/**
 * common.h — 公共类型定义、枚举、结构体、全局变量声明
 * v43.2 模块化拆分 (编译修复版)
 */
#ifndef COMMON_H
#define COMMON_H

#include <iostream>
#include <iomanip>
#include <sstream>
#include <fstream>
#include <thread>
#include <mutex>
#include <condition_variable>
#include <deque>
#include <list>
#include <stdexcept>
#include <unistd.h>
#include <chrono>
#include <time.h>
#include <functional>
#include <cmath>
#include <climits>
#include <sys/stat.h>
#include <cstdlib>
#include <cstring>
#include <unordered_set>
#include <unordered_map>
#include <memory>
#include <atomic>
#include <csignal>
#include <algorithm>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <ctype.h>
#include <vector>
#include <string>
#include <map>
#include <utility>
#include <ctime>
#include <limits.h>

#include <curl/curl.h>
#include <cjson/cJSON.h>
#include "opencv2/opencv.hpp"
#include <sqlite3.h>
#include <openssl/md5.h>

extern "C" {
#include <libavformat/avformat.h>
#include <libavcodec/avcodec.h>
#include <libavutil/avutil.h>
#include <libavutil/hwcontext.h>
#include <libavutil/hwcontext_drm.h>
#include <libavutil/imgutils.h>
#include <libswscale/swscale.h>
}

// HyperLPR3 SDK
#include "hyper_lpr_sdk.h"

// httplib 前向声明（避免在所有模块中包含大头文件）
namespace httplib { class Server; }

// ==================== 全局常量定义 ====================
// ✅ fix24-v16: Web服务端口从config.ini [server] ip字段解析，不再硬编码
#define WEB_SERVER_PORT_DEFAULT 8080
#define MAX_DB_RECORDS 10000
#define INTERVAL_SECONDS (5 * 60)
#define KEYVALLEN 100

extern int g_max_photo_groups;
const int MAX_UPLOAD_FAIL = 5;
const int BLOCK_TIMEOUT_SEC = 300;
const int PLATE_DUPLICATE_INTERVAL_MS = 2000;
const int REQUIRED_SUCCESS_GROUPS = 2;
const int PHOTO_RETRY_COUNT = 2;
const int HTTP_STATUS_OK = 200;
const int BUSINESS_ERROR_CODE = 257;
const int DB_CLEANUP_THRESHOLD_MB = 500;
const long long DB_CLEANUP_THRESHOLD_BYTES = (long long)DB_CLEANUP_THRESHOLD_MB * 1024 * 1024;
const int TOKEN_EXPIRE_SECONDS = 7200;
const int TOKEN_REFRESH_BUFFER_SECONDS = 300;
const int MAX_BILL_COUNT_PER_WINDOW = 1;
const int MAX_RETRY_COUNT = 5;
const int MAX_UPLOAD_PER_CYCLE = 2;
const int PLATE_CLEANUP_TIMEOUT_SEC = 60;
const int DAILY_CLEANUP_HOUR = 23;
const int DAILY_CLEANUP_MINUTE = 10;
const int STATUS_CLEANUP_INTERVAL_SEC = 600;
const int MAIN_LOOP_BLOCK_THRESHOLD_MS = 500;
const int DB_INSERT_RETRY_COUNT = 1;
const int DB_BUSY_TIMEOUT_MS = 100;
const int DB_HEALTH_CHECK_INTERVAL_SEC = 60;

// ==================== 每日文件清理配置（fix19修改） ====================
const int FILE_CLEANUP_HOUR = 2;          // 凌晨2点执行文件清理
const int FILE_CLEANUP_MINUTE = 0;
// 照片清理：按容量阈值（MB），默认1GB，可通过config.ini配置
extern long long g_photo_max_capacity_mb;
// 日志清理：按天数，默认30天，可通过config.ini配置
extern int g_log_retention_days;

