<?php

namespace ElementsKit_Lite\Modules\Widget_Builder\Controls;

use ElementsKit_Lite\Modules\Widget_Builder\Widget_File;

defined('ABSPATH') || exit;

class Widget_Writer {

	private $widget_name;
	private $widget_id;
	private $file_handler = '';
	private $file_name;
	private $enqueue_handler_prefix;
	private $widget_class_name;
	private $folder_name;
	private $control_prefix;
	private $name_prefix = 'ekit_wb_';
	private $class_name_prefix = 'Ekit_Wb_';
	private $widget_obj;
	private $prepared_content = '';
	public $text_domain = 'elementskit-lite';

	const TAB_CONTENT = 'Controls_Manager::TAB_CONTENT';
	const TAB_STYLE = 'Controls_Manager::TAB_STYLE';
	const TAB_ADVANCE = 'Controls_Manager::TAB_ADVANCED';

	const CONTROL_GROUP_TYPE_SINGLE = 'single';
	const CONTROL_GROUP_TYPE_RESPONSIVE = 'responsive';
	const CONTROL_GROUP_TYPE_GROUPED = 'group';


	public function __construct($widget, $widget_id, $txt_domain = 'elementskit-lite') {

		$this->widget_obj  = $widget;
		$this->file_name   = '';
		$this->text_domain = $txt_domain;
		$this->widget_id   = $widget_id;

		$this->folder_name       = $this->name_prefix . $this->widget_id;
		$this->widget_name       = $this->name_prefix . $this->widget_id;
		$this->widget_class_name = $this->class_name_prefix . $this->widget_id;
		$this->control_prefix    = $this->folder_name . '_';

		$this->enqueue_handler_prefix = 'ekit-wb-' . $this->widget_id;
	}


	public function start_backing($wp_filesystem) {

		$css_enqueue = $this->prepare_css_file($this->widget_obj->css, $wp_filesystem);
		$js_enqueue  = $this->prepare_js_file($this->widget_obj->js, $wp_filesystem);
		$include_js  = !empty($this->widget_obj->js_includes) || !empty($this->widget_obj->css_includes);

		$content = $this->prepare_php_file();

		if($css_enqueue === true || $js_enqueue === true || $include_js === true) {

			$content .= $this->write_construct_method($css_enqueue, $js_enqueue);
		}

		$content .= $this->write_name_method();
		$content .= $this->write_title_method($this->widget_obj->title);
		$content .= $this->write_categories_method($this->widget_obj->categories);
		$content .= $this->write_icon_method($this->widget_obj->icon);
		$content .= $this->write_register_control_method($this->widget_obj->tabs);
		$content .= $this->write_render_method($this->widget_obj->markup);
		$content .= $this->close_widget_class();

		$this->prepared_content = $content;
	}


	private function get_url_path() {

		$upload = wp_upload_dir();

		return $upload['baseurl'] . '/elementskit/custom_widgets/' . $this->folder_name;
	}


	private function get_file_path() {

		$upload     = wp_upload_dir();
		$upload_dir = $upload['basedir'];
		$upload_dir = $upload_dir . '/elementskit/custom_widgets/' . $this->folder_name;

		if(!is_dir($upload_dir)) {
			wp_mkdir_p($upload_dir);
		}

		return $upload_dir;
	}


	public static function delete_widget($widget_id) {

		$fl_sys = Widget_File::get_wp_filesystem_pointer();

		$wb = new self([], $widget_id);

