<?php

namespace Tests\Feature;

use App\Models\CartModel;
use App\Models\CustomerLevelModel;
use App\Models\ProductCategoryModel;
use App\Models\ProductModel;
use App\Models\StoreModel;

/**
 * 小程序商品：商品详情接口（免登录浏览，登录门店按等级上浮比例显示换算价）；
 * 商品列表回归：登录门店场景曾数组误用对象访问 + 价格缺失导致 500
 * （门店即用户：登录主体为 StoreModel）
 */
class MiniProductTest extends ProcurementTestCase
{
    /**
     * 造门店 + 上架商品（成本价即售价，等级上浮 0%）
     *
     * @return array{0: StoreModel, 1: ProductModel, 2: CustomerLevelModel}
     */
    private function makeStoreWithProduct(string $price = '5.00'): array
    {
        $level = CustomerLevelModel::factory()->create();
        $store = StoreModel::factory()->create(['level_id' => $level->id]);
        $product = ProductModel::factory()->create([
            'status' => ProductModel::STATUS_ON,
            'cost_price' => $price,
        ]);

        return [$store, $product, $level];
    }

    /** 商品详情：未登录浏览 price=null，基础字段完整 */
    public function test_product_detail_guest_sees_null_price(): void
    {
        [, $product] = $this->makeStoreWithProduct();

        $data = $this->getJson("/mini/product/{$product->id}")->assertOk()->json('data');

        $this->assertSame($product->name, $data['name']);
        $this->assertSame($product->spec, $data['spec']);
        $this->assertSame($product->unit, $data['unit']);
        $this->assertNull($data['price'], '未登录不显示价格');
        $this->assertArrayNotHasKey('cost_price', $data, '成本价不得输出到小程序端');
    }

    /** 商品详情：登录门店按等级显示固定价 */
    public function test_product_detail_store_sees_level_price(): void
    {
        [$store, $product] = $this->makeStoreWithProduct('6.50');
        $this->actingAsMiniStore($store);

        $data = $this->getJson("/mini/product/{$product->id}")->assertOk()->json('data');

        $this->assertSame('6.50', $data['price']);
    }

    /** 商品详情：按门店等级上浮比例换算（成本价上浮 30%） */
    public function test_product_detail_percent_price_calculated_from_cost(): void
    {
        [$store, $product, $level] = $this->makeStoreWithProduct();
        $level->update(['percent' => 30]);
        $product->update(['cost_price' => '20.00']);
        $this->actingAsMiniStore($store);

        $data = $this->getJson("/mini/product/{$product->id}")->assertOk()->json('data');

        $this->assertSame('26.00', $data['price'], '20 元上浮 30% = 26.00');
    }

    /** 商品详情：下架/不存在拒绝 */
    public function test_product_detail_off_shelf_or_missing_rejected(): void
    {
        [, $product] = $this->makeStoreWithProduct();
        $product->update(['status' => ProductModel::STATUS_OFF]);

        $this->getJson("/mini/product/{$product->id}")->assertJsonPath('success', false);
        $this->getJson('/mini/product/99999')->assertJsonPath('success', false);
    }

    /** 商品列表：登录门店显示等级价（回归：曾数组误用对象访问导致 500） */
    public function test_product_list_store_sees_level_price(): void
    {
        [$store, $product] = $this->makeStoreWithProduct('7.00');
        $this->actingAsMiniStore($store);

        $rows = $this->getJson('/mini/product/list')->assertOk()->json('data.data');
        $row = collect($rows)->firstWhere('id', $product->id);

        $this->assertNotNull($row);
        $this->assertSame('7.00', $row['price']);
        $this->assertArrayNotHasKey('cost_price', $row, '成本价不得输出到小程序端');
    }

    /** 商品列表：未登录 price=null */
    public function test_product_list_guest_sees_null_price(): void
    {
        [, $product] = $this->makeStoreWithProduct();

        $rows = $this->getJson('/mini/product/list')->assertOk()->json('data.data');
        $row = collect($rows)->firstWhere('id', $product->id);

        $this->assertNotNull($row);
        $this->assertNull($row['price']);
    }

    /** 商品列表：先按分类树展示顺序（深度优先），同分类内按商品 sort 升序、id 升序，未入树分类排最后 */
    public function test_product_list_ordered_by_category_tree(): void
    {
        $rootA = ProductCategoryModel::create(['name' => '蔬菜', 'parent_id' => 0, 'sort' => 0, 'status' => 1]);
        $rootB = ProductCategoryModel::create(['name' => '水果', 'parent_id' => 0, 'sort' => 1, 'status' => 1]);
        // 子分类 sort 与创建顺序相反，验证按 sort 而非 id 排序
        $leafA1 = ProductCategoryModel::create(['name' => '叶菜', 'parent_id' => $rootA->id, 'sort' => 1, 'status' => 1]);
        $leafA2 = ProductCategoryModel::create(['name' => '根茎', 'parent_id' => $rootA->id, 'sort' => 0, 'status' => 1]);

