<?php

namespace Tests\Feature;

use App\Models\CustomerLevelModel;
use App\Models\NoticeModel;
use App\Models\ProductCategoryModel;
use App\Models\ProductModel;
use App\Models\ProductPriceModel;
use App\Models\StoreModel;
use App\Models\UserModel;

/**
 * 商品成本价 + 等级百分比计价：
 * 实际价换算、后台/小程序列表展示、创建编辑切换计价类型、批量调价（成本价/百分比）、成本价防泄漏
 */
class ProductCostPriceTest extends ProcurementTestCase
{
    /** 造一个商品分类（后台创建商品必填） */
    private function makeCategory(): ProductCategoryModel
    {
        return ProductCategoryModel::create([
            'parent_id' => 0,
            'name' => '测试分类',
            'sort' => 1,
            'status' => ProductCategoryModel::STATUS_NORMAL,
        ]);
    }

    /** 造门店 + 上架商品（成本价 + 指定计价类型的价格行） + 该店用户 */
    private function makeStoreWithPercentProduct(float $cost = 10, float $percent = 30): array
    {
        $level = CustomerLevelModel::factory()->create();
        $store = StoreModel::factory()->create(['level_id' => $level->id]);
        $product = ProductModel::factory()->create([
            'status' => ProductModel::STATUS_ON,
            'cost_price' => $cost,
        ]);
        ProductPriceModel::factory()->create([
            'product_id' => $product->id,
            'level_id' => $level->id,
            'price_type' => ProductPriceModel::PRICE_TYPE_PERCENT,
            'percent' => $percent,
            'price' => 13.00,
        ]);

        return [$store, $product, UserModel::factory()->forStore($store->id)->create()];
    }

    /** 实际价换算：固定价原值；百分比 = 成本 × (100 + percent) / 100 */
    public function test_calc_actual_price_fixed_and_percent(): void
    {
        $this->assertSame(
            '5.50',
            ProductPriceModel::calcActualPrice(ProductPriceModel::PRICE_TYPE_FIXED, '5.50', '0', '10.00'),
            '固定价原样返回'
        );
        $this->assertSame(
            '13.00',
            ProductPriceModel::calcActualPrice(ProductPriceModel::PRICE_TYPE_PERCENT, '13.00', '30', '10.00'),
            '10 元上浮 30% = 13.00'
        );
        $this->assertSame(
            '13.05',
            ProductPriceModel::calcActualPrice(ProductPriceModel::PRICE_TYPE_PERCENT, '13.00', '30.50', '10.00'),
            '10 元上浮 30.5% = 13.05'
        );
    }

    /** 换算边界：成本为 0、上浮 0%、非法类型兜底 */
    public function test_calc_actual_price_edge_cases(): void
    {
        $this->assertSame(
            '0.00',
            ProductPriceModel::calcActualPrice(ProductPriceModel::PRICE_TYPE_PERCENT, '13.00', '30', '0'),
            '成本为 0 时实际价按 0 兜底'
        );
        $this->assertSame(
            '10.00',
            ProductPriceModel::calcActualPrice(ProductPriceModel::PRICE_TYPE_PERCENT, '13.00', '0', '10.00'),
            '上浮 0% = 成本价'
        );
        $this->assertSame(
            '5.50',
            ProductPriceModel::calcActualPrice(99, '5.50', '30', '10.00'),
            '非法计价类型按固定价兜底'
        );
    }

    /** 后台商品列表：含成本价列 + 等级价格行的 actual_price */
    public function test_admin_list_contains_cost_price_and_actual_price(): void
    {
        $this->actingAsSysUser();

        $level = CustomerLevelModel::factory()->create();
        $product = ProductModel::factory()->create(['cost_price' => 10.00]);
        ProductPriceModel::factory()->create([
            'product_id' => $product->id,
            'level_id' => $level->id,
            'price_type' => ProductPriceModel::PRICE_TYPE_PERCENT,
            'percent' => 30,
            'price' => 13.00,
        ]);

