<?php
/**
 * Building post type.
 *
 * Custom post type for BnB buildings/properties.
 *
 * @package Magdev\WpBnb\PostTypes
 */

declare( strict_types=1 );

namespace Magdev\WpBnb\PostTypes;

/**
 * Building post type class.
 */
final class Building {

	/**
	 * Post type slug.
	 *
	 * @var string
	 */
	public const POST_TYPE = 'bnb_building';

	/**
	 * Meta key prefix.
	 *
	 * @var string
	 */
	private const META_PREFIX = '_bnb_building_';

	/**
	 * Initialize the post type.
	 *
	 * @return void
	 */
	public static function init(): void {
		add_action( 'init', array( self::class, 'register' ) );
		add_action( 'add_meta_boxes', array( self::class, 'add_meta_boxes' ) );
		add_action( 'save_post_' . self::POST_TYPE, array( self::class, 'save_meta' ), 10, 2 );
		add_filter( 'manage_' . self::POST_TYPE . '_posts_columns', array( self::class, 'add_columns' ) );
		add_action( 'manage_' . self::POST_TYPE . '_posts_custom_column', array( self::class, 'render_column' ), 10, 2 );
		add_filter( 'manage_edit-' . self::POST_TYPE . '_sortable_columns', array( self::class, 'sortable_columns' ) );
		add_filter( 'enter_title_here', array( self::class, 'change_title_placeholder' ), 10, 2 );
	}

	/**
	 * Register the post type.
	 *
	 * @return void
	 */
	public static function register(): void {
		$labels = array(
			'name'                  => _x( 'Buildings', 'post type general name', 'wp-bnb' ),
			'singular_name'         => _x( 'Building', 'post type singular name', 'wp-bnb' ),
			'menu_name'             => _x( 'Buildings', 'admin menu', 'wp-bnb' ),
			'name_admin_bar'        => _x( 'Building', 'add new on admin bar', 'wp-bnb' ),
			'add_new'               => _x( 'Add New', 'building', 'wp-bnb' ),
			'add_new_item'          => __( 'Add New Building', 'wp-bnb' ),
			'new_item'              => __( 'New Building', 'wp-bnb' ),
			'edit_item'             => __( 'Edit Building', 'wp-bnb' ),
			'view_item'             => __( 'View Building', 'wp-bnb' ),
			'all_items'             => __( 'Buildings', 'wp-bnb' ),
			'search_items'          => __( 'Search Buildings', 'wp-bnb' ),
			'parent_item_colon'     => __( 'Parent Buildings:', 'wp-bnb' ),
			'not_found'             => __( 'No buildings found.', 'wp-bnb' ),
			'not_found_in_trash'    => __( 'No buildings found in Trash.', 'wp-bnb' ),
			'featured_image'        => __( 'Building Image', 'wp-bnb' ),
			'set_featured_image'    => __( 'Set building image', 'wp-bnb' ),
			'remove_featured_image' => __( 'Remove building image', 'wp-bnb' ),
			'use_featured_image'    => __( 'Use as building image', 'wp-bnb' ),
			'archives'              => __( 'Building archives', 'wp-bnb' ),
			'insert_into_item'      => __( 'Insert into building', 'wp-bnb' ),
			'uploaded_to_this_item' => __( 'Uploaded to this building', 'wp-bnb' ),
			'filter_items_list'     => __( 'Filter buildings list', 'wp-bnb' ),
			'items_list_navigation' => __( 'Buildings list navigation', 'wp-bnb' ),
			'items_list'            => __( 'Buildings list', 'wp-bnb' ),
		);

