#!/usr/bin/env php
<?php

$root = dirname(dirname(__FILE__));
require_once $root.'/scripts/__init_script__.php';
require_once 'storage.php';
require_once 'phab.php';

class Issue {
        public $id,
                $key,
                $project,
                $reporter,
                $summary,
                $type,
                $description,
                $priority,
                $status,
                $created,
                $updated,
                $votes,
                $watches;
}

class Action {
        public
                $id,
                $issue,
                $author,
                $type,
                $body,
                $created,
                $updatedauthor,
                $updated;
}


$tasks = array();
$map = array();

try {
        $doc = new DOMDocument();
        $doc->load('entities.xml');

        $xpath = new DOMXPath($doc);

        $issues = $xpath->query('/entity-engine-xml/Issue');

        foreach ($issues as $issue_node) {
                $issue = new Issue();
                // Extract the attributes
                foreach ($issue_node->attributes as $index => $attr) {
                        if (property_exists('Issue', $attr->name)) {
                                $issue->{$attr->name} = $attr->value;
                        }
                }

                if ($issue_node->hasChildNodes()) {
                        foreach ($issue_node->childNodes as $child)
                                $issue->description .= $child->nodeValue;
                }

                $map[$issue->id]['issue'] = $issue;
        }

        $comments = $xpath->query('/entity-engine-xml/Action');

        foreach ($comments as $comment) {
                $action = new Action();
                // Extract the attributes
                foreach ($comment->attributes as $index => $attr) {
                        if (property_exists('Action', $attr->name)) {
                                $action->{$attr->name} = $attr->value;
                        }
                }

                if ($comment->hasChildNodes()) {
                        foreach ($comment->childNodes as $child)
                                $comment->body .= $child->nodeValue;
                }

                $map[$action->issue]['comments'] = $action;
        }

        convert_issues($map);
} catch (Exception $e){
        echo $e->getMessage();
        exit();
}

function convert_issues(array $issues) {
        foreach ($issues as $issue_id => $issue_data) {
                $issue = $issue_data['issue'];
                $comments = $issue_data['comments'];

                $author = lookup_user($issue->reporter);
                $status = ManiphestTaskStatus::STATUS_CLOSED_RESOLVED;
                $description = str_replace("\r\n", "\n", $issue->description);
                $title = $issue->summary;
                $created = $issue->created;

                switch ($issue->status) {
                        case 6:
                        case 3:
                                $status = ManiphestTaskStatus::STATUS_CLOSED_RESOLVED;
                                break;
                        case 1:
                                $status = ManiphestTaskStatus::STATUS_OPEN;
                                break;
                }

                /* create task */
                $task = create_task($author, $issue->id, $title, array(), $description, null, $created, null, 0);

                $last_date = null;
                foreach ($comments as $comment) {
                        $comment_author = lookup_user($comment->author);

                        create_comment($task, $comment_author, $comment->description, $comment->created);
                        $last_date = $comment->created;
                }

                if ($status === ManiphestTaskStatus::STATUS_CLOSED_RESOLVED) {
                        set_status($task, $author, $status, $last_date === null ? $created : $last_date);
                }
        }
}