package logic

import (
	"github.com/oylshe1314/framework/errors"
	"regexp"
)

const (
	ErrVersionEmpty   errors.StringError = "版本不能为空"
	ErrVersionFormat  errors.StringError = "版本格式错误"
	ErrVersionTooLow  errors.StringError = "版本过低，请将游戏更新至最新版本"
	ErrUsernameEmpty  errors.StringError = "用户名不能为空"
	ErrUsernameFormat errors.StringError = "用户名格式错误"
	ErrPasswordEmpty  errors.StringError = "密码不能为空"
	ErrPasswordFormat errors.StringError = "密码格式错误"
	ErrPhoneEmpty     errors.StringError = "手机号码不能为空"
	ErrPhoneFormat    errors.StringError = "手机号码不正确"
	ErrTokenEmpty     errors.StringError = "TOKEN不能为空"
	ErrTokenInvalid   errors.StringError = "TOKEN无效"
	ErrTokenExpired   errors.StringError = "TOKEN已过期"
)

func CheckDevice(device string) error {
	return nil
}

func CheckVersion(version, newestVersion string) error {
	if newestVersion == "" || version == newestVersion {
		return nil
	}
	return ErrVersionTooLow
}

func CheckUsername(username string) error {
	if len(username) == 0 {
		return ErrUsernameEmpty
	}

	if len(username) < 8 || len(username) > 20 {
		return ErrUsernameFormat
	}

	return nil
}

func CheckPassword(password string) error {
	if len(password) == 0 {
		return ErrPasswordEmpty
	}

	if len(password) < 8 || len(password) > 20 {
		return ErrPasswordFormat
	}

	return nil
}

func CheckPhone(number string) error {
	if len(number) == 0 {
		return ErrPhoneEmpty
	}

	if len(number) != 11 {
		return ErrPhoneFormat
	}

	matched, err := regexp.MatchString(`^1[3-9]\d{9}$`, number)
	if err != nil || !matched {
		return ErrPhoneFormat
	}

	return nil
}

func CheckToken(token string) error {
	if len(token) == 0 {
		return ErrTokenEmpty
	}

	return nil
}