<?php
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

final class EB4TEC_Venue_Sync {

	public function __construct( private readonly EB4TEC_API_Client $api ) {}

	public function pull_venue( string $eb_venue_id ): int|WP_Error {
		if ( empty( $eb_venue_id ) ) {
			return 0;
		}

		$result = $this->api->get_venue( $eb_venue_id );
		if ( is_wp_error( $result ) ) {
			return $result;
		}

		$existing_id = $this->find_tec_venue( $eb_venue_id );

		$name    = sanitize_text_field( $result['name'] ?? '' );
		$address = $result['address'] ?? [];

		$post_args = [
			'post_title'  => $name ?: __( 'Untitled Venue', 'eb4tec' ),
			'post_type'   => 'tribe_venue',
			'post_status' => 'publish',
		];

		if ( $existing_id ) {
			$post_args['ID'] = $existing_id;
			$post_id = wp_update_post( $post_args, true );
		} else {
			$post_id = wp_insert_post( $post_args, true );
		}

		if ( is_wp_error( $post_id ) ) {
			return $post_id;
		}

		$this->save_venue_meta( $post_id, $eb_venue_id, $address, $result );

		return $post_id;
	}

	public function push_venue( int $post_id ): string|WP_Error {
		$org_id = (string) get_option( 'eb4tec_org_id', '' );
		if ( empty( $org_id ) ) {
			return new WP_Error( 'eb4tec_no_org', __( 'Eventbrite organization ID not configured.', 'eb4tec' ) );
		}

		$eb_venue_id = get_post_meta( $post_id, '_eb4tec_venue_id', true );
		$post        = get_post( $post_id );

		if ( ! $post ) {
			return new WP_Error( 'eb4tec_no_post', __( 'Venue post not found.', 'eb4tec' ) );
		}

		$body = [
			'venue' => [
				'name'    => $post->post_title,
				'address' => [
					'address_1'   => (string) get_post_meta( $post_id, '_VenueAddress', true ),
					'city'        => (string) get_post_meta( $post_id, '_VenueCity', true ),
					'region'      => (string) get_post_meta( $post_id, '_VenueStateProvince', true ),
					'postal_code' => (string) get_post_meta( $post_id, '_VenueZip', true ),
					'country'     => (string) get_post_meta( $post_id, '_VenueCountry', true ),
				],
			],
		];

		if ( $eb_venue_id ) {
			$result = $this->api->update_venue( $eb_venue_id, $body );
		} else {
			$result = $this->api->create_venue( $org_id, $body );
		}

		if ( is_wp_error( $result ) ) {
			return $result;
		}

		$new_id = $result['id'] ?? '';
		if ( $new_id ) {
			update_post_meta( $post_id, '_eb4tec_venue_id', sanitize_text_field( $new_id ) );
		}

		return $new_id ?: new WP_Error( 'eb4tec_no_venue_id', __( 'Eventbrite did not return a venue ID.', 'eb4tec' ) );
	}

	public function find_tec_venue( string $eb_venue_id ): int {
		$query = new WP_Query( [
			'post_type'      => 'tribe_venue',
			'post_status'    => 'publish',
			'posts_per_page' => 1,
			'fields'         => 'ids',
			'meta_query'     => [ [
				'key'   => '_eb4tec_venue_id',
				'value' => $eb_venue_id,
			] ],
		] );

		return $query->posts[0] ?? 0;
	}

	private function save_venue_meta( int $post_id, string $eb_venue_id, array $address, array $result ): void {
		update_post_meta( $post_id, '_eb4tec_venue_id', sanitize_text_field( $eb_venue_id ) );
		update_post_meta( $post_id, '_eb4tec_venue_last_synced', time() );

		update_post_meta( $post_id, '_VenueAddress', sanitize_text_field( $address['address_1'] ?? '' ) );
		update_post_meta( $post_id, '_VenueCity', sanitize_text_field( $address['city'] ?? '' ) );
		update_post_meta( $post_id, '_VenueStateProvince', sanitize_text_field( $address['region'] ?? '' ) );
		update_post_meta( $post_id, '_VenueZip', sanitize_text_field( $address['postal_code'] ?? '' ) );
		update_post_meta( $post_id, '_VenueCountry', sanitize_text_field( $address['country'] ?? '' ) );

		$lat = $address['latitude'] ?? '';
		$lng = $address['longitude'] ?? '';
		if ( $lat ) {
			update_post_meta( $post_id, '_VenueGeoLat', sanitize_text_field( $lat ) );
		}
		if ( $lng ) {
			update_post_meta( $post_id, '_VenueGeoLng', sanitize_text_field( $lng ) );
		}
	}
}