<?php
namespace app\admin\controller;

use support\Request;
use app\common\model\Order;
use app\common\model\Report;
use app\common\service\OrderFlowService;
use Illuminate\Database\Capsule\Manager as DB;

class ReportController
{
    public function list(Request $request)
    {
        $page = max(1, intval($request->get('page', 1)));
        $pageSize = min(50, max(1, intval($request->get('page_size', 10))));

        $query = Report::with(['order', 'inspector']);
        
        if ($reportNo = $request->get('report_no')) {
            $query->where('report_no', 'like', "%{$reportNo}%");
        }

        $total = $query->count();
        $items = $query->orderBy('id', 'desc')
            ->offset(($page - 1) * $pageSize)
            ->limit($pageSize)
            ->get();

        return jsonResponse([
            'items' => $items,
            'total' => $total,
            'page' => $page,
            'page_size' => $pageSize
        ]);
    }

    public function detail(Request $request)
    {
        $id = (int)$request->get('id');
        $report = Report::with(['order.logs', 'inspector'])->find($id);
        
        if (!$report) {
            return jsonResponse(null, '报告不存在', 404);
        }
        
        return jsonResponse($report);
    }

    public function create(Request $request)
    {
        $orderId = (int)$request->post('order_id');
        $conclusion = trim($request->post('conclusion', '')); // REAL, FAKE, DOUBT
        $level = trim($request->post('level', ''));
        $flawsJson = $request->post('flaws_json', []);
        $imagesJson = $request->post('images_json', []);
        
        if (!in_array($conclusion, ['REAL', 'FAKE', 'DOUBT'])) {
            return jsonResponse(null, '鉴定结论不合法', 400);
        }
        
        if (empty($imagesJson)) {
            return jsonResponse(null, '必须上传证据图片', 400);
        }

        $order = Order::find($orderId);
        if (!$order) {
            return jsonResponse(null, '订单不存在', 404);
        }
        
        if ($order->status !== 'inspecting') {
            return jsonResponse(null, '订单当前状态不可出具报告', 400);
        }
        
        if (Report::where('order_id', $orderId)->exists()) {
            return jsonResponse(null, '该订单已出具报告，不可重复出具', 400);
        }

        DB::beginTransaction();
        try {
            $reportNo = 'R' . date('YmdHis') . rand(1000, 9999);
            $verifyCode = bin2hex(random_bytes(8)); // 16字符防伪码
            
            $report = Report::create([
                'report_no' => $reportNo,
                'order_id' => $orderId,
                'conclusion' => $conclusion,
                'level' => $level,
                'flaws_json' => $flawsJson,
                'images_json' => $imagesJson,
                'inspector_id' => $request->admin->id,
                'verify_code' => $verifyCode
            ]);
            
            // 扭转订单状态
            $order->status = 'finished';
            $order->save();
            
            $conclusionMap = [
                'REAL' => '正品',
                'FAKE' => '仿品',
                'DOUBT' => '存疑'
            ];
            $conclusionText = $conclusionMap[$conclusion] ?? '未知';
            
            OrderFlowService::addLog($orderId, 'report_generated', '报告已出具', "鉴定结论：{$conclusionText}", 'admin', $request->admin->id);
            
            DB::commit();
            return jsonResponse($report, '报告出具成功');
        } catch (\Exception $e) {
            DB::rollBack();
            return jsonResponse(null, '出具报告失败: ' . $e->getMessage(), 500);
        }
    }
}