<?php

if ( !defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

class WPDesk_Flexible_Shipping_Shipping_Manifest_CPT {

    private $plugin = null;

    public function __construct( Flexible_Shipping_Plugin $plugin ) {
        $this->plugin = $plugin;
        $this->hooks();
    }

    public function hooks() {

        add_action( 'init', array( $this, 'register_post_types' ), 20 );

        add_action( 'admin_init', array( $this, 'cancel_manifest' ), 20 );

        add_action( 'admin_init', array( $this, 'download_manifest' ), 20 );

        add_action( 'admin_menu', array( $this, 'admin_menu' ), 199 );

        add_action( 'add_meta_boxes', array( $this, 'add_meta_boxes' ), 20, 2 );

        add_action( 'trash_shipping_manifest', array( $this, 'trash_shipping_manifest' ) );

        add_filter( 'manage_edit-shipping_manifest_columns', array( $this, 'manage_edit_shipping_manifest_columns' ), 11 );

        add_action( 'manage_shipping_manifest_posts_custom_column', array(
            $this,
            'manage_shipping_manifest_posts_custom_column'
        ), 11 );

        add_filter( 'post_row_actions', array( $this, 'shipping_manifest_row_actions' ), 10, 2 ) ;

        add_action( 'do_meta_boxes', array( $this, 'hide_publish_metabox' ) );

        add_filter( 'woocommerce_screen_ids', array( $this, 'woocommerce_screen_ids' ) );

        add_filter( 'bulk_actions-edit-shipping_manifest', array( $this, 'bulk_actions_edit_shipping_manifest' ) );

        add_action( 'restrict_manage_posts', array( $this, 'restrict_manage_posts' ), 9999 );
        add_filter( 'parse_query', array( $this, 'parse_query' ), 999 );

    }

    /**
     * Register post types.
     */
    public function register_post_types() {

        if ( post_type_exists( 'shipping_manifest' ) ) {
            return;
        }

        register_post_type( 'shipping_manifest',
            array(
                'labels'              => array(
                    'name'               => __( 'Shipping Manifests', 'flexible-shipping' ),
                    'singular_name'      => __( 'Shipping Manifest', 'flexible-shipping' ),
                    'menu_name'          => __( 'Shipping Manifests', 'flexible-shipping' ),
                    'parent_item_colon'  => '',
                    'all_items'          => __( 'Shipping Manifests', 'flexible-shipping' ),
                    'view_item'          => __( 'View Shipping Manifests', 'flexible-shipping' ),
                    'add_new_item'       => __( 'Add new Shipping Manifest', 'flexible-shipping' ),
                    'add_new'            => __( 'Add new Shipping Manifests', 'flexible-shipping' ),
                    'edit_item'          => __( 'Edit Shipping Manifest', 'flexible-shipping' ),
                    'update_item'        => __( 'Save Shipping Manifest', 'flexible-shipping' ),
                    'search_items'       => __( 'Search Shipping Manifests', 'flexible-shipping' ),
                    'not_found'          => __( 'Shipping Manifests not found', 'flexible-shipping' ),
                    'not_found_in_trash' => __( 'Shipping Manifests not found in trash', 'flexible-shipping' )
                ),
                'description'         => __( 'Shipping Manifests.', 'flexible-shipping' ),
                'public'              => false,
                'show_ui'             => true,
                'capability_type'     => 'post',
                'capabilities'        => array( 'create_posts' => false ),
                'map_meta_cap'        => true,
                'publicly_queryable'  => false,
                'exclude_from_search' => true,
                'hierarchical'        => false,
                'query_var'           => true,
                'supports'            => array( 'title' ),
                'has_archive'         => false,
                'show_in_nav_menus'   => false,
                'show_in_menu'        => 'edit.php?post_type=shop_order',
                'menu_icon'           => 'dashicons-upload',
            )
        );

