<?php

namespace Bizdex\Uplisting\Frontend;

defined('ABSPATH') || exit;

/**
 * Property search form field registry, visibility, and rendering.
 *
 * @package Bizdex\Uplisting\Frontend
 * @since   1.0.0
 */
final class PropertySearchFields
{
    /**
     * Default search-bar field definitions.
     *
     * @return array<string, array<string, mixed>>
     */
    public static function get_default_bar_fields(): array
    {
        return [
            'location' => [
                'label'           => __('Where', 'advanced-connector-for-uplisting'),
                'priority'        => 10,
                'group'           => 'fields',
                'enabled_default' => true,
                'template'        => 'location',
            ],
            'date' => [
                'label'           => __('When', 'advanced-connector-for-uplisting'),
                'priority'        => 20,
                'group'           => 'fields',
                'enabled_default' => true,
                'template'        => 'date',
            ],
            'guest' => [
                'label'           => __('Who', 'advanced-connector-for-uplisting'),
                'priority'        => 30,
                'group'           => 'fields',
                'enabled_default' => true,
                'template'        => 'guest',
            ],
            'more_filters' => [
                'label'           => __('More filters', 'advanced-connector-for-uplisting'),
                'priority'        => 10,
                'group'           => 'actions',
                'enabled_default' => true,
                'callback'        => [self::class, 'render_more_filters_button'],
            ],
            'clear' => [
                'label'           => __('Clear', 'advanced-connector-for-uplisting'),
                'priority'        => 20,
                'group'           => 'actions',
                'enabled_default' => true,
                'callback'        => [self::class, 'render_clear_button'],
            ],
            'submit' => [
                'label'           => __('Search', 'advanced-connector-for-uplisting'),
                'priority'        => 30,
                'group'           => 'actions',
                'enabled_default' => true,
                'callback'        => [self::class, 'render_submit_button'],
            ],
        ];
    }

    /**
     * Default modal filter rows.
     *
     * @return array<string, array<string, mixed>>
     */
    public static function get_default_modal_fields(): array
    {
        return [
            'bedrooms' => [
                'label'           => __('Bedrooms', 'advanced-connector-for-uplisting'),
                'priority'        => 10,
                'enabled_default' => true,
                'callback'        => [self::class, 'render_modal_bedrooms'],
            ],
            'beds' => [
                'label'           => __('Beds', 'advanced-connector-for-uplisting'),
                'priority'        => 20,
                'enabled_default' => true,
                'callback'        => [self::class, 'render_modal_beds'],
            ],
            'bathrooms' => [
                'label'           => __('Bathrooms', 'advanced-connector-for-uplisting'),
                'priority'        => 30,
                'enabled_default' => true,
                'callback'        => [self::class, 'render_modal_bathrooms'],
            ],
        ];
    }

    /**
     * Filtered + sorted search bar fields.
     *
     * @return array<string, array<string, mixed>>
     */
    public static function get_bar_fields(): array
    {
        $fields = apply_filters('bizdex_uplisting_search_bar_fields', self::get_default_bar_fields());
        return self::sort_fields(is_array($fields) ? $fields : []);
    }

    /**
     * Filtered + sorted modal fields.
     *
     * @return array<string, array<string, mixed>>
     */
    public static function get_modal_fields(): array
    {
        $fields = apply_filters('bizdex_uplisting_search_modal_fields', self::get_default_modal_fields());
        return self::sort_fields(is_array($fields) ? $fields : []);
    }

    /**
     * Whether a field should render for the current search context.
     *
     * @param array<string, mixed> $args Search template args (includes `visible`).
     */
    public static function is_field_visible(string $field_key, array $args, array $definition = []): bool
    {
        $visible_map = is_array($args['visible'] ?? null) ? $args['visible'] : [];
        $default     = !empty($definition['enabled_default']);

        if (array_key_exists($field_key, $visible_map)) {
            $default = (bool) $visible_map[$field_key];
        }

        return (bool) apply_filters('bizdex_uplisting_search_field_visible', $default, $field_key, $args, $definition);
    }

