<?php

namespace FluentForm\App\Modules\Component;

use FluentForm\App\Modules\Acl\Acl;
use FluentForm\App\Services\ConditionAssesor;
use FluentForm\Framework\Foundation\Application;
use FluentForm\App\Services\FormBuilder\EditorShortcodeParser;
use FluentForm\App\Services\FormBuilder\MessageShortCodeParser;

class Component
{
	/**
	 * FluentForm\Framework\Foundation\Application
	 * @var $app
	 */
	protected $app = null;

	/**
	 * Biuld the instance of this class
	 * @param \FluentForm\Framework\Foundation\Application $app
	 */
	public function __construct(Application $app)
	{
		$this->app = $app;
	}

    /**
     * Get all the available components
     * @return  void
     * @throws \Exception
     * @throws \FluentForm\Framework\Exception\UnResolveableEntityException
     */
    public function index()
    {
        Acl::verify('fluentform_forms_manager');

        $this->app->doAction(
            'fluent_editor_init',
            $components = $this->app->make('components')
        );

        $editorCompnents = $components->sort();
        $editorCompnents = $this->app->applyFilters('fluent_editor_components', $editorCompnents);
        $countries = $this->app->load($this->app->appPath('Services/FormBuilder/CountryNames.php'));

        wp_send_json_success(array(
        	'components' => $editorCompnents,
        	'countries' => $countries,
            'disabled_components' => $this->getDisabledComponents()
        ));
        exit();
    }


    /**
     * Get disabled components
     * @return array
     */
    private function getDisabledComponents() 
    {
        $isReCaptchaDisabled = !get_option('_fluentform_reCaptcha_keys_status', false);
        
        $disabled = array(
             'recaptcha' => array(
	            'contentComponent' => 'recaptcha',
                'disabled' => $isReCaptchaDisabled
            ),
            'input_image' => array(
	            'disabled' => true
            ),
            'input_file' => array(
	            'disabled' => true
            ),
             'input_repeat' => array(
	             'disabled' => true
             ),
             'shortcode' => array(
	             'disabled' => true
             ),
             'action_hook' => array(
	             'disabled' => true
             ),
             'form_step' => array(
	             'disabled' => true
             ),
        );

        return $this->app->applyFilters('disabled_components', $disabled);
    }

    /**
     * Get available shortcodes for editor
     * @return void
     * @throws \Exception
     */
    public function getEditorShortcodes()
    {
        Acl::verify('fluentform_forms_manager');
	    $editor_shortcodes = fluentFormEditorShortCodes();
	    wp_send_json_success(array('shortcodes' => $editor_shortcodes), 200);
	    exit();
    }

    /**
     * Register the form renderer shortcode
     * @return  void
     */
	public function addFluentFormShortCode() {
		$this->app->addShortCode( 'fluentform', function ( $atts, $content ) {
			$atts    = shortcode_atts( array(
				'id'    => null,
				'title' => null
			), $atts );
			$form_id = $atts['id'];
			if ( $form_id ) {
				$form = wpFluent()->table( 'fluentform_forms' )->find( $form_id );
			} else if ( $formTitle = $atts['title'] ) {
				$form = wpFluent()->table( 'fluentform_forms' )->where( 'title', $formTitle )->first();
			} else {
				return;
			}

			if ( ! $form ) {
				return;
			}

			$formSettings = wpFluent()
				->table( 'fluentform_form_meta' )
				->where( 'form_id', $form_id )
				->where( 'meta_key', 'formSettings' )
				->first();

			$form->fields = json_decode( $form->form_fields, true );
			if ( ! $form->fields['fields'] ) {
				return;
			}

			$form->settings = json_decode( $formSettings->value, true );
			$form           = $this->app->applyFilters( 'fluentform_rendering_form', $form );

			$isRenderable = array(
				'status'  => true,
				'message' => ''
			);

			$isRenderable = $this->app->applyFilters( 'fluentform_is_form_renderable', $isRenderable, $form );

			if ( is_array( $isRenderable ) && ! $isRenderable['status'] ) {
				return "<div id='ff_form_{$form->id}' class='ff_form_not_render'>{$isRenderable['message']}</div>";
			}