        $pB = ProductModel::factory()->create(['category_id' => $rootB->id, 'status' => 1]);
        $pA1 = ProductModel::factory()->create(['category_id' => $leafA1->id, 'status' => 1]);
        $pA2Low = ProductModel::factory()->create(['category_id' => $leafA2->id, 'status' => 1, 'sort' => 1]);
        $pA2High = ProductModel::factory()->create(['category_id' => $leafA2->id, 'status' => 1, 'sort' => 9]);
        $pNone = ProductModel::factory()->create(['category_id' => 0, 'status' => 1]);

        $ids = array_column($this->getJson('/mini/product/list')->assertOk()->json('data.data'), 'id');

        // 树序：rootA → leafA2 → leafA1 → rootB；leafA2 内 sort 升序；无分类排最后
        $this->assertSame([$pA2Low->id, $pA2High->id, $pA1->id, $pB->id, $pNone->id], $ids);
    }

    /** 商品列表：登录门店附加购物车行ID与数量，响应附悬浮球汇总 */
    public function test_product_list_appends_cart_quantity_and_summary(): void
    {
        [$store, $product] = $this->makeStoreWithProduct('5.00');
        $extra = ProductModel::factory()->create(['status' => ProductModel::STATUS_ON, 'cost_price' => '3.00']);
        $this->actingAsMiniStore($store);

        $this->postJson('/mini/cart', ['product_id' => $product->id, 'quantity' => 2]);
        $this->postJson('/mini/cart', ['product_id' => $extra->id, 'quantity' => 1]);
        $cartId = CartModel::where('product_id', $product->id)->first()->id;

        $data = $this->getJson('/mini/product/list')->assertOk()->json('data');
        $row = collect($data['data'])->firstWhere('id', $product->id);
        $this->assertSame($cartId, $row['cart_id'], '在购物车的商品应附购物车行ID');
        $this->assertSame('2.00', $row['cart_quantity']);

        // 不在购物车的商品：cart_id=0、cart_quantity='0.00'
        $other = ProductModel::factory()->create(['status' => ProductModel::STATUS_ON, 'cost_price' => '1.00']);
        $otherRow = collect($this->getJson('/mini/product/list')->json('data.data'))->firstWhere('id', $other->id);
        $this->assertSame(0, $otherRow['cart_id']);
        $this->assertSame('0.00', $otherRow['cart_quantity']);

        // 悬浮球汇总：2 种商品、总数量 3、总金额 5×2+3×1=13
        $this->assertSame(2, $data['cart']['total_count']);
        $this->assertSame('3.00', $data['cart']['total_quantity']);
        $this->assertSame('13.00', $data['cart']['total_amount']);
    }

    /** 商品列表/详情：未登录时购物车字段为零值结构 */
    public function test_product_list_guest_sees_zero_cart_fields(): void
    {
        [, $product] = $this->makeStoreWithProduct();

        $data = $this->getJson('/mini/product/list')->assertOk()->json('data');
        $row = collect($data['data'])->firstWhere('id', $product->id);
        $this->assertSame(0, $row['cart_id']);
        $this->assertSame('0.00', $row['cart_quantity']);
        $this->assertSame(
            ['total_count' => 0, 'total_quantity' => '0.00', 'total_amount' => '0.00'],
            $data['cart']
        );

        $detail = $this->getJson("/mini/product/{$product->id}")->assertOk()->json('data');
        $this->assertSame(0, $detail['cart_id']);
        $this->assertSame('0.00', $detail['cart_quantity']);
    }

    /** 商品详情：登录门店附加购物车行ID与数量 */
    public function test_product_detail_appends_cart_quantity(): void
    {
        [$store, $product] = $this->makeStoreWithProduct();
        $this->actingAsMiniStore($store);
        $this->postJson('/mini/cart', ['product_id' => $product->id, 'quantity' => 4]);
        $cartId = CartModel::first()->id;

        $data = $this->getJson("/mini/product/{$product->id}")->assertOk()->json('data');
        $this->assertSame($cartId, $data['cart_id']);
        $this->assertSame('4.00', $data['cart_quantity']);
    }

    /** 首页：登录门店附购物车悬浮球汇总，未登录为零值结构 */
    public function test_home_appends_cart_summary(): void
    {
        [$store, $product] = $this->makeStoreWithProduct('5.00');

        // 未登录：零值结构
        $guest = $this->getJson('/mini/home')->assertOk()->json('data');
        $this->assertSame(
            ['total_count' => 0, 'total_quantity' => '0.00', 'total_amount' => '0.00'],
            $guest['cart']
        );

        // 登录：汇总跟随购物车
        $this->actingAsMiniStore($store);
        $this->postJson('/mini/cart', ['product_id' => $product->id, 'quantity' => 3]);
        $data = $this->getJson('/mini/home')->assertOk()->json('data');
        $this->assertSame(1, $data['cart']['total_count']);
        $this->assertSame('3.00', $data['cart']['total_quantity']);
        $this->assertSame('15.00', $data['cart']['total_amount']);
    }
}