<?php

/**
 * Copyright 2009-2017 Christoph Brill <egore911@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @category  JSON
 * @package   DRI\API
 * @author    Christoph Brill <egore911@gmail.com>
 * @copyright 2012-2017 Christoph Brill <egore911@gmail.com>
 * @license   MIT https://opensource.org/licenses/MIT
 * @link      https://people.freedesktop.org/~cbrill/
 */

if (!isset($_GET['date'])) {
    $_GET['date'] = 'today';
}

if (!isset($_GET['mode'])) {
    $_GET['mode'] = '';
}

require_once 'common.inc.php';

// Read all lines of the log into an array
$filename = 'dri-devel-'.$date.'.log';
if (file_exists(LOG_DIR.$filename)) {
    $lines = file(LOG_DIR.$filename);
} else {
    $lines = array();
}

header("Content-type: application/json;");

$retval = array();
$retval['maxdate'] = validDate('today');
$retval['channel'] = $channel;
$retval['date'] = $date;

switch ($_GET['mode']) {
case '':
case 'watch':
    $retval['data'] = array();

    // Determine which users will be watched
    if (isset($_GET['users'])) {
        $users = explode(',', $_GET['users']);
    } else {
        $users = array();
    }

    // No users given, this will return a empty result
    if (count($users) == 0) {
        break;
    }

    // Create an array for every user to hold his/her lines
    foreach ($users as $user) {
        $$user = array();
    }

    // Assign all lines to a user
    foreach ($lines as $line_num => $line) {
        if (isFromChannel($line, $channel)) {
            if (!filterJoin($line)) {
                $user = substr(getUser($line), 2, -1);
                if (in_array($user, $ignore)) {
                    continue;
                }
                if (in_array($user, $users)) {
                    $elem = array();
                    $time = getTime($line);
                    $userx = getUser($line);
                    $elem['anchor'] = 't-'.str_replace(':', '', $time);
                    $elem['time'] = $time; 
                    $line = str_replace($time.' ', '', $line);
                    $line = str_replace('#'.$channel.': ', '', $line);
                    $line = str_replace($userx, '', $line);
                    $elem['content'] = trim($line);
                    array_push($$user, $elem);
                }
            }
        }
    }

    // Add all the lines to the return value
    foreach ($users as $user) {
        if (empty($$user)) {
            continue;
        }
        $row = array();
        $row['name'] = $user;
        if (isset($realname[$user])) {
            $row['realname'] = $realname[$user];
        }
        $image = getImage($user);
        if ($image != null) {
            $row['image'] = $image;
        }
        $row['data'] = $$user;
        array_push($retval['data'], $row);
    }
    break;
case 'show':
    $retval['users'] = array();
    $retval['data'] = array();
    foreach ($lines as $line_num => $line) {
        if (isFromChannel($line, $channel)) {
            if (!filterJoin($line)) {
                $user = substr(getUser($line), 2, -1);
                if (in_array($user, $ignore)) {
                    continue;
                }

                $elem = array();
                $time = getTime($line);
                $userx = getUser($line);
                $elem['anchor'] = 't-'.str_replace(':', '', $time);
                $elem['time'] = $time; 
                $line = str_replace($time.' ', '', $line);
                $line = str_replace('#'.$channel.': ', '', $line);
                $line = str_replace($userx, '', $line);
                $elem['content'] = trim($line);
                
                $userdata = array();
                $userdata['name'] = $user;
                if (isset($realname[$user])) {
                    $userdata['realname'] = $realname[$user];
                }
                $image = getImage($user);
                if ($image != null) {
                    $userdata['image'] = $image;
                }
                $retval['users'][$user] = $userdata;
                $elem['user'] = $user;
                
                array_push($retval['data'], $elem);
            }
        }
    }
    $retval['users'] = array_values($retval['users']);
    break;
default:
    break;
}
        
echo json_encode($retval);