package models

import (
	"database/sql"
	"database/sql/driver"
	"encoding/json"
	"fmt"
)

type scannableJSON struct {
	v interface{}
}

func (s *scannableJSON) Scan(src interface{}) error {
	if src == nil {
		return nil
	}
	var data []byte
	switch v := src.(type) {
	case []byte:
		data = v
	case string:
		data = []byte(v)
	default:
		return fmt.Errorf("unsupported type for JSON scan: %T", src)
	}
	return json.Unmarshal(data, s.v)
}

func tagsToJSON(tags []string) string {
	if tags == nil {
		return "[]"
	}
	b, _ := json.Marshal(tags)
	return string(b)
}

func boolToInt(b bool) int {
	if b {
		return 1
	}
	return 0
}

var _ sql.Scanner = (*scannableJSON)(nil)
var _ driver.Valuer = (*scannableJSON)(nil)

func (s *scannableJSON) Value() (driver.Value, error) {
	return json.Marshal(s.v)
}