package version

import (
	"bufio"
	"net/http"
	"os"
	"strconv"
	"strings"
)

type Version struct {
	Big   int
	Small int
	Debug int
}

const (
	versionPath    = "http://192.168.5.35:6801/share/%E8%8B%8F%E9%80%9A/work_cation_v.txt"
	defaultVersion = "0.0.0"
	versionSave    = "version.txt"
)

var NowVersion = "0.0.1"
var NewVersion = "0.0.0"

func GetNewVersion(path string) (string, error) {
	return GetUrl(path)
}

func GetOldVersion(path string) (string, error) {
	return GetFile(path)
}

func PauseVersion(varsionStr string) (Version, error) {
	varSplit := strings.Split(varsionStr, ".")

	big, err := strconv.Atoi(varSplit[0])
	if err != nil {
		return Version{}, err
	}
	small, err := strconv.Atoi(varSplit[1])
	if err != nil {
		return Version{}, err
	}
	debug, err := strconv.Atoi(varSplit[2])
	if err != nil {
		return Version{}, err
	}
	version := Version{
		Big:   big,
		Small: small,
		Debug: debug,
	}
	return version, nil
}

func GetUrl(url string) (string, error) {
	resp, err := http.Get(url)
	if err != nil {
		return "", err
	}
	defer resp.Body.Close()
	sc := bufio.NewScanner(resp.Body)
	var result string
	for sc.Scan() {
		result += sc.Text()
	}
	return result, nil
}

func GetFile(path string) (string, error) {
	file, err := os.Open(path)
	if err != nil {
		return "", err
	}
	defer file.Close()
	sc := bufio.NewScanner(file)
	var result string
	for sc.Scan() {
		result += sc.Text()
	}
	return result, nil
}

func WriteFile(path, context string) {
	file, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE, 0666)
	if err != nil {
		return
	}
	defer file.Close()
	file.WriteString(context)

}