    /**
     * Build template args for search rendering from block/shortcode attributes.
     *
     * @param array<string, mixed> $attributes
     * @return array<string, mixed>
     */
    public static function build_args_from_attributes(array $attributes = []): array
    {
        $filters = ListingQuery::get_filters_from_request();

        $listing_url = isset($attributes['listingUrl']) ? esc_url_raw((string) $attributes['listingUrl']) : '';
        if ($listing_url === '') {
            $listing_url = FrontendManager::get_listing_page_url();
        }

        $visible = [
            'location'     => self::attr_bool($attributes, 'showLocation', true),
            'date'         => self::attr_bool($attributes, 'showDates', true),
            'guest'        => self::attr_bool($attributes, 'showGuests', true),
            'more_filters' => self::attr_bool($attributes, 'showMoreFilters', true),
            'clear'        => self::attr_bool($attributes, 'showClear', true),
            'submit'       => self::attr_bool($attributes, 'showSubmit', true),
            'bedrooms'     => self::attr_bool($attributes, 'showModalBedrooms', true),
            'beds'         => self::attr_bool($attributes, 'showModalBeds', true),
            'bathrooms'    => self::attr_bool($attributes, 'showModalBathrooms', true),
        ];

        /**
         * Filter visible search fields for the current render.
         *
         * @param array<string, bool> $visible
         * @param array<string, mixed> $attributes
         */
        $visible = apply_filters('bizdex_uplisting_search_visible_fields', $visible, $attributes);

        return [
            'selected_location'  => (string) ($filters['selected_location'] ?? ''),
            'selected_dates'     => (string) ($filters['selected_dates'] ?? ''),
            'start_date'         => (string) ($filters['start_date'] ?? ''),
            'end_date'           => (string) ($filters['end_date'] ?? ''),
            'selected_adults'    => absint($filters['selected_adults'] ?? 0),
            'selected_kids'      => absint($filters['selected_kids'] ?? 0),
            'selected_bedrooms'  => absint($filters['selected_bedrooms'] ?? 0),
            'selected_bathrooms' => absint($filters['selected_bathrooms'] ?? 0),
            'selected_beds'      => absint($filters['selected_beds'] ?? 0),
            'current_view'       => ListingQuery::get_request_view(''),
            'locations'          => ListingQuery::get_location_options(),
            'listing_url'        => $listing_url,
            'found_posts'        => 0,
            'visible'            => $visible,
            'attributes'         => $attributes,
        ];
    }

    /**
     * Render a registered field (template or callback).
     *
     * @param array<string, mixed> $definition
     * @param array<string, mixed> $args
     */
    public static function render_field(string $field_key, array $definition, array $args): void
    {
        if (!self::is_field_visible($field_key, $args, $definition)) {
            return;
        }

        if (!empty($definition['callback']) && is_callable($definition['callback'])) {
            call_user_func($definition['callback'], $args, $definition, $field_key);
            return;
        }

        $template = (string) ($definition['template'] ?? $field_key);
        $file     = BIZDEX_UPLISTING_PLUGIN_DIR . 'templates/archive/filter/' . $template . '.php';
        if (is_readable($file)) {
            (static function (string $template_file, array $args): void {
                extract($args, EXTR_SKIP);
                require $template_file;
            })($file, $args);
        }

        /**
         * Fires after a search field is rendered.
         *
         * @param string               $field_key
         * @param array<string, mixed> $definition
         * @param array<string, mixed> $args
         */
        do_action('bizdex_uplisting_after_search_field', $field_key, $definition, $args);
    }

    /**
     * Render the "more filters" control that opens the filters modal.
     *
     * @param array<string, mixed> $args
     */
    public static function render_more_filters_button(array $args): void
    {
        ?>
        <button type="button" class="uplisting-filter-btn" id="filter-modal-btn" aria-label="<?php esc_attr_e('More filters', 'advanced-connector-for-uplisting'); ?>">
            <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                <line x1="4" y1="6" x2="20" y2="6"></line>
                <line x1="4" y1="12" x2="20" y2="12"></line>
                <line x1="4" y1="18" x2="20" y2="18"></line>
                <circle cx="8" cy="6" r="2"></circle>
                <circle cx="16" cy="12" r="2"></circle>
                <circle cx="12" cy="18" r="2"></circle>
            </svg>
        </button>
        <?php
    }

