<?php

namespace Simple_Giveaways;

/**
 * Class to Add Column Names
 */
class GA_Column {

	/**
	 * Default definitions
	 *
	 * @var array
	 */
	public $defaults = array(
		'post_type'      => 'post',
		'column_key'     => '',
		'column_title'   => '',
		'column_display' => 'column_key',
	);

	/**
	 * Container of our options for the column
	 *
	 * @var array
	 */
	public $options = array();

	/**
	 * Merge added options with the defaults. If the column key is not defined throw and exception.
	 * If we do not have a title for the column, create one from the column key
	 *
	 * @param array $options
	 */
	public function __construct( $options ) {

		$this->options = array_merge( $this->defaults, $options );

		if ( $this->options['column_key'] == '' ) {
			$message = __( 'Column key is not defined', 'yourtextdomain' );
			throw new \Exception( $message );
		}

		if ( $this->options['column_title'] == '' ) {
			$this->options['column_title'] = ucfirst( $this->options['column_key'] );
		}
	}

	/**
	 * Attach this column by using WordPress filters and actions
	 * If the post type is different from 'post' and 'page' then add a new word to filters and actions to dynamically target our columns
	 * If the post type is a page, then change the for_type variable so that the column is added to the pages section
	 *
	 * @return void
	 */
	public function attach() {
		$post_type = '';
		if ( $this->options['post_type'] != 'post' && $this->options['post_type'] != 'page' ) {
			$post_type = '_' . $this->options['post_type'];
		}

		$for_type = 'posts';
		if ( $this->options['post_type'] == 'page' ) {
			$for_type = 'pages';
		}
		add_filter( 'manage' . $post_type . '_' . $for_type . '_columns', array( $this, 'add_column' ) );

		add_action( 'manage' . $post_type . '_' . $for_type . '_custom_column', array( $this, 'column_data' ), 10, 2 );

	}

	public function deattach() {
		$post_type = '';
		if ( $this->options['post_type'] != 'post' && $this->options['post_type'] != 'page' ) {
			$post_type = '_' . $this->options['post_type'];
		}

		$for_type = 'posts';
		if ( $this->options['post_type'] == 'page' ) {
			$for_type = 'pages';
		}
		add_filter( 'manage' . $post_type . '_' . $for_type . '_columns', array( $this, 'remove_column' ) );

		add_action( 'manage' . $post_type . '_' . $for_type . '_custom_column', array( $this, 'column_data' ), 10, 2 );
	}

	/**
	 * Add the column to the columns array
	 *
	 * @param array $columns
	 */
	public function add_column( $columns ) {
		$columns[ $this->options['column_key'] ] = $this->options['column_title'];
		return $columns;
	}

	/**
	 * Add the column to the columns array
	 *
	 * @param array $columns
	 */
	public function remove_column( $columns ) {

		unset( $columns[ $this->options['column_key'] ] );
		return $columns;
	}

	/**
	 * Render a column
	 *
	 * @param  string $column  Column slug/key
	 * @param  string $post_id
	 * @return void
	 */
	public function column_data( $column, $post_id ) {

		if ( $column === $this->options['column_key'] ) {
			if ( 'column_key' === $this->options['column_display'] ) {
				echo wp_kses_post( get_post_meta( $post_id, $this->options['column_key'], true ) );
			} else {
				$function_name = $this->options['column_display'];
				call_user_func_array( $function_name, array( $post_id, $this->options['column_key'] ) );
			}
		}
	}

}

$shortcode_column = new GA_Column(
	array(
		'post_type'      => 'giveasap',
		'column_key'     => '_shortcode',
		'column_title'   => __( 'Shortcode', 'giveasap' ),
		'column_display' => '\Simple_Giveaways\giveasap_shortcode_html',
	)
);
$shortcode_column->attach();

$subscribed_count_column = new GA_Column(
	array(
		'post_type'      => 'giveasap',
		'column_key'     => '_subscribed',
		'column_title'   => __( 'Susbcribed', 'giveasap' ),
		'column_display' => '\Simple_Giveaways\giveasap_column_subscribed_html',
	)
);
$subscribed_count_column->attach();


$date_column = new GA_Column(
	array(
		'post_type'  => 'giveasap',
		'column_key' => 'date',
	)
);

$date_column->deattach();

$dates_column = new GA_Column(
	array(
		'post_type'      => 'giveasap',
		'column_key'     => '_dates',
		'column_title'   => __( 'Dates', 'giveasap' ),
		'column_display' => '\Simple_Giveaways\giveasap_column_dates_html',
	)
);

$dates_column->attach();

$action_column = new GA_Column(
	array(
		'post_type'      => 'giveasap',
		'column_key'     => '_actions',
		'column_title'   => __( 'Actions', 'giveasap' ),
		'column_display' => '\Simple_Giveaways\giveasap_column_actions_html',
	)
);

$action_column->attach();