// ==================== 错误码定义 ====================
enum class ErrorCode {
    SUCCESS = 0,
    NETWORK_ERROR = -1,
    BUSINESS_ERROR = -2,
    PARSE_ERROR = -3,
    INVALID_PARAM = -4,
    BLOCKED = -5,
    QUOTA_EXCEEDED = -6,
    DB_ERROR = -7,
    PERMANENT_FAILURE = -8
};

// ==================== 照片上传结果结构体 ====================
struct PhotoUploadResult {
    bool lo_success;
    bool hi_success;
    int success_groups;
    PhotoUploadResult() : lo_success(false), hi_success(false), success_groups(0) {}
};

// ==================== 核心：进站/出站完全独立的状态管理 ====================
struct ScenePlateStatus {
private:
    std::unordered_set<std::string> blocked_plates;
    std::unordered_map<std::string, int> fail_count;
    std::unordered_map<std::string, time_t> block_time;
    mutable std::mutex mtx;

public:
    bool is_blocked(const std::string& plate) {
        std::lock_guard<std::mutex> lock(mtx);
        auto it = blocked_plates.find(plate);
        if (it == blocked_plates.end()) return false;
        if (time(nullptr) >= block_time[plate]) {
            blocked_plates.erase(it);
            fail_count.erase(plate);
            block_time.erase(plate);
            return false;
        }
        return true;
    }

    void add_fail(const std::string& plate) {
        std::lock_guard<std::mutex> lock(mtx);
        fail_count[plate]++;
        if (fail_count[plate] >= MAX_UPLOAD_FAIL) {
            blocked_plates.insert(plate);
            block_time[plate] = time(nullptr) + BLOCK_TIMEOUT_SEC;
        }
    }

    void reset(const std::string& plate) {
        std::lock_guard<std::mutex> lock(mtx);
        blocked_plates.erase(plate);
        fail_count.erase(plate);
        block_time.erase(plate);
    }

    void cleanup_expired() {
        std::lock_guard<std::mutex> lock(mtx);
        time_t now = time(nullptr);
        for (auto it = block_time.begin(); it != block_time.end(); ) {
            if (now >= it->second) {
                blocked_plates.erase(it->first);
                fail_count.erase(it->first);
                it = block_time.erase(it);
            } else ++it;
        }
    }
};

extern ScenePlateStatus g_in_plate_status;
extern ScenePlateStatus g_out_plate_status;

// ==================== ROI配置结构体（v43新增） ====================
struct ROIConfig {
    int x = 0;
    int y = 0;
    int width = 0;
    int height = 0;
    bool enabled = false;

    bool isFullFrame() const {
        return x == 0 && y == 0 && width == 0 && height == 0;
    }
    cv::Rect getRect(int img_w, int img_h) const {
        return cv::Rect(
            std::max(0, std::min(x, img_w - 1)),
            std::max(0, std::min(y, img_h - 1)),
            std::min(width > 0 ? width : img_w, img_w - std::max(0, std::min(x, img_w - 1))),
            std::min(height > 0 ? height : img_h, img_h - std::max(0, std::min(y, img_h - 1)))
        );
    }
    std::string toString() const {
        return "[" + std::to_string(x) + "," + std::to_string(y) + ","
               + std::to_string(width) + "," + std::to_string(height) + "]"
               + (enabled ? " ON" : " OFF");
    }
};

// ==================== 解码模式枚举（v43新增） ====================
enum class DecodeMode {
    AUTO = 0,
    SOFT = 1,
    DRM = 2
};

// ==================== 进站/出站交替锁定机制 ====================
enum class StationMode : int {
    INBOUND_ALLOWED = 0,
    OUTBOUND_ALLOWED = 1
};

struct PlateStationState {
    std::string plate;
    time_t last_in_time;
    time_t last_out_time;
    StationMode current_mode;
    PlateStationState() : last_in_time(0), last_out_time(0),
                          current_mode(StationMode::INBOUND_ALLOWED) {}
};

// ==================== 联单缓存结构 ====================
struct InBillCacheEntry {
    std::string tb_num;
    time_t create_time;
    int hit_count;
    int photo_count;
    bool bill_created;
};

struct OutBillCacheEntry {
    std::string tb_num;
    time_t create_time;
    int hit_count;
    int photo_count;
    bool bill_created;
};

