<?php

use App\Models\Category;
use App\Models\Product;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;
use Inertia\Testing\AssertableInertia as Assert;

uses(RefreshDatabase::class);

/*
|--------------------------------------------------------------------------
| AUTHENTICATION
|--------------------------------------------------------------------------
*/

test('guests are redirected to the login page', function () {
    $response = $this->get(route('admin.master.categories.index'));
    $response->assertRedirect(route('login'));
});

test('authenticated users can visit the category index page', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->get(route('admin.master.categories.index'));
    $response->assertOk();
});

/*
|--------------------------------------------------------------------------
| INDEX PAGE
|--------------------------------------------------------------------------
*/

test('category index page displays categories', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    Category::factory()->count(3)->create();

    $response = $this->get(route('admin.master.categories.index'));
    $response->assertOk();
    $response->assertInertia(fn (Assert $page) => $page
        ->component('admin/master/category/index')
        ->has('categories', 3)
    );
});

test('index page works with zero categories', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->get(route('admin.master.categories.index'));
    $response->assertOk();
    $response->assertInertia(fn (Assert $page) => $page
        ->component('admin/master/category/index')
        ->has('categories', 0)
    );
});

test('index page does not display soft-deleted categories', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    Category::factory()->create(['name' => 'Active Category']);
    Category::factory()->create(['name' => 'Deleted Category'])->delete();

    $response = $this->get(route('admin.master.categories.index'));
    $response->assertOk();
    $response->assertInertia(fn (Assert $page) => $page
        ->component('admin/master/category/index')
        ->has('categories', 1)
        ->where('categories.0.name', 'Active Category')
    );
});

test('index page displays correct count after delete', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    Category::factory()->count(5)->create();
    $category = Category::first();

    $this->delete(route('admin.master.categories.destroy', $category));

    $response = $this->get(route('admin.master.categories.index'));
    $response->assertOk();
    $response->assertInertia(fn (Assert $page) => $page
        ->component('admin/master/category/index')
        ->has('categories', 4)
    );
});

/*
|--------------------------------------------------------------------------
| CREATE / STORE
|--------------------------------------------------------------------------
*/

test('category can be created', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'Kategori Test',
    ]);

    $response
        ->assertSessionHasNoErrors()
        ->assertRedirect(route('admin.master.categories.index'));

    $this->assertDatabaseHas('categories', [
        'name' => 'Kategori Test',
        'slug' => 'kategori-test',
    ]);
});

test('category slug is automatically generated from name', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Kategori Otomatis',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Kategori Otomatis',
        'slug' => 'kategori-otomatis',
    ]);
});

test('category name is required', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => '',
    ]);

    $response->assertSessionHasErrors('name');
});

test('category name must be string', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 12345,
    ]);

    $response->assertSessionHasErrors('name');
});

test('category name must not exceed 100 characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => str_repeat('a', 101),
    ]);

    $response->assertSessionHasErrors('name');
});

test('category name exactly 100 characters passes validation', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => str_repeat('a', 100),
    ]);

    $response->assertSessionHasNoErrors();
});

test('category name exactly 1 character passes validation', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'A',
    ]);

    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => 'A',
        'slug' => 'a',
    ]);
});

test('category name must be unique', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    Category::factory()->create(['name' => 'Existing Category']);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'Existing Category',
    ]);

    $response->assertSessionHasErrors('name');
});

test('category name uniqueness is case sensitive', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    Category::factory()->create(['name' => 'Makanan']);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'Makanan',
    ]);

    $response->assertSessionHasErrors('name');
});

test('category name with only whitespace is rejected', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => '   ',
    ]);

    $response->assertSessionHasErrors('name');
});

test('category name with special characters is accepted', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'Makanan & Minuman!',
    ]);

    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => 'Makanan & Minuman!',
        'slug' => 'makanan-minuman',
    ]);
});

test('category name with HTML tags is accepted as plain text', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => '<script>alert("xss")</script>',
    ]);

    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => '<script>alert("xss")</script>',
    ]);
});

test('category name with numbers is accepted', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'Kategori 123',
    ]);

    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => 'Kategori 123',
        'slug' => 'kategori-123',
    ]);
});

test('category name with only numbers is accepted', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => '12345',
    ]);

