package main

import (
	"flag"
	"fmt"
	"gitea.ckfah.com/go-script/file"
	"gitea.ckfah.com/go-script/logger"
	"gitea.ckfah.com/go-script/scrpit"
	"gitea.ckfah.com/go-script/static"
	"os"
	"path/filepath"
	"strings"
)

var (
	gitRemoteAddress string // 克隆的地址
	branch           string // 克隆的分支
	cloneDir         string // 克隆的地址
	modelName        string // go-mod 项目名称
	helps            bool   // 帮助
	vendor           bool   // 是否使用vendor模式

	log = logger.NewStdOutLogger("[GO-BUILD]")
)

const (
	propertiesFile = "application.properties"
	templateName   = "go-template"
)

func init() {
	flag.StringVar(&modelName, "mod", "go-template", "go mod name, eg:-mod=go-template")
	flag.StringVar(&gitRemoteAddress, "git", "git@gitlab.corp.cjjyProject:ebike-urban-op/go-template.git", "git remote addr, eg:-git=git@gitlab.corp.cjjyProject:ebike-urban-op/go-template.git")
	flag.StringVar(&branch, "branch", "master", "git branch, eg:-branch=master")
	flag.StringVar(&cloneDir, "dir", "", "git clone dir if not set default go mod project name, eg:-dir=/data/temp")
	flag.BoolVar(&vendor, "vendor", false, "use go vendor mod, default disable")
	flag.BoolVar(&helps, "h", false, "this help")
}

func main() {
	// 初始化脚本命令
	initFlag()
	if cloneDir == "" {
		cloneDir = "./" + modelName
	}
	dir, err := filepath.Abs(cloneDir)
	if err != nil {
		log.Fatalf("get clone path err, err: %v", err)
	}
	log.Infof("clone git file into path: %s", dir)

	defer func() {
		if err := recover(); err != nil {
			if err == logger.ExitError {
				scrpit.Delete(dir)
			}
		}
	}()

	// 克隆git
	cloneGit(dir)

	// 重命名项目的一些内容
	err = file.NewTemplate(dir, templateName, modelName)
	if err != nil {
		log.Fatalf("build template err, err: %v", err)
	}
	log.Infof("build template success")

	// 删除模版无效文件
	deleteTemplateFile(dir)

	// copy 配置文件
	initTemplateConfig(dir)

	// 处理vendor模式
	handlerOpenVendor(dir)

	// 处理readme
	scrpit.Mv(join(dir, "README_project.md"), join(dir, "README.md"))
	log.Infof("init project README.md success!")

	// 处理预设定配置文件
	err = writeProperties(dir)
	if err != nil {
		log.Fatalf("copy properties find err, err: %v", err)
	}

	log.Infof(`初始化 git hook 中..... 如果失败请进入项目手动执行！！！  git init && curl -O https://tyut.oss-cn-beijing.aliyuncs.com/static/shell/new-githook.shell && bash new-githook.shell && rm new-githook.shell`)
	str := `cd %s && git init && curl -O https://tyut.oss-cn-beijing.aliyuncs.com/static/shell/new-githook.shell && bash new-githook.shell && rm new-githook.shell`
	shell := fmt.Sprintf(str, dir)
	scrpit.Run(shell)

	log.Infof(`你现在可以进入目录执行， make , 然后请求  curl -H "Content-type: application/json" -X POST -d '{"params":{"id":1}}' http://localhost:13058/report/info`)
	log.Infof(`初始化项目成功，谢谢使用！！！！`)
}

func initTemplateConfig(dir string) {
	scrpit.Copy(join(dir, "config/env.dev.ini"), join(dir, "config/env.ini"))
	scrpit.Copy(join(dir, "config/apollo/apollo.dev.json"), join(dir, "config/apollo/apollo.json"))
	log.Infof("copy config success !")
}

func deleteTemplateFile(dir string) {
	scrpit.Delete(join(dir, ".git"))
	log.Infof("delete .git file success")
}

func cloneGit(dir string) {
	log.Infof("git clone %s to %s\n", gitRemoteAddress, dir)
	if branch == "master" {
		scrpit.Git(gitRemoteAddress, dir)
	} else {
		scrpit.GitBranch(branch, gitRemoteAddress, dir)
	}
	log.Infof("git clone -b %s %s %s success", branch, gitRemoteAddress, dir)
}

func handlerOpenVendor(dir string) {
	if vendor {
		scrpit.Copy(join(dir, ".gitignore_vendor"), join(dir, ".gitignore"))
		scrpit.Copy(join(dir, "Makefile_vendor"), join(dir, "Makefile"))
		log.Infof("copy make file and .gitignore success because enable go mod vendor")
	}
	scrpit.Delete(join(dir, "Makefile_vendor"))
	scrpit.Delete(join(dir, ".gitignore_vendor"))
	log.Infof("handler vendor handler success!")
}

func writeProperties(dir string) error {
	properties, err := static.Asset("static/file/application.properties")
	if err != nil {
		return err
	}
	newProperties := strings.ReplaceAll(string(properties), templateName, modelName)
	propertiesFilePath := join(dir, propertiesFile)
	propertiesFile, err := os.OpenFile(propertiesFilePath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, os.FileMode(0644))
	if err != nil {
		panic(err)
	}
	defer propertiesFile.Close()
	_, err = propertiesFile.Write([]byte(newProperties))
	if err != nil {
		return err
	}
	log.Infof("copy application.properties success，使用 nacos/apollo 需要使用这个配置文件 %s, 复制到配置中心去！", propertiesFilePath)
	return nil
}

func echoLine() {
	fmt.Println()
}

func join(dir, file string) string {
	return filepath.Clean(fmt.Sprintf("%s%s%s", dir, string(os.PathSeparator), file))
}

func initFlag() {
	flag.Parse()
	if helps {
		printHelp()
		os.Exit(-1)
	}
	if modelName == "" {
		log.Infof("please set -mod=your_project_name")
		printHelp()
		os.Exit(-1)
	}
	log.Infof("Init flag success")
}

func printHelp() {
	log.Infof(`\n================go-build  help=====================
go-build -dir=/data/temp -mod=go-template -git=git@gitlab.corp.cjjyProject:ebike-urban-op/go-template.git -branch=gauss -vendor=true
Option:
构建master分支(例如：项目本地地址/data/ebike-op-demo,项目名称为：ebike-op-demo)：
	go-build -dir=/data/ebike-op-demo -mod=ebike-op-demo
构建gauss分支：
    go-build -dir=/data/temp -mod=go-template -branch=gauss
构建vendor项目:
	go-build -dir=/data/temp -mod=go-template -vendor=true

`)
	flag.PrintDefaults()
}