<?php

use App\Enums\Gender;
use App\Livewire\Studio\Loyalty\Customer as CustomerComponent;
use App\Models\Customer;
use App\Models\Employee;
use App\Models\Order;
use App\Models\Outlet;
use App\Models\User;
use Database\Seeders\RolePermissionSeeder;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Gate;
use Livewire\Livewire;
use Spatie\Permission\Models\Role;

uses(RefreshDatabase::class);

beforeEach(function () {
    $this->seed(RolePermissionSeeder::class);

    $this->user = User::factory()
        ->active()
        ->has(Employee::factory())
        ->create();

    $this->ownerRole = Role::where('name', 'Owner')->first();

    $this->user->roles()->attach($this->ownerRole->id);
});

function mountCustomerComponent(User $user)
{
    return Livewire::actingAs($user)->test(CustomerComponent::class);
}

/*
|--------------------------------------------------------------------------
| Component Rendering & Mount
|--------------------------------------------------------------------------
*/

it('renders page successfully', function () {
    mountCustomerComponent($this->user)
        ->assertViewIs('livewire.studio.loyalty.customers')
        ->assertViewHas('pageTitle', 'Customer');
});

it('initializes form properties on mount', function () {
    $component = mountCustomerComponent($this->user);

    expect($component->method)->toBe('create');
    expect($component->modalTitle)->toBe('');
    expect($component->form->name)->toBe('');
    expect($component->form->phone_number)->toBeNull();
    expect($component->form->gender)->toBe('');
});

it('loads stats on mount', function () {
    // Create customers without users
    Customer::factory()->count(3)->create(['user_id' => null]);

    // Create customers with users
    $user1 = User::factory()->create();
    $user2 = User::factory()->create();
    Customer::factory()->create(['user_id' => $user1->id]);
    Customer::factory()->create(['user_id' => $user2->id]);

    $component = mountCustomerComponent($this->user);

    expect($component->stats)->toBeArray();
    expect($component->stats)->toHaveCount(3);
    expect($component->stats[0]['title'])->toBe('Total Customer');
    expect($component->stats[1]['title'])->toBe('Total Member');
    expect($component->stats[2]['title'])->toBe('Top Member');
});

it('calculates total customer count correctly', function () {
    Customer::factory()->count(5)->create(['user_id' => null]);
    Customer::factory()->count(3)->create(['user_id' => User::factory()->create()->id]);

    $component = mountCustomerComponent($this->user);

    expect($component->stats[0]['value'])->toBe(5);
});

it('calculates total member count correctly', function () {
    Customer::factory()->count(2)->create(['user_id' => null]);
    $user1 = User::factory()->create();
    $user2 = User::factory()->create();
    Customer::factory()->create(['user_id' => $user1->id]);
    Customer::factory()->create(['user_id' => $user2->id]);

    $component = mountCustomerComponent($this->user);

    expect($component->stats[1]['value'])->toBe(2);
});

it('displays top member name correctly', function () {
    $user1 = User::factory()->create();
    $user2 = User::factory()->create();
    $customer1 = Customer::factory()->create(['user_id' => $user1->id, 'name' => 'Top Customer']);
    $customer2 = Customer::factory()->create(['user_id' => $user2->id, 'name' => 'Regular Customer']);

    // Create more orders for customer1
    $outlet = Outlet::factory()->create();
    Order::factory()->count(5)->create(['customer_id' => $customer1->id, 'user_id' => $user1->id, 'outlet_id' => $outlet->id]);
    Order::factory()->count(2)->create(['customer_id' => $customer2->id, 'user_id' => $user2->id, 'outlet_id' => $outlet->id]);

    $component = mountCustomerComponent($this->user);

    expect($component->stats[2]['value'])->toBe('Top Customer');
});

it('displays null when no members exist', function () {
    Customer::factory()->count(3)->create(['user_id' => null]);

    $component = mountCustomerComponent($this->user);

    expect($component->stats[2]['value'])->toBeNull();
});

it('displays null when members have no orders', function () {
    $user = User::factory()->create();
    Customer::factory()->create(['user_id' => $user->id]);

    $component = mountCustomerComponent($this->user);

    expect($component->stats[2]['value'])->toBeNull();
});

/*
|--------------------------------------------------------------------------
| Modal Management
|--------------------------------------------------------------------------
*/

it('opens modal with create method', function () {
    $component = mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer');

    expect($component->method)->toBe('create');
    expect($component->modalTitle)->toBe('Tambah Customer');
});

it('opens modal with update method', function () {
    $customer = Customer::factory()->create();