    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => '12345',
        'slug' => '12345',
    ]);
});

test('category name with only punctuation is accepted', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => '---',
    ]);

    $response->assertSessionHasNoErrors();
});

test('category name with parentheses and brackets is accepted', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'Kategori (A) [VIP]',
    ]);

    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => 'Kategori (A) [VIP]',
        'slug' => 'kategori-a-vip',
    ]);
});

test('category name with unicode characters is accepted', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'Kategori Nono',
    ]);

    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => 'Kategori Nono',
    ]);
});

test('category name with mixed case is stored as entered', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'makanAN MinUMAN',
    ]);

    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => 'makanAN MinUMAN',
        'slug' => 'makanan-minuman',
    ]);
});

test('category name with multiple spaces generates correct slug', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'Kategori   dengan   spasi   banyak',
    ]);

    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => 'Kategori   dengan   spasi   banyak',
        'slug' => 'kategori-dengan-spasi-banyak',
    ]);
});

test('category name with leading and trailing spaces is accepted', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => '  Kategori Spasi  ',
    ]);

    $response->assertSessionHasNoErrors();
});

test('category name with newline characters is accepted', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => "Kategori\nBaru",
    ]);

    $response->assertSessionHasNoErrors();
});

test('category can be created with name at exact DB column limit (50 chars)', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $name = str_repeat('a', 50);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => $name,
    ]);

    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => $name,
    ]);
});

test('store flashes success toast via Inertia', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'Kategori Toast',
    ]);

    $response->assertRedirect();
});

test('store creates new category in database', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Database Check',
    ]);

    $this->assertDatabaseCount('categories', 1);
    $this->assertDatabaseHas('categories', [
        'name' => 'Database Check',
        'slug' => 'database-check',
    ]);
});

test('multiple categories can be created sequentially', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'Kategori 1']);
    $this->post(route('admin.master.categories.store'), ['name' => 'Kategori 2']);
    $this->post(route('admin.master.categories.store'), ['name' => 'Kategori 3']);

    $this->assertDatabaseCount('categories', 3);

    $this->assertDatabaseHas('categories', ['name' => 'Kategori 1', 'slug' => 'kategori-1']);
    $this->assertDatabaseHas('categories', ['name' => 'Kategori 2', 'slug' => 'kategori-2']);
    $this->assertDatabaseHas('categories', ['name' => 'Kategori 3', 'slug' => 'kategori-3']);
});

/*
|--------------------------------------------------------------------------
| UPDATE / PUT
|--------------------------------------------------------------------------
*/

test('category can be updated', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => 'Kategori Updated',
    ]);

    $response
        ->assertSessionHasNoErrors()
        ->assertRedirect(route('admin.master.categories.index'));

    $category->refresh();
    expect($category->name)->toBe('Kategori Updated');
    expect($category->slug)->toBe('kategori-updated');
});

test('category name can be updated to itself', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create(['name' => 'My Category']);

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => 'My Category',
    ]);

    $response->assertSessionHasNoErrors();
});

test('category update name must be unique excluding itself', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create(['name' => 'First']);
    Category::factory()->create(['name' => 'Second']);

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => 'Second',
    ]);

    $response->assertSessionHasErrors('name');
});

test('category update name is required', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => '',
    ]);

    $response->assertSessionHasErrors('name');
});

test('category update name must not exceed 100 characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => str_repeat('a', 101),
    ]);

    $response->assertSessionHasErrors('name');
});

test('category update with special characters generates correct slug', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create(['name' => 'Old Name']);

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => 'New Name (Updated) & More!',
    ]);

    $response->assertSessionHasNoErrors();

    $category->refresh();
    expect($category->slug)->toBe('new-name-updated-more');
});

test('category update changes the slug to match new name', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create(['name' => 'Original', 'slug' => 'original']);

    $this->put(route('admin.master.categories.update', $category), [
        'name' => 'Modified',
    ]);

    $category->refresh();
    expect($category->slug)->toBe('modified');
});

test('category can be updated multiple times', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create(['name' => 'Version 1']);

    $this->put(route('admin.master.categories.update', $category), ['name' => 'Version 2']);
    $category->refresh();
    expect($category->name)->toBe('Version 2');