		$dir = $wb->get_file_path();

		if(file_exists($dir)) {

			$fl_sys->delete($dir, true);
		}


		return true; // :P
	}


	private function prepare_css_file($content, $file_system) {

		if(empty($content)) {
			return false;
		}

		$trimmed = trim($content);

		if(empty($trimmed)) {
			return false;
		}

		$path = $this->get_file_path();

		return $file_system->put_contents($path . '/style.css', $trimmed);
	}


	private function prepare_js_file($content, $file_system) {

		if(empty($content)) {
			return false;
		}

		$trimmed = trim($content);

		if(empty($trimmed)) {
			return false;
		}

		$path = $this->get_file_path();

		return $file_system->put_contents($path . '/script.js', $trimmed);
	}


	public function finish_backing($file_system) {

		$path = $this->get_file_path();

		return $file_system->put_contents($path . '/widget.php', $this->prepared_content);
	}


	private function prepare_php_file() {

		$ret = '<?php' . PHP_EOL . PHP_EOL;
		$ret .= 'namespace Elementor;' . PHP_EOL . PHP_EOL;
		$ret .= 'defined(\'ABSPATH\') || exit;' . PHP_EOL . PHP_EOL;
		$ret .= 'class ' . $this->widget_class_name . ' extends Widget_Base {' . PHP_EOL . PHP_EOL;

		return $ret;
	}


	private function write_construct_method($css = false, $js = false) {

		$nm       = $this->enqueue_handler_prefix;
		$url_path = $this->get_url_path();

		$ret = "\t" . 'public function __construct($data = [], $args = null) {' . PHP_EOL;
		$ret .= "\t\t" . 'parent::__construct($data, $args);' . PHP_EOL . PHP_EOL;

		if($css === true) {
			$ret .= "\t\t" . 'wp_register_style( \'' . $nm . '-style-handle\', \'' . $url_path . '/style.css\');' . PHP_EOL;
		}

		if($js === true) {
			$ret .= "\t\t" . 'wp_register_script( \'' . $nm . '-script-handle\', \'' . $url_path . '/script.js\', [ \'elementor-frontend\' ], \'1.0.0\', true );' . PHP_EOL;
		}

		if(!empty($this->widget_obj->css_includes)) {

			$ret .= PHP_EOL;

			foreach($this->widget_obj->css_includes as $idx => $cssInclude) {

				$ret .= "\t\t" . 'wp_enqueue_style( \'' . $nm . '-'.$idx.'-style-handle\', \'' . $cssInclude . '\');' . PHP_EOL;
			}
		}

		if(!empty($this->widget_obj->js_includes)) {

			$ret .= PHP_EOL;

			foreach($this->widget_obj->js_includes as $idx => $jsInclude) {

				$ret .= "\t\t" . 'wp_enqueue_script( \'' . $nm . '-'.$idx.'-script-handle\', \'' . $jsInclude . '\', [ \'elementor-frontend\' ], \'1.0.0\', true );' . PHP_EOL;
			}
		}

		$ret .= "\t" . '}' . PHP_EOL . PHP_EOL;

		if($css === true) {
			$ret .= "\n\t" . 'public function get_style_depends() {' . PHP_EOL;
			$ret .= "\t\t" . 'return [ \'' . $nm . '-style-handle\' ];' . PHP_EOL;
			$ret .= "\t" . '}' . PHP_EOL . PHP_EOL;
		}

		if($js === true) {
			$ret .= "\n\t" . 'public function get_script_depends() {' . PHP_EOL;
			$ret .= "\t\t" . 'return [ \'' . $nm . '-script-handle\' ];' . PHP_EOL;
			$ret .= "\t" . '}' . PHP_EOL . PHP_EOL;
		}

		return $ret;
	}


	private function write_name_method() {

		$ret = "\t" . 'public function get_name() {' . PHP_EOL;
		$ret .= "\t\t" . 'return \'' . $this->widget_name . '\';' . PHP_EOL;
		$ret .= "\t" . '}' . PHP_EOL . PHP_EOL;

		return $ret;
	}


	private function write_title_method($title = 'empty_title') {

		$ret = "\n\t" . 'public function get_title() {' . PHP_EOL;
		$ret .= "\t\t" . 'return esc_html__( \'' . $title . '\', \'' . $this->text_domain . '\' );' . PHP_EOL;
		$ret .= "\t" . '}' . PHP_EOL . PHP_EOL;

		return $ret;
	}


	private function write_categories_method($cat = ['basic']) {

		$cat = empty($cat) ? ['basic'] : $cat;