    $component = mountCustomerComponent($this->user)
        ->call('openModal', 'update', 'Edit Customer', $customer->hash);

    expect($component->method)->toBe('update');
    expect($component->modalTitle)->toBe('Edit Customer');
});

it('sets form data when opening update modal', function () {
    $customer = Customer::factory()->create([
        'name' => 'John Doe',
        'phone_number' => '0812 3456 7890',
        'gender' => Gender::MALE->value,
    ]);

    $component = mountCustomerComponent($this->user)
        ->call('openModal', 'update', 'Edit Customer', $customer->hash);

    expect($component->form->name)->toBe('John Doe');
    expect($component->form->phone_number)->toBe('0812 3456 7890');
    expect($component->form->gender)->toEqual(Gender::MALE->value);
});

it('resets validation and error bag when opening modal', function () {
    $component = mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', '')
        ->call('create')
        ->assertHasErrors(['form.name']);

    $component->call('openModal', 'create', 'Tambah Customer')
        ->assertHasNoErrors();
});

/*
|--------------------------------------------------------------------------
| Create Customer
|--------------------------------------------------------------------------
*/

it('prevents create when user is unauthorized', function () {
    $this->ownerRole->revokePermissionTo('create customer');

    Gate::define('create customer', fn () => false);

    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', 'John Doe')
        ->set('form.gender', Gender::MALE->value)
        ->call('create')
        ->assertForbidden();
});

it('can create a customer when authorized', function () {
    $data = [
        'name' => 'John Doe',
        'phone_number' => '0812 3456 7890',
        'gender' => Gender::MALE->value,
    ];

    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', $data['name'])
        ->set('form.phone_number', $data['phone_number'])
        ->set('form.gender', $data['gender'])
        ->call('create')
        ->assertHasNoErrors()
        ->assertDispatched('refreshDatatable');

    $this->assertDatabaseHas('customers', [
        'name' => $data['name'],
        'phone_number' => $data['phone_number'],
        'gender' => Gender::MALE->value,
    ]);
});

it('can create a customer without phone number', function () {
    $data = [
        'name' => 'Jane Doe',
        'phone_number' => null,
        'gender' => Gender::FEMALE->value,
    ];

    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', $data['name'])
        ->set('form.phone_number', $data['phone_number'])
        ->set('form.gender', $data['gender'])
        ->call('create')
        ->assertHasNoErrors();

    $this->assertDatabaseHas('customers', [
        'name' => $data['name'],
        'phone_number' => null,
        'gender' => Gender::FEMALE->value,
    ]);
});

it('can create a customer with user_id', function () {
    $user = User::factory()->create();
    $data = [
        'name' => 'Member Customer',
        'gender' => Gender::MALE->value,
    ];

    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', $data['name'])
        ->set('form.gender', $data['gender'])
        ->set('form.user_id', $user->id)
        ->call('create')
        ->assertHasNoErrors();

    $this->assertDatabaseHas('customers', [
        'name' => $data['name'],
        'user_id' => $user->id,
    ]);
});

it('validates required fields when creating customer', function () {
    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->call('create')
        ->assertHasErrors([
            'form.name',
            'form.gender',
        ]);
});

it('validates name field max length when creating customer', function () {
    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', str_repeat('a', 51))
        ->set('form.gender', Gender::MALE->value)
        ->call('create')
        ->assertHasErrors(['form.name']);
});

it('validates gender field is required when creating customer', function () {
    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', 'John Doe')
        ->set('form.gender', '')
        ->call('create')
        ->assertHasErrors(['form.gender']);
});

it('validates gender field is valid enum when creating customer', function () {
    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', 'John Doe')
        ->set('form.gender', 'invalid')
        ->call('create')
        ->assertHasErrors(['form.gender']);
});

it('validates phone number format when creating customer', function () {
    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', 'John Doe')
        ->set('form.phone_number', 'invalid-phone')
        ->set('form.gender', Gender::MALE->value)
        ->call('create')
        ->assertHasErrors(['form.phone_number']);
});

it('accepts valid phone number format when creating customer', function () {
    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', 'John Doe')
        ->set('form.phone_number', '0812 3456 7890')
        ->set('form.gender', Gender::MALE->value)
        ->call('create')
        ->assertHasNoErrors();
});

it('dispatches refreshDatatable event after creating customer', function () {
    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', 'John Doe')
        ->set('form.gender', Gender::MALE->value)
        ->call('create')
        ->assertDispatched('refreshDatatable');
});

