import msgs from '../../commons/messages';

const emailPattern = /^[_A-Za-z0-9-\+]+(\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\.[A-Za-z0-9]+)*(\.[A-Za-z]{2,})$/;
const passwordPattern = /((?=.*\d)(?=.*[a-zA-Z]).{6,20})/;

/**
 * Standard validator for string types
 * @param  {[type]} schema [description]
 * @param  {[type]} value  [description]
 * @return {[type]}        [description]
 */
export function stringValidator(schema, value) {
    if (schema.min && value.length < schema.min) {
        return msgs.minValue(schema.min);
    }

    if (schema.max && value.length > schema.max) {
        return msgs.maxValue(schema.max);
    }

    if (schema.email && !emailPattern.test(value)) {
        return msgs.NotValidEmail;
    }

    if (schema.password && !passwordPattern.test(value)) {
        return msgs.NotValidPassword;
    }

    return null;
}

/**
 * Standard validator for number types
 * @param  {[type]} schema [description]
 * @param  {[type]} value  [description]
 * @return {[type]}        [description]
 */
export function numberValidator(schema, value) {
    if (isNaN(value)) {
        return msgs.NotValid;
    }

    if (schema.min && value.length < schema.min) {
        return msgs.minValue(schema.min);
    }

    if (schema.max && value > schema.max) {
        return msgs.maxValue(schema.max);
    }
    return null;
}