    $this->put(route('admin.master.categories.update', $category), ['name' => 'Version 3']);
    $category->refresh();
    expect($category->name)->toBe('Version 3');
});

test('update flashes success toast via Inertia', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => 'Updated Name',
    ]);

    $response->assertRedirect();
});

test('category update with only whitespace is rejected', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => '   ',
    ]);

    $response->assertSessionHasErrors('name');
});

test('category can be updated with unicode characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create(['name' => 'Original']);

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => 'Kategori Nono',
    ]);

    $response->assertSessionHasNoErrors();

    $category->refresh();
    expect($category->name)->toBe('Kategori Nono');
});

test('updating non-existent category returns 404', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->put(route('admin.master.categories.update', 999999), [
        'name' => 'Ghost Category',
    ]);

    $response->assertStatus(404);
});

/*
|--------------------------------------------------------------------------
| DELETE / DESTROY
|--------------------------------------------------------------------------
*/

test('category can be deleted', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();

    $response = $this->delete(route('admin.master.categories.destroy', $category));

    $response
        ->assertSessionHasNoErrors()
        ->assertRedirect(route('admin.master.categories.index'));

    $this->assertSoftDeleted('categories', ['id' => $category->id]);
});

test('category is soft-deleted not permanently removed', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();

    $this->delete(route('admin.master.categories.destroy', $category));

    $this->assertDatabaseHas('categories', ['id' => $category->id]);
    $this->assertSoftDeleted('categories', ['id' => $category->id]);
});

test('soft-deleted category still exists in database', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();

    $this->delete(route('admin.master.categories.destroy', $category));

    $this->assertDatabaseHas('categories', ['id' => $category->id]);
});

test('soft-deleted category has deleted_at timestamp', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();

    $this->delete(route('admin.master.categories.destroy', $category));

    $category->refresh();
    expect($category->deleted_at)->not->toBeNull();
});

test('deleted category is excluded from getAll query', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    Category::factory()->create(['name' => 'Active']);
    $deleted = Category::factory()->create(['name' => 'Deleted']);
    $deleted->delete();

    $response = $this->get(route('admin.master.categories.index'));
    $response->assertOk();
    $response->assertInertia(fn (Assert $page) => $page
        ->component('admin/master/category/index')
        ->has('categories', 1)
        ->where('categories.0.name', 'Active')
    );
});

test('delete flashes success toast via Inertia', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();

    $response = $this->delete(route('admin.master.categories.destroy', $category));

    $response->assertRedirect();
});

test('multiple categories can be deleted one by one', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $categories = Category::factory()->count(3)->create();

    $this->delete(route('admin.master.categories.destroy', $categories[0]));
    $this->delete(route('admin.master.categories.destroy', $categories[1]));

    $this->assertSoftDeleted('categories', ['id' => $categories[0]->id]);
    $this->assertSoftDeleted('categories', ['id' => $categories[1]->id]);
    $this->assertDatabaseHas('categories', ['id' => $categories[2]->id, 'deleted_at' => null]);
});

test('updating soft-deleted category via route returns 404', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();
    $category->delete();

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => 'Should Not Work',
    ]);

    $response->assertStatus(404);
});

test('deleting soft-deleted category via route returns 404', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();
    $category->delete();

    $response = $this->delete(route('admin.master.categories.destroy', $category));

    $response->assertStatus(404);
});

test('deleting non-existent category returns 404', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->delete(route('admin.master.categories.destroy', 999999));

    $response->assertStatus(404);
});

/*
|--------------------------------------------------------------------------
| CATEGORY - PRODUCT RELATIONSHIP
|--------------------------------------------------------------------------
*/

test('category with products can be deleted without deleting products', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();
    $product = Product::factory()->create();
    DB::table('product_categories')->insert([
        'product_id' => $product->id,
        'category_id' => $category->id,
    ]);

    $this->delete(route('admin.master.categories.destroy', $category));

    $this->assertSoftDeleted('categories', ['id' => $category->id]);
    $this->assertDatabaseHas('products', ['id' => $product->id, 'deleted_at' => null]);
});

test('category-product pivot record remains after soft delete', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();
    $product = Product::factory()->create();
    DB::table('product_categories')->insert([
        'product_id' => $product->id,
        'category_id' => $category->id,
    ]);

