<?php

namespace App\Services\Coach;

use App\Models\CoachUser;
use App\Enums\OrderStatus;
use App\Models\MemberUser;
use App\Models\CoachSchedule;
use Illuminate\Support\Facades\DB;
use App\Enums\TechnicianAuthStatus;
use App\Enums\TechnicianWorkStatus;
use Illuminate\Support\Facades\Log;
use App\Enums\TechnicianLocationType;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Redis;

class AccountService
{
    private const CACHE_KEY_PREFIX = 'coach_info_';

    private const CACHE_TTL = 300; // 5分钟

    /**
     * 提交技师基本信息
     * 包括个人基础资料的提交和审核
     *
     * 业务流程：
     * 1. 验证技师信息存在性
     * 2. 检查是否有待审核的记录
     * 3. 创建新的基本信息记录
     * 4. 清除相关缓存
     *
     * 注意事项：
     * - 同一时间只能有一条待审核记录
     * - 审核不通过可以重新提交
     * - 头像图片数据不限制格式
     * - 除性别和手机号外，其他字段均为可选
     * - 手机号会进行脱敏处理
     *
     * @param User $user 当前认证用户
     * @param array $data 基本信息数据，包含：
     *        - nickname: string|null 昵称(可选)
     *        - avatar: string|null 头像图片(可选)
     *        - gender: string 性别(1:男 2:女)
     *        - mobile: string 手机号
     *        - birthday: string|null 出生日期(可选)
     *        - work_years: int|null 工作年限(可选)
     *        - intention_city: string|null 意向城市(可选)
     *        - introduction: string|null 个人简介(可选)
     * @return array 返回结果
     * @throws \Exception 当验证失败或保存失败时抛出异常
     */
    public function submitBaseInfo($user, array $data)
    {
        DB::beginTransaction();
        try {
            // 验证技师信息是否存在
            abort_if(!$user->coach, 404, '技师信息不存在');

            // 检查是否有待审核的记录，避免重复提交
            $pendingRecord = $this->hasPendingRecord($user->coach, 'info');
            abort_if($pendingRecord, 422, '已有待审核的基本信息记录');

            // 创建技师信息
            $user->coach->infoRecords()->create(array_merge($data, [
                'state' => TechnicianAuthStatus::AUDITING->value,
            ]));

            // 清除技师信息缓存，确保数据一致性
            $this->clearCoachCache($user->coach->id);

            // 提交事务
            DB::commit();

            // 返回成功结果
            return ['message' => '基本信息提交成功'];
        } catch (\Exception $e) {
            // 发生异常时回滚事务
            DB::rollBack();
            throw $e;
        }
    }

    /**
     * 提交技师资质信息
     * 包括资质证书照片、营业执照和健康证照片的提交和审核
     *
     * 业务流程：
     * 1. 验证技师信息存在性
     * 2. 检查是否有待审核的记录
     * 3. 创建新的资质审核记录
     * 4. 清除相关缓存
     *
     * 注意事项：
     * - 同一时间只能有一条待审核记录
     * - 审核不通过可以重新提交
     * - 所有图片数据不限制格式
     *
     * @param User $user 当前认证用户
     * @param array $data 资质信息数据，包含：
     *        - qual_type: string 资质类型(如：高级按摩师)
     *        - qual_photo: string 资质证书照片
     *        - business_license: string 营业执照照片
     *        - health_cert: string 健康证照片
     * @return array 返回结果，包含：
     *        - message: string 提示信息
     *        - data: array 详细数据
     *            - record_id: int 记录ID
     *            - state: int 状态值
     *            - state_text: string 状态文本
     * @throws \Exception 当验证失败或保存失败时抛出异常
     */
    public function submitQualification($user, array $data)
    {
        // 开启数据库事务
        DB::beginTransaction();
        try {
            // 验证技师信息是否存在
            abort_if(!$user->coach, 404, '技师信息不存在');

