<?php

if (! class_exists( 'GFForms' ) )  {

	die();
}

class Wiaas_Delivery_Process_Addon extends Gravity_Flow_Extension {

	private static $_instance = null;

	protected $_slug = 'wiaas_delivery_process';

	protected $_title = 'Delivery Process';

	protected $_short_title = 'Delivery Process';


	public static function get_instance() {
		if ( self::$_instance == null ) {
			self::$_instance = new Wiaas_Delivery_Process_Addon();
		}

		return self::$_instance;
	}

	public function init() {

		parent::init();

		add_action( 'gravityflow_entry_detail', array( $this, 'display_process_steps_details' ), 10, 3 );

		add_action('gravityflow_title_entry_detail', array( $this, 'process_title' ), 10, 3);

		add_filter( 'gform_upload_path', array( $this, 'post_file_upload' ), 10, 2 );
	}

	public function init_ajax() {
		parent::init_ajax();
		add_action( 'wp_ajax_wiaas_get_action_entry', array( $this, 'ajax_get_action_entry' ) );
	}


	public function post_file_upload($path_info, $form_id) {

		$wp_uploads     = wp_upload_dir();

		if ( empty( $wp_uploads['subdir'] ) ) {
			$path_info['path']   = $wp_uploads['path'] . wiaas_documents_base_dir();
			$path_info['url']    = $wp_uploads['url'] . wiaas_documents_base_dir();
			$path_info['subdir'] = wiaas_documents_base_dir();
		} else {
			$new_subdir = wiaas_documents_base_dir() . $wp_uploads['subdir'];

			$path_info['path']   = str_replace( $wp_uploads['subdir'], $new_subdir, $wp_uploads['path'] );
			$path_info['url']    = str_replace( $wp_uploads['subdir'], $new_subdir, $wp_uploads['url'] );
			$path_info['subdir'] = str_replace( $wp_uploads['subdir'], $new_subdir, $wp_uploads['subdir'] );
		}

		error_log($path_info);

	    return $path_info;
    }


	public function ajax_get_action_entry() {

		$form_id = isset( $_GET['form_id'] ) ? absint( $_GET['form_id'] ) : 0;

		$entry_id = absint( rgget( 'entry_id' ) );
	}

	/**
	 * Extends Gravity Form entry metadata with 'wiaas_delivery_process_id'
	 *
	 * @param array $entry_meta
	 * @param int $form_id
	 *
	 * @return array
	 */
	public function get_entry_meta( $entry_meta, $form_id ) {
		$entry_meta[ 'wiaas_delivery_process_id' ] = array(
			'label'                      => 'Wiaas Delivery Process Id',
			'is_numeric'                 => true,
			'update_entry_meta_callback' => array( __CLASS__, 'update_entry_delivery_process_id' ),
			'is_default_column'          => false, // this column will be displayed by default on the entry list
			'filter'                     => array(
				'operators' => array( 'is' ),
			),
		);

		$entry_meta[ 'wiaas_delivery_order_id' ] = array(
			'label'                      => 'Wiaas Delivery Process Order Id',
			'is_numeric'                 => true,
			'update_entry_meta_callback' => null,
			'is_default_column'          => false, // this column will be displayed by default on the entry list
			'filter'                     => array(
				'operators' => array( 'is' ),
			),
		);

		$entry_meta[ 'wiaas_delivery_step_name' ] = array(
			'label'                      => 'Wiaas Delivery Step name',
			'is_numeric'                 => false,
			'update_entry_meta_callback' => null,
			'is_default_column'          => false, // this column will be displayed by default on the entry list
			'filter'                     => array(
				'operators' => array( 'is' ),
			),
		);

		return $entry_meta;
	}

	public static function update_entry_delivery_process_id($key, $entry, $form) {

		if ( isset( $_REQUEST['wiaas_delivery_process_id'] ) ) {
			return absint( $_REQUEST['wiaas_delivery_process_id'] );
		}

		if ( isset( $entry[ $key ] ) ) {
			return $entry[ $key ];
		}

		return '';
	}

	public function display_process_steps_details($form, $entry, $current_step) {

		$delivery_settings = rgar($form, 'wiaas_delivery_process');

		if ($delivery_settings['delivery_form_type'] === 'action') {
			return;
		}

		$workflow_api = new Gravity_Flow_API($form['id']);