    $this->assertDatabaseHas('product_categories', [
        'category_id' => $category->id,
        'product_id' => $product->id,
    ]);

    $this->delete(route('admin.master.categories.destroy', $category));

    // Soft delete doesn't trigger cascade delete, so pivot record remains
    $this->assertDatabaseHas('product_categories', [
        'category_id' => $category->id,
        'product_id' => $product->id,
    ]);
});

test('index page works correctly with categories that have products', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();
    $products = Product::factory()->count(3)->create();
    foreach ($products as $product) {
        DB::table('product_categories')->insert([
            'product_id' => $product->id,
            'category_id' => $category->id,
        ]);
    }

    $response = $this->get(route('admin.master.categories.index'));
    $response->assertOk();
    $response->assertInertia(fn (Assert $page) => $page
        ->component('admin/master/category/index')
        ->has('categories', 1)
    );
});

test('category with many products can be deleted', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();
    $products = Product::factory()->count(10)->create();
    foreach ($products as $product) {
        DB::table('product_categories')->insert([
            'product_id' => $product->id,
            'category_id' => $category->id,
        ]);
    }

    $this->delete(route('admin.master.categories.destroy', $category));

    $this->assertSoftDeleted('categories', ['id' => $category->id]);
    $this->assertDatabaseCount('products', 10);
});

test('deleting category does not affect other categories products belong to', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category1 = Category::factory()->create();
    $category2 = Category::factory()->create();
    $product = Product::factory()->create();
    DB::table('product_categories')->insert([
        ['product_id' => $product->id, 'category_id' => $category1->id],
        ['product_id' => $product->id, 'category_id' => $category2->id],
    ]);

    $this->delete(route('admin.master.categories.destroy', $category1));

    $this->assertSoftDeleted('categories', ['id' => $category1->id]);
    $this->assertDatabaseHas('categories', ['id' => $category2->id, 'deleted_at' => null]);
    $this->assertDatabaseHas('product_categories', [
        'product_id' => $product->id,
        'category_id' => $category2->id,
    ]);
});

/*
|--------------------------------------------------------------------------
| SLUG EDGE CASES
|--------------------------------------------------------------------------
*/

test('slug is generated correctly from name with ampersand', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Food & Beverage',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Food & Beverage',
        'slug' => Str::slug('Food & Beverage'),
    ]);
});

test('slug is generated correctly from name with dots', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Mr. Category',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Mr. Category',
        'slug' => Str::slug('Mr. Category'),
    ]);
});

test('slug is generated correctly from name with slashes', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Food/Drink',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Food/Drink',
        'slug' => Str::slug('Food/Drink'),
    ]);
});

test('slug is generated correctly from name with commas', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Makanan, Minuman',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Makanan, Minuman',
        'slug' => Str::slug('Makanan, Minuman'),
    ]);
});

test('slug is generated correctly from name with single quotes', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => "It's Category",
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => "It's Category",
        'slug' => Str::slug("It's Category"),
    ]);
});

test('slug is generated correctly from name with double quotes', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => '"Premium" Category',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => '"Premium" Category',
        'slug' => Str::slug('"Premium" Category'),
    ]);
});

test('slug is generated correctly from name with exclamation mark', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Hot Sale!',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Hot Sale!',
        'slug' => Str::slug('Hot Sale!'),
    ]);
});

test('slug is generated correctly from name with question mark', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Best Choice?',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Best Choice?',
        'slug' => Str::slug('Best Choice?'),
    ]);
});

test('slug is generated correctly from all-caps name', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'ELECTRONICS',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'ELECTRONICS',
        'slug' => Str::slug('ELECTRONICS'),
    ]);
});

test('slug is generated correctly from name with numbers and letters mixed', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'iPhone 15 Pro',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'iPhone 15 Pro',
        'slug' => Str::slug('iPhone 15 Pro'),
    ]);
});

test('slug is generated correctly from name with dash', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Food-Grade',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Food-Grade',
        'slug' => Str::slug('Food-Grade'),
    ]);
});

test('slug is generated correctly from name with underscore', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Food_Grade',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Food_Grade',
        'slug' => Str::slug('Food_Grade'),
    ]);
});

test('slug is generated correctly from name with at symbol', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Category@Home',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Category@Home',
        'slug' => Str::slug('Category@Home'),
    ]);
});

test('slug is generated correctly from name with hash symbol', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Category#1',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Category#1',
        'slug' => Str::slug('Category#1'),
    ]);
});

test('slug is generated correctly from name with currency symbol', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Rp 50.000',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'Rp 50.000',
        'slug' => Str::slug('Rp 50.000'),
    ]);
});

test('slug is generated correctly from name with pipe symbol', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'A|B',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'A|B',
        'slug' => Str::slug('A|B'),
    ]);
});

test('slug is generated correctly from name with mixed special chars', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'A & B (v2.0)!',
    ]);