// ==================== 错误恢复策略 ====================
enum class UploadError {
    SUCCESS = 0,
    NETWORK_TIMEOUT,
    NETWORK_CONNECTION_FAILED,
    SERVER_ERROR_4XX,
    SERVER_ERROR_5XX,
    AUTH_FAILED,
    INVALID_RESPONSE,
    IMAGE_TOO_LARGE,
    UNKNOWN_ERROR
};

struct RecoveryStrategy {
    int max_retries;
    int retry_delay_ms;
    bool should_retry;
};

// ==================== 场景上传记录（TIME_WINDOW持久化） ====================
struct SceneUploadRecord {
    int bill_count;
    time_t last_time;
    time_t trigger_time;
    bool bill_created;
    int photo_success_count;
    bool feishu_sent;
    int generation;
    time_t create_time;
    std::string tb_num;

    SceneUploadRecord() : bill_count(0), last_time(0), trigger_time(0),
        bill_created(false), photo_success_count(0), feishu_sent(false),
        generation(0), create_time(time(NULL)) {}
};

// ==================== 监控指标 ====================
struct MonitorMetrics {
    std::atomic<int> createbill_total{ 0 };
    std::atomic<int> createbill_success{ 0 };
    std::atomic<int> createbill_business_error{ 0 };
    std::atomic<int> createbill_quota_exceeded{ 0 };
    std::deque<std::pair<time_t, int>> upload_time_records;
    std::mutex upload_time_mtx;
    std::atomic<int> time_window_hits{ 0 };
    std::atomic<int> in_cache_hits{ 0 };
    std::atomic<int> in_cache_misses{ 0 };
    std::atomic<int> out_cache_hits{ 0 };
    std::atomic<int> out_cache_misses{ 0 };
    std::atomic<int> upload_errors{ 0 };
    std::atomic<int> network_timeouts{ 0 };
    std::atomic<int> server_errors{ 0 };
    std::atomic<int> in_station_count{ 0 };
    std::atomic<int> out_station_count{ 0 };
    std::atomic<int> feishu_success_count{ 0 };
    std::deque<time_t> five_min_upload_times;
    std::mutex five_min_mtx;
    time_t start_time{ 0 };
    std::atomic<long long> main_loop_block_count{ 0 };
    std::atomic<long long> main_loop_max_block_ms{ 0 };
    std::atomic<int> photo_lo_success{ 0 };
    std::atomic<int> photo_hi_success{ 0 };
    std::atomic<int> photo_group_success{ 0 };
    std::atomic<int> db_duplicate_skip_count{ 0 };
    std::atomic<int> dir_create_error_count{ 0 };
    std::atomic<int> db_insert_error_count{ 0 };
    std::atomic<int> db_insert_retry_success{ 0 };
    std::atomic<int> permanent_failure_count{ 0 };
    std::atomic<int> alert_sent_count{ 0 };
    std::atomic<int> db_health_check_count{ 0 };
    // v42新增：交替锁定监控指标
    std::atomic<int> station_lock_in_count{ 0 };
    std::atomic<int> station_lock_out_count{ 0 };
    std::atomic<int> station_in_block_count{ 0 };
    std::atomic<int> station_out_block_count{ 0 };
    std::atomic<int> station_timeout_cleanup_count{ 0 };
    // v43新增：ROI监控指标
    std::atomic<int> roi_in_crop_count{ 0 };
    std::atomic<int> roi_out_crop_count{ 0 };
    std::atomic<int> roi_in_fullframe_count{ 0 };
    std::atomic<int> roi_out_fullframe_count{ 0 };
    // v43新增：飞书/解码/Web监控指标
    std::atomic<int> feishu_skip_count{ 0 };
    std::atomic<int> drm_decode_count{ 0 };
    std::atomic<int> soft_decode_count{ 0 };
    std::atomic<int> web_retry_count{ 0 };
    std::atomic<int> web_retry_success_count{ 0 };
    // fix20新增：推理耗时追踪
    std::deque<std::pair<time_t, int>> infer_time_records;
    std::mutex infer_time_mtx;

