<?php if (!defined('ABSPATH')) {
    die('Direct access forbidden.');
}

include_once ABSPATH."wp-admin/includes/class-wp-filesystem-base.php";
include_once ABSPATH."wp-admin/includes/class-wp-filesystem-direct.php";

class Brizy_Editor_Project extends Brizy_Editor_Entity
{

    use Brizy_Editor_AutoSaveAware;
    use Brizy_Editor_Asset_StaticFileTrait;


    const BRIZY_PROJECT = 'brizy-project';
    const BRIZY_PROJECT_STYLES = 'brizy-project-styles';

    /**
     * @var Brizy_Editor_Project
     */
    static protected $instance = null;

    /**
     * @var Brizy_Editor_API_Project
     */
    protected $api_project = null;

    //---------------------------------------------------------------------------------------------------
    protected $id;
    protected $title;
    protected $globals;
    protected $name;
    protected $user;
    protected $template;
    protected $created;
    protected $updated;
    protected $languages;
    protected $pluginVersion;
    protected $editorVersion;
    protected $signature;
    protected $accounts;
    protected $license_key;
    protected $forms;
    protected $cloud_account_id;
    protected $cloud_token;
    protected $cloudContainer;
    protected $cloud_project;
    protected $image_optimizer_settings;
    protected $data;
    protected $compiledStyles;
    //---------------------------------------------------------------------------------------------------
    protected $isDataChanged = false;
    //---------------------------------------------------------------------------------------------------

    /**
     * Brizy_Editor_Project constructor.
     *
     * @param WP_Post $post
     *
     * @throws Exception
     */
    public function __construct(WP_Post $post)
    {
        $this->setWpPostId($post->ID);
        $this->loadInstanceData();
    }

    protected function getObjectKey()
    {
        return self::BRIZY_PROJECT;
    }

    protected function loadInstanceData()
    {
        $this->loadProjectData($this->getStorage()->get_storage());
    }

    protected function populateAutoSavedData($autosave)
    {
        $autosave->loadProjectData($this->convertToOptionValue());
    }

    public function getStorage()
    {
        return Brizy_Editor_Storage_Project::instance($this->getWpPostId());
    }

    public static function cleanClassCache()
    {
        self::$instance = array();
    }

    static public function registerCustomPostType()
    {
        register_post_type(
            self::BRIZY_PROJECT,
            array(
                'public' => false,
                'has_archive' => false,
                'description' => __('Brizy Project.'),
                'publicly_queryable' => false,
                'show_ui' => false,
                'show_in_menu' => false,
                'query_var' => false,
                'hierarchical' => false,
                'show_in_rest' => false,
                'exclude_from_search' => true,
                'supports' => array('title', 'revisions', 'page-attributes'),
            )
        );
    }

    /**
     * @param null $postId
     * @param null $uid
     *
     * @return Brizy_Editor_Project|null
     * @throws Exception
     */
    public static function get($postId = null, $uid = null)
    {

        if (isset(self::$instance[$postId])) {
            return self::$instance[$postId];
        }

        try {
            $wp_post = self::getPost($postId);
        } catch (Exception $e) {
            Brizy_Logger::instance()->exception($e);
            throw $e;
        }

        return self::$instance[$postId] = new self($wp_post);
    }

    /**
     * @return false|WP_Post
     * @throws Exception
     */
    static protected function getPost($postId = null)
    {
        global $wpdb;

        if ($postId) {
            return WP_Post::get_instance($postId);
        }

        $row = $wpdb->get_results(
            $wpdb->prepare(
                "SELECT * FROM {$wpdb->posts} p
									WHERE p.post_type = %s and p.post_status='publish' 
									ORDER BY ID DESC LIMIT 1 ",
                self::BRIZY_PROJECT
            ),
            OBJECT
        );

        if (is_null($row)) {
            Brizy_Logger::instance()->critical('Failed to check if the project exist.', []);
            throw new Exception('Failed to check if the project exist.');
        }

        if (isset($row[0])) {
            return WP_Post::get_instance($row[0]->ID);
        }

        $post_id = self::createPost();

        return WP_Post::get_instance($post_id);
    }

    /**
     * @return int|WP_Error
     * @throws Exception
     */
    private static function createPost()
    {
        global $wpdb;
        $defaultJsonPath = Brizy_Editor_UrlBuilder::editor_build_path('defaults.json');

        if (!file_exists($defaultJsonPath)) {
            $message = 'Failed to create the default project data. '.$defaultJsonPath.' was not found. ';
            Brizy_Logger::instance()->critical($message, [$message]);
            throw new Exception($message);
        }

