package main

import (
	_ "embed"
	"flag"
	"fmt"
	"git.diulo.com/mogfee/kit/cmd/mysql-kit/core"
	"git.diulo.com/mogfee/kit/core/pathx"
	"git.diulo.com/mogfee/kit/mysql/ddl"
	"os"
	"os/exec"
	"strings"
)

//go:embed template.tpl
var templateContent string

//go:embed custom.tpl
var customContent string

func main() {
	sqlFile := flag.String("f", "/Users/mogfee/web/sendmail_server_new/test_gozero.sql", "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)

	if err := core.VarsFile(*savePath); err != nil {
		panic(err)
	}
	err := ddl.Parser(*sqlFile, func(table *ddl.Table) error {
		//table.Imports = append(table.Imports, "git.diulo.com/mogfee/kit/errors")
		//modelFileName := fmt.Sprintf("%s/%s_model_gen.go", strings.TrimRight(*savePath, "/"), table.Name)
		modelGenFile := fmt.Sprintf("%s/%smodel_gen.go", strings.TrimRight(*savePath, "/"), filename(table.Name))
		modelFile := fmt.Sprintf("%s/%smodel.go", strings.TrimRight(*savePath, "/"), filename(table.Name))
		table.Imports = append(table.Imports, "gorm.io/gorm")
		table.Imports = append(table.Imports, "context")

		table.Indexes = filterIndex(table.Indexes)

		if err := saveFile(modelGenFile, templateContent, table, false); err != nil {
			return err
		}

		if err := saveFile(modelFile, customContent, table, true); err != nil {
			return err
		}
		return nil
	})
	if err != nil {
		panic(err)
	}

	exec.Command("gofmt", "-l", "-w", *savePath+"/..").Run()
}
func filename(tableName string) string {
	return strings.ToLower(strings.Join(strings.Split(tableName, "_"), ""))
}
func filterIndex(index []*ddl.TableIndex) []*ddl.TableIndex {
	idxs := make([]*ddl.TableIndex, 0)
	for _, v := range index {
		if v.IsUnique {
			idxs = append(idxs, v)
		}
	}
	return idxs
}
func saveFile(fileName string, templateContent string, table *ddl.Table, isOnce bool) error {
	if isOnce {
		if pathx.Exists(fileName) {
			return nil
		}
	}

	f, err := os.Create(fileName)
	if err != nil {
		return err
	}
	defer f.Close()
	return core.SaveFile(f, templateContent, table)
}