    void record_roi_crop(bool is_in) {
        is_in ? roi_in_crop_count++ : roi_out_crop_count++;
    }
    void record_roi_fullframe(bool is_in) {
        is_in ? roi_in_fullframe_count++ : roi_out_fullframe_count++;
    }
    void record_feishu_skip() { feishu_skip_count++; }
    void record_drm_decode() { drm_decode_count++; }
    void record_soft_decode() { soft_decode_count++; }
    void record_web_retry(bool success) {
        web_retry_count++;
        if (success) web_retry_success_count++;
    }

    void record_station_lock(bool is_in) {
        is_in ? station_lock_in_count++ : station_lock_out_count++;
    }
    void record_station_block(bool is_in) {
        is_in ? station_in_block_count++ : station_out_block_count++;
    }
    void record_station_timeout_cleanup() {
        station_timeout_cleanup_count++;
    }

    void record_upload_time(int duration_ms) {
        std::lock_guard<std::mutex> lock(upload_time_mtx);
        upload_time_records.push_back({ time(NULL), duration_ms });
        if (upload_time_records.size() > 10) {
            upload_time_records.pop_front();
        }
    }

    void record_createbill(bool success, bool is_business_error = false, bool is_quota_exceeded = false) {
        createbill_total++;
        if (success) createbill_success++;
        if (is_business_error) createbill_business_error++;
        if (is_quota_exceeded) createbill_quota_exceeded++;
    }

    void record_cache_hit(bool is_in, bool hit) {
        if (is_in) hit ? in_cache_hits++ : in_cache_misses++;
        else hit ? out_cache_hits++ : out_cache_misses++;
    }

    void record_error(UploadError error) {
        upload_errors++;
        switch (error) {
        case UploadError::NETWORK_TIMEOUT: network_timeouts++; break;
        case UploadError::SERVER_ERROR_5XX: server_errors++; break;
        default: break;
        }
    }

    void record_station(bool is_in) {
        is_in ? in_station_count++ : out_station_count++;
    }

    void record_feishu_success() { feishu_success_count++; }

    void record_photo_upload(bool lo_success, bool hi_success, bool group_success) {
        if (lo_success) photo_lo_success++;
        if (hi_success) photo_hi_success++;
        if (group_success) photo_group_success++;
    }

    void record_main_loop_block(long long duration_ms) {
        main_loop_block_count++;
        if (duration_ms > main_loop_max_block_ms.load()) {
            main_loop_max_block_ms.store(duration_ms);
        }
        if (duration_ms > MAIN_LOOP_BLOCK_THRESHOLD_MS) {
            std::cerr << "[告警] 主循环阻塞 " << duration_ms << "ms，超过阈值 "
                      << MAIN_LOOP_BLOCK_THRESHOLD_MS << "ms" << std::endl;
        }
    }

    void record_db_duplicate_skip() { db_duplicate_skip_count++; }
    void record_dir_create_error() { dir_create_error_count++; }
    void record_db_insert_error() { db_insert_error_count++; }
    void record_db_insert_retry_success() { db_insert_retry_success++; }
    void record_permanent_failure() { permanent_failure_count++; }
    void record_alert_sent() { alert_sent_count++; }
    void record_db_health_check() { db_health_check_count++; }

    void record_inference_time(int duration_ms) {
        std::lock_guard<std::mutex> lock(infer_time_mtx);
        infer_time_records.push_back({ time(NULL), duration_ms });
        if (infer_time_records.size() > 20) {
            infer_time_records.pop_front();
        }
    }
    int get_avg_inference_time() {
        std::lock_guard<std::mutex> lock(infer_time_mtx);
        if (infer_time_records.empty()) return 0;
        int total = 0;
        for (auto& p : infer_time_records) total += p.second;
        return total / (int)infer_time_records.size();
    }
    int get_last_inference_time() {
        std::lock_guard<std::mutex> lock(infer_time_mtx);
        if (infer_time_records.empty()) return 0;
        return infer_time_records.back().second;
    }