            // 检查是否有待审核的记录，避免重复提交
            $pendingRecord = $this->hasPendingRecord($user->coach, 'qual');
            abort_if($pendingRecord, 422, '已有待审核的资质信息记录');

            // 创建新的资质审核记录，设置为待审核状态
            $record = $user->coach->qualRecords()->create(array_merge($data, [
                'state' => TechnicianAuthStatus::AUDITING->value,
            ]));

            // 清除技师信息缓存，确保数据一致性
            $this->clearCoachCache($user->coach->id);

            // 提交事务
            DB::commit();

            // 返回成功结果
            return [
                'message' => '资质信息提交成功',
                'data' => [
                    'record_id' => $record->id,
                    'state' => TechnicianAuthStatus::AUDITING->value,
                    'state_text' => TechnicianAuthStatus::fromValue(TechnicianAuthStatus::AUDITING->value)->label(),
                ]
            ];
        } catch (\Exception $e) {
            // 发生异常时回滚事务
            DB::rollBack();
            throw $e;
        }
    }

    /**
     * 提交实名认证信息
     * 包括姓名(可选)、身份证号(可选)和三张身份证照片的提交和审核
     *
     * 业务流程：
     * 1. 验证技师信息存在性
     * 2. 检查是否有待审核的记录
     * 3. 创建新的实名认证记录
     * 4. 清除相关缓存
     *
     * 注意事项：
     * - 同一时间只能有一条待审核记录
     * - 审核不通过可以重新提交
     * - 所有图片数据不限制格式
     * - 姓名和身份证号为可选字段
     * - 敏感信息会进行脱敏处理
     *
     * @param User $user 当前认证用户
     * @param array $data 实名认证数据，包含：
     *        - real_name: string|null 真实姓名(可选)
     *        - id_card: string|null 身份证号(可选)
     *        - id_card_front_photo: string 身份证正面照片
     *        - id_card_back_photo: string 身份证反面照片
     *        - id_card_hand_photo: string 手持身份证照片
     * @return array 返回结果
     * @throws \Exception 当验证失败或保存失败时抛出异常
     */
    public function submitRealName($user, array $data)
    {
        // 开启数据库事务
        DB::beginTransaction();
        try {
            // 验证技师信息是否存在
            abort_if(!$user->coach, 404, '技师信息不存在');

            // 检查是否有待审核的记录，避免重复提交
            $pendingRecord = $this->hasPendingRecord($user->coach, 'real');
            abort_if($pendingRecord, 422, '已有待审核的实名认证信息');

            // 创建新的实名认证记录，设置为待审核状态
            $user->coach->realRecords()->create(array_merge($data, [
                'state' => TechnicianAuthStatus::AUDITING->value,
            ]));

            // 清除技师信息缓存，确保数据一致性
            $this->clearCoachCache($user->coach->id);

            // 提交事务
            DB::commit();

            // 返回成功结果
            return ['message' => '实名认证信息提交成功'];
        } catch (\Exception $e) {
            // 发生异常时回滚事务
            DB::rollBack();
            throw $e;
        }
    }

    /**
     * 获取技师信息
     */
    public function getCoachInfo($user)
    {
        abort_if(! $user, 404, '用户不存在');
        abort_if(! $user->coach, 404, '技师信息不存在');

        return Cache::remember(
            self::CACHE_KEY_PREFIX . $user->coach->id,
            self::CACHE_TTL,
            function () use ($user) {
                return $this->fetchCoachInfo($user->coach);
            }
        );
    }


    /**
     * 获取技师详细信息
     */
    private function fetchCoachInfo($coach)
    {
        $baseInfo = $coach->infoRecords()->latest()->first();
        $qualification = $coach->qualRecords()->latest()->first();
        $realName = $coach->realRecords()->latest()->first();

        return [
            'base_info' => $baseInfo ? $this->formatBaseInfo($baseInfo) : null,
            'qualification' => $qualification ? $this->formatQualification($qualification) : null,
            'real_name' => $realName ? $this->formatRealName($realName) : null,
        ];
    }

