<?php
if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

function adqs_get_post_date_radio_filter( $args = [] ) {
	if ( empty( $args ) ) {
		return false;
	}

	$radioInputs = array_filter(
		$args,
		function ( $key ) {
			return strpos( $key, 'radio_' ) === 0;
		},
		ARRAY_FILTER_USE_KEY
	);

	if ( empty( $radioInputs ) ) {
		return false;
	}

	// Define all valid "ago" time types with their corresponding time values
	$timeMappings = [
		'minute ago'  => '-1 minute',
		'minutes ago' => '-1 minute',
		'hour ago'    => '-1 hour',
		'hours ago'   => '-1 hour',
		'day ago'     => '-1 day',
		'days ago'    => '-1 day',
		'week ago'    => '-1 week',
		'weeks ago'   => '-1 week',
		'month ago'   => '-1 month',
		'months ago'  => '-1 month',
		'year ago'    => '-1 year',
		'years ago'   => '-1 year',
	];

	$date_query     = [];
	$validDateFound = false;

	foreach ( $radioInputs as $key => $value ) {
		// URL decode the value first, then sanitize
		$value = sanitize_text_field( urldecode( $value ) );

		// Skip empty values
		if ( empty( $value ) ) {
			continue;
		}

		// Check if the value ends with any of the time types
		foreach ( $timeMappings as $timeType => $timeValue ) {
			if ( str_ends_with( $value, $timeType ) ) {
				// Extract the number from the value (e.g., "2 days ago" -> "2")
				$number = (int) preg_replace( '/[^0-9]/', '', $value );
				if ( $number > 0 ) {
					// Create the proper time string for WordPress date query
					$timeString = "-{$number} " . str_replace( ' ago', '', $timeType );
				} else {
					$timeString = $timeValue;
				}

				// Validate the date calculation
				$calculatedDate = date( 'Y-m-d H:i:s', strtotime( $timeString ) );
				if ( $calculatedDate === false || $calculatedDate === '1970-01-01 00:00:00' ) {
					// Invalid date, skip this value
					continue;
				}

				// Use a more explicit date format for better compatibility
				$date_query[] = [
					'after'     => $calculatedDate,
					'inclusive' => true,
					'column'    => 'post_date',
				];

				$validDateFound = true;
				break; // Found a match, no need to check other time types
			}
		}
	}

	// Only return date query if we found valid dates
	return $validDateFound ? $date_query : false;
}

/**
 * Post Date Radio Filter
 */
function adqs_lqf_post_date_without_ajax( $query_args ) {
	$date_query = adqs_get_post_date_radio_filter( $_GET );

	// Only apply date query if we have valid date filters
	if ( empty( $date_query ) || $date_query === false ) {
		return $query_args;
	}

	// Ensure we have a proper date query structure
	if ( is_array( $date_query ) && count( $date_query ) > 1 ) {
		$query_args['date_query'] = [
			'relation' => 'OR',
			$date_query,
		];
	} else {
		$query_args['date_query'] = $date_query;
	}

	return $query_args;
}
add_filter( 'adqs_listing_query_filter_args', 'adqs_lqf_post_date_without_ajax' );

function adqs_lqf_post_date_with_ajax( $query_args, $args ) {
	$date_query = adqs_get_post_date_radio_filter( $args );

	// Only apply date query if we have valid date filters
	if ( empty( $date_query ) || $date_query === false ) {
		return $query_args;
	}

	// Ensure we have a proper date query structure
	if ( is_array( $date_query ) && count( $date_query ) > 1 ) {
		$query_args['date_query'] = [
			'relation' => 'OR',
			$date_query,
		];
	} else {
		$query_args['date_query'] = $date_query;
	}

	return $query_args;
}
add_filter( 'adqs_listing_query_ajax_filter_args', 'adqs_lqf_post_date_with_ajax', 10, 2 );