        $project_data = array(
            'id' => md5(uniqid('Local project', true)),
            'title' => 'Brizy Project',
            'name' => uniqid('Local project', true),
            'user' => null,
            'template' => array('slug' => 'brizy'),
            'created' => new DateTime(),
            'updated' => new DateTime(),
            'languages' => array(),
            'pluginVersion' => BRIZY_VERSION,
            'editorVersion' => BRIZY_EDITOR_VERSION,
            'signature' => Brizy_Editor_Signature::get(),
            'accounts' => array(),
            'forms' => array(),
            'data' => base64_encode(file_get_contents($defaultJsonPath)),
            'cloudContainer' => null,
            'brizy-license-key' => null,
            'brizy-cloud-token' => null,
            'brizy-cloud-account-id' => null,

            'brizy-cloud-project' => null,
            'image-optimizer-settings' => array(),
        );

        try {
            $wpdb->query('START TRANSACTION');
            $wpdb->insert($wpdb->posts, [
                'post_type' => self::BRIZY_PROJECT,
                'post_title' => 'Brizy Project',
                'post_status' => 'publish',
                'comment_status' => 'closed',
                'ping_status' => 'closed',
                'post_author' => 0,
                'post_content' => '',
                'post_excerpt' => '',
                'post_password' => '',
                'to_ping' => '',
                'pinged' => '',
                'post_parent' => 0,
                'menu_order' => 0,
                'guid' => '',
                'post_date' => current_time('mysql'),
                'post_date_gmt' => current_time('mysql', 1),
            ]);
            $post_id = $wpdb->insert_id;

            $storage = Brizy_Editor_Storage_Project::instance($post_id);
            $storage->loadStorage($project_data);

            $wpdb->query('COMMIT');

            Brizy_Logger::instance()->notice('Create new project', array('id' => $post_id));

            // as we create the project we must update the dataVersion to 1
            update_post_meta($post_id, Brizy_Editor_Entity::BRIZY_DATA_VERSION_KEY, 1);

            return $post_id;
        } catch (Exception $e) {
            $wpdb->query('ROLLBACK');
            throw $e;
        }
    }

    /**
     * This will be returned by api when project is requested
     */
    public function createResponse($fields = array(), $context = Brizy_Editor_Editor_Editor::EDITOR_CONTEXT)
    {
        $data = array(
            'id' => $this->getId(),
            'data' => $this->getDataAsJson(),
            'dataVersion' => $this->getCurrentDataVersion(),
            'compiled' => $this->get_compiler(),
        );

        return $data;
    }


    /**
     * @return array
     */
    public function convertToOptionValue()
    {
        return array(
            'id' => $this->id,
            'title' => $this->title,
            'name' => $this->name,
            'user' => $this->user,
            'template' => $this->template,
            'created' => $this->created,
            'updated' => $this->updated,
            //'languages'                => $this->languages,
            'pluginVersion' => $this->pluginVersion,
            'editorVersion' => $this->editorVersion,
            'signature' => $this->signature,
            'accounts' => $this->accounts,
            'forms' => $this->forms,
            'data' => $this->data,
            'compiledStyles' => base64_encode(json_encode($this->compiledStyles)),
            'brizy-license-key' => $this->license_key,
            'brizy-cloud-token' => $this->cloud_token,
            'brizy-cloud-project' => $this->cloud_project,
            'brizy-cloud-account-id' => $this->cloud_account_id,
            'cloudContainer' => $this->cloudContainer,
            'image-optimizer-settings' => $this->image_optimizer_settings,
            'compiled' => $this->get_compiler(),
        );
    }