/*
|--------------------------------------------------------------------------
| Update Customer
|--------------------------------------------------------------------------
*/

it('prevents update when user is unauthorized', function () {
    $this->ownerRole->revokePermissionTo('update customer');
    Gate::define('update customer', fn () => false);

    $customer = Customer::factory()->create();

    mountCustomerComponent($this->user)
        ->call('openModal', 'update', 'Edit Customer', $customer->hash)
        ->set('form.name', 'Updated Name')
        ->call('update')
        ->assertForbidden();
});

it('can update a customer when authorized', function () {
    $customer = Customer::factory()->create([
        'name' => 'John Doe',
        'phone_number' => '0812 3456 7890',
        'gender' => Gender::MALE,
    ]);

    mountCustomerComponent($this->user)
        ->call('openModal', 'update', 'Edit Customer', $customer->hash)
        ->assertSet('form.name', 'John Doe')
        ->assertSet('form.phone_number', '0812 3456 7890')
        ->assertSet('form.gender', Gender::MALE->value)
        ->set('form.name', 'Jane Doe')
        ->set('form.phone_number', '0812 9999 8888')
        ->set('form.gender', Gender::FEMALE->value)
        ->call('update')
        ->assertHasNoErrors()
        ->assertDispatched('refreshDatatable');

    $customer->refresh();
    expect($customer->name)->toBe('Jane Doe');
    expect($customer->phone_number)->toBe('0812 9999 8888');
    expect($customer->gender)->toBe(Gender::FEMALE);
});

it('can update customer phone number to null', function () {
    $customer = Customer::factory()->create([
        'phone_number' => '0812 3456 7890',
    ]);

    mountCustomerComponent($this->user)
        ->call('openModal', 'update', 'Edit Customer', $customer->hash)
        ->set('form.phone_number', null)
        ->call('update')
        ->assertHasNoErrors();

    $customer->refresh();
    expect($customer->phone_number)->toBeNull();
});

it('validates required fields when updating customer', function () {
    $customer = Customer::factory()->create();

    mountCustomerComponent($this->user)
        ->call('openModal', 'update', 'Edit Customer', $customer->hash)
        ->set('form.name', '')
        ->set('form.gender', '')
        ->call('update')
        ->assertHasErrors([
            'form.name',
            'form.gender',
        ]);
});

it('validates name field max length when updating customer', function () {
    $customer = Customer::factory()->create();

    mountCustomerComponent($this->user)
        ->call('openModal', 'update', 'Edit Customer', $customer->hash)
        ->set('form.name', str_repeat('a', 51))
        ->call('update')
        ->assertHasErrors(['form.name']);
});

it('validates phone number format when updating customer', function () {
    $customer = Customer::factory()->create();

    mountCustomerComponent($this->user)
        ->call('openModal', 'update', 'Edit Customer', $customer->hash)
        ->set('form.phone_number', 'invalid-phone')
        ->call('update')
        ->assertHasErrors(['form.phone_number']);
});

it('dispatches refreshDatatable event after updating customer', function () {
    $customer = Customer::factory()->create();

    mountCustomerComponent($this->user)
        ->call('openModal', 'update', 'Edit Customer', $customer->hash)
        ->set('form.name', 'Updated Name')
        ->call('update')
        ->assertDispatched('refreshDatatable');
});

/*
|--------------------------------------------------------------------------
| Delete Customer
|--------------------------------------------------------------------------
*/

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

    mountCustomerComponent($this->user)
        ->call('delete', $customer)
        ->assertHasNoErrors()
        ->assertDispatched('refreshDatatable');

    expect(Customer::count())->toBe(0);
    $this->assertSoftDeleted('customers', ['id' => $customer->id]);
});

it('soft deletes customer when deleting', function () {
    $customer = Customer::factory()->create();

    mountCustomerComponent($this->user)
        ->call('delete', $customer);

    $customer->refresh();
    expect($customer->trashed())->toBeTrue();
});

it('dispatches refreshDatatable event after deleting customer', function () {
    $customer = Customer::factory()->create();

    mountCustomerComponent($this->user)
        ->call('delete', $customer)
        ->assertDispatched('refreshDatatable');
});

it('can delete customer with orders', function () {
    $outlet = Outlet::factory()->create();
    $user = User::factory()->create();
    $customer = Customer::factory()->create(['user_id' => $user->id]);
    Order::factory()->count(3)->create([
        'customer_id' => $customer->id,
        'user_id' => $user->id,
        'outlet_id' => $outlet->id,
    ]);

    mountCustomerComponent($this->user)
        ->call('delete', $customer);

    expect($customer->trashed())->toBeTrue();
    // Orders should still exist (cascade delete might be configured differently)
    expect(Order::count())->toBe(3);
});

