<?php
namespace JVBase\registrar\helpers;

use JVBase\meta\Meta;
use JVBase\registrar\Registrar;
use WP_Post;
use WP_Query;

if (!defined('ABSPATH')) {
	exit;
}

class MakeCalendarType {
	protected string $slug;
	protected string $postType;
	private Registrar $registrar;
	protected string $hook;
	public function __construct(string $slug, Registrar $registrar) {
		$this->slug = $slug;
		$this->postType = jvbCheckBase($slug);
		$this->registrar = $registrar;

		$this->addCalendarFields();
		add_filter('post_type_link', [$this, 'handleCalendarLinks'], 15, 2);
		add_filter('post_type_archive_link', [$this, 'handlePostTypeArchiveLinks'], 15, 2);
		add_filter('query_vars', [$this, 'addQueryVars']);
		add_action('init', [$this, 'addCalendarRewrites']);

		$this->hook = BASE.'mark_'.$this->slug.'_passed';
		add_action($this->hook, [$this, 'markPassed']);
	}


	public function __debugInfo() {
		$vars = get_object_vars($this);
		unset($vars['registrar']);
		return $vars;
	}

	protected function addCalendarFields():void
	{

		$fields = [
			'location' => [
				'type' => 'location',
				'label' => 'Event Location',
			],
			'location_notes' => [
				'type'	=> 'textarea',
				'quill'	=> true,
				'label' => 'Location Notes',
			],
			'date_start' => [
				'type'      => 'date',
				'label'     => 'Date',
			],
			'time_start' => [
				'type'      => 'time',
				'label'     => 'Time Start',
			],
			'time_end' => [
				'type'      => 'time',
				'label'     => 'Time End',
			],
			'make_multiple' => [
				'type'      => 'true_false',
				'label'     => 'Make Multi-Day Event',
				'default'   => false,
			],
			'date_end' => [
				'type'      => 'date',
				'label'     => 'Date End',
				'condition' => [
					'field' => 'make_multiple',
					'operator' => '==',
					'value' => 1
				]
			],
			'past' => [
				'type'      => 'true_false',
				'label'     => 'Past Event',
				'hidden'    => true,
			],
			'year' => [
				'type'      => 'number',
				'label'     => 'Year',
				'hidden'    => true,
			],
			'month' => [
				'type'      => 'number',
				'label'     => 'Month',
				'hidden'    => true,
			],
			'day' => [
				'type'      => 'number',
				'label'     => 'Day',
				'hidden'    => true,
			],
			'schedule' => [
				'type' => 'repeater',
				'label' => 'Daily Schedule',
				'description' => 'Set specific times for multi-day events',
				'condition'	=> [
					'field'	=> 'make_multiple',
					'operator' => '==',
					'value'	=> 1,
				],
				'fields' => [
					'date' => [
						'type' => 'date',
						'label' => 'Date'
					],
					'time_start' => [
						'type' => 'time',
						'label' => 'Start Time'
					],
					'time_end' => [
						'type' => 'time',
						'label' => 'End Time'
					],
					'notes' => [
						'type' => 'textarea',
						'label' => 'Notes for this day'
					]
				]
			],
			'max_participants' => [
				'type'      => 'number',
				'label'     => 'Maximum Participants',
			],
			'is_free' => [
				'type' => 'true_false',
				'label' => 'Free Event?',
				'default' => 1,
			],
			'cost' => [
				'type' => 'number',
				'label' => 'Cost to Attend',
				'description' => 'Leave blank if free',
				'condition' => [
					'field' => 'is_free',
					'operator' => '!=',
					'value' => 1
				],
			],
			'ticket_url' => [
				'type' => 'url',
				'label' => 'Link to Purchase Ticket',
				'condition' => [
					'field' => 'is_free',
					'operator' => '!=',
					'value' => 1
				]
			],
			'external_url' => [
				'type' => 'url',
				'label' => 'Link to More Info'
			],
			'drop_in_allowed' => [
				'type' => 'true_false',
				'label' => 'Drop-ins Welcome?',
				'default' => true,
			],
			'recurrence' => [
				'type' => 'group',
				'label' => 'Event Recurrence',
				'condition'	=> [
					'field'	=> 'status',
					'operator' => '==',
					'value'	=> 'repeat',
				],
				'fields' => [
					'recurrence_type' => [
						'type' => 'select',
						'label' => 'Repeats',
						'options' => [
							'daily' => 'Daily',
							'weekly' => 'Weekly',
							'monthly' => 'Monthly',
							'custom' => 'Custom'
						]
					],
					'recurrence_interval' => [
						'type' => 'number',
						'label' => 'Every',
						'description' => 'Repeat every X days/weeks/months',
						'default' => 1,
					],
					'recurrence_days' => [
						'type' => 'set',
						'label' => 'On These Days',
						'options' => [
							'monday' => 'Monday',
							'tuesday' => 'Tuesday',
							'wednesday' => 'Wednesday',
							'thursday' => 'Thursday',
							'friday' => 'Friday',
							'saturday' => 'Saturday',
							'sunday' => 'Sunday'
						],
						'condition' => [
							'field' => 'recurrence_type',
							'operator' => '==',
							'value' => 'weekly'
						]
					],
					'recurrence_ends' => [
						'type' => 'group',
						'label' => 'Recurrence Ends',
						'fields' => [
							'type' => [
								'type' => 'select',
								'label' => 'Recurrence Ends',
								'options' => [
									'never' => 'Never',
									'after' => 'After X occurrences',
									'on' => 'On date'
								]
							],
							'count' => [
								'type' => 'number',
								'label' => 'Number of occurrences',
								'condition' => [
									'field' => 'type',
									'operator' => '==',
									'value' => 'after'
								]
							],
							'date' => [
								'type' => 'date',
								'label' => 'End date',
								'condition' => [
									'field' => 'type',
									'operator' => '==',
									'value' => 'on'
								]
							]
						],
					],