    protected function loadProjectData($data)
    {

        $this->id = isset($data['id']) ? $data['id'] : null;
        $this->title = isset($data['title']) ? $data['title'] : null;
        $this->name = isset($data['name']) ? $data['name'] : null;
        $this->user = isset($data['user']) ? $data['user'] : null;
        $this->template = isset($data['template']) ? $data['template'] : null;
        $this->created = isset($data['created']) ? $data['created'] : null;
        $this->updated = isset($data['updated']) ? $data['updated'] : null;
        $this->languages = isset($data['languages']) ? $data['languages'] : null;
        $this->pluginVersion = isset($data['pluginVersion']) ? $data['pluginVersion'] : null;
        $this->editorVersion = isset($data['editorVersion']) ? $data['editorVersion'] : null;
        $this->signature = isset($data['signature']) ? $data['signature'] : null;
        $this->accounts = isset($data['accounts']) ? $data['accounts'] : null;
        $this->forms = isset($data['forms']) ? $data['forms'] : null;
        $this->data = isset($data['data']) ? $data['data'] : null;
        $this->license_key = isset($data['brizy-license-key']) ? $data['brizy-license-key'] : null;
        $this->cloud_token = isset($data['brizy-cloud-token']) ? $data['brizy-cloud-token'] : null;
        $this->cloud_project = isset($data['brizy-cloud-project']) ? $data['brizy-cloud-project'] : null;
        $this->cloud_account_id = isset($data['brizy-cloud-account-id']) ? $data['brizy-cloud-account-id'] : null;
        $this->cloudContainer = isset($data['cloudContainer']) ? $data['cloudContainer'] : null;
        $this->image_optimizer_settings = isset($data['image-optimizer-settings']) ? $data['image-optimizer-settings'] : array();
        $compiledStyles = isset($data['compiledStyles']) ? $data['compiledStyles'] : '[]';
        $this->compiledStyles = json_decode(base64_decode($compiledStyles), true);
        $this->set_compiler(isset($data['compiler']) ? $data['compiler'] : Brizy_Editor_Entity::COMPILER_EXTERNAL);

    }

    /**
     * This saves ony data.. it does not touch the wordpress post
     *
     * @return bool
     */
    public function save($autosave = 0)
    {

        parent::save($autosave);

        if (!$this->isDataChanged) {
            return;
        }

        if ($autosave == 0) {
            $this->saveStorage();
        } else {
            $this->auto_save_post($this->getWpPost(), function (self $autoSaveObject) {
                $this->populateAutoSavedData($autoSaveObject);
                $autoSaveObject->saveStorage();
            });
        }
    }

    public function saveStorage()
    {
        $value = $this->convertToOptionValue();
        $this->getStorage()->loadStorage($value);
    }

    /**
     * Create revision
     */
    public function savePost()
    {
        if (!$this->isDataChanged) {
            return;
        }

        $post_type = $this->getWpPost()->post_type;
        $post_type_object = get_post_type_object($post_type);
        $can_publish = current_user_can($post_type_object->cap->publish_posts);
        $post_status = $can_publish ? 'publish' : 'pending';

        $this->deleteOldAutoSaves($this->getWpPostParentId());

        wp_update_post(array(
            'ID' => $this->getWpPostId(),
            'post_status' => $post_status,
            'post_content' => md5(time()),
        ));
    }

    /**
     * @return mixed
     */
    public function getTitle()
    {
        return $this->title;
    }

    /**
     * @param mixed $title
     */
    public function setTitle($title)
    {
        $this->title = $title;
    }

    /**
     * @return mixed
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * @param mixed $name
     */
    public function setName($name)
    {
        $this->name = $name;
    }

    /**
     * @return mixed
     */
    public function getUser()
    {
        return $this->user;
    }

    /**
     * @param mixed $user
     */
    public function setUser($user)
    {
        $this->user = $user;
    }

    /**
     * @return mixed
     */
    public function getTemplate()
    {
        return $this->template;
    }

    /**
     * @param mixed $template
     */
    public function setTemplate($template)
    {
        $this->template = $template;
    }

    /**
     * @return mixed
     */
    public function getCreated()
    {
        return $this->created;
    }

    /**
     * @param mixed $created
     */
    public function setCreated($created)
    {
        $this->created = $created;
    }

    /**
     * @return mixed
     */
    public function getUpdated()
    {
        return $this->updated;
    }

    /**
     * @param mixed $updated
     */
    public function setUpdated($updated)
    {
        $this->updated = $updated;
    }

    /**
     * @return mixed
     */
    public function getLanguages()
    {
        return $this->languages;
    }

    /**
     * @param mixed $languages
     */
    public function setLanguages($languages)
    {
        $this->languages = $languages;
    }

    /**
     * @return mixed
     */
    public function getPluginVersion()
    {
        return $this->pluginVersion;
    }

