<?php

namespace Tests\Feature\Integration;

use Tests\TestCase;
use App\Modules\Core\Models\Tenant;
use App\Modules\Core\Models\User;
use App\Modules\Inventory\Models\Product;
use App\Modules\Inventory\Models\Category;
use App\Modules\Inventory\Models\Unit;
use Illuminate\Support\Facades\Artisan;
use Illuminate\Support\Facades\DB;
use Stancl\Tenancy\Facades\Tenancy;
use Illuminate\Support\Str;

class ProductSearchApiTest extends TestCase
{
    protected $tenant;
    protected $user;
    protected $domain;

    protected function setUp(): void
    {
        parent::setUp();
        
        Artisan::call('migrate:fresh');
        
        $this->domain = 'search-test-' . Str::random(8) . '.erp.local';
        $tenantId = 'test_tenant_s_' . Str::random(8);

        tenancy()->central(function () use ($tenantId) {
            $this->tenant = Tenant::create([
                'id' => $tenantId,
                'name' => 'Search Test Tenant',
            ]);
            $this->tenant->domains()->create(['domain' => $this->domain]);
        });

        tenancy()->initialize($this->tenant);
        Artisan::call('tenants:migrate');

        $this->user = User::factory()->create(['name' => 'Search Admin']);
        
        // 建立測試資料
        $cat1 = Category::firstOrCreate(['name' => '飲品'], ['code' => 'CAT-DRINK']);
        $cat2 = Category::firstOrCreate(['name' => '食品'], ['code' => 'CAT-FOOD']);
        $unit = Unit::firstOrCreate(['name' => '瓶'], ['code' => 'BO']);

        Product::create([
            'name' => '可口可樂',
            'code' => 'COKE-001',
            'barcode' => '4710001',
            'price' => 25,
            'category_id' => $cat1->id,
            'base_unit_id' => $unit->id,
            'is_active' => true,
        ]);

        $pepsi = Product::create([
            'name' => '百事可樂',
            'code' => 'PEPSI-001',
            'barcode' => '4710002',
            'price' => 23,
            'category_id' => $cat1->id,
            'base_unit_id' => $unit->id,
            'is_active' => true,
        ]);
        DB::table('products')->where('id', $pepsi->id)->update(['updated_at' => now()->subDay()]);

        Product::create([
            'name' => '漢堡',
            'code' => 'BURGER-001',
            'barcode' => '4710003',
            'price' => 50,
            'category_id' => $cat2->id,
            'base_unit_id' => $unit->id,
            'is_active' => true,
        ]);

        Product::create([
            'name' => '停用商品',
            'code' => 'INACTIVE-001',
            'is_active' => false,
            'category_id' => $cat1->id,
            'base_unit_id' => $unit->id,
        ]);
        
        tenancy()->end();
    }

    protected function tearDown(): void
    {
        if ($this->tenant) {
            $this->tenant->delete();
        }
        parent::tearDown();
    }

    public function test_can_search_all_active_products()
    {
        \Laravel\Sanctum\Sanctum::actingAs($this->user, ['*']);

        $response = $this->withHeaders([
            'X-Tenant-Domain' => $this->domain,
            'Accept' => 'application/json',
        ])->getJson('/api/v1/integration/products');

        $response->assertStatus(200)
                 ->assertJsonPath('status', 'success')
                 ->assertJsonCount(3, 'data'); // 3 active products
    }

    public function test_can_filter_by_category()
    {
        \Laravel\Sanctum\Sanctum::actingAs($this->user, ['*']);

        $response = $this->withHeaders([
            'X-Tenant-Domain' => $this->domain,
            'Accept' => 'application/json',
        ])->getJson('/api/v1/integration/products?category=食品');

        $response->assertStatus(200)
                 ->assertJsonCount(1, 'data')
                 ->assertJsonPath('data.0.name', '漢堡');
    }

    public function test_can_filter_by_updated_after()
    {
        \Laravel\Sanctum\Sanctum::actingAs($this->user, ['*']);

        // 搜尋今天更新的商品 (百事可樂是昨天更新的，應該被過濾掉)
        $timeStr = now()->startOfDay()->format('Y-m-d H:i:s');
        $response = $this->withHeaders([
            'X-Tenant-Domain' => $this->domain,
            'Accept' => 'application/json',
        ])->getJson("/api/v1/integration/products?updated_after={$timeStr}");

        $response->assertStatus(200)
                 ->assertJsonCount(2, 'data'); // 可口可樂, 漢堡 (百事可樂是昨天)
    }

    public function test_pagination_works()
    {
        \Laravel\Sanctum\Sanctum::actingAs($this->user, ['*']);

        $response = $this->withHeaders([
            'X-Tenant-Domain' => $this->domain,
            'Accept' => 'application/json',
        ])->getJson('/api/v1/integration/products?per_page=2');

        $response->assertStatus(200)
                 ->assertJsonCount(2, 'data')
                 ->assertJsonPath('meta.per_page', 2)
                 ->assertJsonPath('meta.total', 3);
    }

    public function test_can_filter_by_precision_params()
    {
        \Laravel\Sanctum\Sanctum::actingAs($this->user, ['*']);

        // 1. By Barcode
        $response = $this->withHeaders([
            'X-Tenant-Domain' => $this->domain,
            'Accept' => 'application/json',
        ])->getJson('/api/v1/integration/products?barcode=4710001');
        $response->assertStatus(200)->assertJsonCount(1, 'data')->assertJsonPath('data.0.name', '可口可樂');

        // 2. By Code
        $response = $this->withHeaders([
            'X-Tenant-Domain' => $this->domain,
            'Accept' => 'application/json',
        ])->getJson('/api/v1/integration/products?code=PEPSI-001');
        $response->assertStatus(200)->assertJsonCount(1, 'data')->assertJsonPath('data.0.name', '百事可樂');

        // 3. By product_id (ERP ID)
        $productId = Product::where('code', 'BURGER-001')->value('id');
        $response = $this->withHeaders([
            'X-Tenant-Domain' => $this->domain,
            'Accept' => 'application/json',
        ])->getJson("/api/v1/integration/products?product_id={$productId}");
        $response->assertStatus(200)->assertJsonCount(1, 'data')->assertJsonPath('data.0.name', '漢堡');
    }

    public function test_is_protected_by_auth()
    {
        // 不帶 Token
        $response = $this->withHeaders([
            'X-Tenant-Domain' => $this->domain,
            'Accept' => 'application/json',
        ])->getJson('/api/v1/integration/products');

        $response->assertStatus(401);
    }
}