        $response = $this->getJson('/product/goods');
        $response->assertOk()->assertJsonPath('success', true);

        $row = collect($response->json('data.data'))->firstWhere('id', $product->id);
        $this->assertNotNull($row);
        $this->assertSame('10.00', (string) $row['cost_price'], '后台列表应含成本价');
        $this->assertSame('13.00', (string) $row['prices'][0]['actual_price'], '后台列表等级价格应为实际价');
    }

    /** 小程序列表：返回换算后实际价，且成本价不泄漏 */
    public function test_mini_list_returns_actual_price_without_cost_price(): void
    {
        [$store, $product, $user] = $this->makeStoreWithPercentProduct();
        $this->actingAsMiniUser($user);

        $response = $this->getJson('/mini/product/list');
        $response->assertOk()->assertJsonPath('success', true);

        $row = collect($response->json('data.data'))->firstWhere('id', $product->id);
        $this->assertNotNull($row);
        $this->assertSame('13.00', (string) $row['price'], '小程序端应返回百分比换算后的实际价');
        $this->assertArrayNotHasKey('cost_price', $row, '成本价为商业敏感数据，不得泄漏到小程序端');
        $this->assertArrayNotHasKey('prices', $row, '价格行原始数据（含 percent）也不应下发给小程序');
    }

    /** 后台创建商品：成本价 + 百分比计价行落库 */
    public function test_create_product_with_cost_and_percent_pricing(): void
    {
        $this->actingAsSysUser();
        $category = $this->makeCategory();
        $level = CustomerLevelModel::factory()->create();

        $this->postJson('/product/goods', [
            'category_id' => $category->id,
            'name' => '百分比商品',
            'content' => '测试图文详情',
            'cost_price' => 10,
            'prices' => [
                ['level_id' => $level->id, 'price_type' => ProductPriceModel::PRICE_TYPE_PERCENT, 'percent' => 30, 'price' => 13],
            ],
        ])->assertOk()->assertJsonPath('success', true);

        $product = ProductModel::where('name', '百分比商品')->first();
        $this->assertNotNull($product);
        $this->assertSame('10.00', (string) $product->cost_price);

        $price = $product->prices->first();
        $this->assertSame(ProductPriceModel::PRICE_TYPE_PERCENT, (int) $price->price_type);
        $this->assertSame('30.00', (string) $price->percent);
        $this->assertSame('13.00', (string) $price->actual_price, '百分比行实际价应按成本价换算');
    }

    /** 百分比计价缺少上浮百分点 → 验证失败（XinAdmin 验证错误为 200 + success=false） */
    public function test_create_percent_row_without_percent_fails(): void
    {
        $this->actingAsSysUser();
        $category = $this->makeCategory();
        $level = CustomerLevelModel::factory()->create();

        $this->postJson('/product/goods', [
            'category_id' => $category->id,
            'name' => '缺百分比',
            'content' => '',
            'prices' => [
                // 有单价但缺上浮百分点：after() 交叉校验应拦截
                ['level_id' => $level->id, 'price_type' => ProductPriceModel::PRICE_TYPE_PERCENT, 'price' => 13],
            ],
        ])->assertOk()
            ->assertJsonPath('success', false)
            ->assertJsonPath('msg', '按成本百分比计价时必须填写上浮百分点');
    }

    /** 编辑商品：从固定价切换为成本百分比计价 */
    public function test_update_switches_fixed_to_percent(): void
    {
        $this->actingAsSysUser();
        $category = $this->makeCategory();
        $level = CustomerLevelModel::factory()->create();

        $product = ProductModel::factory()->create(['category_id' => $category->id, 'cost_price' => 10]);
        ProductPriceModel::factory()->create([
            'product_id' => $product->id,
            'level_id' => $level->id,
            'price' => 5.00,
        ]);