    $this->assertDatabaseHas('categories', [
        'name' => 'A & B (v2.0)!',
        'slug' => Str::slug('A & B (v2.0)!'),
    ]);
});

test('slug does not change when category is updated with same name', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create(['name' => 'Same Name', 'slug' => 'same-name']);
    $originalSlug = $category->slug;

    $this->put(route('admin.master.categories.update', $category), [
        'name' => 'Same Name',
    ]);

    $category->refresh();
    expect($category->slug)->toBe($originalSlug);
});

test('slug changes when category name changes', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create(['name' => 'Old Name', 'slug' => 'old-name']);

    $this->put(route('admin.master.categories.update', $category), [
        'name' => 'New Name',
    ]);

    $category->refresh();
    expect($category->slug)->toBe('new-name');
    expect($category->slug)->not->toBe('old-name');
});

/*
|--------------------------------------------------------------------------
| AUTHORIZATION - GUEST CANNOT PERFORM ACTIONS
|--------------------------------------------------------------------------
*/

test('guest cannot create category', function () {
    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'Unauthorized',
    ]);

    $response->assertRedirect(route('login'));
    $this->assertDatabaseMissing('categories', ['name' => 'Unauthorized']);
});

test('guest cannot update category', function () {
    $category = Category::factory()->create();

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => 'Unauthorized Update',
    ]);

    $response->assertRedirect(route('login'));
});

test('guest cannot delete category', function () {
    $category = Category::factory()->create();

    $response = $this->delete(route('admin.master.categories.destroy', $category));

    $response->assertRedirect(route('login'));
    $this->assertDatabaseHas('categories', ['id' => $category->id, 'deleted_at' => null]);
});

/*
|--------------------------------------------------------------------------
| DATA INTEGRITY
|--------------------------------------------------------------------------
*/

test('created category has correct timestamps', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), [
        'name' => 'Timestamp Test',
    ]);

    $category = Category::where('name', 'Timestamp Test')->first();
    expect($category->created_at)->not->toBeNull();
    expect($category->updated_at)->not->toBeNull();
});

test('updated category has updated timestamp changed', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();
    $originalUpdatedAt = $category->updated_at;

    sleep(1);

    $this->put(route('admin.master.categories.update', $category), [
        'name' => 'Timestamp Changed',
    ]);

    $category->refresh();
    expect($category->updated_at->gt($originalUpdatedAt))->toBeTrue();
});

test('category ID is auto-incremented', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'First']);
    $first = Category::where('name', 'First')->first();

    $this->post(route('admin.master.categories.store'), ['name' => 'Second']);
    $second = Category::where('name', 'Second')->first();

    expect($second->id)->toBe($first->id + 1);
});

test('category factory creates valid category', function () {
    $category = Category::factory()->create();

    expect($category->name)->not->toBeEmpty();
    expect($category->slug)->not->toBeEmpty();
    expect($category->id)->toBeInt();
});

test('category factory creates unique names', function () {
    $categories = Category::factory()->count(20)->create();

    $names = $categories->pluck('name')->toArray();
    expect($names)->toHaveCount(count(array_unique($names)));
});

/*
|--------------------------------------------------------------------------
| SOFT DELETE & RESTORE
|--------------------------------------------------------------------------
*/

test('category can be restored after soft delete', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create(['name' => 'Restored Category']);
    $category->delete();

    $this->assertSoftDeleted('categories', ['id' => $category->id]);

    $category->restore();

    $this->assertDatabaseHas('categories', ['id' => $category->id, 'deleted_at' => null]);
});

test('restored category appears in index again', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create(['name' => 'Restored Category']);
    $category->delete();

    $response = $this->get(route('admin.master.categories.index'));
    $response->assertInertia(fn (Assert $page) => $page
        ->component('admin/master/category/index')
        ->has('categories', 0)
    );

