<?
/*
 * $_REQUEST['action'] is artist, collages, requests or torrents (default torrents)
 * $_REQUEST['type'] depends on the page:
 *     collages:
 *        created = comments left on one's collages
 *        contributed = comments left on collages one contributed to
 *     requests:
 *        created = comments left on one's requests
 *        voted = comments left on requests one voted on
 *     torrents:
 *        uploaded = comments left on one's uploads
 *     If missing or invalid, this defaults to the comments one made
 */

include(SERVER_ROOT.'/classes/text.class.php'); // Text formatting class
$Text = new TEXT;

// User ID
if (isset($_GET['id']) && is_number($_GET['id'])) {
	$UserID = (int)$_GET['id'];

	$UserInfo = Users::user_info($UserID);

	$Username = $UserInfo['Username'];
	if ($LoggedUser['ID'] == $UserID) {
		$Self = true;
	} else {
		$Self = false;
	}
	$Perms = Permissions::get_permissions($UserInfo['PermissionID']);
	$UserClass = $Perms['Class'];
	if (!check_paranoia('torrentcomments', $UserInfo['Paranoia'], $UserClass, $UserID)) {
		error(403);
	}
} else {
	$UserID = $LoggedUser['ID'];
	$Username = $LoggedUser['Username'];
	$Self = true;
}

// Posts per page limit stuff
if (isset($LoggedUser['PostsPerPage'])) {
	$PerPage = $LoggedUser['PostsPerPage'];
} else {
	$PerPage = POSTS_PER_PAGE;
}
list($Page, $Limit) = Format::page_limit($PerPage);

if (!isset($_REQUEST['action'])) {
	$Action = 'torrents';
} else {
	$Action = $_REQUEST['action'];
}
if (!isset($_REQUEST['type'])) {
	$Type = 'default';
} else {
	$Type = $_REQUEST['type'];
}