    /**
     * @param mixed $pluginVersion
     */
    public function setPluginVersion($pluginVersion)
    {
        $this->pluginVersion = $pluginVersion;
    }

    /**
     * @return mixed
     */
    public function getEditorVersion()
    {
        return $this->editorVersion;
    }

    /**
     * @param mixed $editorVersion
     */
    public function setEditorVersion($editorVersion)
    {
        $this->editorVersion = $editorVersion;
    }

    /**
     * @return mixed
     */
    public function getSignature()
    {
        return $this->signature;
    }

    /**
     * @param mixed $signature
     */
    public function setSignature($signature)
    {
        $this->signature = $signature;
    }

    /**
     * @return mixed
     */
    public function getAccounts()
    {
        return $this->accounts;
    }

    /**
     * @param mixed $accounts
     */
    public function setAccounts($accounts)
    {
        $this->accounts = $accounts;
    }

    /**
     * @return mixed
     */
    public function getLicenseKey()
    {
        return $this->license_key;
    }

    /**
     * @param mixed $license_key
     */
    public function setLicenseKey($license_key)
    {
        $this->license_key = $license_key;
    }

    /**
     * @return mixed
     */
    public function getForms()
    {
        return $this->forms;
    }

    /**
     * @param mixed $forms
     */
    public function setForms($forms)
    {
        $this->forms = $forms;
    }

    /**
     * @return mixed
     */
    public function getCloudToken()
    {
        return $this->cloud_token;
    }

    /**
     * @param mixed $cloud_token
     */
    public function setCloudToken($cloud_token)
    {
        $this->cloud_token = $cloud_token;
    }

    /**
     * @return mixed
     */
    public function getCloudContainer()
    {
        return $this->cloudContainer;
    }

    /**
     * @param mixed $cloudContainer
     *
     * @return Brizy_Editor_Project
     */
    public function setCloudContainer($cloudContainer)
    {
        $this->cloudContainer = $cloudContainer;

        return $this;
    }

    /**
     * @return mixed
     */
    public function getCloudProject()
    {
        return $this->cloud_project;
    }

    /**
     * @param mixed $cloud_project
     */
    public function setCloudProject($cloud_project)
    {
        $this->cloud_project = $cloud_project;
    }

    /**
     * @return mixed
     */
    public function getCloudAccountId()
    {
        return $this->cloud_account_id;
    }

    /**
     * @param mixed $cloud_account_id
     *
     * @return Brizy_Editor_Project
     */
    public function setCloudAccountId($cloud_account_id)
    {
        $this->cloud_account_id = $cloud_account_id;

        return $this;
    }

    /**
     * @return mixed
     */
    public function getCompiledStyles()
    {
        return $this->compiledStyles;
    }

    /**
     * @param mixed $compiledStyles
     */
    public function setCompiledStyles($compiledStyles)
    {

        $this->isDataChanged = $this->isDataChanged ? true : ($compiledStyles !== $this->compiledStyles);
        $this->compiledStyles = $compiledStyles;

        return $this;
    }

    public function setCompiledStylesAsJson($compiledStylesJson)
    {
        $this->setCompiledStyles(json_decode($compiledStylesJson, true));
    }

    /**
     * @return bool
     */
    public function getCompiledAssetGroup()
    {
        $page_styles = $this->getCompiledStyles();
        $assets = [];
        foreach ($page_styles['styles'] as $style) {
            $assets[] = BrizyMerge\Assets\Asset::instanceFromJsonData($style);
        }

        return new \BrizyMerge\Assets\AssetGroup(null, [], [], [], [], $assets);
    }

    //====================================================================================================================================================================================

    //====================================================================================================================================================================================

    /**
     * @return mixed
     */
    public function getGlobals()
    {
        return $this->globals;
    }

    /**
     * @return bool|string
     */
    public function getGlobalsAsJson()
    {
        return base64_decode($this->getGlobals());
    }

    /**
     * @return array|mixed|object
     */
    public function getDecodedGlobals()
    {
        return json_decode($this->getGlobalsAsJson());
    }

    /**
     * @param mixed $globals
     *
     * @return Brizy_Editor_Project
     */
    public function setGlobals($globals)
    {
        $this->globals = $globals;

        return $this;
    }

    public function setGlobalsAsJson($globals)
    {
        $this->setGlobals(base64_encode($globals));

        return $this;
    }
//====================================================================================================================================================================================

