<?php

// override core en language system validation or define your own en language validation message
return [
    // General rules
    'required'              => 'The {field} field is required.',
    'matches'               => 'The {field} field does not match the {param} field.',
    'differs'               => 'The {field} field must differ from the {param} field.',
    'isUnique'              => 'The value of {field} is already in use.',
    'is_natural'            => 'The {field} field must only contain positive numbers.',
    'is_natural_no_zero'    => 'The {field} field must be greater than zero.',
    'valid_url'             => 'The {field} field must contain a valid URL.',
    'valid_email'           => 'The {field} field must contain a valid email address.',
    'valid_emails'          => 'The {field} field must contain only valid email addresses.',
    'valid_ip'              => 'The {field} field must contain a valid IP address.',
    'valid_base64'          => 'The {field} field must contain a valid Base64 string.',
    'valid_json'            => 'The {field} field must contain a valid JSON string.',
    'valid_datetime'        => 'The {field} field must contain a valid date and time.',
    'valid_date'            => 'The {field} field must contain a valid date.',
    'valid_time'            => 'The {field} field must contain a valid time.',

    // Comparison rules
    'min_length'            => 'The {field} field must be at least {param} characters long.',
    'max_length'            => 'The {field} field must not exceed {param} characters.',
    'exact_length'          => 'The {field} field must be exactly {param} characters long.',
    'greater_than'          => 'The {field} field must be greater than {param}.',
    'greater_than_equal_to' => 'The {field} field must be greater than or equal to {param}.',
    'less_than'             => 'The {field} field must be less than {param}.',
    'less_than_equal_to'    => 'The {field} field must be less than or equal to {param}.',

    // Type rules
    'alpha'                 => 'The {field} field may only contain alphabetic characters.',
    'alpha_space'           => 'The {field} field may only contain letters and spaces.',
    'alpha_numeric'         => 'The {field} field may only contain letters and numbers.',
    'alpha_numeric_space'   => 'The {field} field may only contain letters, numbers, and spaces.',
    'alpha_numeric_punct'   => 'The {field} field may only contain letters, numbers, spaces, and the following characters: . , : ; - _ ! ?',
    'alpha_numeric_dash'    => 'The {field} field may only contain letters, numbers, underscores, and dashes.',
    'numeric'               => 'The {field} field must contain only numbers.',
    'integer'               => 'The {field} field must contain an integer.',
    'decimal'               => 'The {field} field must contain a decimal number.',
    'natural'               => 'The {field} field must contain only positive numbers.',
    'natural_no_zero'       => 'The {field} field must contain a number greater than zero.',
    'in_list'               => 'The {field} field must be one of the following: {param}.',

    // File validation
    'uploaded'              => 'You must upload a file in the {field} field.',
    'max_size'              => 'The file in the {field} field must not exceed {param} kilobytes.',
    'is_image'              => 'The file in the {field} field must be a valid image.',
    'mime_in'               => 'The file in the {field} field must be of type: {param}.',
    'ext_in'                => 'The file in the {field} field must have one of the following extensions: {param}.',
    'max_dims'              => 'The image in the {field} field must not exceed the allowed dimensions: {param}.',

    // Other
    'permit_empty'          => 'The {field} field may be left empty.',
    'string'                => 'The {field} field must be a text string.',
    'is_unique'             => 'The {field} value already exists in the system.',
    'valid_cc_number'       => 'The {field} field does not contain a valid credit card number.',
    'regex_match'           => 'The {field} field format is invalid.',
];