		$args = array(
			'labels'              => $labels,
			'public'              => true,
			'publicly_queryable'  => true,
			'show_ui'             => true,
			'show_in_menu'        => 'wp-bnb',
			'query_var'           => true,
			'rewrite'             => array(
				'slug'       => 'building',
				'with_front' => false,
			),
			'capability_type'     => 'post',
			'has_archive'         => true,
			'hierarchical'        => false,
			'menu_position'       => null,
			'menu_icon'           => 'dashicons-building',
			'supports'            => array(
				'title',
				'editor',
				'thumbnail',
				'excerpt',
				'revisions',
			),
			'show_in_rest'        => true,
			'rest_base'           => 'buildings',
			'rest_controller_class' => 'WP_REST_Posts_Controller',
		);

		register_post_type( self::POST_TYPE, $args );
	}

	/**
	 * Add meta boxes.
	 *
	 * @return void
	 */
	public static function add_meta_boxes(): void {
		add_meta_box(
			'bnb_building_address',
			__( 'Address', 'wp-bnb' ),
			array( self::class, 'render_address_meta_box' ),
			self::POST_TYPE,
			'normal',
			'high'
		);

		add_meta_box(
			'bnb_building_contact',
			__( 'Contact Information', 'wp-bnb' ),
			array( self::class, 'render_contact_meta_box' ),
			self::POST_TYPE,
			'normal',
			'high'
		);

		add_meta_box(
			'bnb_building_details',
			__( 'Building Details', 'wp-bnb' ),
			array( self::class, 'render_details_meta_box' ),
			self::POST_TYPE,
			'side',
			'default'
		);
	}

	/**
	 * Render address meta box.
	 *
	 * @param \WP_Post $post Current post object.
	 * @return void
	 */
	public static function render_address_meta_box( \WP_Post $post ): void {
		wp_nonce_field( 'bnb_building_meta', 'bnb_building_meta_nonce' );

		$street   = get_post_meta( $post->ID, self::META_PREFIX . 'street', true );
		$street2  = get_post_meta( $post->ID, self::META_PREFIX . 'street2', true );
		$city     = get_post_meta( $post->ID, self::META_PREFIX . 'city', true );
		$state    = get_post_meta( $post->ID, self::META_PREFIX . 'state', true );
		$zip      = get_post_meta( $post->ID, self::META_PREFIX . 'zip', true );
		$country  = get_post_meta( $post->ID, self::META_PREFIX . 'country', true );
		?>
		<table class="form-table">
			<tr>
				<th scope="row">
					<label for="bnb_building_street"><?php esc_html_e( 'Street Address', 'wp-bnb' ); ?></label>
				</th>
				<td>
					<input type="text" id="bnb_building_street" name="bnb_building_street"
						   value="<?php echo esc_attr( $street ); ?>" class="large-text">
				</td>
			</tr>
			<tr>
				<th scope="row">
					<label for="bnb_building_street2"><?php esc_html_e( 'Street Address 2', 'wp-bnb' ); ?></label>
				</th>
				<td>
					<input type="text" id="bnb_building_street2" name="bnb_building_street2"
						   value="<?php echo esc_attr( $street2 ); ?>" class="large-text">
					<p class="description"><?php esc_html_e( 'Apartment, suite, unit, etc. (optional)', 'wp-bnb' ); ?></p>
				</td>
			</tr>
			<tr>
				<th scope="row">
					<label for="bnb_building_city"><?php esc_html_e( 'City', 'wp-bnb' ); ?></label>
				</th>
				<td>
					<input type="text" id="bnb_building_city" name="bnb_building_city"
						   value="<?php echo esc_attr( $city ); ?>" class="regular-text">
				</td>
			</tr>
			<tr>
				<th scope="row">
					<label for="bnb_building_state"><?php esc_html_e( 'State / Canton', 'wp-bnb' ); ?></label>
				</th>
				<td>
					<input type="text" id="bnb_building_state" name="bnb_building_state"
						   value="<?php echo esc_attr( $state ); ?>" class="regular-text">
				</td>
			</tr>
			<tr>
				<th scope="row">
					<label for="bnb_building_zip"><?php esc_html_e( 'ZIP / Postal Code', 'wp-bnb' ); ?></label>
				</th>
				<td>
					<input type="text" id="bnb_building_zip" name="bnb_building_zip"
						   value="<?php echo esc_attr( $zip ); ?>" class="regular-text">
				</td>
			</tr>
			<tr>
				<th scope="row">
					<label for="bnb_building_country"><?php esc_html_e( 'Country', 'wp-bnb' ); ?></label>
				</th>
				<td>
					<select id="bnb_building_country" name="bnb_building_country">
						<option value=""><?php esc_html_e( '— Select Country —', 'wp-bnb' ); ?></option>
						<?php foreach ( self::get_countries() as $code => $name ) : ?>
							<option value="<?php echo esc_attr( $code ); ?>" <?php selected( $country, $code ); ?>>
								<?php echo esc_html( $name ); ?>
							</option>
						<?php endforeach; ?>
					</select>
				</td>
			</tr>
		</table>
		<?php
	}