			$formBuilder = $this->app->make( 'formBuilder' );
			$output      = $formBuilder->build( $form );

			wp_enqueue_style(
				'fluent-form-styles',
				$this->app->publicUrl( 'css/fluent-forms-public.css' )
			);

			wp_enqueue_style(
				'fluentform-public-default',
				$this->app->publicUrl( 'css/fluentform-public-default.css' )
			);

			wp_enqueue_script(
				'fluent-form-submission',
				$this->app->publicUrl( 'js/form-submission.js' ),
				array( 'jquery' ),
				false,
				true
			);

			$form_vars = array(
				'id'           => $form->id,
				'settings'     => $form->settings,
				'rules'        => $formBuilder->validationRules,
				'do_analytics' => $this->app->applyFilters( 'fluentform_do_analytics', true )
			);

			if ( $conditionals = $formBuilder->conditions ) {
				wp_enqueue_script(
					'fluent-form-conditionals',
					$this->app->publicUrl( 'js/form-conditionals.js' ),
					array( 'jquery' ),
					false,
					true
				);

				$form_vars['conditionals'] = $conditionals;
			}

			wp_localize_script( 'fluent-form-submission', 'fluentFormVars', array(
				'ajaxUrl' => admin_url( 'admin-ajax.php' ),
				'forms'   => (Object) array()
			) );

			$this->addInlineVars( json_encode( $form_vars ), $form->id );

			return $output;

		} );
	}

    /**
     * Register renderer actions for compiling each element
     * @return  void
     */
    public function addRendererActions()
    {
    	$actionMappings = [
    		'Select@compile' => ['render_item_select'],
    		'Address@compile' => ['render_item_address'],
    		'Name@compile' => ['render_item_input_name'],
    		'TextArea@compile' => ['render_item_textarea'],
    		'DateTime@compile' => ['render_item_input_date'],
    		'Recaptcha@compile' => ['render_item_recaptcha'],
    		'Container@compile' => ['render_item_container'],
    		'CustomHtml@compile' => ['render_item_custom_html'],
    		'SectionBreak@compile' => ['render_item_section_break'],
    		'SubmitButton@compile' => ['render_item_submit_button'],
    		'SelectCountry@compile' => ['render_item_select_country'],
    		'TermsAndConditions@compile' => ['render_item_terms_and_condition'],

    		'Checkable@compile' => [
				'render_item_input_radio',
    			'render_item_input_checkbox',
    		],

    		'Text@compile' => [
    			'render_item_input_url',
    			'render_item_input_text',
    			'render_item_input_email',
    			'render_item_input_number',
    			'render_item_input_hidden',
    			'render_item_input_password',
    		],
    	];

    	$path = 'FluentForm\App\Services\FormBuilder\Components\\';
    	foreach ($actionMappings as $handler => $actions) {
    		foreach ($actions as $action) {
    			$this->app->addAction($action, function() use ($path, $handler) {
    				list($class, $method) = $this->app->parseHandler($path.$handler);
    				call_user_func_array(array($class, $method), func_get_args());
    			}, 10, 2);
    		}
    	}
    }

    /**
     * Register dynamic value shortcode parser (filter default value)
     * @return  void
     */
    public function addFluentFormDefaultValueParser()
    {
    	$this->app->addFilter('fluentform_parse_default_value', function($value, $form) {
            return EditorShortcodeParser::filter($value, $form);
		}, 10, 2);
    }

    /**
     * Register filter to check whether the form is renderable
     * @return  mixed
     */
    public function addIsRenderableFilter()
    {
    	$this->app->addFilter('fluentform_is_form_renderable', function($isRenderable, $form) {
    		$checkables = array('limitNumberOfEntries', 'scheduleForm', 'requireLogin');
    		foreach ($form->settings['restrictions'] as $key => $restrictions) {
    			if (in_array($key, $checkables)) {
    				if (!($isRenderable['status'] = $this->{$key}($restrictions, $form, $isRenderable))) {
    					return $isRenderable;
    				}
    			}
    		}

            return $isRenderable;
    	}, 10, 2);
    }

    /**
     * Check if limit is set on form submits and it's valid yet
     * @param  array $restrictions
     * @return bool
     */
    private function limitNumberOfEntries($restrictions, $form, &$isRenderable)
    {
    	if (!$restrictions['enabled']) {
    		return true;
    	}