    int get_avg_upload_time() {
        std::lock_guard<std::mutex> lock(upload_time_mtx);
        if (upload_time_records.empty()) return 0;
        int total = 0;
        for (auto& p : upload_time_records) total += p.second;
        return total / upload_time_records.size();
    }
    float get_createbill_success_rate() {
        int total = createbill_total.load();
        return total > 0 ? (float)createbill_success.load() / total : 0.0f;
    }
    float get_cache_hit_rate(bool is_in) {
        if (is_in) {
            int total = in_cache_hits.load() + in_cache_misses.load();
            return total > 0 ? (float)in_cache_hits.load() / total : 0.0f;
        } else {
            int total = out_cache_hits.load() + out_cache_misses.load();
            return total > 0 ? (float)out_cache_hits.load() / total : 0.0f;
        }
    }
    std::string get_uptime_string() {
        if (start_time == 0) return "0h00m00s";
        auto secs = time(NULL) - start_time;
        int h = secs / 3600; int m = (secs % 3600) / 60; int s = secs % 60;
        std::ostringstream oss;
        oss << h << "h" << std::setfill('0') << std::setw(2) << m << "m" << std::setw(2) << s << "s";
        return oss.str();
    }
    void print_report();
};

extern MonitorMetrics g_metrics;

// ==================== C风格枚举和结构体 ====================
typedef enum {
    BUILDING = 1,
    DOCK = 2,
    BACKFILL = 3
} WTYPE;

typedef enum {
    STATION_IN = 1,
    STATION_OUT = 2
} DTYPE;

typedef enum {
    POSITION_LO = 1,
    POSITION_HI = 2
} GTYPE;

typedef enum {
    CAPTURE_NORMAL = 1,
    CAPTURE_CAMERA_OFFLINE,
    CAPTURE_STORAGE_ERROR,
    CAPTURE_LENS_OBSTRUCTED,
    CAPTURE_ANGLE_ABNORMAL
} CaptureStatus;

typedef struct {
    WTYPE wtype;
    DTYPE dtype;
    GTYPE gtype;
    CaptureStatus status;
    time_t capture_time = 0;  // ✅ fix23: 抓拍时间戳，保存帧被捕获时的时间
} CaptureInfo;

typedef struct {
    std::string tb_num;
    float confidence = 0.0f;
    std::string type;
    std::string code;
    cv::Mat image_front;
    cv::Mat image_side;
    int count = 0;
    bool is_report = false;
    std::string pic_path_front;
    std::string pic_path_side;
    int retry_count = 0;
    std::unique_ptr<CaptureInfo> cap_info_copy;
    time_t first_seen_time = 0;
    int db_id = 0;
    bool is_inbound = false;
    bool is_outbound = false;
    bool photo_saved = false;
    time_t last_station_blocked_time = 0;  // ✅ fix11: 交替锁定拦截时间戳，防止被拦截后空转
    bool blocked_by_station_lock = false;  // ✅ fix13: 区分BLOCKED来源（true=交替锁定, false=is_blocked）
    std::atomic<bool> upload_in_progress{false};  // ✅ fix18-P0: 上传进行中标志，防止peek与try_lock竞态
    time_t upload_complete_time = 0;  // ✅ fix24-v6: 上传完成时间戳，防止刚上传完就被peek重置导致重复保存
    time_t db_capture_time = 0;  // ✅ fix24-v18: 照片保存时固定的capture_time，防止识别线程竞态覆盖导致DB时间不一致
} CarPlateInfo;

// ==================== RTSPCapture 前向声明 ====================
class RTSPCapture;

