<?php
/*
    p2 - スレッド表示スクリプト
    フレーム分割画面、右下部分
*/

require_once './conf/conf.inc.php';

if (UA::isIPhoneGroup()) {
    require_once './iphone/conf.inc.php';
}

require_once P2_LIB_DIR . '/Thread.php';
require_once P2_LIB_DIR . '/ThreadRead.php';
require_once P2_LIB_DIR . '/filectl.class.php';
require_once P2_LIB_DIR . '/NgAbornCtl.php';
require_once P2_LIB_DIR . '/ShowThread.php';
require_once P2_LIB_DIR . '/P2Validate.php';

$_login->authorize(); // ユーザ認証

//================================================================
// 変数
//================================================================

// {{{ 携帯用 特殊リクエスト

if ($_conf['ktai'] && isset($_GET['ktool_name']) && isset($_GET['ktool_value'])) {

    switch ($_GET['ktool_name']) {
        case 'goto':
            if (strpos($_GET['ktool_value'], '-') !== false) {
                $_REQUEST['ls'] = $_GET['ls'] = $_GET['ktool_value'];
            } else {
                $ktv = intval($_GET['ktool_value']);
                $_REQUEST['ls'] = $_GET['ls'] = $ktv . '-' . ($ktv + $_conf['k_rnum_range']);
            }
            break;
            
        case 'res_quote':
            $_GET['resnum'] = (int)$_GET['ktool_value'];
            $_GET['inyou'] = 1;
            require './post_form.php';
            exit;
            
        case 'copy_quote':
            $_GET['inyou'] = 1;
            
        case 'copy':
            $GLOBALS['_read_copy_resnum'] = (int)$_GET['ktool_value'];
            require './read_copy_k.php';
            exit;
            
        /* 2006/03/06 aki ノーマルp2では未対応
        case 'aas_rotate':
            $_GET['rotate'] = 1;
            
        case 'aas':
            $_GET['resnum'] = (int)$_GET['ktool_value'];
            require './aas.php';
            exit;
        */
    }
}

// }}}

// スレの指定
list($host, $bbs, $key, $ls) = _detectThread();

// {{{ レスフィルタ

$GLOBALS['res_filter'] = array(
    'field'  => null,
    'match'  => null,
    'method' => null
);

if (isset($_POST['field']))  { $GLOBALS['res_filter']['field']  = $_POST['field']; }
if (isset($_GET['field']))   { $GLOBALS['res_filter']['field']  = $_GET['field']; }
if (isset($_POST['match']))  { $GLOBALS['res_filter']['match']  = $_POST['match']; }
if (isset($_GET['match']))   { $GLOBALS['res_filter']['match']  = $_GET['match']; }
if (isset($_POST['method'])) { $GLOBALS['res_filter']['method'] = $_POST['method']; }
if (isset($_GET['method']))  { $GLOBALS['res_filter']['method'] = $_GET['method']; }

// $GLOBALS['word'] などの検索語の取り扱いがどさくさなのは、できれば整理したいところ...
$GLOBALS['word'] = geti($_POST['word'], geti($_GET['word']));
$GLOBALS['word_fm'] = null;

if (strlen($GLOBALS['word'])) {

    // デフォルトオプション
    if (empty($GLOBALS['res_filter']['field']))  { $GLOBALS['res_filter']['field']  = "whole"; }
    if (empty($GLOBALS['res_filter']['match']))  { $GLOBALS['res_filter']['match']  = "on"; }
    if (empty($GLOBALS['res_filter']['method'])) { $GLOBALS['res_filter']['method'] = "or"; }

    if (!($GLOBALS['res_filter']['method'] == 'regex' && preg_match('/^\.+$/', $GLOBALS['word']))) {
        require_once P2_LIB_DIR . '/StrCtl.php';
        $GLOBALS['word_fm'] = StrCtl::wordForMatch($GLOBALS['word'], $GLOBALS['res_filter']['method']);
        if ($GLOBALS['res_filter']['method'] != 'just') {
            if (P2_MBREGEX_AVAILABLE == 1) {
                $GLOBALS['words_fm'] = mb_split('\s+', $GLOBALS['word_fm']);
                $GLOBALS['word_fm'] = mb_ereg_replace('\s+', '|', $GLOBALS['word_fm']);
            } else {
                $GLOBALS['words_fm'] = preg_split('/\s+/', $GLOBALS['word_fm']);
                $GLOBALS['word_fm'] = preg_replace('/\s+/', '|', $GLOBALS['word_fm']);
            }
            $GLOBALS['word_fm'] = '(?:' . $GLOBALS['word_fm'] . ')';
        }
    }
    