    /**
     * 格式化基本信息
     */
    private function formatBaseInfo($info)
    {
        return [
            'nickname' => $info->nickname,
            'avatar' => $info->avatar,
            'gender' => $info->gender,
            'mobile' => $this->maskMobile($info->mobile),
            'birthday' => $info->birthday,
            'work_years' => $info->work_years,
            'intention_city' => $info->intention_city,
            'introduction' => $info->introduction,
            'state' => $info->state,
            'state_text' => TechnicianAuthStatus::fromValue($info->state)->label(),
            'audit_remark' => $info->audit_remark,
        ];
    }

    /**
     * 格式化资质信息
     *
     * @param object $qual 资质记录对象
     * @return array 格式化后的资质信息
     */
    private function formatQualification($qual)
    {
        return [
            'qual_type' => $qual->qual_type,
            'qual_photo' => $qual->qual_photo,
            'business_license' => $qual->business_license,
            'health_cert' => $qual->health_cert,
            'state' => $qual->state,
            'state_text' => TechnicianAuthStatus::fromValue($qual->state)->label(),
            'audit_remark' => $qual->audit_remark,
        ];
    }

    /**
     * 格式化实名信息
     */
    private function formatRealName($real)
    {
        return [
            'real_name' => $real->real_name,
            'id_card' => $this->maskIdCard($real->id_card),
            'id_card_front_photo' => $real->id_card_front_photo,
            'id_card_back_photo' => $real->id_card_back_photo,
            'id_card_hand_photo' => $real->id_card_hand_photo,
            'state' => $real->state,
            'state_text' => TechnicianAuthStatus::fromValue($real->state)->label(),
            'audit_remark' => $real->audit_remark,
        ];
    }

    /**
     * 手机号脱敏
     */
    private function maskMobile($mobile)
    {
        return substr_replace($mobile, '****', 3, 4);
    }

    /**
     * 身份证脱敏
     */
    private function maskIdCard($idCard)
    {
        return substr_replace($idCard, '****', 6, 8);
    }

    /**
     * 清除技师信息缓存
     */
    private function clearCoachCache($coachId)
    {
        Cache::forget(self::CACHE_KEY_PREFIX . $coachId);
    }

    /**
     * 设置定位信息
     *
     * @param  int  $coachId  技师ID
     * @param  float  $latitude  纬度
     * @param  float  $longitude  经度
     * @param  int  $type  位置类型 (current：1|common：2)
     * @return bool
     *
     * @throws \Exception
     */
    public function setLocation($coachId, $latitude, $longitude, $type = TechnicianLocationType::COMMON->value)
    {
        DB::beginTransaction();
        try {
            // 验证经纬度参数
            if (! is_numeric($latitude) || ! is_numeric($longitude)) {
                throw new \Exception('无效的经纬度坐标');
            }

            // 验证位置类型
            if (! in_array($type, [TechnicianLocationType::CURRENT->value, TechnicianLocationType::COMMON->value])) {
                throw new \Exception('无效的位置类型');
            }

            // 生成Redis键
            $key = $coachId . '_' . $type;

            // 将置信息写入Redis
            $result = Redis::geoadd('coach_locations', $longitude, $latitude, $key);

            // 同时写入数据库保存历史记录
            DB::table('coach_locations')->updateOrInsert(
                ['coach_id' => $coachId, 'type' => $type],
                [
                    'latitude' => $latitude,
                    'longitude' => $longitude,
                    'updated_at' => now(),
                ]
            );

            DB::commit();

            Log::info('技师位置信息设置成功', [
                'coach_id' => $coachId,
                'type' => $type,
                'latitude' => $latitude,
                'longitude' => $longitude,
            ]);

            return $result;
        } catch (\Exception $e) {
            DB::rollBack();
            Log::error('技师位置信息设置异常', [
                'coach_id' => $coachId,
                'latitude' => $latitude,
                'longitude' => $longitude,
                'type' => $type,
                'error' => $e->getMessage(),
                'file' => $e->getFile(),
                'line' => $e->getLine(),
            ]);
            throw $e;
        }
    }

