package main

import (
	"fmt"
	"net"
	"os"
	"strings"
	"time"
)

const appVersion = "2.0.0"

const mutexName = "Global\\DeepSeekTraySingleton"

func main() {
	args := os.Args[1:]
	cfg := loadConfig()
	log := NewLogger()
	defer log.Close()
	log.Printf("=== deepseek-tray %s 启动 args=%v ===", appVersion, args)

	if len(args) > 0 {
		switch strings.ToLower(strings.TrimLeft(args[0], "-/")) {
		case "version":
			attachConsole()
			fmt.Println(appVersion)
			return
		case "status":
			attachConsole()
			printStatus(cfg, log)
			return
		case "daemon":
			runDaemon(cfg, log)
			return
		}
	}

	inst, ok := acquireSingleInstance(mutexName)
	if !ok {
		attachConsole()
		fmt.Println("deepseek-tray 已在运行（托盘或守护进程）")
		return
	}
	defer inst.release()

	runTray(cfg, log)
}

// runDaemon 无 UI 守护模式（适合 NSSM 注册为 Windows 服务）。
func runDaemon(cfg *Config, log *Logger) {
	log.Printf("以守护模式启动（无托盘）")
	inst, ok := acquireSingleInstance(mutexName)
	if !ok {
		log.Printf("已有实例在运行，退出")
		return
	}
	defer inst.release()

	sup := NewSupervisor(cfg, log)
	sup.Start()
	if cfg.AutoUpdate {
		sup.startAutoUpdate()
	}
	select {}
}

// printStatus 命令行状态查询。
func printStatus(cfg *Config, log *Logger) {
	sup := NewSupervisor(cfg, log)
	version := sup.installedVersion()
	if version == "" {
		version = "未知（未找到 dsh）"
	}
	url := fmt.Sprintf("http://%s:%d", cfg.WebHost, cfg.WebPort)
	fmt.Printf("deepseek-tray %s\n", appVersion)
	fmt.Printf("DSH 版本    : %s\n", version)
	fmt.Printf("Web 地址    : %s\n", url)
	fmt.Printf("端口监听    : %v\n", portOpen(cfg.WebHost, cfg.WebPort))
	fmt.Printf("开机自启    : %v\n", isAutoStartEnabled())
	fmt.Printf("定期自动更新: %v（间隔 %d 小时）\n", cfg.AutoUpdate, cfg.UpdateIntervalH)
	fmt.Printf("配置文件    : %s\n", configPath())
	fmt.Printf("日志文件    : %s\n", log.Path())
}

func portOpen(host string, port int) bool {
	if host == "" {
		host = "127.0.0.1"
	}
	conn, err := net.DialTimeout("tcp", fmt.Sprintf("%s:%d", host, port), 1500*time.Millisecond)
	if err != nil {
		return false
	}
	_ = conn.Close()
	return true
}