<?php

namespace cx_newsletter;
use \add_action;
use \add_filter;
use \load_plugin_textdomain;
use \wp_next_scheduled;
use \wp_schedule_event;
use \add_menu_page;
use \wpdb;

class plugin {
    public function __construct(string $plugin) {
        add_action('admin_menu', [$this, 'admin']);
        add_action('init', [$this, 'init']);
        add_action('rest_api_init', [$this, 'register_rest']);
        add_action('cx_newsletter_email_sender', [$this, 'email_sender']);
        add_filter('cron_schedules', [$this, 'add_schedules']);
   
        global $wpdb;
        $this->database = $wpdb;
        $this->plugin = $plugin;

        $directory = new \cx_appengine\directory(templates_dir, 'html');
        $dictionary = new wordpress_dictionary;
        $this->templates = new \cx_appengine\templates($directory, $dictionary);
        $this->settings = new plugin_settings();
        $this->tables = new table_names($this->get_database());
        $this->versions = new database_versions_manager();

        $this->init_cron();
    }

    public function init() { 
        $this->export = new customers_export_page(
            $this->database,
            $this->tables,
            $this->settings
        );

        $this->export->prepare();

        $this->translations();
    }
    
    private function translations() : void { 
        load_plugin_textdomain(
            'cx_newsletter', 
            false, 
            $this->plugin.'/translates');
    }

    public function add_schedules(array $intervals) : array {
        $intervals['cx_newsletter_send'] = [];
        $intervals['cx_newsletter_send']['interval'] = 60;
        $intervals['cx_newsletter_send']['display'] = 'cx-newsletter';

        return $intervals;
    }

    public function register_rest() : void {
        $this->messages_get = new messages_get_endpoint(
            $this->database,
            $this->settings,
            $this->tables
        );

        $this->messages_send = new messages_send_endpoint(
            $this->database,
            $this->settings,
            $this->tables
        );

        $this->settings_check = new settings_check_endpoint(
            $this->database,
            $this->settings,
            $this->tables
        );

        $registerer = new rest_register('cx-newsletter/v1');
        $registerer
        ->register($this->messages_get)
        ->register($this->messages_send)
        ->register($this->settings_check);
    }

    private function init_cron() : void {
        if (wp_next_scheduled('cx_newsletter_email_sender') === false) {
            wp_schedule_event(
                time(),
                'cx_newsletter_send',
                'cx_newsletter_email_sender'
            );
        }
    }
    
    public function email_sender() {
        $sender = new cron_emails_sender(
            $this->database,
            $this->tables,
            $this->settings
        );

        $sender
        ->prepare()
        ->process();
    }

    public function admin() {
        $this->update();
        $this->connect_menu();

        $config_panel = new config_panel_view(
            $this->get_database(),
            $this->get_settings(),
            $this->get_templates(),
            $this->get_tables()
        );

        $dashboard = new dashboard_view(
            $this->get_database(),
            $this->get_settings(),
            $this->get_templates(),
            $this->get_tables()
        );

        $manage_messages = new manage_messages_view(
            $this->get_database(),
            $this->get_settings(),
            $this->get_templates(),
            $this->get_tables()
        );
 
        $manage_customers = new manage_customers_view(
            $this->get_database(),
            $this->get_settings(),
            $this->get_templates(),
            $this->get_tables()
        );       

        $show_campaigns = new show_campaigns_view(
            $this->get_database(),
            $this->get_settings(),
            $this->get_templates(),
            $this->get_tables()
        );       
        
        $manage_groups = new manage_groups_view(
            $this->get_database(),
            $this->get_settings(),
            $this->get_templates(),
            $this->get_tables()
        );

        $sending_test = new sending_test_view(
            $this->get_database(),
            $this->get_settings(),
            $this->get_templates(),
            $this->get_tables()
        );

        $config_panel->connect();
        $dashboard->connect();
        $manage_messages->connect();
        $manage_customers->connect();
        $show_campaigns->connect();
        $manage_groups->connect();
        $sending_test->connect();
    }

    private function connect_menu() : void {
        add_menu_page(
            'cx-newsletter',
            'cx-newsletter',
            'customize',
            'cx_newsletter',
            '',
            'dashicons-art'
        );
    }

    public function update() {
        $this
        ->get_plugin_updater()
        ->update();
    }

    private function get_plugin_updater() : plugin_updater {
        return new plugin_updater(
            $this->get_settings(),
            $this->get_versions(),
            $this->get_tables(),
            $this->get_database()
        );
    }

    public function install() {
        $this
        ->get_plugin_updater()
        ->install();
    }

    public function remove() {
        $this
        ->get_plugin_updater()
        ->remove();
    }

    protected function get_database() : wpdb {
        return $this->database;
    }

    protected function get_templates() : \cx_appengine\templates {
        return $this->templates;
    }   

    protected function get_settings() : settings { 
        return $this->settings;
    }

    protected function get_tables() : table_names {
        return $this->tables;
    }

    protected function get_versions() : database_versions_manager {
        return $this->versions;
    }
    
    private string $plugin;
    private \cx_appengine\templates $templates;
    private wpdb $database;
    private table_names $tables;
    private settings $settings;
    private messages_get_endpoint $messages_get;
    private messages_send_endpoint $messages_send;
    private settings_check_endpoint $settings_check;
    private database_versions_manager $versions;
}