    /**
     * 获取技师位置信息
     *
     * @param  int  $userId  用户ID
     * @return array 位置信息
     */
    public function getLocation($userId)
    {
        try {
            // 改进：直接使用 coach 模型
            $user = MemberUser::find($userId);
            abort_if(! $user, 404, '用户不存在');
            abort_if(! $user->coach, 404, '技师信息不存在');

            // 获取常用位置信息
            $location = $user->coach->locations()
                ->where('type', TechnicianLocationType::COMMON->value)
                ->first();

            $result = [
                'address' => $location ? $location->location : null,
            ];

            // 记录日志
            Log::info('获取技师常用位置信息成功', [
                'coach_id' => $user->coach->id,
                'location' => $result,
            ]);

            return $result;
        } catch (\Exception $e) {
            Log::error('获取技师常用位置信息异常', [
                'coach_id' => $user->coach->id ?? null,
                'error' => $e->getMessage(),
                'file' => $e->getFile(),
                'line' => $e->getLine(),
            ]);
            throw $e;
        }
    }

    /**
     * 设置技师排班时间(每天通用)
     *
     * @param  int  $userId  技师用户ID
     * @param  array  $timeRanges  时间段数组 格式: [
     *                             ['start_time' => '09:00', 'end_time' => '12:00'],
     *                             ['start_time' => '14:00', 'end_time' => '18:00']
     *                             ]
     *
     * @throws \Exception
     */
    public function setSchedule(int $userId, array $timeRanges): array
    {
        return DB::transaction(function () use ($userId, $timeRanges) {
            try {
                // 获取技师信息
                $user = MemberUser::with(['coach'])->findOrFail($userId);
                $coach = $user->coach;
                abort_if(! $coach, 404, '技师信息不存在');

                // 验证并排序时间段
                $sortedRanges = $this->validateAndSortTimeRanges($timeRanges);

                // 创建或更新排班记录
                $schedule = CoachSchedule::updateOrCreate(
                    [
                        'coach_id' => $coach->id,
                    ],
                    [
                        'time_ranges' => json_encode($sortedRanges),
                        'state' => 1,
                    ]
                );

                // 更新Redis缓存
                $this->updateScheduleCache($coach->id, $sortedRanges);

                // 记录日志
                Log::info('技师排班设置成功', [
                    'coach_id' => $coach->id,
                    'time_ranges' => $sortedRanges,
                ]);

                return [
                    'status' => true,
                    'message' => '排班设置成功',
                    'data' => [
                        'coach_id' => $coach->id,
                        'time_ranges' => $sortedRanges,
                        'updated_at' => $schedule->updated_at->toDateTimeString(),
                    ],
                ];
            } catch (\Exception $e) {
                Log::error('技师排班设置败', [
                    'user_id' => $userId,
                    'time_ranges' => $timeRanges,
                    'error' => $e->getMessage(),
                    'trace' => $e->getTraceAsString(),
                ]);
                throw $e;
            }
        });
    }

    /**
     * 验证并排序时间段
     */
    private function validateAndSortTimeRanges(array $timeRanges): array
    {
        // 验证时间段数组
        abort_if(empty($timeRanges), 400, '必须至少设置一个时间段');

        // 验证每个时间段格式并转换为分钟数进行比较
        $ranges = collect($timeRanges)->map(function ($range) {
            abort_if(
                ! isset($range['start_time'], $range['end_time']),
                400,
                '时间段格式错误'
            );

            // 验证时间格式
            foreach (['start_time', 'end_time'] as $field) {
                abort_if(
                    ! preg_match('/^([01][0-9]|2[0-3]):[0-5][0-9]$/', $range[$field]),
                    400,
                    '时间格式错，应为HH:mm格式'
                );
            }