		$joined = '\'';
		$joined .= implode('\', \'', $cat);
		$joined .= '\'';

		$ret = "\n\t" . 'public function get_categories() {' . PHP_EOL;
		$ret .= "\t\t" . 'return [' . $joined . '];' . PHP_EOL;
		$ret .= "\t" . '}' . PHP_EOL . PHP_EOL;

		return $ret;
	}


	private function write_icon_method($icon = 'eicon-cog') {

		$ret = "\n\t" . 'public function get_icon() {' . PHP_EOL;
		$ret .= "\t\t" . 'return \'' . $icon . '\';' . PHP_EOL;
		$ret .= "\t" . '}' . PHP_EOL . PHP_EOL;

		return $ret;
	}


	private function write_register_control_method($conf = []) {

		$ret = "\n\t" . 'protected function _register_controls() {' . PHP_EOL;

		if(!empty($conf->content)) {

			foreach($conf->content as $indx => $section) {

				$ret .= $this->write_section($section->title, self::TAB_CONTENT, 'content', $indx);

				if(!empty($section->controls)) {

					$ret .= $this->write_add_control($section->controls);
				}

				$ret .= $this->close_section();
			}
		}

		if(!empty($conf->style)) {

			foreach($conf->style as $indx => $section) {

				$ret .= $this->write_section($section->title, self::TAB_STYLE, 'style', $indx);

				if(!empty($section->controls)) {

					$ret .= $this->write_add_control($section->controls);
				}

				$ret .= $this->close_section();
			}
		}

		if(!empty($conf->advanced)) {

			foreach($conf->advanced as $indx => $section) {

				$ret .= $this->write_section($section->title, self::TAB_ADVANCE, 'advance', $indx);

				if(!empty($section->controls)) {

					$ret .= $this->write_add_control($section->controls);
				}

				$ret .= $this->close_section();
			}
		}

		$ret .= "\t" . '}' . PHP_EOL . PHP_EOL;

		return $ret;
	}


	private function write_section($label, $tab = 'Controls_Manager::TAB_CONTENT', $tab_name = 'content', $indx) {

		$key = $tab_name . '_section_' . $this->widget_id . '_' . $indx;

		$ret = "\n\t\t" . '$this->start_controls_section(' . PHP_EOL;
		$ret .= "\t\t\t" . '\'' . $key . '\',' . PHP_EOL;
		$ret .= "\t\t\t" . 'array(' . PHP_EOL;

		$ret .= "\t\t\t\t" . '\'label\' => esc_html__( \'' . $label . '\', \'' . $this->text_domain . '\' ),' . PHP_EOL;
		$ret .= "\t\t\t\t" . '\'tab\'   => ' . $tab . ',' . PHP_EOL;

		$ret .= "\t\t\t" . ')' . PHP_EOL;
		$ret .= "\t\t" . ');' . PHP_EOL;

		return $ret;
	}


	private function write_add_control($controls = []) {

		$ret = '';

		foreach($controls as $controlObj) {

			if($controlObj->control_group === self::CONTROL_GROUP_TYPE_SINGLE) {

				$ret .= $this->prepare_add_control($controlObj);

			} elseif($controlObj->control_group === self::CONTROL_GROUP_TYPE_RESPONSIVE) {

				$ret .= $this->prepare_responsive_control($controlObj);

			} elseif($controlObj->control_group === self::CONTROL_GROUP_TYPE_GROUPED) {

				$ret .= $this->prepare_group_control($controlObj);
			}
		}

		return $ret;
	}


	private function prepare_add_control($controlObj) {

		$factory = new CT_Factory();
		$cnt_obj = $factory->make($controlObj->controlType, $this->text_domain);

