<?php
/**
 * Project helper for the ks-portfolio theme.
 *
 * Thin wrapper around the projects-portfolio plugin's provider-aware
 * helpers. Templates should call these methods instead of branching on
 * provider, so the theme stays decoupled from GitHub/Gitea implementation
 * details.
 *
 * Every accessor is safe to call whether the plugin is active or not: when
 * the underlying function is missing or repo data is unavailable, defaults
 * that match the documented data contract are returned.
 *
 * @package KsPortfolio
 */

namespace KsPortfolio;

/**
 * Provider-agnostic helper wrapping the projects-portfolio plugin.
 */
class Projects {

	/**
	 * Whether the projects-portfolio plugin is active.
	 *
	 * @return bool
	 */
	public static function is_plugin_active(): bool {
		return function_exists( 'projects_portfolio_get_provider' );
	}

	/**
	 * Provider label for a project (e.g. 'GitHub', 'Gitea', or 'Unknown').
	 *
	 * @param int $post_id Project post ID.
	 * @return string
	 */
	public static function get_provider_label( int $post_id ): string {
		if ( ! self::is_plugin_active() ) {
			return 'Unknown';
		}
		$provider = projects_portfolio_get_provider( $post_id );
		return method_exists( $provider, 'get_label' ) ? (string) $provider->get_label() : 'Unknown';
	}

	/**
	 * Release ZIP URL (or empty string).
	 *
	 * @param int $post_id Project post ID.
	 * @return string
	 */
	public static function get_release_url( int $post_id ): string {
		if ( ! self::is_plugin_active() ) {
			return '';
		}
		return (string) projects_portfolio_get_release_url( $post_id );
	}

	/**
	 * Public repository browse URL (or empty string).
	 *
	 * @param int $post_id Project post ID.
	 * @return string
	 */
	public static function get_repo_browse_url( int $post_id ): string {
		if ( ! self::is_plugin_active() ) {
			return '';
		}
		$provider = projects_portfolio_get_provider( $post_id );
		return method_exists( $provider, 'get_repo_browse_url' ) ? (string) $provider->get_repo_browse_url() : '';
	}

	/**
	 * Normalized repository data array (or null).
	 *
	 * @param int $post_id Project post ID.
	 * @return array<string,mixed>|null
	 */
	public static function get_repo_data( int $post_id ) {
		if ( ! self::is_plugin_active() ) {
			return null;
		}
		$data = projects_portfolio_get_repo_data( $post_id );
		return is_array( $data ) ? $data : null;
	}

	/**
	 * Owner data (avatar/login/html_url) or null.
	 *
	 * @param int $post_id Project post ID.
	 * @return array<string,mixed>|null
	 */
	public static function get_owner_data( int $post_id ) {
		$data = self::get_repo_data( $post_id );
		if ( ! $data || empty( $data['owner']['login'] ) ) {
			return null;
		}
		return $data['owner'];
	}

	/**
	 * Latest release tag, or 'Unknown'.
	 *
	 * @param int $post_id Project post ID.
	 * @return string
	 */
	public static function get_latest_version( int $post_id ): string {
		if ( ! self::is_plugin_active() ) {
			return 'Unknown';
		}
		$provider = projects_portfolio_get_provider( $post_id );
		return method_exists( $provider, 'get_latest_version' ) ? (string) $provider->get_latest_version() : 'Unknown';
	}

	/**
	 * Local download endpoint URL for the project.
	 *
	 * @param int $post_id Project post ID.
	 * @return string
	 */
	public static function get_download_url( int $post_id ): string {
		return home_url( '/download/' . $post_id . '/' );
	}

	/**
	 * Render a stat-card-safe integer with optional formatting.
	 *
	 * @param mixed $value Raw repo stat value.
	 * @return string Display-safe string ('1.2k', '12,345', etc.) or '—' when empty.
	 */
	public static function format_stat( $value ): string {
		if ( null === $value || '' === $value ) {
			return '—';
		}
		$value = (int) $value;
		if ( $value >= 10000 ) {
			return number_format( $value / 1000, 1 ) . 'k';
		}
		return number_format( $value );
	}
}