//go:build createApp

package server

import (
	"bytes"
	"fmt"
	"log"
	"text/template"

	"IotAdmin/core/sdk/pkg"
	"IotAdmin/core/sdk/pkg/utils"
	_ "IotAdmin/migration/version"
	_ "IotAdmin/migration/version-local"

	"github.com/spf13/pflag"
)

var (
	//获取命令行参数
	appName = pflag.StringP("name", "n", "", "选择租户域名")
)

func Init() {
	if *appName == "" {
		fmt.Println(`请输入应用名称 -n={应用名称}`)
		log.Println("arg `name` invalid ：name is empty")
	} else {
		err := setup(*appName)
		if err != nil {
			log.Println("创建应用失败：" + err.Error())
		}
	}

}

func setup(name string) error {

	path := "app/"
	appPath := path + name
	fmt.Println(`开始创建应用 => ` + appPath)
	err := utils.IsNotExistMkDir(appPath)
	if err != nil {
		return err
	}
	apiPath := appPath + "/apis/"
	err = utils.IsNotExistMkDir(apiPath)
	if err != nil {
		return err
	}
	modelsPath := appPath + "/models/"
	err = utils.IsNotExistMkDir(modelsPath)
	if err != nil {
		return err
	}
	routerPath := appPath + "/router/"
	err = utils.IsNotExistMkDir(routerPath)
	if err != nil {
		return err
	}
	servicePath := appPath + "/service/"
	err = utils.IsNotExistMkDir(servicePath)
	if err != nil {
		return err
	}
	dtoPath := appPath + "/service/dto/"
	err = utils.IsNotExistMkDir(dtoPath)
	if err != nil {
		return err
	}

	tInitRouter, err := template.ParseFiles("template/router.init.template")
	if err != nil {
		return err
	}
	m := map[string]string{}
	m["appName"] = name
	var bInitRouter bytes.Buffer
	err = tInitRouter.Execute(&bInitRouter, m)
	pkg.FileCreate(bInitRouter, "./app/router/"+name+".go")
	tRouter, err := template.ParseFiles("template/router.app.template")
	var bRouter bytes.Buffer
	err = tRouter.Execute(&bRouter, nil)
	pkg.FileCreate(bRouter, appPath+"/router/router.go")
	fmt.Println(name + ` 应用创建成功`)
	return nil
}