package mysql

import (
	"context"
	"strings"

	"github.com/usememos/memos/store"
)

func (d *DB) UpsertSystemSetting(ctx context.Context, upsert *store.SystemSetting) (*store.SystemSetting, error) {
	stmt := "INSERT INTO `system_setting` (`name`, `value`, `description`) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE `value` = ?, `description` = ?"
	_, err := d.db.ExecContext(
		ctx,
		stmt,
		upsert.Name,
		upsert.Value,
		upsert.Description,
		upsert.Value,
		upsert.Description,
	)
	if err != nil {
		return nil, err
	}

	return upsert, nil
}

func (d *DB) ListSystemSettings(ctx context.Context, find *store.FindSystemSetting) ([]*store.SystemSetting, error) {
	where, args := []string{"1 = 1"}, []any{}
	if find.Name != "" {
		where, args = append(where, "`name` = ?"), append(args, find.Name)
	}

	query := "SELECT `name`, `value`, `description` FROM `system_setting` WHERE " + strings.Join(where, " AND ")
	rows, err := d.db.QueryContext(ctx, query, args...)
	if err != nil {
		return nil, err
	}
	defer rows.Close()

	list := []*store.SystemSetting{}
	for rows.Next() {
		systemSettingMessage := &store.SystemSetting{}
		if err := rows.Scan(
			&systemSettingMessage.Name,
			&systemSettingMessage.Value,
			&systemSettingMessage.Description,
		); err != nil {
			return nil, err
		}
		list = append(list, systemSettingMessage)
	}

	if err := rows.Err(); err != nil {
		return nil, err
	}

	return list, nil
}