// ==================== PlateRecApp 结构体 ====================
typedef struct {
    P_HLPR_Context hlpr_ctx;
    RTSPCapture* capture_front_in = nullptr;
    RTSPCapture* capture_front_out = nullptr;
    RTSPCapture* capture_side_in = nullptr;
    RTSPCapture* capture_side_out = nullptr;
    CaptureInfo front_info_in;
    CaptureInfo front_info_out;
    CaptureInfo side_info_in;
    CaptureInfo side_info_out;
    time_t timer_front_in;
    time_t timer_front_out;
    std::mutex map_mtx;
    std::unordered_map<std::string, std::shared_ptr<CarPlateInfo>> map;
} PlateRecApp;

// ==================== 全局变量 extern 声明 ====================
// 路径
extern std::string pathComm;
extern std::string model_path;

// 配置变量
extern std::string project_name;
extern std::string point_number;
extern std::string throughway;
extern std::string rtsp_url_front_in;
extern std::string rtsp_url_front_out;
extern std::string rtsp_url_side_in;
extern std::string rtsp_url_side_out;
extern std::string app_api;
extern std::string app_key;
extern std::string app_secret;
extern int DEBUG_LOG;
extern std::atomic<int> TestFlag;
extern int g_wType;
extern int g_time_window_min;
extern double g_PLATE_CONFIDENCE_THRESHOLD;
extern double g_PLATE_LOG_THRESHOLD;

// v43新增全局变量
extern bool g_alternating_merge_enabled;
extern ROIConfig g_roi_in;
extern ROIConfig g_roi_out;
extern bool g_roi_debug_enabled;
extern DecodeMode g_hw_decode_mode;
extern std::string g_hw_decode_device;
extern std::string g_rtsp_transport;
extern bool g_suppress_emergency_alert;
extern int g_in_out_interval_sec;

// fix24-v8: 共享摄像头模式（进站和出站共用同一个前向摄像头）
// 启用后，根据交替锁定状态自动判断检测到的车牌是进站还是出站
extern bool g_shared_capture_mode;

// fix24-v14: 本地时区偏移（秒），用于SQLite中create_time字符串转Unix时间戳的校正
extern int g_tz_offset_seconds;

// fix18: config.ini路径（用于ROI写回）
extern std::string g_config_ini_path;

// fix18: 称重系统全局变量（config.ini key映射已在config.cpp中匹配）
extern bool g_weight_enabled;
extern bool g_flag_weight;           // fix27: 飞书消息是否包含重量信息（config.ini: flagWeight=1）
extern double g_weight_threshold_in;
extern double g_weight_threshold_out;
extern double g_weight_default_entry;
extern double g_weight_default_exit;
extern int g_weight_detection_time;
extern int g_weight_tcp_connect_timeout;
extern std::string g_weight_server_ip;
extern int g_weight_server_port;
extern double g_weight_max_kg;
extern double g_weight_min_kg;
extern int g_weight_stable_samples;
extern double g_weight_stable_threshold;
extern int g_weight_candidate_count;
extern int g_weight_max_retries;
extern int g_weight_retry_delay_ms;

// fix18: MQTT全局变量
extern bool g_mqtt_enabled;
extern std::string g_mqtt_host;
extern int g_mqtt_port;
extern std::string g_mqtt_username;
extern std::string g_mqtt_password;
extern std::string g_mqtt_topic;
extern std::string g_mqtt_client_id;
// MQTT消息附加字段（从[MQTT]节点读取）
extern std::string g_plate_color;
extern std::string g_vehicle_type;

// ==================== fix24 v43: [sync] 并行同步配置 ====================
extern bool g_sync_parallel_enabled;        // [sync] enabled (0=退回v41串行, 1=启用v43并行)
extern int  g_sync_reporter_timeout_sec;    // Reporter 等待两路结果超时（秒）
extern int  g_sync_weight_retry_max;        // 重量独立重试最大次数
extern int  g_sync_weight_retry_interval_sec; // 重量重试间隔（秒）
extern int  g_sync_tb_num_dedup_sec;        // tb_num 去重窗口（秒）
extern int  g_sync_weight_snapshot_max_age_sec; // fix24 v43 Bug#18: 重量快照最大年龄（秒）

