<?php

namespace App\Http\Controllers;

use App\Services\MessageDispatchService;
use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;
use Illuminate\Validation\ValidationException;

class MessageDispatchController extends Controller
{
    private MessageDispatchService $messageDispatchService;

    public function __construct(MessageDispatchService $messageDispatchService)
    {
        $this->messageDispatchService = $messageDispatchService;
    }

    /**
     * 获取可用的服务列表
     */
    public function getAvailableServices(): JsonResponse
    {
        try {
            $services = $this->messageDispatchService->getAvailableServices();

            return response()->json([
                'success' => true,
                'data' => $services,
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => '获取服务列表失败',
                'error' => $e->getMessage()
            ], 500);
        }
    }

    /**
     * 获取可用的国家代码列表
     */
    public function getAvailableCountryCodes(): JsonResponse
    {
        try {
            $codes = $this->messageDispatchService->getAvailableCountryCodes();

            return response()->json([
                'success' => true,
                'data' => $codes,
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => '获取国家代码列表失败',
                'error' => $e->getMessage()
            ], 500);
        }
    }

    /**
     * 获取可用的域名列表
     */
    public function getAvailableDomains(): JsonResponse
    {
        try {
            $domains = $this->messageDispatchService->getAvailableDomains();

            return response()->json([
                'success' => true,
                'data' => $domains,
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => '获取域名列表失败',
                'error' => $e->getMessage()
            ], 500);
        }
    }

    /**
     * 查询异常的消息分发数据
     */
    public function getAbnormalDispatches(Request $request): JsonResponse
    {
        try {
            $request->validate([
                'msg_ids' => 'nullable|array',
                'msg_ids.*' => 'string',
                'request_status' => 'nullable|integer',
                'business_status' => 'nullable|integer',
                'target_services' => 'nullable|array',
                'target_services.*' => 'integer',
                'country_codes' => 'nullable|array',
                'domains' => 'nullable|array',
            ]);

            $msgIds = $request->input('msg_ids');
            $requestStatus = $request->input('request_status');
            $businessStatus = $request->input('business_status');
            $targetServices = $request->input('target_services');
            $countryCodes = $request->input('country_codes');
            $domains = $request->input('domains');

            $results = $this->messageDispatchService->getAbnormalDispatches(
                $msgIds,
                $requestStatus,
                $businessStatus,
                $targetServices,
                $countryCodes,
                $domains
            );

            return response()->json([
                'success' => true,
                'data' => $results,
                'total' => count($results),
            ]);
        } catch (ValidationException $e) {
            return response()->json([
                'success' => false,
                'message' => '请求参数验证失败',
                'errors' => $e->errors()
            ], 422);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => '查询异常消息失败: ' . $e->getMessage()
            ], 500);
        }
    }

    /**
     * 获取服务路由列表
     */
    public function getServiceRoutes(): JsonResponse
    {
        try {
            $routes = $this->messageDispatchService->getServiceRoutes();

            return response()->json([
                'success' => true,
                'data' => $routes
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => $e->getMessage()
            ], 500);
        }
    }

    /**
     * 批量更新消息分发状态
     */
    public function batchUpdateDispatch(Request $request): JsonResponse
    {
        try {
            $request->validate([
                'updates' => 'required|array|min:1',
                'updates.*.id' => 'required',
                'updates.*.request_status' => 'nullable|in:0,1,2,3,4,5',
                'updates.*.business_status' => 'nullable|in:0,1,2',
                'updates.*.retry_count' => 'nullable|numeric|min:0',
                'updates.*.request_error_message' => 'nullable|string|max:1000',
                'updates.*.request_error_code' => 'nullable|string|max:50',
                'updates.*.business_error_message' => 'nullable|string|max:1000',
                'updates.*.business_error_code' => 'nullable|string|max:50',
                'updates.*.processing_time_ms' => 'nullable|numeric|min:0',
                'updates.*.country_code' => 'nullable|string|max:10',
                'updates.*.target_service' => 'nullable',
            ]);

            $updates = $request->input('updates');

            $results = $this->messageDispatchService->batchUpdateDispatch($updates);

            $successCount = count(array_filter($results, fn($r) => $r['success']));
            $failureCount = count($results) - $successCount;

            return response()->json([
                'success' => true,
                'data' => [
                    'results' => $results,
                    'summary' => [
                        'total' => count($results),
                        'success' => $successCount,
                        'failure' => $failureCount,
                    ]
                ]
            ]);
        } catch (ValidationException $e) {
            return response()->json([
                'success' => false,
                'message' => '请求参数验证失败',
                'errors' => $e->errors()
            ], 422);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => '批量更新失败: ' . $e->getMessage()
            ], 500);
        }
    }
}