/*
|--------------------------------------------------------------------------
| Stats Recalculation
|--------------------------------------------------------------------------
*/

it('recalculates stats after creating customer', function () {
    $initialStats = mountCustomerComponent($this->user)->stats;
    $initialCustomerCount = $initialStats[0]['value'];

    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', 'New Customer')
        ->set('form.gender', Gender::MALE->value)
        ->call('create');

    $newComponent = mountCustomerComponent($this->user);
    expect($newComponent->stats[0]['value'])->toBe($initialCustomerCount + 1);
});

it('recalculates stats after creating member customer', function () {
    $user = User::factory()->create();

    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', 'New Member')
        ->set('form.gender', Gender::MALE->value)
        ->set('form.user_id', $user->id)
        ->call('create');

    $newComponent = mountCustomerComponent($this->user);
    expect($newComponent->stats[1]['value'])->toBeGreaterThan(0);
});

it('recalculates top member after creating orders', function () {
    $user = User::factory()->create();
    $customer = Customer::factory()->create(['user_id' => $user->id, 'name' => 'Top Member']);
    $outlet = Outlet::factory()->create();

    Order::factory()->count(5)->create([
        'customer_id' => $customer->id,
        'user_id' => $user->id,
        'outlet_id' => $outlet->id,
    ]);

    $component = mountCustomerComponent($this->user);
    expect($component->stats[2]['value'])->toBe('Top Member');
});

/*
|--------------------------------------------------------------------------
| Edge Cases
|--------------------------------------------------------------------------
*/

it('handles customer with very long name at max length', function () {
    $longName = str_repeat('a', 50);

    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', $longName)
        ->set('form.gender', Gender::MALE->value)
        ->call('create')
        ->assertHasNoErrors();

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

it('handles customer with all gender types', function () {
    foreach (Gender::cases() as $gender) {
        mountCustomerComponent($this->user)
            ->call('openModal', 'create', 'Tambah Customer')
            ->set('form.name', "Customer {$gender->name}")
            ->set('form.gender', $gender->value)
            ->call('create')
            ->assertHasNoErrors();
    }

    expect(Customer::where('gender', Gender::MALE->value)->count())->toBeGreaterThan(0);
    expect(Customer::where('gender', Gender::FEMALE->value)->count())->toBeGreaterThan(0);
});

it('handles updating customer with same data', function () {
    $customer = Customer::factory()->create([
        'name' => 'John Doe',
        'phone_number' => '0812 3456 7890',
        'gender' => Gender::MALE,
    ]);

    mountCustomerComponent($this->user)
        ->call('openModal', 'update', 'Edit Customer', $customer->hash)
        ->call('update')
        ->assertHasNoErrors();

    $customer->refresh();
    expect($customer->name)->toBe('John Doe');
});

it('handles customer with special characters in name', function () {
    $specialName = "O'Brien & Co. - Test";

    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', $specialName)
        ->set('form.gender', Gender::MALE->value)
        ->call('create')
        ->assertHasNoErrors();

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

it('handles multiple customers with same phone number', function () {
    $phoneNumber = '0812 3456 7890';

    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', 'Customer 1')
        ->set('form.phone_number', $phoneNumber)
        ->set('form.gender', Gender::MALE->value)
        ->call('create')
        ->assertHasNoErrors();

    mountCustomerComponent($this->user)
        ->call('openModal', 'create', 'Tambah Customer')
        ->set('form.name', 'Customer 2')
        ->set('form.phone_number', $phoneNumber)
        ->set('form.gender', Gender::FEMALE->value)
        ->call('create')
        ->assertHasNoErrors();

    expect(Customer::where('phone_number', $phoneNumber)->count())->toBe(2);
});

it('handles empty stats when no customers exist', function () {
    $component = mountCustomerComponent($this->user);

    expect($component->stats[0]['value'])->toBe(0);
    expect($component->stats[1]['value'])->toBe(0);
    expect($component->stats[2]['value'])->toBeNull();
});

it('handles customer deletion when customer does not exist', function () {
    $customer = Customer::factory()->create();
    $customerId = $customer->id;
    $customer->delete();

    // Try to delete already deleted customer
    $deletedCustomer = Customer::withTrashed()->find($customerId);

    mountCustomerComponent($this->user)
        ->call('delete', $deletedCustomer)
        ->assertHasNoErrors();

    expect(Customer::withTrashed()->find($customerId)->trashed())->toBeTrue();
});