// ==================== fix24 v44 P0: 预检测锁定配置 ====================
// 地磅场景：车辆整体开上秤台，重量一次性加载，不存在半上秤误判
// TCP线程每200ms采样，连续 prelock_stable_samples 个样本稳定且 > prelock_threshold_kg 即锁定
// 车牌检测后优先消费预锁定值（0等待），未命中再走快照→阻塞等待
extern double g_weight_prelock_threshold_kg;   // 预检测触发阈值(kg)，0=禁用
extern int    g_weight_prelock_stable_samples;  // 预检测锁定时需要的连续稳定样本数

// 交替锁定
extern std::map<std::string, PlateStationState> g_plate_station_cache;
extern std::mutex g_station_cache_mtx;
extern const int STATION_CLEANUP_INTERVAL_SEC;
const int STATION_LOCK_EXPIRE_SEC = 7200;   // ✅ fix18: 交替锁定记录2小时过期，超时清零
// ✅ fix16: 移除OUT_NO_RECORD_TIMEOUT_SEC和g_out_no_record_first_seen
// 出站无进站记录永远拦截，不再需要超时放行机制

// 帧级别去重
extern std::unordered_map<std::string, time_t> g_in_plate_last_processed;
extern std::unordered_map<std::string, time_t> g_out_plate_last_processed;
extern std::mutex g_in_plate_last_processed_mtx;
extern std::mutex g_out_plate_last_processed_mtx;

// 飞书
extern bool g_feishu_enabled;        // fix27: 飞书消息独立开关（config.ini: [feishu] ENABLED=1）
extern std::string g_feishu_app_id;
extern std::string g_feishu_app_secret;
extern std::string g_feishu_chat_id;
extern long g_feishu_timeout_second;

// 联单缓存
extern std::unordered_map<std::string, InBillCacheEntry> g_in_bill_cache;
extern std::mutex g_in_bill_cache_mtx;
extern std::unordered_map<std::string, OutBillCacheEntry> g_out_bill_cache;
extern std::mutex g_out_bill_cache_mtx;
extern std::unordered_map<std::string, int> g_in_record;
extern std::mutex g_in_record_mtx;
extern std::unordered_map<std::string, int> g_out_record;
extern std::mutex g_out_record_mtx;

// 场景上传记录
extern std::unordered_map<std::string, SceneUploadRecord> g_in_upload_records;
extern std::unordered_map<std::string, SceneUploadRecord> g_out_upload_records;

// 特殊车牌
extern std::vector<std::string> g_special_plates;
extern std::mutex g_special_plates_mtx;

// 重试队列
extern std::deque<std::shared_ptr<CarPlateInfo>> g_retry_queue;
extern std::mutex g_retry_queue_mtx;

// 数据库
extern sqlite3* g_db;
extern std::mutex g_db_mtx;
extern std::string g_db_path;

// Token
extern std::string g_tenant_token;
extern std::atomic<time_t> g_token_expire_time;
extern std::mutex g_token_mtx;

// 全局状态
extern volatile std::sig_atomic_t g_running;
extern std::atomic<time_t> g_last_data_activity_time;

// PlateRecApp实例
extern PlateRecApp plate_rec_app;
extern uint32_t count;
extern std::atomic<int> g_active_detach_threads;

// Web服务器
extern std::unique_ptr<std::thread> g_web_server_thread;
extern std::unique_ptr<httplib::Server> g_web_server;
extern std::atomic<bool> g_web_server_running;
extern std::atomic<bool> g_web_server_initialized;

// ✅ fix24-v19: HTTP重定向服务器（HTTP->HTTPS自动跳转）
extern std::unique_ptr<std::thread> g_http_redirect_thread;
extern std::unique_ptr<httplib::Server> g_http_redirect_server;

// fix24-v12: HTTPS/SSL配置
extern bool g_ssl_enabled;
extern std::string g_ssl_cert_path;
extern std::string g_ssl_key_path;

