<?php

use mystic\forum\orm\Attachment;
use mystic\forum\orm\Post;
use mystic\forum\orm\Topic;
use mystic\forum\orm\User;
use mystic\forum\utils\RequestUtils;

$query = $_GET["query"] ?? null;
if ($query !== null) {
    $start_time = microtime(true);
    /** @var Post[] $posts */
    $posts = $db->execCustomQuery(<<<SQL
        SELECT posts.* FROM topics, posts
        WHERE
            NOT posts.deleted
            AND to_tsvector('english', topics.title || ' ' || posts.content) @@ websearch_to_tsquery('english', $1)
        ORDER BY posts.post_date DESC
        ;
    SQL, [ $query ], Post::class);

    $topicLookup = [];
    $attachmentLookup = [];
    $userLookup = [];
    foreach ($posts as $item) {
        if (!isset($topicLookup[$item->topicId])) {
            $topic = new Topic;
            $topic->id = $item->topicId;
            if ($db->fetch($topic))
                $topicLookup[$topic->id] = &$topic;
        }
        if (!isset($attachmentLookup[$item->id])) {
            $attachmentLookup[$item->id] = $db->fetchCustom(Attachment::class, 'WHERE post_id = $1', [ $item->id ]);
        }
        if (!isset($userLookup[$item->authorId])) {
            $user = new User;
            $user->id = $item->authorId;
            if ($db->fetch($user))
                $userLookup[$item->authorId] = $user;
        }
    }
    $end_time = microtime(true);
    $search_duration = $end_time - $start_time;
    
    _view("template_start", ["_title" => __("Search results for “%query%”", [ "query" => $query ])]);
    _view("template_navigation_start");
    _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
    _view("template_navigation_end");
    _view("form_search", [ "query" => $query ]);
    _view("view_search_results", [
        "posts" => &$posts,
        "topics" => &$topicLookup,
        "users" => &$userLookup,
        "attachments" => &$attachmentLookup,
        "search_duration" => $search_duration,
    ]);
    _view("template_end", [...getThemeAndLangInfo()]);
} else {
    _view("template_start", ["_title" => __("Search")]);
    _view("template_navigation_start");
    _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
    _view("template_navigation_end");
    _view("form_search");
    _view("template_end", [...getThemeAndLangInfo()]);
}