	/**
	 * Render contact meta box.
	 *
	 * @param \WP_Post $post Current post object.
	 * @return void
	 */
	public static function render_contact_meta_box( \WP_Post $post ): void {
		$phone   = get_post_meta( $post->ID, self::META_PREFIX . 'phone', true );
		$email   = get_post_meta( $post->ID, self::META_PREFIX . 'email', true );
		$website = get_post_meta( $post->ID, self::META_PREFIX . 'website', true );
		?>
		<table class="form-table">
			<tr>
				<th scope="row">
					<label for="bnb_building_phone"><?php esc_html_e( 'Phone', 'wp-bnb' ); ?></label>
				</th>
				<td>
					<input type="tel" id="bnb_building_phone" name="bnb_building_phone"
						   value="<?php echo esc_attr( $phone ); ?>" class="regular-text">
				</td>
			</tr>
			<tr>
				<th scope="row">
					<label for="bnb_building_email"><?php esc_html_e( 'Email', 'wp-bnb' ); ?></label>
				</th>
				<td>
					<input type="email" id="bnb_building_email" name="bnb_building_email"
						   value="<?php echo esc_attr( $email ); ?>" class="regular-text">
				</td>
			</tr>
			<tr>
				<th scope="row">
					<label for="bnb_building_website"><?php esc_html_e( 'Website', 'wp-bnb' ); ?></label>
				</th>
				<td>
					<input type="url" id="bnb_building_website" name="bnb_building_website"
						   value="<?php echo esc_attr( $website ); ?>" class="regular-text"
						   placeholder="https://">
				</td>
			</tr>
		</table>
		<?php
	}

	/**
	 * Render details meta box.
	 *
	 * @param \WP_Post $post Current post object.
	 * @return void
	 */
	public static function render_details_meta_box( \WP_Post $post ): void {
		$total_rooms = get_post_meta( $post->ID, self::META_PREFIX . 'total_rooms', true );
		$floors      = get_post_meta( $post->ID, self::META_PREFIX . 'floors', true );
		$year_built  = get_post_meta( $post->ID, self::META_PREFIX . 'year_built', true );
		$check_in    = get_post_meta( $post->ID, self::META_PREFIX . 'check_in_time', true );
		$check_out   = get_post_meta( $post->ID, self::META_PREFIX . 'check_out_time', true );
		?>
		<p>
			<label for="bnb_building_total_rooms"><?php esc_html_e( 'Total Rooms', 'wp-bnb' ); ?></label>
			<input type="number" id="bnb_building_total_rooms" name="bnb_building_total_rooms"
				   value="<?php echo esc_attr( $total_rooms ); ?>" class="small-text" min="1">
		</p>
		<p>
			<label for="bnb_building_floors"><?php esc_html_e( 'Number of Floors', 'wp-bnb' ); ?></label>
			<input type="number" id="bnb_building_floors" name="bnb_building_floors"
				   value="<?php echo esc_attr( $floors ); ?>" class="small-text" min="1">
		</p>
		<p>
			<label for="bnb_building_year_built"><?php esc_html_e( 'Year Built', 'wp-bnb' ); ?></label>
			<input type="number" id="bnb_building_year_built" name="bnb_building_year_built"
				   value="<?php echo esc_attr( $year_built ); ?>" class="small-text"
				   min="1800" max="<?php echo esc_attr( gmdate( 'Y' ) ); ?>">
		</p>
		<p>
			<label for="bnb_building_check_in_time"><?php esc_html_e( 'Check-in Time', 'wp-bnb' ); ?></label>
			<input type="time" id="bnb_building_check_in_time" name="bnb_building_check_in_time"
				   value="<?php echo esc_attr( $check_in ?: '14:00' ); ?>">
		</p>
		<p>
			<label for="bnb_building_check_out_time"><?php esc_html_e( 'Check-out Time', 'wp-bnb' ); ?></label>
			<input type="time" id="bnb_building_check_out_time" name="bnb_building_check_out_time"
				   value="<?php echo esc_attr( $check_out ?: '11:00' ); ?>">
		</p>
		<?php
	}

