<?php

/**
 * @author The Courier Guy
 * @package ls-framework/core
 */
class CustomPluginDependencies
{

    private $activePlugins = [];
    private $invalidatedPlugins = [];
    private $pluginFile;

    /**
     * CustomPluginDependencies constructor.
     *
     * @param $pluginFile
     */
    public function __construct($pluginFile)
    {
        $this->setPluginFile($pluginFile);
        if (!$this->activePlugins) {
            $this->activePlugins = (array)get_option('active_plugins', array());
            if (is_multisite()) {
                $this->activePlugins = array_merge(
                    $this->activePlugins,
                    get_site_option('active_sitewide_plugins', array())
                );
            }
        }
        add_action('activated_plugin', [$this, 'installPluginAfterWoocommerce']);
    }

    /**
     *
     */
    public function installPluginAfterWoocommerce()
    {
        $pluginFileBaseName    = plugin_basename($this->getPluginFile());
        $woocommercePluginPath = 'woocommerce/woocommerce.php';
        $plugins               = get_option('active_plugins');
        if (!empty($plugins)) {
            $pluginKey            = array_search($pluginFileBaseName, $plugins);
            $woocommercePluginKey = array_search($woocommercePluginPath, $plugins);
            if ($pluginKey < $woocommercePluginKey) {
                array_splice($plugins, $pluginKey, 1, $woocommercePluginPath);
                array_splice($plugins, $woocommercePluginKey, 1, $pluginFileBaseName);
                update_option('active_plugins', $plugins);
            }
        }
    }

    /**
     * @param array $dependencies
     *
     * @return bool
     */
    public function checkDependencies($dependencies = [])
    {
        $dependenciesValidated = true;
        array_walk(
            $dependencies,
            function ($dependencyValues, $dependencyPath) {
                if (!$this->validateDependency($dependencyPath)) {
                    $this->addInvalidatedPlugins($dependencyPath, $dependencyValues);
                }
            }
        );
        $invalidPlugins = $this->getInvalidatedPlugins();
        if (!empty($invalidPlugins)) {
            $dependenciesValidated = false;
            add_action('admin_notices', [$this, 'addInvalidatedPluginNotice']);
        }

        return $dependenciesValidated;
    }

    /**
     *
     */
    public function addInvalidatedPluginNotice()
    {
        $invalidatedPlugins = $this->getInvalidatedPlugins();
        array_walk(
            $invalidatedPlugins,
            function ($invalidatedPlugin) {
                $notice = __($invalidatedPlugin['notice'], 'the-courier-guy');
                ?>
                <div id="message" class="error">
                    <p>
                        <?= $notice; ?>
                    </p>
                </div>
                <?php
            }
        );
    }

    /**
     * @param string $dependencyPath
     *
     * @return bool
     */
    private function validateDependency($dependencyPath)
    {
        return (in_array($dependencyPath, $this->activePlugins) || array_key_exists(
                $dependencyPath,
                $this->activePlugins
            ));
    }

    /**
     * @return array
     */
    private function getInvalidatedPlugins()
    {
        return $this->invalidatedPlugins;
    }

    /**
     * @param array $invalidatedPlugins
     */
    private function setInvalidatedPlugins($invalidatedPlugins)
    {
        $this->invalidatedPlugins = $invalidatedPlugins;
    }

    /**
     * @param string $invalidatedPluginPath
     * @param array $invalidatedPluginValues
     */
    private function addInvalidatedPlugins($invalidatedPluginPath, $invalidatedPluginValues)
    {
        $invalidatedPlugins                         = $this->getInvalidatedPlugins();
        $invalidatedPlugins[$invalidatedPluginPath] = $invalidatedPluginValues;
        $this->setInvalidatedPlugins($invalidatedPlugins);
    }

    /**
     * @return string
     */
    private function getPluginFile()
    {
        return $this->pluginFile;
    }

    /**
     * @param string $pluginFile
     */
    private function setPluginFile($pluginFile)
    {
        $this->pluginFile = $pluginFile;
    }
}