    /**
     * Render the clear-filters control for the search form.
     *
     * @param array<string, mixed> $args
     */
    public static function render_clear_button(array $args): void
    {
        $has_active_filters = self::has_active_filters($args);
        ?>
        <button
            type="button"
            class="uplisting-clear-btn<?php echo esc_attr($has_active_filters ? ' is-visible' : ''); ?>"
            id="search-clear-btn"
            aria-label="<?php esc_attr_e('Clear search', 'advanced-connector-for-uplisting'); ?>"
        >
            <?php esc_html_e('Clear', 'advanced-connector-for-uplisting'); ?>
        </button>
        <?php
    }

    /**
     * Render the search form submit button.
     *
     * @param array<string, mixed> $args
     */
    public static function render_submit_button(array $args): void
    {
        ?>
        <button type="submit" class="uplisting-search-btn">
            <?php esc_html_e('Search', 'advanced-connector-for-uplisting'); ?>
        </button>
        <?php
    }

    /**
     * Render the bedrooms filter field inside the filters modal.
     *
     * @param array<string, mixed> $args
     */
    public static function render_modal_bedrooms(array $args): void
    {
        $selected_bedrooms = absint($args['selected_bedrooms'] ?? 0);
        ?>
        <div class="uplisting-filter-row">
            <span class="uplisting-filter-label"><?php esc_html_e('Bedrooms', 'advanced-connector-for-uplisting'); ?></span>
            <div class="uplisting-filter-controls">
                <button type="button" class="uplisting-filter-btn-minus" id="modal-bedrooms-minus" <?php disabled($selected_bedrooms, 0); ?>>−</button>
                <span class="uplisting-filter-count" id="modal-bedrooms-count"><?php echo esc_html((string) $selected_bedrooms); ?></span>
                <button type="button" class="uplisting-filter-btn-plus" id="modal-bedrooms-plus">+</button>
            </div>
        </div>
        <?php
    }

    /**
     * Render the beds filter field inside the filters modal.
     *
     * @param array<string, mixed> $args
     */
    public static function render_modal_beds(array $args): void
    {
        $selected_beds = absint($args['selected_beds'] ?? 0);
        ?>
        <div class="uplisting-filter-row">
            <span class="uplisting-filter-label"><?php esc_html_e('Beds', 'advanced-connector-for-uplisting'); ?></span>
            <div class="uplisting-filter-controls">
                <button type="button" class="uplisting-filter-btn-minus" id="modal-beds-minus" <?php disabled($selected_beds, 0); ?>>−</button>
                <span class="uplisting-filter-count" id="modal-beds-count"><?php echo esc_html((string) $selected_beds); ?></span>
                <button type="button" class="uplisting-filter-btn-plus" id="modal-beds-plus">+</button>
            </div>
        </div>
        <?php
    }

    /**
     * Render the bathrooms filter field inside the filters modal.
     *
     * @param array<string, mixed> $args
     */
    public static function render_modal_bathrooms(array $args): void
    {
        $selected_bathrooms = absint($args['selected_bathrooms'] ?? 0);
        ?>
        <div class="uplisting-filter-row">
            <span class="uplisting-filter-label"><?php esc_html_e('Bathrooms', 'advanced-connector-for-uplisting'); ?></span>
            <div class="uplisting-filter-controls">
                <button type="button" class="uplisting-filter-btn-minus" id="modal-bathrooms-minus" <?php disabled($selected_bathrooms, 0); ?>>−</button>
                <span class="uplisting-filter-count" id="modal-bathrooms-count"><?php echo esc_html((string) $selected_bathrooms); ?></span>
                <button type="button" class="uplisting-filter-btn-plus" id="modal-bathrooms-plus">+</button>
            </div>
        </div>
        <?php
    }