					'rsvp_required' => [
						'type' => 'true_false',
						'label' => 'RSVP Required?'
					],
					'rsvp_limit' => [
						'type' => 'number',
						'label' => 'RSVP Limit',
						'condition' => [
							'field' => 'rsvp_required',
							'operator' => '==',
							'value' => 1
						]
					],
					'rsvp_deadline' => [
						'type' => 'datetime',
						'label' => 'RSVP Deadline',
						'condition' => [
							'field' => 'rsvp_required',
							'operator' => '==',
							'value' => 1
						]
					],
				]
			]
		];

		foreach ($fields as $name => $config) {
			$this->registrar->fields()->addField($name, $config);
		}

		$this->registrar->fields()->modifyField('post_status', 'options', [
			'all' => [
				'icon' => 'calendar',
				'label' => 'Everything',
			],
			'future' => [
				'label' => 'Upcoming',
				'icon' => 'clock-clockwise',
			],
			'past' => [
				'label' => 'Past',
				'icon' => 'clock-counter-clockwise',
			],
			'repeat' => [
				'label' => 'Recurring',
				'icon' => 'repeat',
			],
			'draft' => [
				'icon' => 'eye-closed',
				'label' => 'Hidden',
			],
			'trash' => [
				'label' => 'Scrapped',
				'icon' => 'trash',
			]
		]);
	}

	public function handleCalendarLinks(string $url, WP_POST $post):string
	{
		if ($post->post_type === $this->postType) {
			$get = ['year', 'month','day'];
			$values = Meta::forPost($post->ID)->getAll($get);

			foreach ($values as $key => $value) {
				if (!empty($value)) {
					$url = str_replace("%e$key%", $value, $url);
				} else {
					$url = str_replace("/%e$key%", '', $url);
				}
			}
		}
		return $url;
	}

	public function handlePostTypeArchiveLinks(string $url, string $post_type):string
	{
		if ($post_type == $this->postType) {
			$url = get_home_url(null, '/'.$this->registrar->registrar->rewrite['slug']??$this->slug.'/');
		}
		return $url;
	}