    $category->restore();

    $response = $this->get(route('admin.master.categories.index'));
    $response->assertInertia(fn (Assert $page) => $page
        ->component('admin/master/category/index')
        ->has('categories', 1)
        ->where('categories.0.name', 'Restored Category')
    );
});

test('restored category can be updated', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create(['name' => 'Before Restore']);
    $category->delete();
    $category->restore();

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => 'After Restore',
    ]);

    $response->assertSessionHasNoErrors();

    $category->refresh();
    expect($category->name)->toBe('After Restore');
});

/*
|--------------------------------------------------------------------------
| REALISTIC USER SCENARIOS
|--------------------------------------------------------------------------
*/

test('user creates category then immediately edits it', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'Draft Category']);
    $category = Category::where('name', 'Draft Category')->first();

    $this->put(route('admin.master.categories.update', $category), ['name' => 'Final Category']);

    $category->refresh();
    expect($category->name)->toBe('Final Category');
    expect($category->slug)->toBe('final-category');
});

test('user creates multiple categories and deletes one', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'Keep']);
    $this->post(route('admin.master.categories.store'), ['name' => 'Delete Me']);
    $this->post(route('admin.master.categories.store'), ['name' => 'Also Keep']);

    $toDelete = Category::where('name', 'Delete Me')->first();
    $this->delete(route('admin.master.categories.destroy', $toDelete));

    $response = $this->get(route('admin.master.categories.index'));
    $response->assertOk();
    $response->assertInertia(fn (Assert $page) => $page
        ->component('admin/master/category/index')
        ->has('categories', 2)
    );
});

test('user renames category to match another existing category name', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    Category::factory()->create(['name' => 'Target Name']);
    $category = Category::factory()->create(['name' => 'Source Name']);

    $response = $this->put(route('admin.master.categories.update', $category), [
        'name' => 'Target Name',
    ]);

    $response->assertSessionHasErrors('name');
});

test('user creates category with Indonesian characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), [
        'name' => 'Makanan Khas Jawa',
    ]);

    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => 'Makanan Khas Jawa',
        'slug' => 'makanan-khas-jawa',
    ]);
});

test('user tries to create category without submitting any data', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), []);

    $response->assertSessionHasErrors('name');
});

test('user tries to update category without submitting any data', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $category = Category::factory()->create();

    $response = $this->put(route('admin.master.categories.update', $category), []);

    $response->assertSessionHasErrors('name');
});

test('user rapidly submits same category creation twice', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'Rapid Submit']);
    $response = $this->post(route('admin.master.categories.store'), ['name' => 'Rapid Submit']);

    $response->assertSessionHasErrors('name');
    $this->assertDatabaseCount('categories', 1);
});

test('user creates category with name containing chinese characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => '电子产品']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing japanese characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'カテゴリ']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing korean characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => '카테고리']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing arabic characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'الفئة']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing cyrillic characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'Электроника']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing thai characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'หมวดหมู่']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing hindi characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'श्रेणी']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing greek characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'Κατηγορία']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing vietnamese characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'Danh Mục']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing mixed unicode scripts', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'Food 电子产品']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing email-like pattern', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'user@example.com']);

    $this->assertDatabaseHas('categories', [
        'name' => 'user@example.com',
        'slug' => Str::slug('user@example.com'),
    ]);
});

test('user creates category with name containing URL-like pattern', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'https://example.com']);

    $this->assertDatabaseHas('categories', [
        'name' => 'https://example.com',
        'slug' => Str::slug('https://example.com'),
    ]);
});

test('user creates category with name containing date-like pattern', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => '2024-01-15']);

    $this->assertDatabaseHas('categories', [
        'name' => '2024-01-15',
        'slug' => '2024-01-15',
    ]);
});

test('user creates category with name containing emoji', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => '🔥 Hot Category']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with very short name', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'X']);
    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => 'X',
        'slug' => 'x',
    ]);
});

test('user creates category with name containing multiple dashes', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'A--B']);

    $this->assertDatabaseHas('categories', [
        'name' => 'A--B',
        'slug' => Str::slug('A--B'),
    ]);
});

test('user creates category with name containing mixed case and numbers', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'iPhone15ProMax']);

