<?php
/**
 * SportsPress Admin Sports Class.
 *
 * The SportsPress admin sports class stores preset sport data.
 *
 * @class 		SP_Admin_Sports
 * @version		0.8
 * @package		SportsPress/Admin
 * @category	Class
 * @author 		ThemeBoy
 */
class SP_Admin_Sports {

	public static $presets = array();
	public static $options = array();

	/**
	 * Include the preset classes
	 */
	public static function get_presets() {
		if ( empty( self::$presets ) ) {
			$presets = array();
			$dir = scandir( SP()->plugin_path() . '/presets' );
			$files = array();
			if ( $dir ) {
				foreach ( $dir as $key => $value ) {
					if ( substr( $value, 0, 1 ) !== '.' ) {
						$files[] = $value;
					}
				}
			}
			foreach( $files as $file ) {
				$json_data = file_get_contents( SP()->plugin_path() . '/presets/' . $file );
				$data = json_decode( $json_data, true );
				if ( ! is_array( $data ) ) continue;
				$id = preg_replace('/\\.[^.\\s]{3,4}$/', '', $file );
				$presets[ $id ] = $data;
				$name = array_key_exists( 'name', $data ) ? $data['name'] : $id;
				self::$options[ $id ] = $name;
			}
			self::$options[ 'custom' ] = __( 'Custom', 'sportspress' );
			self::$presets = apply_filters( 'sportspress_get_presets', $presets );
		}
		return self::$presets;
	}

	public static function get_preset( $id ) {
		$json_data = file_get_contents( SP()->plugin_path() . '/presets/' . $id . '.json' );
		return json_decode( $json_data, true );
	}

	public static function get_preset_options() {
		$presets = self::get_presets();
		return self::$options;
	}

	/**
	 * Apply preset
	 *
	 * @access public
	 * @return void
	 */
	public static function apply_preset( $id ) {
		if ( 'custom' == $id ) {
			$preset = array();
		} else {
			$preset = self::get_preset( $id );
		}

		// Outcomes
		$post_type = 'sp_outcome';
		$outcomes = sp_array_value( $preset, 'outcomes', array() );
		self::delete_preset_posts( $post_type );
		foreach ( $outcomes as $index => $outcome ) {
			$post = self::get_post_array( $outcome, $post_type );
			if ( empty( $post ) ) continue;
			$id = self::insert_preset_post( $post, $index );
		}

		// Results
		$post_type = 'sp_result';
		$results = sp_array_value( $preset, 'results', array() );
		self::delete_preset_posts( $post_type );
		$primary_result = 0;
		foreach ( $results as $index => $result ) {
			$post = self::get_post_array( $result, $post_type );
			if ( empty( $post ) ) continue;
			$id = self::insert_preset_post( $post, $index );
			if ( array_key_exists( 'primary', $result ) ) $primary_result = $post['post_name'];
		}

		// Performance
		$post_type = 'sp_performance';
		$performances = sp_array_value( $preset, 'performance', array() );
		self::delete_preset_posts( $post_type );
		foreach ( $performances as $index => $performance ) {
			$post = self::get_post_array( $performance, $post_type );
			if ( empty( $post ) ) continue;
			$id = self::insert_preset_post( $post, $index );
		}

		// Columns
		$post_type = 'sp_column';
		$columns = sp_array_value( $preset, 'columns', array() );
		self::delete_preset_posts( $post_type );
		foreach ( $columns as $index => $column ) {
			$post = self::get_post_array( $column, $post_type );
			if ( empty( $post ) ) continue;
			$id = self::insert_preset_post( $post, $index );
			update_post_meta( $id, 'sp_equation', sp_array_value( $column, 'equation', null ) );
			update_post_meta( $id, 'sp_precision', sp_array_value( $column, 'precision', 0 ) );
			update_post_meta( $id, 'sp_priority', sp_array_value( $column, 'priority', null ) );
			update_post_meta( $id, 'sp_order', sp_array_value( $column, 'order', 'DESC' ) );
		}

		// Metrics
		$post_type = 'sp_metric';
		$metrics = sp_array_value( $preset, 'metrics', array() );
		self::delete_preset_posts( $post_type );
		foreach ( $metrics as $index => $metric ) {
			$post = self::get_post_array( $metric, $post_type );
			if ( empty( $post ) ) continue;
			$id = self::insert_preset_post( $post, $index );
		}

		// Statistics
		$post_type = 'sp_statistic';
		$statistics = sp_array_value( $preset, 'statistics', array() );
		self::delete_preset_posts( $post_type );
		foreach ( $statistics as $index => $statistic ) {
			$post = self::get_post_array( $statistic, $post_type );
			if ( empty( $post ) ) continue;
			$id = self::insert_preset_post( $post, $index );
			update_post_meta( $id, 'sp_equation', sp_array_value( $statistic, 'equation', null ) );
			update_post_meta( $id, 'sp_precision', sp_array_value( $statistic, 'precision', 0 ) );
		}
    	update_option( 'sportspress_primary_result', $primary_result );
	}

	public static function delete_preset_posts( $post_type = null ) {
		$args = array(
			'post_type' => $post_type,
			'posts_per_page' => -1,
			'post_status' => array( 'publish', 'pending', 'draft', 'auto-draft', 'future', 'private', 'inherit', 'trash' ),
			'meta_query' => array(
				array(
					'key' => '_sp_preset',
					'value' => 1
				)
			)
		);

		// Delete posts
		$old_posts = get_posts( $args );
		foreach( $old_posts as $post ):
			wp_delete_post( $post->ID, true );
		endforeach;
	}

	public static function get_post_array( $post = array(), $post_type = null ) {
		$post_array = array();
		if ( is_string( $post ) ) {
			$post_array['post_title'] = $post;
			$post_array['post_name'] = sp_get_eos_safe_slug( $post_array['post_title'] );
		} elseif ( is_array( $post ) ) {
			if ( ! array_key_exists( 'name', $post ) ) $post_array = array();
			$post_array['post_title'] = $post['name'];
			$post_array['post_name'] = sp_array_value( $post, 'id', sp_get_eos_safe_slug( $post_array['post_title'] ) );
		}

		// Return empty array if post with same slug already exists
		if ( get_page_by_path( $post_array['post_name'], OBJECT, $post_type ) ) return array();

		// Set post type
		$post_array['post_type'] = $post_type;

		// Add post excerpt
		$post_array['post_excerpt'] = sp_array_value( $post, 'description', $post_array['post_title'] );

		return $post_array;
	}

	public static function insert_preset_post( $post, $index = 0 ) {
		// Increment menu order by 10 and publish post
		$post['menu_order'] = $index * 10 + 10;
		$post['post_status'] = 'publish';
		$id = wp_insert_post( $post );

		// Flag as preset
		update_post_meta( $id, '_sp_preset', 1 );

		return $id;
	}
}