/**
 * Show Shortcode HTML for column
 *
 * @return html
 */
function giveasap_shortcode_html( $post_id, $key ) {
	echo '<p><code>[giveaway id=' . esc_attr( $post_id ) . ']</code></p>';
	echo '<p><code>[giveaway_winners id=' . esc_attr( $post_id ) . ']</code></p>';
	echo '<p><code>[giveaway_leaderboard id=' . esc_attr( $post_id ) . ']</code></p>';
	echo '<p><code>[giveaway_popup id=' . esc_attr( $post_id ) . ']</code></p>';
}

/**
 * Column for showing how much subscribers a giveaway has
 *
 * @param  int    $post_id
 * @param  string $key
 * @return int
 */
function giveasap_column_subscribed_html( $post_id, $key ) {
	$count_users = giveasap_get_subscribed_count( $post_id );
	echo esc_html( $count_users );
	if ( $count_users > 0 ) { ?>
		<a href="<?php echo esc_url_raw( admin_url( 'admin.php?page=giveasap-users&id=' . absint( $post_id ) ) ); ?>"  class="button button-small"><?php esc_html_e( 'List Users', 'giveasap' ); ?></a>
		<a href="<?php echo esc_url_raw( admin_url( 'admin.php?page=giveasap-subscriber-entries&giveaway=' . absint( $post_id ) ) ); ?>"  class="button button-small"><?php esc_html_e( 'Check Entries', 'giveasap' ); ?></a>
		<?php

	}

	$winners = giveasap_get_winners( $post_id );

	if ( $winners ) {
		$emails = wp_list_pluck( $winners, 'email' );
		echo '<hr/><p><strong>' . esc_html__( 'Winner(s)', 'giveasap' ) . '</strong></p>';
		echo esc_html( implode( ', ', $emails ) );
	}
}

/**
 * Showing all the dates for the Giveaway
 *
 * @since  2.6.2
 *
 * @param  int    $post_id
 * @param  string $key
 * @return string
 */
function giveasap_column_dates_html( $post_id, $key ) {
	$schedule = get_post_meta( $post_id, 'giveasap_schedule', true );

	if ( ! $schedule ) {
		return; }

	$ga_schedule = new GA_Schedule( $schedule );

	esc_html_e( 'Start:', 'giveasap' );
	echo ' ';
	giveasap_the_formatted_datetime( $ga_schedule->get_start_timestamp(), false );
	?>
	<hr/>
	<?php
	esc_html_e( 'End:', 'giveasap' );
	echo ' ';
	giveasap_the_formatted_datetime( $ga_schedule->get_end_timestamp(), false );
	?>
	<hr/>
	<?php
	esc_html_e( 'Winner:', 'giveasap' );
	echo ' ';
	giveasap_the_formatted_datetime( $ga_schedule->get_winner_timestamp(), false );
}

/**
 * Adding buttons
 *
 * @since  2.6.2
 *
 * @param  int    $post_id
 * @param  string $key
 * @return string
 */
function giveasap_column_actions_html( $post_id, $key ) {
	$status = get_post_status( $post_id );

	switch ( $status ) {
		case 'publish':
			?>
			<button type="submit" name="giveasap_end" value="<?php echo esc_attr( $post_id ); ?>" class="button button-secondary button-small"><?php esc_html_e( 'End Giveaway', 'giveasap' ); ?></button>
			<button type="submit" name="giveasap_remind" value="<?php echo esc_attr( $post_id ); ?>" class="button button-secondary button-small"><?php esc_html_e( 'Remind Subscribers', 'giveasap' ); ?></button>
			<?php
			break;
		case 'giveasap_ended':
			?>
			<button type="submit"  name="giveasap_select" value="<?php echo esc_attr( $post_id ); ?>" class="button button-secondary button-small"><?php esc_html_e( 'Select Winner(s)', 'giveasap' ); ?></button>
			<?php
			break;
		case 'giveasap_winners':
			?>
			<button type="submit"  name="giveasap_select" value="<?php echo esc_attr( $post_id ); ?>" class="button button-secondary button-small"><?php esc_html_e( 'Reselect Winner(s)', 'giveasap' ); ?></button>
			<button type="submit" name="giveasap_notify" value="<?php echo esc_attr( $post_id ); ?>" class="button button-secondary button-small"><?php esc_html_e( 'Notify Winner(s)', 'giveasap' ); ?></button>
			<?php
			break;
		default:
			// code...
			break;
	}
	?>
	<button type="submit" name="sg_clone_giveaway" value="<?php echo esc_attr( $post_id ); ?>" class="button button-secondary button-small"><?php esc_html_e( 'Clone Giveaway', 'giveasap' ); ?></button>
	<button type="submit" name="giveasap_export" value="<?php echo esc_attr( $post_id ); ?>" class="button button-secondary button-small"><?php esc_html_e( 'Download CSV', 'giveasap' ); ?></button>
	<button type="submit" name="giveasap_export_winners" value="<?php echo esc_attr( $post_id ); ?>" class="button button-secondary button-small"><?php esc_html_e( 'Download Winners CSV', 'giveasap' ); ?></button>
	<p style="font-size:smaller;" class="description"><?php esc_html_e( 'CSV will not be created if there are no subscribers', 'giveasap' ); ?></p>
	<?php
}