<?php

/**
 * 文件功能：商店控制器功能测试
 * 覆盖商品列表、购买、改名卡与新增特效商品展示等商店流程。
 */

namespace Tests\Feature;

use App\Models\ShopItem;
use App\Models\User;
use App\Models\UserPurchase;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

/**
 * 商店控制器功能测试
 * 验证商店接口对商品与购买逻辑的返回结果。
 */
class ShopControllerTest extends TestCase
{
    use RefreshDatabase;

    /**
     * 测试商品列表接口只返回上架商品。
     */
    public function test_items_returns_active_shop_items()
    {
        $user = User::factory()->create();

        $activeItem = ShopItem::create([
            'name' => 'Active',
            'slug' => 'active_item',
            'type' => 'one_time',
            'price' => 100,
            'is_active' => true,
        ]);

        $inactiveItem = ShopItem::create([
            'name' => 'Inactive',
            'slug' => 'inactive_item',
            'type' => 'one_time',
            'price' => 100,
            'is_active' => false,
        ]);

        $response = $this->actingAs($user)->getJson(route('shop.items'));

        $response->assertStatus(200);

        $responseItems = collect($response->json('items'));
        $this->assertTrue($responseItems->contains('id', $activeItem->id));
        $this->assertFalse($responseItems->contains('id', $inactiveItem->id));
    }

    /**
     * 测试商店商品列表会包含新增的特效单次卡与周卡。
     */
    public function test_items_include_new_effect_shop_cards(): void
    {
        $user = User::factory()->create();

        $response = $this->actingAs($user)->getJson(route('shop.items'));

        $response->assertOk();
        $response->assertJsonFragment(['slug' => 'once_meteors']);
        $response->assertJsonFragment(['slug' => 'once_gold-rain']);
        $response->assertJsonFragment(['slug' => 'once_hearts']);
        $response->assertJsonFragment(['slug' => 'once_confetti']);
        $response->assertJsonFragment(['slug' => 'once_fireflies']);
        $response->assertJsonFragment(['slug' => 'once_sakura']);
        $response->assertJsonFragment(['slug' => 'week_sakura']);
        $response->assertJsonFragment(['slug' => 'week_meteors']);
        $response->assertJsonFragment(['slug' => 'week_gold-rain']);
        $response->assertJsonFragment(['slug' => 'week_hearts']);
        $response->assertJsonFragment(['slug' => 'week_confetti']);
        $response->assertJsonFragment(['slug' => 'week_fireflies']);
    }

    /**
     * 测试一次性道具可以正常购买。
     */
    public function test_can_buy_one_time_item()
    {
        $user = User::factory()->create(['jjb' => 500]);

        $item = ShopItem::firstOrCreate(
            ['slug' => 'rename_card_test'],
            [
                'name' => 'Rename Card Test',
                'type' => 'one_time',
                'price' => 100,
                'is_active' => true,
            ]);

        $response = $this->actingAs($user)->postJson(route('shop.buy'), [
            'item_id' => $item->id,
            'room_id' => 1,
        ]);

        $response->assertStatus(200);
        $response->assertJson(['status' => 'success']);

        $this->assertDatabaseHas('user_purchases', [
            'user_id' => $user->id,
            'shop_item_id' => $item->id,
        ]);

        $this->assertDatabaseHas('users', [
            'id' => $user->id,
            'jjb' => 400,
        ]);
    }

    /**
     * 测试余额不足时不能购买商品。
     */
    public function test_cannot_buy_if_insufficient_funds()
    {
        $user = User::factory()->create(['jjb' => 50]);

        $item = ShopItem::firstOrCreate(
            ['slug' => 'rename_card_test'],
            [
                'name' => 'Rename Card Test',
                'type' => 'one_time',
                'price' => 100,
                'is_active' => true,
            ]);

        $response = $this->actingAs($user)->postJson(route('shop.buy'), [
            'item_id' => $item->id,
        ]);

        $response->assertStatus(400);
        $response->assertJson(['status' => 'error']);

        $this->assertDatabaseMissing('user_purchases', [
            'user_id' => $user->id,
            'shop_item_id' => $item->id,
        ]);
    }

    /**
     * 测试已下架商品不能购买。
     */
    public function test_cannot_buy_inactive_item()
    {
        $user = User::factory()->create(['jjb' => 500]);

        $item = ShopItem::create([
            'name' => 'Old Card',
            'slug' => 'old_card',
            'type' => 'one_time',
            'price' => 100,
            'is_active' => false,
        ]);

        $response = $this->actingAs($user)->postJson(route('shop.buy'), [
            'item_id' => $item->id,
        ]);

        $response->assertStatus(400);

        $this->assertDatabaseMissing('user_purchases', [
            'user_id' => $user->id,
        ]);
    }

    /**
     * 测试改名卡可以被正常使用。
     */
    public function test_can_use_rename_card()
    {
        $user = User::factory()->create(['username' => 'OldName']);

        // Actually the service hardcodes 'rename_card' slug check: $item->slug === 'rename_card'
        // So we MUST use 'rename_card'
        $item = ShopItem::firstOrCreate(
            ['slug' => 'rename_card'],
            [
                'name' => 'Rename Card',
                'type' => 'one_time',
                'price' => 100,
                'is_active' => true,
            ]);

        UserPurchase::create([
            'user_id' => $user->id,
            'shop_item_id' => $item->id,
            'status' => 'active',
            'used_at' => null,
            'cost_amount' => 100,
            'currency_type' => 'gold',
        ]);

        $response = $this->actingAs($user)->postJson(route('shop.rename'), [
            'new_name' => 'NewName',
        ]);

        $response->assertStatus(200);
        $response->assertJson(['status' => 'success']);

        // Assert user's name is updated
        $this->assertDatabaseHas('users', [
            'id' => $user->id,
            'username' => 'NewName',
        ]);

        // Assert card is used
        $this->assertDatabaseHas('user_purchases', [
            'user_id' => $user->id,
            'shop_item_id' => $item->id,
            'status' => 'used',
        ]);
    }
}