            // 转换为分钟数便于比较
            $startMinutes = $this->timeToMinutes($range['start_time']);
            $endMinutes = $this->timeToMinutes($range['end_time']);

            // 验证时间先后
            abort_if(
                $startMinutes >= $endMinutes,
                400,
                "时间段 {$range['start_time']}-{$range['end_time']} 结束时间必须大于开始时间"
            );

            return [
                'start_time' => $range['start_time'],
                'end_time' => $range['end_time'],
                'start_minutes' => $startMinutes,
                'end_minutes' => $endMinutes,
            ];
        })
            ->sortBy('start_minutes')
            ->values();

        // 验证时间段是否重叠
        $ranges->each(function ($range, $index) use ($ranges) {
            if ($index > 0) {
                $prevRange = $ranges[$index - 1];
                abort_if(
                    $range['start_minutes'] <= $prevRange['end_minutes'],
                    400,
                    "时间段 {$prevRange['start_time']}-{$prevRange['end_time']} 和 " .
                        "{$range['start_time']}-{$range['end_time']} 之间存在重叠"
                );
            }
        });

        // 返回排序后的时间，只保留需要的字段
        return $ranges->map(function ($range) {
            return [
                'start_time' => $range['start_time'],
                'end_time' => $range['end_time'],
            ];
        })->toArray();
    }

    /**
     * 将时间转换为分钟数
     */
    private function timeToMinutes(string $time): int
    {
        [$hours, $minutes] = explode(':', $time);

        return (int) $hours * 60 + (int) $minutes;
    }

    /**
     * 更新Redis缓存
     */
    private function updateScheduleCache(int $coachId, array $timeRanges): void
    {
        try {
            $cacheKey = "coach:schedule:{$coachId}";
            $cacheData = [
                'updated_at' => now()->toDateTimeString(),
                'time_ranges' => $timeRanges,
            ];

            Redis::setex($cacheKey, 86400, json_encode($cacheData));

            // 清除相关的可预约时间段缓存
            $this->clearTimeSlotCache($coachId);
        } catch (\Exception $e) {
            Log::error('更新排班缓存失败', [
                'coach_id' => $coachId,
                'error' => $e->getMessage(),
            ]);
            // 缓存更新失败不影响主流程
        }
    }

    /**
     * 清除可预约时间段缓存
     */
    public function clearTimeSlotCache(int $coachId): void
    {
        try {
            $pattern = "coach:timeslots:{$coachId}:*";
            $keys = Redis::keys($pattern);
            if (! empty($keys)) {
                Redis::del($keys);
            }
        } catch (\Exception $e) {
            Log::error('清除时间段缓存失败', [
                'coach_id' => $coachId,
                'error' => $e->getMessage(),
            ]);
        }
    }

    /**
     * 更改技师工作状态
     *
     * @param  int  $userId  用户ID
     * @param  int  $status  状态(1:休息中 2:工作中)
     */
    public function updateWorkStatus(int $userId, int $status): array
    {
        DB::beginTransaction();
        try {
            // 获取技师信息
            $user = MemberUser::with(['coach', 'coach.infoRecords', 'coach.qualRecords', 'coach.realRecords'])
                ->findOrFail($userId);
            $coach = $user->coach;
            abort_if(! $coach, 404, '技师信息不存在');

            // 验证状态值
            abort_if(! in_array($status, [1, 2]), 400, '无效的状态值');

            // 验证技师认证状态
            $this->validateCoachStatus($coach);

            // 获取当前时间是否在排班时间内
            $isInSchedule = $this->checkScheduleTime($coach->id);

            $currentStatus = $coach->work_status;
            $newStatus = $status;

            // 如果要切换到休息状态
            if ($status === 1) {
                // 验证当前状态是否允许切换到休息
                $this->validateRestStatus($currentStatus);
                $newStatus = TechnicianWorkStatus::REST->value;
            }
            // 如果要切换到工作状态
            elseif ($status === 2) {
                // 验证是否在排班时间内
                abort_if(! $isInSchedule, 422, '当前时间不在排班时间内，无法切换到工作状态');