    $this->assertDatabaseHas('categories', [
        'name' => 'iPhone15ProMax',
        'slug' => Str::slug('iPhone15ProMax'),
    ]);
});

test('user creates category with name containing only spaces and numbers', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => '  123  ']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing very long single word', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $name = str_repeat('a', 50);

    $response = $this->post(route('admin.master.categories.store'), ['name' => $name]);
    $response->assertSessionHasNoErrors();

    $this->assertDatabaseHas('categories', [
        'name' => $name,
        'slug' => $name,
    ]);
});

test('user creates category then creates another with similar name', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'Makanan']);
    $this->post(route('admin.master.categories.store'), ['name' => 'Minuman']);

    $this->assertDatabaseCount('categories', 2);
    $this->assertDatabaseHas('categories', ['name' => 'Makanan', 'slug' => 'makanan']);
    $this->assertDatabaseHas('categories', ['name' => 'Minuman', 'slug' => 'minuman']);
});

test('user creates category with name containing curly braces', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => '{code}']);

    $this->assertDatabaseHas('categories', [
        'name' => '{code}',
        'slug' => Str::slug('{code}'),
    ]);
});

test('user creates category with name containing angle brackets', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => '<html>']);

    $this->assertDatabaseHas('categories', [
        'name' => '<html>',
        'slug' => Str::slug('<html>'),
    ]);
});

test('user creates category with name containing semicolon', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'A;B']);

    $this->assertDatabaseHas('categories', [
        'name' => 'A;B',
        'slug' => Str::slug('A;B'),
    ]);
});

test('user creates category with name containing colon', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'Time: Now']);

    $this->assertDatabaseHas('categories', [
        'name' => 'Time: Now',
        'slug' => Str::slug('Time: Now'),
    ]);
});

test('user creates category with name containing backtick', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => '`Code`']);

    $this->assertDatabaseHas('categories', [
        'name' => '`Code`',
        'slug' => Str::slug('`Code`'),
    ]);
});

test('user creates category with name containing tilde', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'Caf~']);

    $this->assertDatabaseHas('categories', [
        'name' => 'Caf~',
        'slug' => Str::slug('Caf~'),
    ]);
});

test('user creates category with name containing caret', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'A^B']);

    $this->assertDatabaseHas('categories', [
        'name' => 'A^B',
        'slug' => Str::slug('A^B'),
    ]);
});

test('user creates category with name containing percentage', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => '100% Natural']);

    $this->assertDatabaseHas('categories', [
        'name' => '100% Natural',
        'slug' => Str::slug('100% Natural'),
    ]);
});

test('user creates category with name containing regex special characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => '.*+?^${}()|[]\\']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing fullwidth characters', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'ＡＢＣＤＥ']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing fullwidth brackets', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => '（）【】']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing hiragana', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'あいうえお']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing katakana', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'アイウエオ']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing hangul', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => '가나다라마']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing hebrew', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'אבגדהו']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing bengali', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'অআইঈউ']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing tamil', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'அஆஇஈஉ']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing superscript', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => 'E=mc2']);
    $response->assertSessionHasNoErrors();
});

test('user creates category with name containing only newlines', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => "\n\n\n"]);
    $response->assertSessionHasErrors('name');
});

test('user creates category with name containing only tabs', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => "\t\t\t"]);
    $response->assertSessionHasErrors('name');
});

test('user creates category with name containing mixed whitespace and visible chars', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $response = $this->post(route('admin.master.categories.store'), ['name' => " \t Hello \n World "]);
    $response->assertSessionHasNoErrors();

    $category = DB::table('categories')->first();
    expect($category->name)->not->toBeEmpty();
});

test('user creates category with name containing plus sign', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'A+B']);

    $this->assertDatabaseHas('categories', [
        'name' => 'A+B',
        'slug' => Str::slug('A+B'),
    ]);
});

test('user creates category with name containing equals sign', function () {
    $user = User::factory()->create();
    $this->actingAs($user);

    $this->post(route('admin.master.categories.store'), ['name' => 'A=B']);

    $this->assertDatabaseHas('categories', [
        'name' => 'A=B',
        'slug' => Str::slug('A=B'),
    ]);
});