package core

import (
	"fmt"
	"git.diulo.com/mogfee/kit/mysql/ddl"
	"git.diulo.com/mogfee/kit/stringx"
	"html/template"
	"io"
	"strings"
)

func SaveFile(w io.Writer, templateContent string, table *ddl.Table) error {
	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(templateContent)
	if err != nil {
		return err
	}
	return tmp.Execute(w, table)
}