		$steps = $workflow_api->get_steps();

		foreach ($steps as $index => $step) {

			if (! $step->is_active()) {
				continue;
			}

			$is_step_running = $step->get_status() === 'pending';
			$is_current_step = $step->get_id() === $current_step->get_id();

			$disabled_style = $is_step_running ? '' : 'opacity: 0.5';

			?>

			<div class="postbox" style="<?php esc_attr_e($disabled_style, 'wiaas') ?>">

				<h3>
					<span><?php esc_html_e($step->get_name(), 'wiaas') ?></span>
				</h3>

				<?php
				if ($is_current_step) {
					Gravity_Flow_Entry_Detail::maybe_show_instructions(true, true, $current_step, $form, $entry);

					$action_form = GFAPI::get_form( $step->target_form_id );

					if (empty($action_form)) {

						echo '</div>';

						continue;
					}

					$action_delivery_settings = rgar($action_form, 'wiaas_delivery_process');

					?>

					<div class="submitbox" style="padding: 10px;">

						<table>
							<tbody>
							<?php

							if (! $action_delivery_settings['automatic_action_entries_enabled']) {

								$form_url = admin_url( 'admin-ajax.php' ) . '?action=gravityflowparentchild_get_form&order_id=65&form_id=' . $action_form['id'] . '&wiaas_delivery_process_id=' . $entry['id'];
								$form_url .= '&is_admin=1';

								$form_link = sprintf(
									'<a href="%s&TB_iframe=true&width=600&height=550" class="button button-primary thickbox">' .
									'<i class="fa fa-plus"></i> ' . $action_form['title'] . '</a>',
									$form_url );

								echo $form_link;
							}

							echo '<br><br><br>';

							$page_size       = 20;
							$search_criteria = array(
								'status'        => 'active',
								'field_filters' => array(
									array( 'key'   => 'wiaas_delivery_process_id',
									       'value' => $entry['id']
									),
								),
							);
							$sorting         = array( 'key' => 'date_created', 'direction' => 'DESC' );
							$paging          = array( 'offset' => 0, 'page_size' => $page_size );

							$entries = GFAPI::get_entries( $action_form, $search_criteria, $sorting, $paging );

							foreach ($entries as $action_entry) {
								$this->_display_step_action_entry($action_form, $action_entry);
							}

							?>
							</tbody>
						</table>

					</div>

					<?php
				}
				?>

			</div>
			<?php
		}


	}

	private function _display_step_action_entry($action_form, $action_entry) {
		$workflow_api = new Gravity_Flow_API($action_entry['form_id']);

		$current_action_step = $workflow_api->get_current_step($action_entry);


		?>
			<table>

				<?php
				foreach ($action_form['fields'] as $field) {

					if ($field->type === 'wiaas_order') {
						continue;
					}

					if ($field->type === 'workflow_discussion') {

						echo '<tr><td colspan="2">' . $field->get_value_entry_detail($action_entry[$field->id]) . '</td></tr>';

						continue;
					}

					$value = $field->get_value_entry_detail($action_entry[$field->id]);
					$label = $field->get_field_label(false, $action_entry[$field->id]);

					echo '<tr>' .
					     '<td><strong>' . $label . ' : </strong></td>' .
					     '<td>' . $value . '</td>' .
					     '</tr>';
				}

				if (! empty($current_action_step)) {

					?>

					<tfoot>
					<tr>
						<td colspan="2">
							<a class="button" href="<?php echo $current_action_step->get_entry_url() ?>">
								View
								<?php echo $current_action_step->get_status_label($current_action_step->get_status()) ?>
							</a>
						</td>
					</tr>
					</tfoot>

