<?php

use App\Models\Category;
use App\Models\Product;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;

use function Pest\Laravel\actingAs;
use function Pest\Laravel\assertDatabaseHas;
use function Pest\Laravel\assertSoftDeleted;
use function Pest\Laravel\deleteJson;
use function Pest\Laravel\get;
use function Pest\Laravel\patch;
use function Pest\Laravel\patchJson;
use function Pest\Laravel\postJson;

/*
|--------------------------------------------------------------------------
| Product Module Tests
|--------------------------------------------------------------------------
*/

describe('Product Module - Authorization', function () {
    it('redirects to login when accessing product index unauthenticated', function () {
        get(route('product.index'))
            ->assertRedirect(route('login'));
    });

    it('returns 403 when user has no permission to view products', function () {
        actingAs(createUnauthorizedUser())
            ->get(route('product.index'))
            ->assertStatus(403);
    });
});

describe('Product Module - Authorized Actions', function () {
    beforeEach(function () {
        $user = createAuthorizedUser([
            'View:Product',
            'Create:Product',
            'Edit:Product',
            'Delete:Product',
            'DeleteAny:Product',
            'ToggleStatus:Product',
        ]);
        actingAs($user);
    });

    it('can access product index page', function () {
        get(route('product.index'))
            ->assertOk()
            ->assertInertia(fn ($page) => $page
                ->component('admin/master/product/index')
                ->has('products', fn ($page) => $page
                    ->has('data')
                    ->etc()
                )
                ->has('categories')
            );
    });

    it('can access product create page', function () {
        get(route('product.create'))
            ->assertOk()
            ->assertInertia(fn ($page) => $page
                ->component('admin/master/product/create')
                ->has('categories')
            );
    });

    it('can store a new product', function () {
        Storage::fake('public');
        $categories = Category::factory()->count(2)->create(['is_active' => true]);

        $data = [
            'name' => 'New Awesome Product',
            'description' => 'Product description',
            'category_ids' => $categories->pluck('id')->toArray(),
            'prices' => [
                'purchase' => 10000,
                'distributor' => 11000,
                'agent' => 12000,
                'reseller' => 13000,
                'retail' => 15000,
            ],
            'stock' => 10,
            'thumbnail' => UploadedFile::fake()->image('thumbnail.jpg'),
        ];

        postJson(route('product.store'), $data)
            ->assertRedirect(route('product.index'))
            ->assertSessionHas('success');

        assertDatabaseHas('products', [
            'name' => 'New Awesome Product',
            'description' => 'Product description',
        ]);

        $product = Product::where('name', 'New Awesome Product')->first();

        // Check categories
        expect($product->categories)->toHaveCount(2);

        // Check prices
        foreach ($data['prices'] as $type => $price) {
            assertDatabaseHas('product_prices', [
                'product_id' => $product->id,
                'price_type' => $type,
                'price' => $price,
            ]);
        }
    });

    it('validates product creation', function () {
        postJson(route('product.store'), [])
            ->assertStatus(422)
            ->assertJsonValidationErrors(['name', 'category_ids', 'prices', 'stock']);
    });

    it('can access product edit page', function () {
        $product = Product::factory()->create();

        get(route('product.edit', $product))
            ->assertOk()
            ->assertInertia(fn ($page) => $page
                ->component('admin/master/product/edit')
                ->has('product')
                ->has('categories')
            );
    });

    it('can update a product', function () {
        $product = Product::factory()->create(['name' => 'Old Product Name']);
        $categories = Category::factory()->count(1)->create(['is_active' => true]);

        $newData = [
            'name' => 'Updated Product Name',
            'description' => 'Updated description',
            'category_ids' => $categories->pluck('id')->toArray(),
            'prices' => [
                'purchase' => 20000,
                'distributor' => 21000,
                'agent' => 22000,
                'reseller' => 23000,
                'retail' => 25000,
            ],
            'stock' => 50,
        ];

        patchJson(route('product.update', $product), $newData)
            ->assertRedirect(route('product.index'))
            ->assertSessionHas('success');

        assertDatabaseHas('products', [
            'id' => $product->id,
            'name' => 'Updated Product Name',
            'stock' => 50,
        ]);
    });

    it('can delete a product', function () {
        $product = Product::factory()->create();

        deleteJson(route('product.destroy', $product))
            ->assertRedirect()
            ->assertSessionHas('success');

        assertSoftDeleted('products', ['id' => $product->id]);
    });

    it('can delete products in bulk', function () {
        $products = Product::factory()->count(3)->create();
        $ids = $products->pluck('id')->toArray();

        deleteJson(route('product.bulkDestroy'), ['ids' => $ids])
            ->assertRedirect()
            ->assertSessionHas('success');

        foreach ($ids as $id) {
            assertSoftDeleted('products', ['id' => $id]);
        }
    });

    it('can toggle product status', function () {
        $product = Product::factory()->create(['is_active' => true]);

        patchJson(route('product.toggleStatus', $product))
            ->assertRedirect()
            ->assertSessionHas('success');

        expect($product->fresh()->is_active)->toBeFalse();

        patchJson(route('product.toggleStatus', $product))
            ->assertRedirect();

        expect($product->fresh()->is_active)->toBeTrue();
    });

    it('can manage product images', function () {
        Storage::fake('public');
        $product = Product::factory()->create();
        $categories = Category::factory()->count(1)->create(['is_active' => true]);

        // 1. Upload multiple images
        $images = [
            UploadedFile::fake()->image('image1.jpg'),
            UploadedFile::fake()->image('image2.jpg'),
        ];

        $data = [
            'name' => $product->name,
            'description' => 'Some description',
            'category_ids' => $categories->pluck('id')->toArray(),
            'prices' => [
                'purchase' => 10000,
                'distributor' => 11000,
                'agent' => 12000,
                'reseller' => 13000,
                'retail' => 15000,
            ],
            'images' => $images,
        ];

        patch(route('product.update', $product), $data)
            ->assertRedirect()
            ->assertSessionHas('success');

        $product->refresh();
        expect($product->getMedia('images'))->toHaveCount(2);

        // 2. Delete one image
        $mediaIdToDelete = $product->getMedia('images')->first()->id;

        $deleteData = array_merge($data, [
            'delete_image_ids' => [$mediaIdToDelete],
            'images' => [], // Don't upload new ones
        ]);

        patch(route('product.update', $product), $deleteData)
            ->assertRedirect()
            ->assertSessionHas('success');

        $product->refresh();
        expect($product->getMedia('images'))->toHaveCount(1);
        expect($product->getMedia('images')->first()->id)->not->toBe($mediaIdToDelete);
    });
});

describe('Product Module - Unauthorized Actions', function () {
    beforeEach(function () {
        actingAs(createUnauthorizedUser());
    });

    it('cannot store a product without permission', function () {
        postJson(route('product.store'), ['name' => 'Unauthorized'])
            ->assertStatus(403);
    });

    it('cannot update a product without permission', function () {
        $product = Product::factory()->create();
        patchJson(route('product.update', $product), ['name' => 'Unauthorized'])
            ->assertStatus(403);
    });

    it('cannot delete a product without permission', function () {
        $product = Product::factory()->create();
        deleteJson(route('product.destroy', $product))
            ->assertStatus(403);
    });

    it('cannot toggle product status without permission', function () {
        $product = Product::factory()->create();
        patchJson(route('product.toggleStatus', $product))
            ->assertStatus(403);
    });
});