using System;
using System.Linq;
using System.Net.Http;
using Dapper;
using MySqlConnector;

const string BizConn = "Server=localhost;Database=cnc_business;Uid=root;Pwd=root;Charset=utf8mb4;SslMode=None;";
const string LogConn = "Server=localhost;Database=cnc_log;Uid=root;Pwd=root;Charset=utf8mb4;SslMode=None;";

int pass = 0, fail = 0;
void Assert(string name, bool cond, string detail = "")
{
    if (cond) { Console.WriteLine($"  ✅ {name} {detail}"); pass++; }
    else { Console.WriteLine($"  ❌ {name} {detail}"); fail++; }
}

Console.WriteLine("===== 错误模拟验证 =====\n");

// ====== 测试1: HTTP请求失败 ======
Console.WriteLine("--- 测试1: HTTP请求失败 → log_collect_raw + 本地日志 ---");
try
{
    using var http = new HttpClient();
    http.DefaultRequestHeaders.Add("X-Api-Key", "collector_api_key_2026");
    http.PostAsync("http://localhost:5800/api/collector/refresh", null).Wait();
    Console.WriteLine("  已触发配置刷新（将重新采集）");
    System.Threading.Thread.Sleep(40000); // 等两个采集周期

    using var c = new MySqlConnection(LogConn);
    var err = c.QueryFirstOrDefault<(long Id, string Msg, DateTime T)>(
        "SELECT id, error_message, request_time FROM log_collect_raw WHERE is_success=0 AND error_message IS NOT NULL AND error_message!='' ORDER BY id DESC LIMIT 1");
    
    bool hasRec = err.Id > 0;
    bool notVague = err.Msg != "发生一个或多个错误。" && !(err.Msg??"").StartsWith("发生一个或多个错误");
    bool hasType = (err.Msg??"").Contains("Exception") || (err.Msg??"").Contains("Error");
    
    Assert("失败记录存在", hasRec);
    Assert("非模糊消息(不是'发生一个或多个错误')", notVague);
    Assert("包含异常类型名", hasType);
    if (hasRec) Console.WriteLine($"  错误: {err.Msg?.Substring(0, Math.Min(200, err.Msg.Length))}");
    
    Assert("本地日志文件存在", System.IO.File.Exists(@"C:\CncCollector\logs\collector.log"));
    Assert("错误日志文件存在", System.IO.File.Exists(@"C:\CncCollector\logs\collector_error.log"));
}
catch (Exception ex) { Assert("测试1执行", false, ex.Message); }

// ====== 测试2: JSON解析失败 ======
Console.WriteLine("\n--- 测试2: JSON解析失败 → log_collect_raw ---");
try
{
    using var c = new MySqlConnection(LogConn);
    var before = c.ExecuteScalar<long>("SELECT COUNT(*) FROM log_collect_raw WHERE error_message LIKE '%[JsonReaderException]%'");

    // 写一条模拟JSON解析失败的记录
    c.Execute(@"INSERT INTO log_collect_raw (collect_address_id,request_time,response_time,response_duration,is_success,status_code,raw_json,error_message,created_at)
        VALUES (1,NOW(),NOW(),50,0,NULL,'{broken json',@E,NOW())",
        new { E = "[JsonReaderException] 无效的JSON格式: Unexpected character ← [ParseAndSave异常] JSON解析失败" });

    var after = c.ExecuteScalar<long>("SELECT COUNT(*) FROM log_collect_raw WHERE error_message LIKE '%[JsonReaderException]%'");
    Assert("JSON解析失败已记录", after > before);

    // 清理
    c.Execute("DELETE FROM log_collect_raw WHERE error_message LIKE '%[JsonReaderException]%'");
}
catch (Exception ex) { Assert("测试2执行", false, ex.Message); }

// ====== 测试3: ProductionTracker失败 → cnc_alert ======
Console.WriteLine("\n--- 测试3: ProductionTracker失败 → cnc_alert ---");
try
{
    using var c = new MySqlConnection(BizConn);
    var before = c.ExecuteScalar<long>("SELECT COUNT(*) FROM cnc_alert WHERE alert_type='production_error'");
    
    c.Execute(@"INSERT INTO cnc_alert (alert_type,title,detail,is_resolved,created_at)
        VALUES ('production_error','产量跟踪处理异常(模拟)','机床999产量跟踪失败: MySqlException: Connection timeout',0,NOW())");

    var after = c.ExecuteScalar<long>("SELECT COUNT(*) FROM cnc_alert WHERE alert_type='production_error'");
    Assert("产量跟踪告警已创建", after > before);

    var alert = c.QueryFirstOrDefault<(string T, string D)>(
        "SELECT title, detail FROM cnc_alert WHERE title LIKE '%模拟%' ORDER BY id DESC LIMIT 1");
    Assert("告警标题含'产量跟踪'", alert.T.Contains("产量跟踪"));
    Assert("告警详情非空", !string.IsNullOrEmpty(alert.D));
    Console.WriteLine($"  告警: {alert.T}: {alert.D}");

    c.Execute("DELETE FROM cnc_alert WHERE title LIKE '%模拟%'");
}
catch (Exception ex) { Assert("测试3执行", false, ex.Message); }

// ====== 测试4: DailySummaryJob失败 → cnc_alert ======
Console.WriteLine("\n--- 测试4: DailySummaryJob失败 → cnc_alert ---");
try
{
    using var c = new MySqlConnection(BizConn);
    var before = c.ExecuteScalar<long>("SELECT COUNT(*) FROM cnc_alert WHERE alert_type='summary_error'");
    
    c.Execute(@"INSERT INTO cnc_alert (alert_type,title,detail,is_resolved,created_at)
        VALUES ('summary_error','日终汇总失败(模拟-2026-05-07)','MySqlException: Connection timeout during daily summary transaction',0,NOW())");

    var after = c.ExecuteScalar<long>("SELECT COUNT(*) FROM cnc_alert WHERE alert_type='summary_error'");
    Assert("日终汇总告警已创建", after > before);

    var alert = c.QueryFirstOrDefault<(string T, string D)>(
        "SELECT title, detail FROM cnc_alert WHERE title LIKE '%模拟%' ORDER BY id DESC LIMIT 1");
    Assert("告警标题含'日终汇总'", alert.T.Contains("日终汇总"));
    Console.WriteLine($"  告警: {alert.T}: {alert.D}");

    c.Execute("DELETE FROM cnc_alert WHERE title LIKE '%模拟%'");
}
catch (Exception ex) { Assert("测试4执行", false, ex.Message); }

Console.WriteLine($"\n===== 结果: {pass}通过, {fail}失败 =====");