					<?php

				}
				?>
			</table>

			<hr>
		<?php


	}


	public function scripts() {

		$plugin_url = untrailingslashit( plugins_url( '/', WIAAS_FILE ) );

		$scripts = array(

			array(
				'handle' => 'wiaas_form_editor_js',
				'src' => $plugin_url . '/assets/js/wiaas-form-editor.js',
				'enqueue'  => array(
					array(
						'admin_page' => array('form_editor'),
					),
				),
			)
		);

		return array_merge( parent::scripts(), $scripts );
	}


	/**
	 * Add settings menu for form delivery process
	 *
	 * @param $tabs
	 * @param $form_id
	 *
	 * @return array
	 */
	public function add_form_settings_menu( $tabs, $form_id ) {

		$tabs[] = array(
			'name'  => $this->_slug,
			'label' => esc_html__( 'Delivery Process', 'wiaas' ),
			'query' => array( 'fid' => null )
		);

		return $tabs;
	}


	/**
	 * Add settings field for delivery process settings menu
	 *
	 * @param $form
	 *
	 * @return array
	 */
	public function form_settings_fields($form) {

		return array(

			array(
				'title' => esc_html__( 'Delivery Process', 'wiaas' ),
				'fields' => array(
					array(
						'name' => 'delivery_form_type',
						'label' => esc_html__( 'Delivery Form Type', 'wiaas' ),
						'type'  => 'delivery_form_type',
					),
					array(
						'name' => 'delivery_action_code',
						'label' => esc_html__( 'Action code', 'wiaas' ),
						'type'  => 'delivery_action_code',
					),
					array(
						'name' => 'delivery_action_form_type',
						'label' => esc_html__( 'Automatic?', 'wiaas' ),
						'type'  => 'delivery_action_form_automatic',
					)
				)
			)
		);
	}

	public function settings_delivery_form_type() {

		$this->settings_select(array(
			'name' => 'delivery_form_type',
			'choices' => array(
				array( 'value' => 'action', 'label' => 'Action Form' ),
				array( 'value' => 'process', 'label' => 'Process Form' )
			),
			'after_select' => '<p class="description"> Choose if this form will be used as process form or action form.</p>' .
			                  '<p class="description"> <strong>Process form</strong> defines order delivery process workflow.</p>' .
			                  '<p class="description"> <strong>Action form</strong> defines custom order data that is collected from delivery process participants.</p>'
		));
	}

	public function settings_delivery_action_code() {
		$this->settings_select(array(
			'name' => 'delivery_action_code',
			'choices' => array(
				array( 'value' => '', 'label' => 'Select action code ...' ),
				array( 'value' => 'customer-acceptance', 'label' => 'Customer acceptance' ),
				array( 'value' => 'validate-questionnaire', 'label' => 'Validate Questionnaire' ),
				array( 'value' => 'schedule-meeting', 'label' => 'Schedule meeting' )
			),
			'after_select' => '<p class="description"> Choose action code for action form.</p>'
		));
    }

	public function settings_delivery_action_form_automatic() {

		$this->settings_checkbox_and_select(array(
			'checkbox' => array(
				'label'          => esc_html__( 'Enable', 'wiaas' ),
				'name'           => 'automatic_action_entries_enabled',
				'defeault_value' => '0',
			),
			'select'   => array(
				'name'    => 'automatic_action_entries_type',
				'choices' => array(
					array(
						'value' => 'single',
						'label' => esc_html__( 'Single entry', 'wiaas' ),
					),
					array(
						'value' => 'bundle',
						'label' => esc_html__( 'Entry per bundle', 'wiaas' ),
					)
				),
				'after_select' => '<p class="description">Automatic entries can be created once per order or per every bundle in order.</p>' .
				                  '<p class="description">Automatic entry will not be created if any required field cannot be populated.</p>',
			)
		));
	}
}