//go:build mysql
// +build mysql

package mysql

import (
	"database/sql"
	"errors"
	"strconv"
	"strings"

	t "github.com/tinode/chat/server/store/types"
)

func (a *adapter) RegistrationSMSEnabled() (bool, error) {
	db := a.registryDB
	if db == nil {
		db = a.db
	}
	if db == nil {
		return true, t.ErrInternal
	}
	ctx, cancel := a.getContext()
	if cancel != nil {
		defer cancel()
	}
	var value string
	err := db.GetContext(ctx, &value, `SELECT value FROM hg_sys_config
		WHERE `+"`group`"+`='im' AND `+"`key`"+`='register_sms_enabled' AND status=1 LIMIT 1`)
	if errors.Is(err, sql.ErrNoRows) {
		return true, t.ErrNotFound
	}
	if err != nil {
		return true, err
	}
	value = strings.TrimSpace(strings.ToLower(value))
	switch value {
	case "1", "true":
		return true, nil
	case "0", "false":
		return false, nil
	default:
		if parsed, parseErr := strconv.ParseBool(value); parseErr == nil {
			return parsed, nil
		}
		return true, t.ErrMalformed
	}
}