<?php

namespace Barn2\PTS_Lib\Plugin;

use Barn2\PTS_Lib\Util;

/**
 * Basic implementation of the Plugin interface which stores core data about a
 * WordPress plugin (ID, version number, etc). Data is passed as an array on construction.
 *
 * @package   Barn2/barn2-lib
 * @author    Barn2 Plugins <info@barn2.co.uk>
 * @license   GPL-3.0
 * @copyright Barn2 Media Ltd
 * @version   1.2
 */
class Simple_Plugin implements Plugin {

    protected $file;
    protected $data;
    private $basename = null;
    private $dir_path = null;
    private $dir_url  = null;

    public function __construct( array $data ) {
        $this->data = \array_merge(
            array(
                'name'               => '',
                'version'            => '',
                'file'               => null,
                'is_woocommerce'     => false,
                'is_edd'             => false,
                'documentation_path' => '',
                'settings_path'      => '',
            ), $data
        );

        $this->data['documentation_path'] = \ltrim( $this->data['documentation_path'], '/' );
        $this->data['settings_path']      = \ltrim( $this->data['settings_path'], '/' );

        // WooCommerce plugins cannot be EDD plugins (and vice-versa).
        if ( $this->is_edd() ) {
            $this->data['is_woocommerce'] = false;
        } elseif ( $this->is_woocommerce() ) {
            $this->data['is_edd'] = false;
        }
    }

    /**
     * Gets the name of this plugin.
     *
     * @return string The plugin name.
     */
    public function get_name() {
        return $this->data['name'];
    }

    /**
     * Gets the plugin version number (e.g. 1.3.2).
     *
     * @return string The version number.
     */
    public function get_version() {
        return $this->data['version'];
    }

    /**
     * Gets the full path to the main plugin file.
     *
     * @return string The plugin file.
     */
    public function get_file() {
        return $this->data['file'];
    }

    /**
     * Gets the slug for this plugin (e.g. my-plugin).
     *
     * @return string The plugin slug.
     */
    public function get_slug() {
        $dir_path = $this->get_dir_path();
        return ! empty( $dir_path ) ? \basename( $dir_path ) : '';
    }

    /**
     * Gets the 'basename' for the plugin (e.g. my-plugin/my-plugin.php).
     *
     * @return string The plugin basename.
     */
    public function get_basename() {
        if ( null === $this->basename ) {
            $this->basename = ! empty( $this->data['file'] ) ? \plugin_basename( $this->data['file'] ) : '';
        }
        return $this->basename;
    }

    /**
     * Get the full directory path to the plugin folder, with trailing slash (e.g. /wp-content/plugins/my-plugin/).
     *
     * @return string The plugin directory path.
     */
    public function get_dir_path() {
        if ( null === $this->dir_path ) {
            $this->dir_path = ! empty( $this->data['file'] ) ? \plugin_dir_path( $this->data['file'] ) : '';
        }
        return $this->dir_path;
    }

    /**
     * Get the URL to the plugin folder.
     *
     * @return string (URL)
     */
    public function get_dir_url() {
        if ( null === $this->dir_url ) {
            $this->dir_url = ! empty( $this->data['file'] ) ? \plugin_dir_url( $this->data['file'] ) : '';
        }
        return $this->dir_url;
    }

    /**
     * Is this plugin a WooCommerce extension?
     *
     * @return boolean true if it's a WooCommerce extension.
     */
    public function is_woocommerce() {
        return (bool) $this->data['is_woocommerce'];
    }

    /**
     * Is this plugin an Easy Digital Downloads extension?
     *
     * @return boolean true if it's an EDD extension.
     */
    public function is_edd() {
        return (bool) $this->data['is_edd'];
    }

    /**
     * Get the documentation URL for this plugin.
     *
     * @return string (URL)
     */
    public function get_documentation_url() {
        return esc_url( Util::KNOWLEDGE_BASE_URL . '/' . $this->data['documentation_path'] );
    }

    /**
     * Get the support URL for this plugin.
     *
     * @return string (URL)
     */
    public function get_support_url() {
        return Util::barn2_url( 'support-center/' );
    }

    /**
     * Get the settings page URL in the WordPress admin.
     *
     * @return string (URL)
     */
    public function get_settings_page_url() {
        return ! empty( $this->data['settings_path'] ) ? \admin_url( $this->data['settings_path'] ) : '';
    }

}