package main

import (
	"encoding/json"
	"io/ioutil"
	"os"

	"os/exec"

	log "github.com/cihub/seelog"
	"github.com/jlaffaye/ftp"
)

type Config struct {
	Host string `json:"host"`
	User string `json:"user"`
	Pass string `json:"pass"`
	File string `json:"file"`
}

func initLogger() {
	config := `
	<seelog type="sync">
	    <outputs>
	        <filter levels="trace,debug,info">
	            <console formatid="ltsv"/>
	        </filter>
	        <filter levels="warn,error,critical">
	            <console formatid="ltsv_error"/>
	        </filter>
	        <file formatid="ltsv" path="result.log"/>
	    </outputs>
	    <formats>
	        <format id="ltsv" format="time:%Date(2006-01-02T15:04:05.000Z07:00)%tlev:%l%tmsg:%Msg%n"/>
	        <format id="ltsv_error"
	            format="%EscM(31)time:%Date(2006-01-02T15:04:05.000Z07:00)%tlev:%l%tmsg:%Msg%EscM(0)%n"/>
	    </formats>
	</seelog>`

	logger, err := log.LoggerFromConfigAsBytes([]byte(config))
	if err != nil {
		panic(err)
	}
	log.ReplaceLogger(logger)
}

func main() {
	initLogger()
	defer log.Flush()

	config, err := readConfig()
	if err != nil {
		panic(err)
	}
	startRoutine(config)
}

func readConfig() (Config, error) {
	var config Config
	file, err := ioutil.ReadFile("config.json")
	if err != nil {
		return config, err
	}
	json.Unmarshal(file, &config)
	return config, err
}

func startRoutine(config Config) {
	//	ファイル圧縮
	if commpressFiles(config) {
		//	ＦＴＰ送信
		ftpPut(config)
	}
}

func commpressFiles(config Config) bool {
	p, _ := os.Getwd()
	command := "\"C:\\Program Files (x86)\\Lhaplus\\Lhaplus.exe\" /c:lzh /o:.\\" + config.File + " " + p + `\files\a.txt`
	log.Infof("command=%s", command)
	_, err := exec.Command(command).Output()
	if err != nil {
		log.Info(err)
		return false
	}
	return true
}

func ftpPut(config Config) {
	log.Infof("Connect %s", config.Host)
	client, err := ftp.Connect(config.Host)
	if err != nil {
		log.Info(err)
		return
	}
	defer client.Quit()

	log.Infof("Login user=%s pass=%s", config.User, config.Pass)
	err = client.Login(config.User, config.Pass)
	if err != nil {
		log.Info(err)
		return
	}

	log.Infof("open file=%s ", config.File)
	file, err := os.Open(config.File)
	if err != nil {
		log.Info(err)
		return
	}

	log.Info("put!!!")
	err = client.Stor(config.File, file)
	if err != nil {
		log.Info(err)
		return
	}
}