    /**
     * Whether the current search args include any active filter values.
     *
     * @param array<string, mixed> $args
     */
    public static function has_active_filters(array $args): bool
    {
        return (
            (string) ($args['selected_location'] ?? '') !== ''
            || (string) ($args['selected_dates'] ?? '') !== ''
            || (string) ($args['start_date'] ?? '') !== ''
            || (string) ($args['end_date'] ?? '') !== ''
            || absint($args['selected_adults'] ?? 0) > 0
            || absint($args['selected_kids'] ?? 0) > 0
            || absint($args['selected_bedrooms'] ?? 0) > 0
            || absint($args['selected_bathrooms'] ?? 0) > 0
            || absint($args['selected_beds'] ?? 0) > 0
        );
    }

    /**
     * Editor field toggle config for the Search block sidebar.
     *
     * @return array<int, array{key:string,label:string,attribute:string,default:bool,group:string}>
     */
    public static function get_editor_toggle_definitions(): array
    {
        $toggles = [
            [
                'key'       => 'location',
                'attribute' => 'showLocation',
                'label'     => __('Show Where (location)', 'advanced-connector-for-uplisting'),
                'default'   => true,
                'group'     => 'bar',
            ],
            [
                'key'       => 'date',
                'attribute' => 'showDates',
                'label'     => __('Show When (dates)', 'advanced-connector-for-uplisting'),
                'default'   => true,
                'group'     => 'bar',
            ],
            [
                'key'       => 'guest',
                'attribute' => 'showGuests',
                'label'     => __('Show Who (guests)', 'advanced-connector-for-uplisting'),
                'default'   => true,
                'group'     => 'bar',
            ],
            [
                'key'       => 'more_filters',
                'attribute' => 'showMoreFilters',
                'label'     => __('Show more filters button', 'advanced-connector-for-uplisting'),
                'default'   => true,
                'group'     => 'actions',
            ],
            [
                'key'       => 'clear',
                'attribute' => 'showClear',
                'label'     => __('Show Clear button', 'advanced-connector-for-uplisting'),
                'default'   => true,
                'group'     => 'actions',
            ],
            [
                'key'       => 'submit',
                'attribute' => 'showSubmit',
                'label'     => __('Show Search button', 'advanced-connector-for-uplisting'),
                'default'   => true,
                'group'     => 'actions',
            ],
            [
                'key'       => 'bedrooms',
                'attribute' => 'showModalBedrooms',
                'label'     => __('Show Bedrooms in modal', 'advanced-connector-for-uplisting'),
                'default'   => true,
                'group'     => 'modal',
            ],
            [
                'key'       => 'beds',
                'attribute' => 'showModalBeds',
                'label'     => __('Show Beds in modal', 'advanced-connector-for-uplisting'),
                'default'   => true,
                'group'     => 'modal',
            ],
            [
                'key'       => 'bathrooms',
                'attribute' => 'showModalBathrooms',
                'label'     => __('Show Bathrooms in modal', 'advanced-connector-for-uplisting'),
                'default'   => true,
                'group'     => 'modal',
            ],
        ];

        /**
         * Filter Search block sidebar toggles.
         *
         * @param array<int, array<string, mixed>> $toggles
         */
        return apply_filters('bizdex_uplisting_search_block_toggles', $toggles);
    }

    /**
     * Sort search field definitions by configured display order.
     *
     * @param array<string, array<string, mixed>> $fields
     * @return array<string, array<string, mixed>>
     */
    private static function sort_fields(array $fields): array
    {
        uasort(
            $fields,
            static function (array $a, array $b): int {
                return (int) ($a['priority'] ?? 100) <=> (int) ($b['priority'] ?? 100);
            }
        );

        return $fields;
    }

    /**
     * Read a boolean attribute with a default when unset or empty.
     *
     * @param array<string, mixed> $attributes
     */
    private static function attr_bool(array $attributes, string $key, bool $default): bool
    {
        if (!array_key_exists($key, $attributes)) {
            return $default;
        }

        $value = $attributes[$key];
        if (is_bool($value)) {
            return $value;
        }

        if (is_string($value)) {
            return !in_array(strtolower($value), ['0', 'false', 'no', ''], true);
        }

        return (bool) $value;
    }
}