package ddl

type TableColumn struct {
	Name      string
	Type      string
	GoType    string
	Default   string
	Comment   string
	IsPrimary bool
	IsNotNull bool
	IsDefault bool
}

func (t *TableColumn) GetDefault() string {
	if t.Default == "0" {
		return ""
	}
	if t.Default == "0000-00-00 00:00:00" {
		return ""
	}
	return t.Default
}
func (t *TableColumn) GetTypeStr() string {
	switch t.Type {
	case "bigint":
		return "int64"
	case "datetime", "timetime", "date", "timestamp":
		return "time.Time"
	case "tinyint", "smallint", "int":
		return "int32"
	case "varchar", "char", "text", "longtext":
		return "string"
	case "float":
		return "float32"
	case "decimal":
		return "float64"
	}
	return t.Type
}

func (t *TableColumn) GetTypeImport() string {
	switch t.Type {
	case "datetime", "timetime", "date", "timestamp":
		return "time"
	}
	return ""
}

type TableIndex struct {
	Name       string
	IsPrimary  bool
	IsUnique   bool
	ColumnsStr []string
	Columns    []*TableColumn
}

func (t *TableIndex) GoColumns() []string {
	newArr := []string{}
	for _, v := range t.ColumnsStr {
		newArr = append(newArr, GoName(v))
	}
	return newArr
}

type Table struct {
	Name    string
	Imports []string
	Columns []*TableColumn
	Indexes []*TableIndex
	Primary *TableColumn
}

func (t *Table) GetImports() []string {
	arr := map[string]string{}
	for _, v := range t.Columns {
		if imp := v.GetTypeImport(); imp != "" {
			arr[imp] = imp
		}
	}
	newArr := []string{}
	for _, v := range arr {
		newArr = append(newArr, v)
	}
	return newArr
}