<?php

namespace Tests\Feature;

use App\Models\CustomerLevelModel;
use App\Models\ProductModel;
use App\Models\ProductPriceModel;
use App\Models\StoreModel;
use App\Models\StoreOrderModel;
use App\Models\UserModel;
use Illuminate\Support\Facades\Cache;
use Modules\SystemTool\Models\SysSiteConfigGroupModel;
use Modules\SystemTool\Models\SysSiteConfigItemsModel;

/**
 * 小程序下单：等级价快照、服务端重算总价、取消限制、门店数据隔离
 */
class StoreOrderTest extends ProcurementTestCase
{
    /**
     * @return array{0: StoreModel, 1: ProductModel, 2: UserModel}
     */
    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]);
        ProductPriceModel::factory()->create([
            'product_id' => $product->id,
            'level_id' => $level->id,
            'price' => $price,
        ]);

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

    /** 下单快照等级价，服务端重算单品金额与订单总价 */
    public function test_place_order_snapshots_level_price_and_recalculates(): void
    {
        [$store, $product, $user] = $this->makeStoreWithProduct('5.50');
        $this->actingAsMiniUser($user);

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

        $order = StoreOrderModel::where('store_id', $store->id)->first();
        $this->assertNotNull($order);
        $this->assertSame(StoreOrderModel::STATUS_PENDING, $order->status);
        $this->assertStringStartsWith('SO', $order->order_no);
        $this->assertSame('16.50', (string) $order->total_amount, '5.50 × 3');

        $item = $order->items->first();
        $this->assertSame('5.50', (string) $item->price, '明细快照等级价');
        $this->assertSame('16.50', (string) $item->amount);
        $this->assertSame($product->name, $item->product_name, '明细快照商品名');
    }

    /** 前端传入的金额字段一律被忽略 */
    public function test_client_supplied_amount_is_ignored(): void
    {
        [$store, $product, $user] = $this->makeStoreWithProduct('5.00');
        $this->actingAsMiniUser($user);

        $this->postJson('/mini/order', [
            'items' => [[
                'product_id' => $product->id,
                'quantity' => 2,
                'price' => 0.01,
                'amount' => 0.02,
            ]],
        ])->assertOk()->assertJsonPath('success', true);

        $order = StoreOrderModel::where('store_id', $store->id)->first();
        $this->assertSame('10.00', (string) $order->total_amount, '应按等级价 5.00×2 计算，忽略前端金额');
    }

    /** 商品未设置门店等级价格时拒绝下单 */
    public function test_product_without_level_price_rejected(): void
    {
        [, $product, $user] = $this->makeStoreWithProduct('5.00');
        ProductPriceModel::where('product_id', $product->id)->delete();
        $this->actingAsMiniUser($user);

        $this->postJson('/mini/order', [
            'items' => [['product_id' => $product->id, 'quantity' => 1]],
        ])->assertOk()->assertJsonPath('success', false);

        $this->assertSame(0, StoreOrderModel::count());
    }

    /** 取消：仅待汇总订单可取消 */
    public function test_cancel_only_pending_orders(): void
    {
        [$store, $product, $user] = $this->makeStoreWithProduct();
        $this->actingAsMiniUser($user);
        $this->postJson('/mini/order', ['items' => [['product_id' => $product->id, 'quantity' => 1]]]);
        $order = StoreOrderModel::where('store_id', $store->id)->first();

        $this->putJson("/mini/order/{$order->id}/cancel")->assertJsonPath('success', true);
        $this->assertSame(StoreOrderModel::STATUS_CANCELLED, $order->fresh()->status);

        // 已取消不可重复取消
        $this->putJson("/mini/order/{$order->id}/cancel")->assertJsonPath('success', false);
    }

    /** 已汇总订单不可取消 */
    public function test_summarized_order_cannot_be_cancelled(): void
    {
        [$store, $product, $user] = $this->makeStoreWithProduct();
        $this->actingAsMiniUser($user);
        $this->postJson('/mini/order', ['items' => [['product_id' => $product->id, 'quantity' => 1]]]);
        $order = StoreOrderModel::where('store_id', $store->id)->first();
        $order->update(['status' => StoreOrderModel::STATUS_SUMMARIZED]);

        $this->putJson("/mini/order/{$order->id}/cancel")->assertJsonPath('success', false);
        $this->assertSame(StoreOrderModel::STATUS_SUMMARIZED, $order->fresh()->status);
    }

    /** 门店数据隔离：只能查看本店订单 */
    public function test_order_data_isolated_between_stores(): void
    {
        [$storeA, $product, $userA] = $this->makeStoreWithProduct();
        $this->actingAsMiniUser($userA);
        $this->postJson('/mini/order', ['items' => [['product_id' => $product->id, 'quantity' => 1]]]);
        $orderOfA = StoreOrderModel::where('store_id', $storeA->id)->first();

        // 门店 B 用户访问门店 A 的订单
        $storeB = StoreModel::factory()->create(['level_id' => $storeA->level_id]);
        $this->actingAsMiniUser(UserModel::factory()->forStore($storeB->id)->create());

        $this->getJson("/mini/order/{$orderOfA->id}")->assertJsonPath('success', false);
        $this->getJson('/mini/order')->assertJsonPath('data.total', 0);
    }

