<?php
/**
 * Translatable Class file for Sureforms.
 *
 * @package Sureforms
 * @since 1.0.5
 */

namespace SRFM\Inc;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Sureforms Translatable Class
 *
 * A helper class providing an interface for handling translation of text elements, specifically
 * frontend validation messages, used in the Sureforms plugin. This class enables dynamic and
 * reusable translated strings to enhance user experience across different languages.
 *
 * @since 1.0.5
 */
class Translatable {
	/**
	 * Retrieve default frontend validation messages.
	 *
	 * Returns an array of validation messages, each identified by a unique key. Messages are
	 * translated for frontend display, with placeholders included for dynamically populated values.
	 *
	 * @since 1.0.5
	 * @return array<string, string> Associative array of translated validation messages for frontend use.
	 */
	public static function get_frontend_validation_messages() {
		$translatable_array = self::dynamic_validation_messages();

		/**
		 * Filter for frontend validation messages.
		 *
		 * This filter allows developers to add or modify the default validation messages.
		 * Primarily intended for enabling custom validation messages and supporting pro functionality.
		 *
		 * @internal This filter is primarily used for internal purposes and pro functionality.
		 */
		return apply_filters( 'srfm_frontend_validation_messages', $translatable_array );
	}

	/**
	 * Retrieve default dynamic validation messages.
	 *
	 * @since 1.2.1
	 * @return array<string, string> Associative array of translated validation messages for dynamic use.
	 */
	public static function dynamic_validation_messages() {
		$translatable_array = self::dynamic_messages();

		/**
		 * Filter for dynamic validation messages.
		 *
		 * The `srfm_dynamic_validation_messages` filter allows developers to add or modify
		 * the default dynamic validation messages.
		 * This is primarily intended for enabling custom validation messages and supporting pro functionality.
		 *
		 * @internal This filter is primarily used for internal purposes and pro functionality.
		 */
		$filtered_array = apply_filters( 'srfm_dynamic_validation_messages', $translatable_array );

		$dynamic_options = get_option( 'srfm_default_dynamic_block_option', [] );
		if ( ! empty( $dynamic_options ) && is_array( $dynamic_options ) ) {
			foreach ( $dynamic_options as $key => $value ) {
				if ( isset( $filtered_array[ $key ] ) ) {
					$filtered_array[ $key ] = $value;
				}
			}
		}

		return $filtered_array;
	}

	/**
	 * Dynamic messages array
	 *
	 * @since 1.2.1
	 * @return array<string, string> Associative array of translated dynamic messages.
	 */
	public static function dynamic_messages() {
		return [
			'srfm_valid_phone_number'          => __( 'Enter a valid phone number.', 'sureforms' ),
			'srfm_valid_url'                   => __( 'Enter a valid URL.', 'sureforms' ),
			'srfm_confirm_email_same'          => __( 'Confirmation email does not match.', 'sureforms' ),
			'srfm_valid_email'                 => __( 'Enter a valid email address.', 'sureforms' ),

			/* translators: %s represents the minimum number of characters required */
			'srfm_textarea_min_chars'          => __( 'Please enter at least %s characters.', 'sureforms' ),

			/* translators: %s: maximum characters allowed before the @ symbol. */
			'srfm_email_local_max_length'      => __( 'The part before @ may not exceed %s characters.', 'sureforms' ),

			/* translators: %s: maximum characters allowed after the @ symbol. */
			'srfm_email_domain_max_length'     => __( 'The part after @ may not exceed %s characters.', 'sureforms' ),

			/* translators: %s represents the minimum acceptable value */
			'srfm_input_min_value'             => __( 'Minimum value is %s.', 'sureforms' ),

			/* translators: %s represents the maximum acceptable value */
			'srfm_input_max_value'             => __( 'Maximum value is %s.', 'sureforms' ),

			/* translators: %s represents the minimum number of options to select */
			'srfm_dropdown_min_selections'     => __( 'Select at least %s options.', 'sureforms' ),

			/* translators: %s represents the maximum number of options that can be selected */
			'srfm_dropdown_max_selections'     => __( 'You can select up to %s options.', 'sureforms' ),

			/* translators: %s represents the minimum number of options to select */
			'srfm_multi_choice_min_selections' => __( 'Select at least %s options.', 'sureforms' ),

			/* translators: %s represents the maximum number of options that can be selected */
			'srfm_multi_choice_max_selections' => __( 'You can select up to %s options.', 'sureforms' ),
		];
	}

	/**
	 * Source (untranslated) versions of every dynamic validation message.
	 *
	 * Used by the multilingual integration to register a stable English key with
	 * the active provider (e.g., WPML String Translation) regardless of the
	 * site's current WP locale. The keys match {@see dynamic_messages()}; the
	 * values are the raw English source strings without any `__()` wrapping,
	 * so they don't shift when the site locale changes.
	 *
	 * @since 2.11.0
	 * @return array<string, string>
	 */
	public static function dynamic_messages_source() {
		return [
			'srfm_valid_phone_number'          => 'Enter a valid phone number.',
			'srfm_valid_url'                   => 'Enter a valid URL.',
			'srfm_confirm_email_same'          => 'Confirmation email does not match.',
			'srfm_valid_email'                 => 'Enter a valid email address.',
			'srfm_textarea_min_chars'          => 'Please enter at least %s characters.',
			'srfm_email_local_max_length'      => 'The part before @ may not exceed %s characters.',
			'srfm_email_domain_max_length'     => 'The part after @ may not exceed %s characters.',
			'srfm_input_min_value'             => 'Minimum value is %s.',
			'srfm_input_max_value'             => 'Maximum value is %s.',
			'srfm_dropdown_min_selections'     => 'Select at least %s options.',
			'srfm_dropdown_max_selections'     => 'You can select up to %s options.',
			'srfm_multi_choice_min_selections' => 'Select at least %s options.',
			'srfm_multi_choice_max_selections' => 'You can select up to %s options.',
		];
	}

	/**
	 * Get default form restriction message.
	 *
	 * @since 1.10.1
	 * @return string Translated default form restriction message.
	 */
	public static function get_default_form_restriction_message() {
		return __( 'This form is now closed as we have reached the maximum number of entries.', 'sureforms' );
	}
}