    }

    public function admin_menu() {
        $show_in_menu = current_user_can( 'manage_woocommerce' ) ? 'woocommerce' : false;
        if ( apply_filters( 'flexible_shipping_has_manifests', false ) ) {
	        $slug = add_submenu_page( $show_in_menu, __( 'Shipping Manifests', 'flexible-shipping' ), __( 'Shipping Manifests', 'flexible-shipping' ), 'manage_woocommerce', 'edit.php?post_type=shipping_manifest' );
        }
    }


    public function add_meta_boxes( $post_type, $post ) {
        if ( $post_type == 'shipping_manifest' ) {
            /*
            add_meta_box(
                'shipping_manifest_meta_box',
                __('Shipping manifest data', 'flexible-shipping'),
                array( $this, 'metabox' ),
                'shipping_manifest',
                'normal',
                'high'
            );
            */
            add_meta_box(
                'shipping_manifest_shipments',
                __('Shipments', 'flexible-shipping'),
                array( $this, 'shipments_metabox' ),
                'shipping_manifest',
                'normal',
                'high'
            );
        }
    }

    public function metabox() {
        global $post;
        echo '<pre>';
        print_r( $post );
        echo '</pre>';
        $meta_data = get_post_meta( $post->ID );
        foreach ( $meta_data as $key => $val ) {
            echo '<pre>';
            echo $key;
            echo ' = ';
            print_r( maybe_unserialize( $val[0] ) );
            echo '</pre>';
        }
    }

    public function shipments_metabox() {
        global $post;
        $manifest = fs_get_manifest( $post->ID );
        $shipments_array = $manifest->get_meta( '_shipments', array() );
        $shipments = array();
        foreach ( $shipments_array as $shipment_id ) {
            $shipments[] = fs_get_shipment( $shipment_id );
        }
        include( 'views/manifest-metabox.php' );
        /*
        echo "<pre>";
        print_r($shipments);
        echo "</pre>";
        */
    }

    public function manage_edit_shipping_manifest_columns( $columns ) {
        unset( $columns['title'] );
        unset( $columns['date'] );
        unset( $columns['cb'] );
        $columns['manifest_date'] = __( 'Date', 'flexible-shipping' );
        $columns['integration'] = __( 'Integration', 'flexible-shipping' );
        $columns['external_number'] = __( 'Number', 'flexible-shipping' );
        $columns['shipment_count'] = __( 'Shipments count', 'flexible-shipping' );
        $columns['actions'] = __( 'Actions', 'flexible-shipping' );
        return $columns;
    }

    public function shipping_manifest_row_actions( $actions, $post ) {
        if ( $post->post_type == 'shipping_manifest' ) {
            $actions = array();
        }
        return $actions;
    }

    public function manage_shipping_manifest_posts_custom_column( $column ) {
        global $post;
        global $manifest;
        $integrations = apply_filters( 'flexible_shipping_integration_options', array() );
        if ( empty( $manifest ) || $manifest->get_id() != $post->ID ) {
            $manifest = fs_get_manifest( $post->ID );
        }
        if ( $column == 'manifest_date' ) {
            echo $manifest->get_date();
        }
        if ( $column == 'integration' ) {
            echo $integrations[$manifest->get_integration()];
        }
        if ( $column == 'external_number' ) {
            $download_manifest_url = admin_url('edit.php?post_type=shipping_manifest&flexible_shipping_download_manifest=' . $manifest->get_id() . '&nonce=' . wp_create_nonce('flexible_shipping_download_manifest'));
            include( 'views/column-number.php' );
        }
        if ( $column == 'shipment_count' ) {
            echo count( $manifest->get_meta( '_shipments', array() ) );
        }
        if ( $column == 'actions' ) {
            if ( $manifest->get_status() != 'trash' ) {
	            $download_manifest_url = admin_url('edit.php?post_type=shipping_manifest&flexible_shipping_download_manifest=' . $manifest->get_id() . '&nonce=' . wp_create_nonce('flexible_shipping_download_manifest'));
                $cancel_url = admin_url('edit.php?post_type=shipping_manifest&flexible_shipping_cancel_manifest=' . $manifest->get_id() . '&nonce=' . wp_create_nonce('flexible_shipping_cancel_manifest'));
                include( 'views/column-actions.php' );
            }
        }
    }

    public function woocommerce_screen_ids( $screen_ids ) {
        $screen_ids[] = 'edit-shipping_manifest';
        $screen_ids[] = 'shipping_manifest';
        return $screen_ids;
    }

    public function bulk_actions_edit_shipping_manifest( $bulk_actions ) {
        $bulk_actions = array();
        return $bulk_actions;
    }