                // 检查是否有进行中的订单
                $hasActiveOrder = $coach->orders()
                    ->whereIn('state', [
                        OrderStatus::ACCEPTED->value,   // 已接单
                        OrderStatus::DEPARTED->value,   // 已出发
                        OrderStatus::ARRIVED->value,    // 已到达
                        OrderStatus::SERVING->value,    // 服务中
                    ])
                    ->exists();

                // 根据是否有进行中订单决定状态
                $newStatus = $hasActiveOrder ?
                    TechnicianWorkStatus::BUSY->value :
                    TechnicianWorkStatus::FREE->value;
            }

            // 如果状态没有变，则不需要更新
            if ($currentStatus === $newStatus) {
                DB::rollBack();

                return [
                    'status' => true,
                    'message' => '状态未发生变化',
                    'data' => [
                        'work_status' => $newStatus,
                        'work_status_text' => TechnicianWorkStatus::fromValue($newStatus)->label(),
                        'updated_at' => now()->toDateTimeString(),
                    ],
                ];
            }

            // 更新状态
            $coach->work_status = $newStatus;
            $coach->save();

            // 更新Redis缓存
            $this->updateWorkStatusCache($coach->id, $newStatus);

            DB::commit();

            // 记录日志
            Log::info('技师工作状态更新成功', [
                'coach_id' => $coach->id,
                'old_status' => $currentStatus,
                'new_status' => $newStatus,
                'updated_at' => now()->toDateTimeString(),
                'in_schedule' => $isInSchedule,
            ]);

            return [
                'status' => true,
                'message' => '状态更新成功',
                'data' => [
                    'work_status' => $newStatus,
                    'work_status_text' => TechnicianWorkStatus::fromValue($newStatus)->label(),
                    'updated_at' => now()->toDateTimeString(),
                ],
            ];
        } catch (\Exception $e) {
            DB::rollBack();
            Log::error('技师工作状态更新失败', [
                'user_id' => $userId,
                'status' => $status,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString(),
            ]);
            throw $e;
        }
    }

    /**
     * 验证技师认证状态
     */
    private function validateCoachStatus($coach): void
    {
        // 验证基本信息认证
        $baseInfo = $coach->info;
        abort_if(
            ! $baseInfo || $baseInfo->state !== TechnicianAuthStatus::PASSED->value,
            422,
            '基本信息未认证通过'
        );

        // 验证资质认证
        $qualification = $coach->qual;
        abort_if(
            ! $qualification || $qualification->state !== TechnicianAuthStatus::PASSED->value,
            422,
            '资质信息未认证通过'
        );

        // 验证实名认证
        $realName = $coach->real;
        abort_if(
            ! $realName || $realName->state !== TechnicianAuthStatus::PASSED->value,
            422,
            '实名信息未认证通过'
        );
    }

    /**
     * 验证是否可以切换到休息状态
     */
    private function validateRestStatus(int $currentStatus): void
    {
        // 只有在空闲或忙碌状态下才能更改为休息状态
        abort_if(! in_array($currentStatus, [
            TechnicianWorkStatus::FREE->value,
            TechnicianWorkStatus::BUSY->value,
        ]), 422, '当前状态不能更改为休息状态');
    }

    /**
     * 检查当前时间是否在排班时间内
     */
    private function checkScheduleTime(int $coachId): bool
    {
        try {
            $schedule = CoachSchedule::where('coach_id', $coachId)
                ->where('state', 1)
                ->first();

            if (! $schedule) {
                return false;
            }

            $timeRanges = json_decode($schedule->time_ranges, true);
            if (empty($timeRanges)) {
                return false;
            }