        $this->putJson('/product/goods/' . $product->id, [
            'category_id' => $category->id,
            'name' => $product->name,
            'cost_price' => 10,
            'prices' => [
                ['level_id' => $level->id, 'price_type' => ProductPriceModel::PRICE_TYPE_PERCENT, 'percent' => 50, 'price' => 15],
            ],
        ])->assertOk()->assertJsonPath('success', true);

        $price = ProductPriceModel::forProductLevel($product->id, $level->id)->first();
        $this->assertSame(ProductPriceModel::PRICE_TYPE_PERCENT, (int) $price->price_type);
        $this->assertSame('50.00', (string) $price->percent);
        $this->assertSame('15.00', (string) $price->actual_price, '10 元上浮 50% = 15.00');
    }

    /** 批量调价-纯成本价行：百分比等级门店收到通知，纯固定价等级门店不通知 */
    public function test_batch_price_cost_only_notifies_percent_level_stores(): void
    {
        $this->actingAsSysUser();

        $percentLevel = CustomerLevelModel::factory()->create();
        $fixedLevel = CustomerLevelModel::factory()->create();
        $percentStore = StoreModel::factory()->create(['level_id' => $percentLevel->id]);
        $fixedStore = StoreModel::factory()->create(['level_id' => $fixedLevel->id]);
        $percentUser = UserModel::factory()->forStore($percentStore->id)->create();
        $fixedUser = UserModel::factory()->forStore($fixedStore->id)->create();

        $product = ProductModel::factory()->create(['cost_price' => 10]);
        ProductPriceModel::factory()->create([
            'product_id' => $product->id,
            'level_id' => $percentLevel->id,
            'price_type' => ProductPriceModel::PRICE_TYPE_PERCENT,
            'percent' => 30,
            'price' => 13,
        ]);
        ProductPriceModel::factory()->create([
            'product_id' => $product->id,
            'level_id' => $fixedLevel->id,
            'price' => 8,
        ]);

        $this->putJson('/product/goods/batchPrice', [
            'updates' => [
                ['product_id' => $product->id, 'cost_price' => 12],
            ],
        ])->assertOk()->assertJsonPath('success', true);

        $this->assertSame('12.00', (string) $product->fresh()->cost_price, '成本价应已更新');
        $this->assertSame(
            1,
            NoticeModel::where('user_id', $percentUser->id)->where('type', NoticeModel::TYPE_PRICE)->count(),
            '成本价变更影响百分比计价等级，该等级门店用户应收到通知'
        );
        $this->assertSame(
            0,
            NoticeModel::where('user_id', $fixedUser->id)->count(),
            '固定价等级不受成本价变更影响，不应收到通知'
        );
    }

    /** 批量调价-百分比行：存 percent 与等价固定价 */
    public function test_batch_price_percent_row_update(): void
    {
        $this->actingAsSysUser();
        $level = CustomerLevelModel::factory()->create();
        $product = ProductModel::factory()->create(['cost_price' => 10]);

        $this->putJson('/product/goods/batchPrice', [
            'updates' => [
                [
                    'product_id' => $product->id,
                    'level_id' => $level->id,
                    'price_type' => ProductPriceModel::PRICE_TYPE_PERCENT,
                    'percent' => 40,
                    'price' => 14,
                ],
            ],
        ])->assertOk()->assertJsonPath('success', true);

        $price = ProductPriceModel::forProductLevel($product->id, $level->id)->first();
        $this->assertSame(ProductPriceModel::PRICE_TYPE_PERCENT, (int) $price->price_type);
        $this->assertSame('40.00', (string) $price->percent);
        $this->assertSame('14.00', (string) $price->actual_price, '10 元上浮 40% = 14.00');
    }

    /** 批量调价-混合行：同一行同时改成本价与等级价 */
    public function test_batch_price_mixed_row_updates_cost_and_level(): void
    {
        $this->actingAsSysUser();
        $level = CustomerLevelModel::factory()->create();
        $product = ProductModel::factory()->create(['cost_price' => 10]);
        ProductPriceModel::factory()->create(['product_id' => $product->id, 'level_id' => $level->id, 'price' => 8]);