    public function cancel_manifest() {
        if ( !empty( $_GET['flexible_shipping_cancel_manifest'] ) && !empty( $_GET['nonce'] ) ) {
            $nonce = $_GET['nonce'];
            if ( !wp_verify_nonce( $nonce, 'flexible_shipping_cancel_manifest' ) ) {
                echo __( 'Invalid nonce!', 'flexible-shipping' );
                exit;
            }
            $sendback = admin_url( 'edit.php?post_type=shipping_manifest' );
            try {
                $shipping_manifest_id = $_GET['flexible_shipping_cancel_manifest'];
                $shipping_manifest = fs_get_manifest( $shipping_manifest_id );
                $shipping_manifest->cancel();
                fs_delete_manifest( $shipping_manifest );
                wp_redirect( $sendback );
                exit();
            }
            catch ( Exception $e ) {
                wp_redirect( $sendback );
                exit();
            }

        }
    }

    public function download_manifest() {
        if ( !empty( $_GET['flexible_shipping_download_manifest'] ) && !empty( $_GET['nonce'] ) ) {
            $nonce = $_GET['nonce'];
            if ( !wp_verify_nonce( $nonce, 'flexible_shipping_download_manifest' ) ) {
                echo __( 'Invalid nonce!', 'flexible-shipping' );
            }
            try {
                $shipping_manifest_id = $_GET['flexible_shipping_download_manifest'];
                $shipping_manifest = fs_get_manifest( $shipping_manifest_id );
                $manifest = $shipping_manifest->get_manifest();
                header( "Content-type: application/octet-stream" );
                header( "Content-Disposition: attachment; filename=" . $manifest['file_name'] );
                echo $manifest['content'];
            }
            catch ( Exception $e ) {
                echo $e->getMessage();
            }
	        exit();
        }
    }

    public function hide_publish_metabox() {
        remove_meta_box( 'submitdiv', 'shipping_manifest', 'side' );
    }

    public function trash_shipping_manifest( $post_id ) {
        $manifest = fs_get_manifest( $post_id );
        $shipments_posts = get_posts( array(
            'posts_per_page'    => -1,
            'post_type'         => 'shipment',
            'post_status'       => 'any',
            'meta_key'          => '_manifest',
            'meta_value'        => $post_id
        ));
        foreach ( $shipments_posts as $shipment_post ) {
            $shipment = fs_get_shipment( $shipment_post->ID );
            $shipment->delete_meta( '_manifest' );
            $shipment->update_status('fs-confirmed' );
            $shipment->save();
        }
        $manifest->delete_meta( '_shipments' );
        $manifest->save();
    }

    public function restrict_manage_posts() {
        global $typenow;
        if ( 'shipping_manifest' == $typenow ){
            $integrations = apply_filters( 'flexible_shipping_integration_options', array() );
            foreach ( $integrations as $key => $integration ) {
                if ( !class_exists( 'WPDesk_Flexible_Shipping_Manifest_' . $key ) ) {
                    unset( $integrations[$key] );
                }
            }
            $integration = '';
            if ( isset( $_GET['flexible_shipping_integration_filter'] ) ) {
                $integration = $_GET['flexible_shipping_integration_filter'];
            }
            include( 'views/filter-form.php' );
        }
    }

    public function parse_query( $query ) {
        global $pagenow;
        $type = 'shipping_manifest';
        if ( isset( $_GET['post_type'] ) ) {
            $type = $_GET['post_type'];
        }
        if ( isset( $query->query_vars['post_type'] ) && $query->query_vars['post_type'] == 'shipping_manifest' ) {
            if ( 'shipping_manifest' == $type && is_admin() && 'edit.php' == $pagenow ) {
                $integration = '';
                if ( isset( $_GET['flexible_shipping_integration_filter'] ) ) {
                    $integration = $_GET['flexible_shipping_integration_filter'];
                }
                if ( $integration != '' ) {
                    if ($integration != '') {
                        if (!isset($query->query_vars['meta_query'])) {
                            $query->query_vars['meta_query'] = array();
                        }
                        $meta_query = array();
                        $meta_query['key'] = '_integration';
                        $meta_query['value'] = $integration;
                        $query->query_vars['meta_query'][] = $meta_query;
                    }
                }
            }
        }
    }


}