	/**
	 * Save post meta.
	 *
	 * @param int      $post_id Post ID.
	 * @param \WP_Post $post    Post object.
	 * @return void
	 */
	public static function save_meta( int $post_id, \WP_Post $post ): void {
		// Verify nonce.
		if ( ! isset( $_POST['bnb_building_meta_nonce'] ) ||
			 ! wp_verify_nonce( sanitize_key( $_POST['bnb_building_meta_nonce'] ), 'bnb_building_meta' ) ) {
			return;
		}

		// Check autosave.
		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
			return;
		}

		// Check permissions.
		if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return;
		}

		// Address fields.
		$text_fields = array(
			'street',
			'street2',
			'city',
			'state',
			'zip',
			'country',
			'phone',
			'website',
		);

		foreach ( $text_fields as $field ) {
			$key = 'bnb_building_' . $field;
			if ( isset( $_POST[ $key ] ) ) {
				update_post_meta(
					$post_id,
					self::META_PREFIX . $field,
					sanitize_text_field( wp_unslash( $_POST[ $key ] ) )
				);
			}
		}

		// Email field (special sanitization).
		if ( isset( $_POST['bnb_building_email'] ) ) {
			update_post_meta(
				$post_id,
				self::META_PREFIX . 'email',
				sanitize_email( wp_unslash( $_POST['bnb_building_email'] ) )
			);
		}

		// Numeric fields.
		$numeric_fields = array( 'total_rooms', 'floors', 'year_built' );
		foreach ( $numeric_fields as $field ) {
			$key = 'bnb_building_' . $field;
			if ( isset( $_POST[ $key ] ) ) {
				update_post_meta(
					$post_id,
					self::META_PREFIX . $field,
					absint( $_POST[ $key ] )
				);
			}
		}

		// Time fields.
		$time_fields = array( 'check_in_time', 'check_out_time' );
		foreach ( $time_fields as $field ) {
			$key = 'bnb_building_' . $field;
			if ( isset( $_POST[ $key ] ) ) {
				$time = sanitize_text_field( wp_unslash( $_POST[ $key ] ) );
				if ( preg_match( '/^([01]?[0-9]|2[0-3]):[0-5][0-9]$/', $time ) ) {
					update_post_meta( $post_id, self::META_PREFIX . $field, $time );
				}
			}
		}
	}

	/**
	 * Add custom columns to the post list.
	 *
	 * @param array $columns Existing columns.
	 * @return array
	 */
	public static function add_columns( array $columns ): array {
		$new_columns = array();
		foreach ( $columns as $key => $value ) {
			$new_columns[ $key ] = $value;
			if ( 'title' === $key ) {
				$new_columns['city']    = __( 'City', 'wp-bnb' );
				$new_columns['country'] = __( 'Country', 'wp-bnb' );
				$new_columns['rooms']   = __( 'Rooms', 'wp-bnb' );
			}
		}
		return $new_columns;
	}