// Construct the SQL query
$Conditions = $Join = array();
switch ($Action) {
	case 'artist':
		$Field1 = 'artists_group.ArtistID';
		$Field2 = 'artists_group.Name';
		$Table = 'artists_group';
		$Title = 'Artist comments left by ' . ($Self ? 'you' : $Username);
		$Header = 'Artist comments left by ' . ($Self ? 'you' : Users::format_username($UserID, false, false, false));
		$Conditions[] = "comments.AuthorID = $UserID";
		break;
	case 'collages':
		$Field1 = 'collages.ID';
		$Field2 = 'collages.Name';
		$Table = 'collages';
		$Conditions[] = "collages.Deleted = '0'";
		if ($Type == 'created') {
			$Conditions[] = "collages.UserID = $UserID";
			$Conditions[] = "comments.AuthorID != $UserID";
			$Title = 'Comments left on collages ' . ($Self ? 'you' : $Username) . ' created';
			$Header = 'Comments left on collages ' . ($Self ? 'you' : Users::format_username($UserID, false, false, false)) . ' created';
		} elseif ($Type == 'contributed') {
			$Conditions[] = 'IF(collages.CategoryID = ' . array_search('Artists', $CollageCats) . ', collages_artists.ArtistID, collages_torrents.GroupID) IS NOT NULL';
			$Conditions[] = "comments.AuthorID != $UserID";
			$Join[] = "LEFT JOIN collages_torrents ON collages_torrents.CollageID = collages.ID AND collages_torrents.UserID = $UserID";
			$Join[] = "LEFT JOIN collages_artists ON collages_artists.CollageID = collages.ID AND collages_artists.UserID = $UserID";
			$Title = 'Comments left on collages ' . ($Self ? 'you\'ve' : $Username . ' has') . ' contributed to';
			$Header = 'Comments left on collages ' . ($Self ? 'you\'ve' : Users::format_username($UserID, false, false, false).' has') . ' contributed to';
		} else {
			$Type = 'default';
			$Conditions[] = "comments.AuthorID = $UserID";
			$Title = 'Collage comments left by ' . ($Self ? 'you' : $Username);
			$Header = 'Collage comments left by ' . ($Self ? 'you' : Users::format_username($UserID, false, false, false));
		}
		break;
	case 'requests':
		$Field1 = 'requests.ID';
		$Field2 = 'requests.Title';
		$Table = 'requests';
		if ($Type == 'created') {
			$Conditions[] = "requests.UserID = $UserID";
			$Conditions[] = "comments.AuthorID != $UserID";
			$Title = 'Comments left on requests ' . ($Self ? 'you' : $Username) . ' created';
			$Header = 'Comments left on requests ' . ($Self ? 'you' : Users::format_username($UserID, false, false, false)) . ' created';
		} elseif ($Type == 'voted') {
			$Conditions[] = "requests_votes.UserID = $UserID";
			$Conditions[] = "comments.AuthorID != $UserID";
			$Join[] = 'JOIN requests_votes ON requests_votes.RequestID = requests.ID';
			$Title = 'Comments left on requests ' . ($Self ? 'you\'ve' : $Username . ' has') . ' voted on';
			$Header = 'Comments left on requests ' . ($Self ? 'you\'ve' : Users::format_username($UserID, false, false, false) . ' has') . ' voted on';
		} else {
			$Type = 'default';
			$Conditions[] = "comments.AuthorID = $UserID";
			$Title = 'Request comments left by ' . ($Self ? 'you' : $Username);
			$Header = 'Request comments left by ' . ($Self ? 'you' : Users::format_username($UserID, false, false, false));
		}
		break;
	case 'torrents':
	default:
		$Action = 'torrents';
		$Field1 = 'torrents.GroupID';
		$Field2 = 'torrents_group.Name';
		$Table = 'torrents';
		$Join[] = 'JOIN torrents_group ON torrents.GroupID = torrents_group.ID';
		if ($Type == 'uploaded') {
			$Conditions[] = "torrents.UserID = $UserID";
			$Conditions[] = 'comments.AddedTime > torrents.Time';
			$Conditions[] = "comments.AuthorID != $UserID";
			$Title = 'Comments left on torrents ' . ($Self ? 'you\'ve' : $Username . ' has') . ' uploaded';
			$Header = 'Comments left on torrents ' . ($Self ? 'you\'ve' : Users::format_username($UserID, false, false, false) . ' has') . ' uploaded';
		} else {
			$Type = 'default';
			$Conditions[] = "comments.AuthorID = $UserID";
			$Title = 'Torrent comments left by ' . ($Self ? 'you' : $Username);
			$Header = 'Torrent comments left by ' . ($Self ? 'you' : Users::format_username($UserID, false, false, false));
		}
		break;
}
$Join[] = "JOIN comments ON comments.Page = '$Action' AND comments.PageID = $Field1";
$Join = implode("\n\t\t", $Join);
$Conditions = implode(" AND ", $Conditions);
$Conditions = ($Conditions ? 'WHERE ' . $Conditions : '');

$SQL = "
	SELECT
		SQL_CALC_FOUND_ROWS
		comments.AuthorID,
		comments.Page,
		comments.PageID,
		$Field2,
		comments.ID,
		comments.Body,
		comments.AddedTime,
		comments.EditedTime,
		comments.EditedUserID
	FROM $Table
		$Join
	$Conditions
	GROUP BY comments.ID
	ORDER BY comments.ID DESC
	LIMIT $Limit";

$Comments = $DB->query($SQL);
$Count = $DB->record_count();

$DB->query("SELECT FOUND_ROWS()");
list($Results) = $DB->next_record();
$Pages = Format::get_pages($Page, $Results, $PerPage, 11);

$DB->set_query_id($Comments);
if ($Action == 'requests') {
	$RequestIDs = array_flip(array_flip($DB->collect('PageID')));
	$Artists = array();
	foreach ($RequestIDs as $RequestID) {
		$Artists[$RequestID] = Requests::get_artists($RequestID);
	}
	$DB->set_query_id($Comments);
} elseif ($Action == 'torrents') {
	$GroupIDs = array_flip(array_flip($DB->collect('PageID')));
	$Artists = Artists::get_artists($GroupIDs);
	$DB->set_query_id($Comments);
}