    /**
     * @return mixed
     */
    public function getData()
    {
        return $this->data;
    }

    /**
     * @param mixed $data
     *
     *
     * @return Brizy_Editor_Project
     */
    public function setData($data)
    {

        $this->isDataChanged = $data !== $this->data;
        $this->data = $data;

        return $this;
    }

    public function setDataAsJson($data)
    {
        $encodedData = base64_encode($data);

        if ($encodedData === false) {
            throw new Exception('Failed to base64 encode the project data');
        }

        $this->setData($encodedData);

        return $this;
    }

    public function getDataAsJson()
    {
        return base64_decode($this->getData());
    }

    /**
     * @return bool|string
     * @throws Brizy_Editor_Exceptions_NotFound
     */
    public function getDecodedData()
    {
        return json_decode($this->getDataAsJson());
    }

    /**
     * @return mixed
     */
    public function getId()
    {
        return $this->id;
    }


    /**
     * @return mixed
     */
    public function getTemplateSlug()
    {
        $template = $this->getTemplate();

        return $template['slug'];
    }

    /**
     * @param null $optimizer_id
     * @param null $key
     *
     * @return array|null
     */
    public function getImageOptimizerSettings($optimizer_id = null, $key = null)
    {

        if ($optimizer_id && $key) {
            return isset($this->image_optimizer_settings[$optimizer_id][$key]) ? $this->image_optimizer_settings[$optimizer_id][$key] : null;
        }

        return $this->image_optimizer_settings;
    }

    /**
     * @param mixed $image_optimizer_settings
     *
     * @return Brizy_Editor_Project
     */
    public function setImageOptimizerSettings($image_optimizer_settings)
    {
        $this->image_optimizer_settings = $image_optimizer_settings;

        return $this;
    }


    /**
     * @param $key
     * @param $value
     *
     * @return mixed
     */
    public function setMetaValue($key, $value)
    {

        wp_raise_memory_limit('image');

        if (is_null($key)) {
            throw new InvalidArgumentException('The key parameter should not be null');
        }

        if ($key == 'brizy-license-key') {
            $this->setLicenseKey($value);
        }
        if ($key == 'brizy-cloud-token') {
            $this->setCloudToken($value);
        }
        if ($key == 'brizy-cloud-account-id') {
            $this->setCloudAccountId($value);
        }
        if ($key == 'brizy-cloud-project') {
            $this->setCloudProject($value);
        }

        if ($key == 'brizy-cloud-container') {
            $this->setCloudContainer($value);
        }

        if ($key == 'image-optimizer-settings') {
            $this->setImageOptimizerSettings($value);
        }

        return $this->$key = $value;

    }


    /**
     * @param $key
     */
    public function removeMetaValue($key)
    {

        if (is_null($key)) {
            throw new InvalidArgumentException('The key parameter should not be null');
        }

        if ($key == 'brizy-license-key') {
            $this->setLicenseKey(null);
        }
        if ($key == 'brizy-cloud-account-id') {
            $this->setCloudAccountId(null);
        }
        if ($key == 'brizy-cloud-token') {
            $this->setCloudToken(null);
        }
        if ($key == 'brizy-cloud-project') {
            $this->setCloudProject(null);
        }
        if ($key == 'image-optimizer-settings') {
            $this->setImageOptimizerSettings(null);
        }

        if (isset($this->$key)) {
            unset($this->$key);
        }

    }


    /**
     * @param $key
     *
     * @return |null
     */
    public function getMetaValue($key)
    {

        if (is_null($key)) {
            throw new InvalidArgumentException('The key parameter should not be null');
        }

        if ($key == 'brizy-license-key') {
            return $this->getLicenseKey();
        }

        if ($key == 'brizy-cloud-account-id') {
            $this->getCloudAccountId();
        }

        if ($key == 'brizy-cloud-token') {
            return $this->getCloudToken();
        }
        if ($key == 'brizy-cloud-project') {
            return $this->getCloudProject();
        }
        if ($key == 'image-optimizer-settings') {
            return $this->getImageOptimizerSettings();
        }

        if (isset($this->$key)) {
            return $this->$key;
        }

        return null;
    }

    /**
     * @return Brizy_Editor_API_Project
     */
    public function getApiProject()
    {
        return $this->api_project;
    }


}