	public function addQueryVars(array $vars):array
	{
		$vars[] = 'eyear';
		$vars[] = 'emonth';
		$vars[] = 'eday';
		return $vars;
	}

	protected function scheduleMarkPassed():void
	{
		if (!wp_next_scheduled($this->hook)) {
			$time = strtotime('tomorrow at 12:01am');
			wp_schedule_event($time, 'daily', $this->hook);
		}
	}
		public function markPassed():void
		{
			$now = date('Y-m-d');
			$items = new WP_Query([
				'post_type'			=> $this->postType,
				'posts_per_page'	=> -1,
				'post_status'		=> 'publish',
				'meta_query'		=> [
					'relation'	=> 'AND',
					[
						'key'	=> BASE.'past',
						'value'	=> '1',
						'compare'=> '!='
					],
					[
						'key'	=> BASE.'date_start',
						'value'	=> $now,
						'compare'	=> '<',
						'type'	=> 'DATETIME'
					]
				],
				'fields'	=> 'ids',
			]);

			if ($items->have_posts()) {
				foreach ($items->posts as $ID) {
					$meta = Meta::forPost($ID);
					$meta->set('past', '1');
				}
			}
		}
	public function addCalendarRewrites():void
	{
		$this->scheduleMarkPassed();
		add_rewrite_tag('%eyear%', '([^&]+)');
		add_rewrite_tag('%emonth%', '([^&]+)');
		add_rewrite_tag('%eday%', '([^&]+)');
		$registrar = Registrar::getInstance($this->slug);
		$base = $registrar->registrar->rewrite['slug']??$this->slug;

		// Adds the rewrite rule to capture URLs with year, month, and day.
		add_rewrite_rule(
			'^'.$base.'/([0-9]{4})/([0-9]{2})/([0-9]{2})/?$',
			'index.php?post_type='.$this->postType.'&eyear=$matches[1]&emonth=$matches[2]&eday=$matches[3]',
			'top'
		);
			add_rewrite_rule(
				'^'.$base.'/([0-9]{4})/([0-9]{2})/([0-9]{2})/page/([0-9-]+)/?$',
				'index.php?post_type='.$this->postType.'&eyear=$matches[1]&emonth=$matches[2]&eday=$matches[3]&paged=$matches[4]',
				'top'
			);

		// Adds the rewrite rule to capture URLs with year, month only.
		add_rewrite_rule(
			'^'.$base.'/([0-9]{4})/([0-9]{2})/?$',
			'index.php?post_type='.$this->postType.'&eyear=$matches[1]&emonth=$matches[2]',
			'top'
		);
			add_rewrite_rule(
				'^'.$base.'/([0-9]{4})/([0-9]{2})/page/([0-9-]+)/?$',
				'index.php?post_type='.$this->postType.'&eyear=$matches[1]&emonth=$matches[2]&paged=$matches[3]',
				'top'
			);

		// Adds the rewrite rule to capture URLs with year only.
		add_rewrite_rule(
			'^'.$base.'/([0-9]{4})/?$',
			'index.php?post_type='.$this->postType.'&eyear=$matches[1]',
			'top'
		);
			add_rewrite_rule(
				'^'.$base.'/([0-9]{4})/page/([0-9-]+)/?$',
				'index.php?post_type='.$this->postType.'&eyear=$matches[1]&paged=$matches[2]',
				'top'
			);

		// Adds the rewrite rule for all events
		add_rewrite_rule(
			'^'.$base.'/?$',
			'index.php?post_type='.$this->postType,
			'top'
		);
			add_rewrite_rule(
				'^'.$base.'/page/([0-9-]+)/?$',
				'index.php?post_type='.$this->postType.'&paged=$matches[1]',
				'top'
			);

		add_rewrite_rule(
			"^{$base}/([^/]+)/?$",
			"index.php?post_type={$this->postType}&name=\$matches[1]",
			'top'
		);

	}
}