<?php
$mode = (string)($_GET['m'] ?? null);
$misuzuBypassLockdown = $mode === 'avatar';

require_once '../misuzu.php';

$userId = (int)($_GET['u'] ?? 0);

switch ($mode) {
    case 'avatar':
        $avatar_filename = build_path(
            MSZ_ROOT,
            config_get_default('public/images/no-avatar.png', 'Avatar', 'default_path')
        );
        $user_avatar = "{$userId}.msz";
        $cropped_avatar = build_path(
            create_directory(build_path(MSZ_STORAGE, 'avatars/200x200')),
            $user_avatar
        );

        if (is_file($cropped_avatar)) {
            $avatar_filename = $cropped_avatar;
        } else {
            $original_avatar = build_path(MSZ_STORAGE, 'avatars/original', $user_avatar);

            if (is_file($original_avatar)) {
                try {
                    file_put_contents(
                        $cropped_avatar,
                        crop_image_centred_path($original_avatar, 200, 200)->getImagesBlob(),
                        LOCK_EX
                    );

                    $avatar_filename = $cropped_avatar;
                } catch (Exception $ex) {
                }
            }
        }

        header('Content-Type: ' . mime_content_type($avatar_filename));
        echo file_get_contents($avatar_filename);
        break;

    case 'background':
        $user_background = build_path(
            create_directory(build_path(MSZ_STORAGE, 'backgrounds/original')),
            "{$userId}.msz"
        );

        if (!is_file($user_background)) {
            echo render_error(404);
            break;
        }

        header('Content-Type: ' . mime_content_type($user_background));
        echo file_get_contents($user_background);
        break;

    default:
        $getProfile = db_prepare('
            SELECT
                u.*,
                COALESCE(u.`user_title`, r.`role_title`) as `user_title`,
                COALESCE(u.`user_colour`, r.`role_colour`) as `user_colour`,
                (
                    SELECT COUNT(`topic_id`)
                    FROM `msz_forum_topics`
                    WHERE `user_id` = u.`user_id`
                ) as `forum_topic_count`,
                (
                    SELECT COUNT(`post_id`)
                    FROM `msz_forum_posts`
                    WHERE `user_id` = u.`user_id`
                ) as `forum_post_count`,
                (
                    SELECT COUNT(`change_id`)
                    FROM `msz_changelog_changes`
                    WHERE `user_id` = u.`user_id`
                ) as `changelog_count`,
                (
                    SELECT COUNT(`comment_id`)
                    FROM `msz_comments_posts`
                    WHERE `user_id` = u.`user_id`
                ) as `comments_count`
            FROM `msz_users` as u
            LEFT JOIN `msz_roles` as r
            ON r.`role_id` = u.`display_role`
            WHERE `user_id` = :user_id
            OR LOWER(`username`) = LOWER(:username)
            LIMIT 1
        ');
        $getProfile->bindValue('user_id', $userId);
        $getProfile->bindValue('username', $_GET['u'] ?? '');
        $profile = $getProfile->execute() ? $getProfile->fetch() : [];

        if (!$profile) {
            http_response_code(404);
            echo tpl_render('user.notfound');
            break;
        }

        $isEditing = false;
        $userPerms = perms_get_user(MSZ_PERMS_USER, user_session_current('user_id', 0));
        $perms = [
            'edit_profile' => perms_check($userPerms, MSZ_PERM_USER_EDIT_PROFILE),
            'edit_avatar' => perms_check($userPerms, MSZ_PERM_USER_CHANGE_AVATAR),
            'edit_background' => perms_check($userPerms, MSZ_PERM_USER_CHANGE_BACKGROUND),
            'edit_about' => perms_check($userPerms, MSZ_PERM_USER_EDIT_ABOUT),
        ];

        if (user_session_active()) {
            $canEdit = user_session_current('user_id', 0) === $profile['user_id']
                || perms_check($userPerms, MSZ_PERM_USER_MANAGE_USERS);
            $isEditing = $canEdit && $mode === 'edit';

            $getFriendInfo = db_prepare('
                SELECT
                    :visitor as `visitor`, :profile as `profile`,
                    (
                        SELECT `relation_type`
                        FROM `msz_user_relations`
                        WHERE `user_id` = `visitor`
                        AND `subject_id` = `profile`
                    ) as `visitor_relation`,
                    (
                        SELECT `relation_type`
                        FROM `msz_user_relations`
                        WHERE `subject_id` = `visitor`
                        AND `user_id` = `profile`
                    ) as `profile_relation`,
                    (
                        SELECT MAX(`relation_created`)
                        FROM `msz_user_relations`
                        WHERE (`user_id` = `visitor` AND `subject_id` = `profile`)
                        OR (`user_id` = `profile` AND `subject_id` = `visitor`)
                    ) as `relation_created`
            ');
            $getFriendInfo->bindValue('visitor', user_session_current('user_id', 0));
            $getFriendInfo->bindValue('profile', $profile['user_id']);
            $friendInfo = $getFriendInfo->execute() ? $getFriendInfo->fetch(PDO::FETCH_ASSOC) : [];

            tpl_vars([
                'friend_info' => $friendInfo,
            ]);

            if ($isEditing) {
                tpl_vars([
                    'guidelines' => [
                        'avatar' => user_avatar_default_options(),
                        'background' => user_background_default_options(),
                    ],
                ]);
            }
        }

        if (!$isEditing) {
            tpl_var('profile_notices', ['The profile pages are still under much construction, more things will eventually populate the area where this container current exists.']);
        }

        tpl_vars([
            'profile' => $profile,
            'can_edit' => $canEdit ?? false,
            'is_editing' => $isEditing,
            'perms' => $perms,
            'profile_fields' => user_session_active() ? user_profile_fields_display($profile, !$isEditing) : [],
            'has_background' => is_file(build_path(MSZ_STORAGE, 'backgrounds/original', "{$profile['user_id']}.msz")),
        ]);
        echo tpl_render('user.profile');
        break;
}