    /** 种子化周转框/托盘单价配置（框 2.00、托盘 10.00） */
    private function seedContainerConfig(): void
    {
        $group = SysSiteConfigGroupModel::create(['title' => '业务配置', 'key' => 'services']);
        foreach ([['box_amount', '周转框单价', '2.00'], ['tray_amount', '周转托盘单价', '10.00']] as [$key, $title, $value]) {
            SysSiteConfigItemsModel::create([
                'group_id' => $group->id,
                'key' => $key,
                'title' => $title,
                'type' => 'InputNumber',
                'values' => $value,
                'sort' => 0,
            ]);
        }
        Cache::forget('site_config');
    }

    /** 造一笔指定状态的订单（商品 5.00 × 2 = 10.00） */
    private function makeOrderWithStatus(int $status): StoreOrderModel
    {
        [$store, $product, $user] = $this->makeStoreWithProduct('5.00');
        $this->actingAsMiniUser($user);
        $this->postJson('/mini/order', ['items' => [['product_id' => $product->id, 'quantity' => 2]]])
            ->assertJsonPath('success', true);
        $order = StoreOrderModel::where('store_id', $store->id)->first();
        $order->update(['status' => $status]);

        return $order;
    }

    /** 修改周转框/托盘：自动重算附加金额与订单总金额 */
    public function test_container_update_recalculates_amounts(): void
    {
        $this->seedContainerConfig();
        $order = $this->makeOrderWithStatus(StoreOrderModel::STATUS_SUMMARIZED);
        $this->assertSame('10.00', (string) $order->product_amount, '下单时应写入商品金额');

        $this->actingAsSysUser();
        $this->putJson("/order/store/{$order->id}/container", ['box_num' => 3, 'tray_num' => 1])
            ->assertOk()->assertJsonPath('success', true);

        $order->refresh();
        $this->assertSame(3, $order->box_num);
        $this->assertSame(1, $order->tray_num);
        $this->assertSame('16.00', (string) $order->added_amount, '3×2.00 + 1×10.00');
        $this->assertSame('10.00', (string) $order->product_amount);
        $this->assertSame('26.00', (string) $order->total_amount, '10.00 + 16.00');
    }

    /** 已接单、采购中、配送中均可修改 */
    public function test_container_update_allowed_in_editable_statuses(): void
    {
        $this->seedContainerConfig();
        $order = $this->makeOrderWithStatus(StoreOrderModel::STATUS_SUMMARIZED);
        $this->actingAsSysUser();

        foreach ([
            StoreOrderModel::STATUS_SUMMARIZED,
            StoreOrderModel::STATUS_DELIVERING,
            StoreOrderModel::STATUS_DISTRIBUTION,
        ] as $status) {
            $order->update(['status' => $status]);
            $this->putJson("/order/store/{$order->id}/container", ['box_num' => 1, 'tray_num' => 0])
                ->assertOk()->assertJsonPath('success', true);
            $this->assertSame('2.00', (string) $order->fresh()->added_amount);
        }
    }

    /** 待接单、已完成、已取消不允许修改 */
    public function test_container_update_rejected_in_other_statuses(): void
    {
        $this->seedContainerConfig();
        $order = $this->makeOrderWithStatus(StoreOrderModel::STATUS_PENDING);
        $this->actingAsSysUser();

        foreach ([
            StoreOrderModel::STATUS_PENDING,
            StoreOrderModel::STATUS_COMPLETED,
            StoreOrderModel::STATUS_CANCELLED,
        ] as $status) {
            $order->update(['status' => $status]);
            $this->putJson("/order/store/{$order->id}/container", ['box_num' => 5, 'tray_num' => 5])
                ->assertOk()->assertJsonPath('success', false);
        }
        $order->refresh();
        $this->assertSame(0, $order->box_num, '被拒绝后数量不变');
        $this->assertSame('10.00', (string) $order->total_amount, '被拒绝后总金额不变');
    }

    /** 历史订单未写商品金额时按「总额 - 附加」反推回写 */
    public function test_container_update_heals_legacy_product_amount(): void
    {
        $this->seedContainerConfig();
        $order = $this->makeOrderWithStatus(StoreOrderModel::STATUS_SUMMARIZED);
        $order->update(['product_amount' => 0]); // 模拟历史数据

        $this->actingAsSysUser();
        $this->putJson("/order/store/{$order->id}/container", ['box_num' => 2, 'tray_num' => 0])
            ->assertOk()->assertJsonPath('success', true);

        $order->refresh();
        $this->assertSame('10.00', (string) $order->product_amount, '反推回写商品金额');
        $this->assertSame('4.00', (string) $order->added_amount, '2×2.00');
        $this->assertSame('14.00', (string) $order->total_amount);
    }

    /** 数量为负时校验失败 */
    public function test_container_update_validates_negative_numbers(): void
    {
        $this->seedContainerConfig();
        $order = $this->makeOrderWithStatus(StoreOrderModel::STATUS_SUMMARIZED);

        $this->actingAsSysUser();
        $this->putJson("/order/store/{$order->id}/container", ['box_num' => -1, 'tray_num' => 0])
            ->assertJsonPath('success', false)
            ->assertJsonPath('msg', '周转框数量不能小于 0');
    }
}