<?php

namespace App\Http\Controllers\Mini;

use App\Exceptions\RepositoryException;
use App\Models\PurchaseOrderItemModel;
use App\Models\PurchaseOrderModel;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Modules\AnnoRoute\Attribute\GetRoute;
use Modules\AnnoRoute\Attribute\PutRoute;
use Modules\AnnoRoute\Attribute\RequestAttribute;

/**
 * 小程序供应商端（接收采购单 / 明细 / 确认接单）
 */
#[RequestAttribute('/mini', 'mini', authGuard: 'users')]
class SupplierController extends BaseMiniController
{
    /** 收到的采购单：含本供应商 is_sent=1 明细的采购单（去重） */
    #[GetRoute('/supplier/purchases', authorize: true)]
    public function purchases(Request $request): JsonResponse
    {
        $user = $this->currentUser($request);
        $supplier = $this->ensureSupplierBound($user);

        $purchaseIds = PurchaseOrderItemModel::query()
            ->where('supplier_id', $supplier->id)
            ->where('is_sent', PurchaseOrderItemModel::SENT)
            ->distinct()
            ->pluck('purchase_id');

        $data = PurchaseOrderModel::query()
            ->whereIn('id', $purchaseIds)
            ->orderBy('purchase_date', 'desc')
            ->orderBy('id', 'desc')
            ->paginate((int) $request->input('pageSize', 10))
            ->toArray();

        return $this->success($data);
    }

    /** 采购单明细：仅本供应商且已发送的明细行 */
    #[GetRoute('/supplier/purchases/{id}', authorize: true, where: ['id' => '[0-9]+'])]
    public function detail(int $id, Request $request): JsonResponse
    {
        $user = $this->currentUser($request);
        $supplier = $this->ensureSupplierBound($user);

        $purchase = PurchaseOrderModel::find($id);
        if ($purchase === null) {
            throw new RepositoryException('采购单不存在');
        }

        $items = $purchase->items()
            ->where('supplier_id', $supplier->id)
            ->where('is_sent', PurchaseOrderItemModel::SENT)
            ->get();
        if ($items->isEmpty()) {
            throw new RepositoryException('该采购单无贵司的采购明细');
        }

        return $this->success([
            'id' => $purchase->id,
            'purchase_no' => $purchase->purchase_no,
            'purchase_date' => $purchase->purchase_date?->toDateString(),
            'remark' => $purchase->remark,
            'items' => $items->toArray(),
        ]);
    }

    /** 确认接单：本供应商已发送明细批量记录 supplier_confirmed_at（幂等） */
    #[PutRoute('/supplier/purchases/{id}/confirm', authorize: true, where: ['id' => '[0-9]+'])]
    public function confirm(int $id, Request $request): JsonResponse
    {
        $user = $this->currentUser($request);
        $supplier = $this->ensureSupplierBound($user);

        $purchase = PurchaseOrderModel::find($id);
        if ($purchase === null) {
            throw new RepositoryException('采购单不存在');
        }

        $items = $purchase->items()
            ->where('supplier_id', $supplier->id)
            ->where('is_sent', PurchaseOrderItemModel::SENT)
            ->get();
        if ($items->isEmpty()) {
            throw new RepositoryException('该采购单无贵司的采购明细');
        }

        $now = now();
        $confirmed = 0;
        foreach ($items as $item) {
            if ($item->supplier_confirmed_at === null) {
                $item->supplier_confirmed_at = $now;
                $item->save();
                $confirmed++;
            }
        }

        return $this->success(['confirmed' => $confirmed], '已确认接单');
    }
}