		$ret = "\n\t\t" . '$this->add_control(' . PHP_EOL;
		$ret .= "\t\t\t" . '\'' . $this->control_prefix . $controlObj->key . '\',' . PHP_EOL;
		$ret .= "\t\t\t" . 'array(' . PHP_EOL;

		$ret .= "\t\t\t\t" . '\'label\' => esc_html__( \'' . $controlObj->label . '\', \'' . $this->text_domain . '\' ),' . PHP_EOL;
		$ret .= "\t\t\t\t" . '\'type\'  => ' . $controlObj->control_type . ',' . PHP_EOL;

		$ret .= $cnt_obj->start_writing_conf($this->file_handler, $controlObj);

		$ret .= "\t\t\t" . ')' . PHP_EOL;
		$ret .= "\t\t" . ');' . PHP_EOL;

		return $ret;
	}


	private function prepare_responsive_control($controlObj) {

		$factory = new CT_Factory();
		$cnt_obj = $factory->make($controlObj->controlType, $this->text_domain, 'responsive');

		$ret = "\n\t\t" . '$this->add_responsive_control(' . PHP_EOL;
		$ret .= "\t\t\t" . '\'' . $this->control_prefix . $controlObj->key . '\',' . PHP_EOL;
		$ret .= "\t\t\t" . 'array(' . PHP_EOL;

		$ret .= "\t\t\t\t" . '\'label\' => esc_html__( \'' . $controlObj->label . '\', \'' . $this->text_domain . '\' ),' . PHP_EOL;
		$ret .= "\t\t\t\t" . '\'type\'  => ' . $controlObj->control_type . ',' . PHP_EOL;

		//$cnt_obj->start_writing_conf($this->file_handler, $controlObj);

		$ret .= "\t\t\t" . ')' . PHP_EOL;
		$ret .= "\t\t" . ');' . PHP_EOL;

		return $ret;
	}


	private function prepare_group_control($controlObj) {

		$factory = new CT_Factory();
		$cnt_obj = $factory->make($controlObj->controlType, $this->text_domain, 'group');

		$ret = "\n\t\t" . '$this->add_group_control(' . PHP_EOL;
		$ret .= "\t\t\t" . '' . $controlObj->control_type . ',' . PHP_EOL;
		$ret .= "\t\t\t" . 'array(' . PHP_EOL;

		$ret .= "\t\t\t\t" . '\'name\' => \'' . $this->control_prefix . $controlObj->key . '\',' . PHP_EOL;

		$ret .= $cnt_obj->start_writing_conf($this->file_handler, $controlObj);

		$ret .= "\t\t\t" . ')' . PHP_EOL;
		$ret .= "\t\t" . ');' . PHP_EOL;

		return $ret;
	}


	private function close_section() {

		return "\n\t\t" . '$this->end_controls_section();' . PHP_EOL . PHP_EOL;
	}


	private function write_render_method($markup = '') {

		$markup = \ElementsKit_Lite\Libs\Template\Loader::instance()->replace_tags($markup, $this->control_prefix);

		$ret = "\n\t" . 'protected function render() {' . PHP_EOL;

		if(!empty($markup)) {

			$ret .= "\t\t" . '$settings = $this->get_settings_for_display();' . PHP_EOL . PHP_EOL;

			$ret .= "\t\t" . '?>' . PHP_EOL;
			$ret .= $markup . PHP_EOL;
			$ret .= "\t\t" . '<?php' . PHP_EOL;
		}

		$ret .= "\t" . '}' . PHP_EOL . PHP_EOL;

		return $ret;
	}


	private function close_widget_class() {

		return PHP_EOL . '}' . PHP_EOL;
	}


	private function close_php_writer() {

		fclose($this->file_handler);

		return true;
	}


	/**
	 * @return string
	 */
	public function get_widget_class_name() {
		return $this->widget_class_name;
	}
}