<?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 Stancl\Tenancy\Facades\Tenancy;
use Illuminate\Support\Str;

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

    protected function setUp(): void
    {
        parent::setUp();
        
        // 每次測試前重置資料庫（在測試環境）
        \Artisan::call('migrate:fresh');
        
        $this->domain = 'product-test-' . Str::random(8) . '.erp.local';
        $tenantId = 'test_tenant_p_' . Str::random(8);

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

        // 初始化租戶並遷移
        tenancy()->initialize($this->tenant);
        \Artisan::call('tenants:migrate');

        // 建立測試使用者與分類
        $this->user = User::factory()->create(['name' => 'Test Admin']);
        Category::create(['name' => '測試分類', 'code' => 'TEST-CAT']);
        
        tenancy()->end();
    }

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

    /**
     * 測試產品同步新增功能
     */
    public function test_product_sync_can_create_new_product()
    {
        \Laravel\Sanctum\Sanctum::actingAs($this->user, ['*']);

        $payload = [
            'external_pos_id' => 'POS-NEW-999',
            'name' => '全新同步商品',
            'price' => 299,
            'barcode' => '1234567890123',
            'category' => '測試分類',
            'cost_price' => 150
        ];

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

        $response->assertStatus(200)
                 ->assertJsonPath('message', 'Product synced successfully');

        // 驗證租戶資料庫
        tenancy()->initialize($this->tenant);
        $this->assertDatabaseHas('products', [
            'external_pos_id' => 'POS-NEW-999',
            'name' => '全新同步商品',
            'price' => 299,
        ]);
        tenancy()->end();
    }

    /**
     * 測試產品同步更新功能 (Upsert)
     */
    public function test_product_sync_can_update_existing_product()
    {
        // 先建立一個既有商品
        tenancy()->initialize($this->tenant);
        Product::create([
            'name' => '舊商品名稱',
            'code' => 'OLD-CODE',
            'external_pos_id' => 'POS-EXIST-001',
            'price' => 100,
            'category_id' => Category::first()->id,
        ]);
        tenancy()->end();

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

        $payload = [
            'external_pos_id' => 'POS-EXIST-001',
            'name' => '更新後的商品名稱',
            'price' => 888,
        ];

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

        $response->assertStatus(200);

        tenancy()->initialize($this->tenant);
        $this->assertDatabaseHas('products', [
            'external_pos_id' => 'POS-EXIST-001',
            'name' => '更新後的商品名稱',
            'price' => 888,
        ]);
        tenancy()->end();
    }

    /**
     * 測試產品同步驗證失敗
     */
    public function test_product_sync_validation_fails_without_required_fields()
    {
        \Laravel\Sanctum\Sanctum::actingAs($this->user, ['*']);

        $payload = [
            'external_pos_id' => '', // 缺少此欄位
            'name' => '',           // 缺少此欄位
        ];

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

        $response->assertStatus(422)
                 ->assertJsonValidationErrors(['external_pos_id', 'name']);
    }
}