	/**
	 * Render custom column content.
	 *
	 * @param string $column  Column name.
	 * @param int    $post_id Post ID.
	 * @return void
	 */
	public static function render_column( string $column, int $post_id ): void {
		switch ( $column ) {
			case 'city':
				$city = get_post_meta( $post_id, self::META_PREFIX . 'city', true );
				echo esc_html( $city ?: '—' );
				break;

			case 'country':
				$country = get_post_meta( $post_id, self::META_PREFIX . 'country', true );
				if ( $country ) {
					$countries = self::get_countries();
					echo esc_html( $countries[ $country ] ?? $country );
				} else {
					echo '—';
				}
				break;

			case 'rooms':
				$rooms = get_posts(
					array(
						'post_type'      => 'bnb_room',
						'post_status'    => 'publish',
						'posts_per_page' => -1,
						'meta_query'     => array(
							array(
								'key'   => '_bnb_room_building_id',
								'value' => $post_id,
							),
						),
					)
				);
				$count = count( $rooms );
				if ( $count > 0 ) {
					printf(
						'<a href="%s">%s</a>',
						esc_url(
							admin_url(
								'edit.php?post_type=bnb_room&building_id=' . $post_id
							)
						),
						esc_html(
							sprintf(
								/* translators: %d: Number of rooms */
								_n( '%d room', '%d rooms', $count, 'wp-bnb' ),
								$count
							)
						)
					);
				} else {
					echo '—';
				}
				break;
		}
	}

	/**
	 * Add sortable columns.
	 *
	 * @param array $columns Existing sortable columns.
	 * @return array
	 */
	public static function sortable_columns( array $columns ): array {
		$columns['city']    = 'city';
		$columns['country'] = 'country';
		return $columns;
	}

	/**
	 * Change title placeholder.
	 *
	 * @param string   $placeholder Default placeholder.
	 * @param \WP_Post $post        Current post.
	 * @return string
	 */
	public static function change_title_placeholder( string $placeholder, \WP_Post $post ): string {
		if ( self::POST_TYPE === $post->post_type ) {
			return __( 'Enter building name', 'wp-bnb' );
		}
		return $placeholder;
	}

	/**
	 * Get list of countries.
	 *
	 * @return array<string, string>
	 */
	public static function get_countries(): array {
		return array(
			'CH' => __( 'Switzerland', 'wp-bnb' ),
			'DE' => __( 'Germany', 'wp-bnb' ),
			'AT' => __( 'Austria', 'wp-bnb' ),
			'FR' => __( 'France', 'wp-bnb' ),
			'IT' => __( 'Italy', 'wp-bnb' ),
			'LI' => __( 'Liechtenstein', 'wp-bnb' ),
			'NL' => __( 'Netherlands', 'wp-bnb' ),
			'BE' => __( 'Belgium', 'wp-bnb' ),
			'LU' => __( 'Luxembourg', 'wp-bnb' ),
			'GB' => __( 'United Kingdom', 'wp-bnb' ),
			'US' => __( 'United States', 'wp-bnb' ),
			'CA' => __( 'Canada', 'wp-bnb' ),
			'ES' => __( 'Spain', 'wp-bnb' ),
			'PT' => __( 'Portugal', 'wp-bnb' ),
		);
	}

	/**
	 * Get formatted address.
	 *
	 * @param int $post_id Post ID.
	 * @return string
	 */
	public static function get_formatted_address( int $post_id ): string {
		$street  = get_post_meta( $post_id, self::META_PREFIX . 'street', true );
		$street2 = get_post_meta( $post_id, self::META_PREFIX . 'street2', true );
		$city    = get_post_meta( $post_id, self::META_PREFIX . 'city', true );
		$state   = get_post_meta( $post_id, self::META_PREFIX . 'state', true );
		$zip     = get_post_meta( $post_id, self::META_PREFIX . 'zip', true );
		$country = get_post_meta( $post_id, self::META_PREFIX . 'country', true );

		$parts = array();

		if ( $street ) {
			$parts[] = $street;
		}
		if ( $street2 ) {
			$parts[] = $street2;
		}
		if ( $zip || $city ) {
			$parts[] = trim( $zip . ' ' . $city );
		}
		if ( $state ) {
			$parts[] = $state;
		}
		if ( $country ) {
			$countries = self::get_countries();
			$parts[]   = $countries[ $country ] ?? $country;
		}

		return implode( "\n", $parts );
	}
}