    	$col = 'created_at';
    	$period = $restrictions['period'];
    	$maxAllowedEntries = $restrictions['numberOfEntries'];
    	$query = wpFluent()->table('fluentform_submissions')
        ->where('form_id', $form->id)
        ->where('status', '!=', 'trashed');

    	if ($period == 'day') {
    		$year = "YEAR(`{$col}`) = YEAR(NOW())";
    		$month = "MONTH(`{$col}`) = MONTH(NOW())";
    		$day = "DAY(`{$col}`) = DAY(NOW())";
    		$query->where(wpFluent()->raw("{$year} AND {$month} AND {$day}"));
    	} elseif ($period == 'week') {
    		$query->where(
    			wpFluent()->raw("YEARWEEK(`{$col}`, 1) = YEARWEEK(CURDATE(), 1)")
    		);
    	} elseif ($period == 'month') {
    		$year = "YEAR(`{$col}`) = YEAR(NOW())";
    		$month = "MONTH(`{$col}`) = MONTH(NOW())";
    		$query->where(wpFluent()->raw("{$year} AND {$month}"));
    	} elseif ($period == 'year') {
    		$query->where(wpFluent()->raw("YEAR(`{$col}`) = YEAR(NOW())"));
    	}

    	if (!($isAllowed = ($query->count() < $maxAllowedEntries))) {
    		$isRenderable['message'] = $restrictions['limitReachedMsg'];
    	}

    	return $isAllowed;
    }

    /**
     * Check if form has scheduled date and open for submission
     * @param  array $restrictions
     * @return bool
     */
	private function scheduleForm($restrictions, $form, &$isRenderable)
	{
		if (!$restrictions['enabled']) {
    		return true;
    	}

    	$time = time();
    	$start = strtotime($restrictions['start']);
    	$end = strtotime($restrictions['end']);

    	if ($time < $start) {
    		$isRenderable['message'] = $restrictions['pendingMsg'];
    		return false;
    	}

    	if ($time >= $end) {
    		$isRenderable['message'] = $restrictions['expiredMsg'];
    		return false;
    	}

    	return true;
	}

	/**
	 * * Check if form requires loged in user and user is logged in
	 * @param  array $restrictions
	 * @return bool
	 */
	private function requireLogin($restrictions, $form, &$isRenderable)
	{
		if (!$restrictions['enabled']) {
    		return true;
    	}

		if (!($isLoggedIn = is_user_logged_in())) {
    		$isRenderable['message'] = $restrictions['requireLoginMsg'];
    	}

    	return $isLoggedIn;
	}

	/**
	 * Register fluentform_submission_inserted action
	 * @return  void
	 */
	public function addFluentformSubmissionInsertedFilter()
	{
		$this->app->addAction(
			'fluentform_submission_inserted', function($insertId, $data, $form) {

				$notifications = wpFluent()
				->table('fluentform_form_meta')
				->where('form_id', $form->id)
				->where('meta_key', 'notifications')
				->get();

				$enabledNotifications = array();
				foreach ($notifications as $key => $notification) {
					$notification = json_decode($notification->value, true);
					if ($notification['enabled'] && ConditionAssesor::evaluate($notification, $data)) {
					    $enabledNotifications[] = $notification;
					}
				}

				if($enabledNotifications) {
					$enabledNotifications = MessageShortCodeParser::parseMessageShortCode(
						$enabledNotifications, $insertId, $data, $form
					);

                    $notifier = $this->app->make(
                        'FluentForm\App\Services\FormBuilder\Notifications\EmailNotification'
                    );

                    foreach ($enabledNotifications as $notification) {
                        $notifier->notify($notification, $data, $form);
                    }
                }
                
		}, 10, 3);
	}

    /**
     * Add inline scripts [Add localized script using same var]
     * @param array $vars
     * @param int $form_id
     * @return  void
     */
    private function addInlineVars($vars, $form_id) {
	    if (function_exists('wp_add_inline_script')) {
			wp_add_inline_script(
				'fluent-form-submission',
				'window.fluentFormVars.forms["fluentform_'.$form_id.'"] = '.$vars.';'
			);
	    } else {
	        add_action('wp_footer', function () use ($vars, $form_id) {
	            ?>
	                <script type="text/javascript">
	                   window.fluentFormVars.forms["fluentform_<?php echo $form_id;?>"] = <?php echo $vars; ?>;
	                </script>
	            <?php
	        }, 100);
	    }
	}
}