            $currentTime = now()->format('H:i');

            foreach ($timeRanges as $range) {
                if ($currentTime >= $range['start_time'] && $currentTime <= $range['end_time']) {
                    return true;
                }
            }

            return false;
        } catch (\Exception $e) {
            Log::error('检查排班时间异常', [
                'coach_id' => $coachId,
                'error' => $e->getMessage(),
            ]);

            return false;
        }
    }

    /**
     * 更新工作状态缓存
     */
    private function updateWorkStatusCache(int $coachId, int $status): void
    {
        try {
            $cacheKey = "coach:work_status:{$coachId}";
            $cacheData = [
                'status' => $status,
                'updated_at' => now()->toDateTimeString(),
            ];

            Redis::setex($cacheKey, 86400, json_encode($cacheData));
        } catch (\Exception $e) {
            Log::error('更新工作状态缓存失败', [
                'coach_id' => $coachId,
                'error' => $e->getMessage(),
            ]);
            // 缓存更新失败不影响主流程
        }
    }

    /**
     * 获取技师工作状态
     *
     * @param  int  $coachId  技师ID
     */
    public function getWorkStatus(int $coachId): array
    {
        try {
            // 验证技师信息
            $coach = CoachUser::find($coachId);

            abort_if(! $coach, 404, '技师不存在');

            // 直接获取技师信息里的work_status
            $workStatus = $coach->work_status;

            return [
                'work_status' => $workStatus,
                'work_status_text' => TechnicianWorkStatus::fromValue($workStatus)->label(),
                'updated_at' => now()->toDateTimeString(),
            ];
        } catch (\Exception $e) {
            Log::error('获取技师工作状态失败', [
                'coach_id' => $coachId,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString(),
            ]);
            throw $e;
        }
    }

    /**
     * 获取技师排班信息
     *
     * @param  int  $userId  用户ID
     */
    public function getSchedule(int $userId): array
    {
        try {
            // 获取技师信息
            $user = MemberUser::with(['coach'])->findOrFail($userId);
            $coach = $user->coach;
            abort_if(! $coach, 404, '技师信息不存在');

            // 先尝试从缓存获取
            $cacheKey = "coach:schedule:{$coach->id}";
            $cached = Redis::get($cacheKey);
            if ($cached) {
                return json_decode($cached, true);
            }

            // 缓存不存在,从数据库获取
            $schedule = CoachSchedule::where('coach_id', $coach->id)
                ->where('state', 1)
                ->first();

            $result = [
                'time_ranges' => $schedule ? json_decode($schedule->time_ranges, true) : [],
                'updated_at' => $schedule ? $schedule->updated_at->toDateTimeString() : now()->toDateTimeString(),
            ];

            // 写入缓存
            Redis::setex($cacheKey, 86400, json_encode($result));

            // 记录日志
            Log::info('获取技师排班信息成功', [
                'coach_id' => $coach->id,
                'schedule' => $result,
            ]);

            return $result;
        } catch (\Exception $e) {
            Log::error('获取技师排班信息失败', [
                'user_id' => $userId,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString(),
            ]);
            throw $e;
        }
    }

    /**
     * 验证技师基础信息
     *
     * @param User $user 用户对象
     * @param bool $throwError 是否抛出异常
     * @return bool
     */
    private function validateBasicCoach($user, bool $throwError = true): bool
    {
        if (!$user || !$user->coach) {
            if ($throwError) {
                abort_if(!$user, 404, '用户不存在');
                abort_if(!$user->coach, 404, '技师信息不存在');
            }
            return false;
        }
        return true;
    }

    /**
     * 检查是否存在审核记录
     *
     * @param CoachUser $coach 技师象
     * @param string $type 记录类型(info|qual|real)
     * @return bool
     */
    private function hasPendingRecord($coach, string $type): bool
    {
        $method = match ($type) {
            'info' => 'infoRecords',
            'qual' => 'qualRecords',
            'real' => 'realRecords',
            default => throw new \InvalidArgumentException('Invalid record type')
        };

        return $coach->{$method}()
            ->where('state', TechnicianAuthStatus::AUDITING->value)
            ->exists();
    }
}