$LinkID = (!$Self ? '&amp;id=' . $UserID : '');
$ActionLinks = $TypeLinks = array();
if ($Action != 'artist') {
	$ActionLinks[] = '<a href="comments.php?action=artist' . $LinkID . '" class="brackets">Artist comments</a>';
}
if ($Action != 'collages') {
	$ActionLinks[] = '<a href="comments.php?action=collages' . $LinkID . '" class="brackets">Collage comments</a>';
}
if ($Action != 'requests') {
	$ActionLinks[] = '<a href="comments.php?action=requests' . $LinkID . '" class="brackets">Request comments</a>';
}
if ($Action != 'torrents') {
	$ActionLinks[] = '<a href="comments.php?action=torrents' . $LinkID . '" class="brackets">Torrent comments</a>';
}
switch ($Action) {
	case 'collages':
		$BaseLink = 'comments.php?action=collages' . $LinkID;
		if ($Type != 'default') {
			$TypeLinks[] = '<a href="' . $BaseLink . '" class="brackets">Display collage comments ' . ($Self ? 'you\'ve' : $Username . ' has') . ' made</a>';
		}
		if ($Type != 'created') {
			$TypeLinks[] = '<a href="' . $BaseLink . '&amp;type=created" class="brackets">Display comments left on ' . ($Self ? 'your collages' : 'collages created by ' .$Username) . '</a>';
		}
		if ($Type != 'contributed') {
			$TypeLinks[] = '<a href="' . $BaseLink . '&amp;type=contributed" class="brackets">Display comments left on collages ' . ($Self ? 'you\'ve' : $Username . ' has') . ' contributed to</a>';
		}
		break;
	case 'requests':
		$BaseLink = 'comments.php?action=requests' . $LinkID;
		if ($Type != 'default') {
			$TypeLinks[] = '<a href="' . $BaseLink . '" class="brackets">Display request comments you\'ve made</a>';
		}
		if ($Type != 'created') {
			$TypeLinks[] = '<a href="' . $BaseLink . '&amp;type=created" class="brackets">Display comments left on your requests</a>';
		}
		if ($Type != 'voted') {
			$TypeLinks[] = '<a href="' . $BaseLink . '&amp;type=voted" class="brackets">Display comments left on requests you\'ve voted on</a>';
		}
		break;
	case 'torrents':
		if ($Type != 'default') {
			$TypeLinks[] = '<a href="comments.php?action=torrents' . $LinkID . '" class="brackets">Display comments you have made</a>';
		}
		if ($Type != 'uploaded') {
			$TypeLinks[] = '<a href="comments.php?action=torrents' . $LinkID . '&amp;type=uploaded" class="brackets">Display comments left on your uploads</a>';
		}
		break;
}
$Links = implode(' ', $ActionLinks) . (count($TypeLinks) ? '<br />' . implode(' ', $TypeLinks) : '');

View::show_header($Title, 'bbcode,comments');
?><div class="thin">
	<div class="header">
		<h2><?=$Header?></h2>
<? if ($Links !== '') { ?>
		<div class="linkbox">
			<?=$Links?>
		</div>
<? } ?>
	</div>
	<div class="linkbox">
		<?=$Pages?>
	</div>
<?
if ($Count > 0) {
	$DB->set_query_id($Comments);
	while (list($AuthorID, $Page, $PageID, $Name, $PostID, $Body, $AddedTime, $EditedTime, $EditedUserID) = $DB->next_record()) {
		$Link = Comments::get_url($Page, $PageID, $PostID);
		switch ($Page) {
			case 'artist':
				$Header = " on <a href=\"artist.php?id=$PageID\">$Name</a>";
				break;
			case 'collages':
				$Header = " on <a href=\"collages.php?id=$PageID\">$Name</a>";
				break;
			case 'requests':
				$Header = ' on ' . Artists::display_artists($Artists[$PageID]) . " <a href=\"requests.php?action=view&id=$PageID\">$Name</a>";
				break;
			case 'torrents':
				$Header = ' on ' . Artists::display_artists($Artists[$PageID]) . " <a href=\"torrents.php?id=$PageID\">$Name</a>";
				break;
		}
		CommentsView::render_comment($AuthorID, $PostID, $Body, $AddedTime, $EditedUserID, $EditedTime, $Link, false, $Header, false);
	}
} else { ?>
	<div class="center">No results.</div>
<? } ?>
	<div class="linkbox">
		<?=$Pages?>
	</div>
</div>
<?
View::show_footer();