// ✅ fix24-v16: Web服务端口（从config.ini [server] ip字段解析）
extern int g_web_server_port;

// ✅ fix24 功能一：登录认证系统全局对象
// 必须在 httplib.h 被 include 之前定义 OpenSSL 宏（auth_middleware.h 会触发 httplib.h 包含）
#ifndef CPPHTTPLIB_OPENSSL_SUPPORT
#define CPPHTTPLIB_OPENSSL_SUPPORT
#endif
#include "auth_db.h"
#include "auth_session.h"
#include "auth_rate_limiter.h"
#include "auth_middleware.h"
extern auth::AuthDB *g_auth_db;
extern auth::SessionManager *g_session_mgr;
extern auth::RateLimiter *g_rate_limiter;
extern auth::AuthMiddleware *g_auth_middleware;
extern bool g_auth_enabled;  // 是否启用认证（config.ini [auth] enabled）
extern std::string g_auth_db_path;  // 认证数据库路径（config.ini [auth] db_path）

// ==================== 系统监控配置 (config.ini [system]) ====================
extern int g_sys_monitor_interval;       // 监控采样间隔（秒）
extern int g_sys_temp_alert_threshold;   // 温度告警阈值（°C）
extern int g_sys_cpu_alert_threshold;    // CPU告警阈值（%）
extern std::string g_sys_db_path;        // 系统监控数据库路径
extern int g_sys_history_retention_days; // 全量数据保留天数
extern int g_sys_aggregation_retention_days; // 聚合数据保留天数
extern std::string g_sys_flush_time;      // 每日刷盘时间（HH:MM，默认23:20）

// ==================== frpc 管理配置 (config.ini [frpc]) ====================
extern std::string g_frpc_config_path;       // frpc.toml 路径
extern std::string g_frpc_backup_path;       // 备份路径
extern std::string g_frpc_protected_tunnels; // 受保护隧道列表
extern int g_frpc_restart_check_timeout;     // 重启后等待检测时间（秒）
extern bool g_frpc_auto_rollback;            // 重启失败自动回滚
extern bool g_frpc_web_enabled;              // Web管理页面开关
extern std::string g_frpc_admin_addr;        // frpc admin API 地址
extern int g_frpc_admin_port;                // frpc admin API 端口
extern std::string g_frpc_admin_user;        // frpc admin 用户名
extern std::string g_frpc_admin_password;    // frpc admin 密码

// ==================== 终端/SSH 配置 (config.ini [terminal]) ====================
extern int g_ttyd_port;                  // ttyd 端口
extern std::string g_ttyd_credential;    // ttyd 凭证 (user:pass)
extern int g_ttyd_max_clients;           // ttyd 最大客户端数
extern std::string g_ssh_keys_path;      // authorized_keys 路径

// ==================== 日志管理配置 (config.ini [log]) ====================
extern int g_log_buffer_size_mb;         // 日志缓冲区大小（MB）
extern std::string g_log_flush_time;     // 日志写回时间（HH:MM）
extern std::string g_log_file;           // 日志文件路径
// g_log_retention_days 已在 fix19 中声明（第106行），此处不重复声明
extern bool g_log_redirect_stdout;       // 是否重定向 stdout/stderr
// ✅ fix24-v36: 内存日志缓冲新增配置
extern bool g_log_enabled;               // 是否启用内存日志模式（1=内存, 0=直写文件）
extern bool g_log_auto_flush_on_exit;    // 程序退出时是否自动刷盘

// 数据库记录结构
struct DbRecord {
    int id;
    std::string create_time;
    time_t capture_time = 0;  // ✅ fix24-v13: 抓拍时刻Unix时间戳
    std::string plate_number;
    std::string tb_num;
    int station_type;
    std::string lo_photo_path;
    std::string hi_photo_path;
    int lo_upload_status;
    int hi_upload_status;
    int feishu_status;
    int retry_count;
};

// 重试结果
struct RetryResult {
    bool success = false;
    std::string message;
    std::string tb_num;
    int uploaded_photos = 0;
};

#endif // COMMON_H