        $this->putJson('/product/goods/batchPrice', [
            'updates' => [
                [
                    'product_id' => $product->id,
                    'cost_price' => 12,
                    'level_id' => $level->id,
                    'price_type' => ProductPriceModel::PRICE_TYPE_PERCENT,
                    'percent' => 25,
                    'price' => 15,
                ],
            ],
        ])->assertOk()->assertJsonPath('success', true);

        $this->assertSame('12.00', (string) $product->fresh()->cost_price);
        $price = ProductPriceModel::forProductLevel($product->id, $level->id)->first();
        $this->assertSame(ProductPriceModel::PRICE_TYPE_PERCENT, (int) $price->price_type);
        $this->assertSame('25.00', (string) $price->percent);
        $this->assertSame('15.00', (string) $price->actual_price, '12 元上浮 25% = 15.00');
    }

    /** 批量调价-空行（仅 product_id）→ 验证失败 */
    public function test_batch_price_empty_row_rejected(): void
    {
        $this->actingAsSysUser();
        $product = ProductModel::factory()->create();

        $this->putJson('/product/goods/batchPrice', [
            'updates' => [
                ['product_id' => $product->id],
            ],
        ])->assertOk()
            ->assertJsonPath('success', false)
            ->assertJsonPath('msg', '调价行缺少成本价或等级价格');
    }

    /** 价格矩阵：行含成本价与每等级的计价类型/百分比，等级格为实际价 */
    public function test_price_matrix_includes_cost_and_percent_columns(): void
    {
        $this->actingAsSysUser();

        $level = CustomerLevelModel::factory()->create();
        $product = ProductModel::factory()->create(['cost_price' => 10]);
        ProductPriceModel::factory()->create([
            'product_id' => $product->id,
            'level_id' => $level->id,
            'price_type' => ProductPriceModel::PRICE_TYPE_PERCENT,
            'percent' => 30,
            'price' => 13,
        ]);

        $response = $this->getJson('/product/goods/priceMatrix');
        $response->assertOk()->assertJsonPath('success', true);

        $row = collect($response->json('data.rows'))->firstWhere('id', $product->id);
        $this->assertNotNull($row);
        $this->assertSame(10.0, (float) $row['cost_price']);
        $this->assertSame(13.0, (float) $row['price_' . $level->id], '矩阵等级格应显示实际价');
        $this->assertSame(ProductPriceModel::PRICE_TYPE_PERCENT, (int) $row['price_type_' . $level->id]);
        $this->assertSame(30.0, (float) $row['percent_' . $level->id]);
    }

    /** 小程序下单：百分比计价行按实际价重算金额 */
    public function test_mini_order_uses_actual_price_for_percent_row(): void
    {
        [$store, $product, $user] = $this->makeStoreWithPercentProduct(10, 30);
        $this->actingAsMiniUser($user);

        $this->postJson('/mini/order', [
            'items' => [['product_id' => $product->id, 'quantity' => 3]],
        ])->assertOk()
            ->assertJsonPath('success', true)
            ->assertJsonPath('data.total_amount', '39.00');

        $item = $store->orders()->latest('id')->first()->items->first();
        $this->assertSame('13.00', (string) $item->price, '订单明细快照应为实际价');
        $this->assertSame('39.00', (string) $item->amount);
    }

    /** 小程序购物车：列表金额按百分比换算的实际价计算 */
    public function test_mini_cart_uses_actual_price_for_percent_row(): void
    {
        [$store, $product, $user] = $this->makeStoreWithPercentProduct(10, 30);
        $this->actingAsMiniUser($user);

        $this->postJson('/mini/cart', ['product_id' => $product->id, 'quantity' => 2.5])
            ->assertOk()->assertJsonPath('success', true);

        $this->getJson('/mini/cart')
            ->assertOk()
            ->assertJsonPath('data.items.0.price', '13.00')
            ->assertJsonPath('data.items.0.amount', '32.50')
            ->assertJsonPath('data.total_amount', '32.50');
    }
}