package main

import (
	_ "embed"
	"flag"
	"fmt"
	"git.diulo.com/mogfee/kit/mysql/ddl"
	"git.diulo.com/mogfee/kit/stringx"
	"html/template"
	"os"
	"os/exec"
	"strings"
)

//go:embed template.tpl
var modelTemplate string

func main() {
	sqlFile := flag.String("f", "", "数据库创建mysqldump文件")
	savePath := flag.String("s", "./model/", "数据库存储路径")
	flag.Parse()
	fmt.Println("sqlfile:", *sqlFile)
	fmt.Println("savePath:", *savePath)
	if *sqlFile == "" {
		return
	}
	os.MkdirAll(*savePath, os.ModePerm)
	err := ddl.Parser(*sqlFile, func(table *ddl.Table) error {
		table.Imports = append(table.Imports, "gorm.io/gorm")
		table.Imports = append(table.Imports, "context")
		//table.Imports = append(table.Imports, "git.diulo.com/mogfee/kit/errors")
		saveFileName := fmt.Sprintf("%s/%s_gen.go", strings.TrimRight(*savePath, "/"), table.Name)
		tmp, err := template.New("").Funcs(map[string]any{
			"UpperType": func(str string) string {
				return stringx.Ucfirst(ddl.GoName(str))
			},
			"LowerType": func(str string) string {
				if str == "type" {
					str = "vtype"
				}
				return stringx.Lcfirst(ddl.GoName(str))
			},
			"UpdateColumn": func(columns []*ddl.TableColumn) string {
				arr := []string{}
				for _, v := range columns {
					arr = append(arr, fmt.Sprintf("%s=?", v.Name))
				}
				return strings.Join(arr, " and ")
			},
		}).Parse(modelTemplate)
		if err != nil {
			return err
		}
		//ddl.PrintJson(table)
		//table.Primary.GoType
		//fmt.Println(table.Primary)
		f, err := os.Create(saveFileName)
		if err != nil {
			return err
		}
		defer f.Close()
		return tmp.Execute(f, table)
	})
	if err != nil {
		panic(err)
	}

	exec.Command("gofmt", "-l", "-w", *savePath+"/..").Run()

}