    if (UA::isK()) {
        $filter_page = isset($_REQUEST['filter_page']) ? max(1, intval($_REQUEST['filter_page'])) : 1;
        $filter_range = array();
        $filter_range['start'] = ($filter_page - 1) * $_conf['k_rnum_range'] + 1;
        $filter_range['to'] = $filter_range['start'] + $_conf['k_rnum_range'] - 1;
    }
}

// }}}
// {{{ フィルタ値保存

$cachefile = $_conf['pref_dir'] . '/p2_res_filter.txt';

// フィルタ指定がなければ前回保存を読み込む（フォームのデフォルト値で利用）
if (!isset($GLOBALS['word'])) {

    if (file_exists($cachefile) and $res_filter_cont = file_get_contents($cachefile)) {
        $GLOBALS['res_filter'] = unserialize($res_filter_cont);
    }
    
// フィルタ指定があれば
} else {

    // ボタンが押されていたなら、ファイルに設定を保存
    if (isset($_REQUEST['submit_filter'])) { // !isset($_REQUEST['idpopup'])
        if (empty($GLOBALS['popup_filter'])) {
            FileCtl::make_datafile($cachefile, $_conf['p2_perm']);
            if (false === file_put_contents($cachefile, serialize($GLOBALS['res_filter']), LOCK_EX)) {
                die("Error: cannot write file.");
            }
        }
    }
}

// }}}


//==================================================================
// メイン
//==================================================================

$aThread = new ThreadRead;

// lsのセット
if (!empty($ls)) {
    $aThread->ls = strip_tags(mb_convert_kana($ls, 'a'));
}

// {{{ idxの読み込み

// hostを分解してidxファイルのパスを求める
if (!isset($aThread->keyidx)) {
    $aThread->setThreadPathInfo($host, $bbs, $key);
}

// 板ディレクトリが無ければ作る
// FileCtl::mkdirFor($aThread->keyidx);

$aThread->itaj = P2Util::getItaName($host, $bbs);
if (!$aThread->itaj) { $aThread->itaj = $aThread->bbs; }

// idxファイルがあれば読み込む
if (file_exists($aThread->keyidx)) {
    $lines = file($aThread->keyidx);
    $idx_data = explode('<>', rtrim($lines[0]));
} else {
    $idx_data = array_fill(0, 12, null);
}

$aThread->getThreadInfoFromIdx();

// }}}

/*
// favlist読み込み
if ($favlines = @file($_conf['favlist_file'])) {
    foreach ($favlines as $aline) {
        $aline = rtrim($aline);
        $data = explode('<>', $aline);
        //if ($data[1] == $aThread->key && $data[10] == $aThread->host && $data[11] == $aThread->bbs && $data[6]) {
        if ($data[1] == $aThread->key && $data[10] == $aThread->host && $data[11] == $aThread->bbs) {
            $aThread->fav = true;
            break;
        }
    }
}
*/

// preview >>1
if (!empty($_GET['onlyone'])) {
    $params = array('res_filter' => $res_filter);
    _printPreview1Html($aThread, $params);
    return;
}

// DATのダウンロード
if (empty($_GET['offline'])) {
    $aThread->downloadDat();
}

// DATを読み込み
$aThread->readDat();

// オフライン指定でもログがなければ、改めて強制読み込み
if (empty($aThread->datlines) && !empty($_GET['offline'])) {
    $aThread->downloadDat();
    $aThread->readDat();
}


$aThread->setTitleFromLocal(); // タイトルを取得して設定

// {{{ 表示レス番の範囲を設定する

if ($_conf['ktai']) {
    $before_respointer = $_conf['before_respointer_k'];
} else {
    $before_respointer = $_conf['before_respointer'];
}

// 取得済みなら
if ($aThread->isKitoku()) {
    
    //「新着レスの表示」の時は特別にちょっと前のレスから表示
    if (!empty($_GET['nt'])) {
        if (substr($aThread->ls, -1) == "-") {
            $n = $aThread->ls - $before_respointer;
            if ($n < 1) { $n = 1; }
            $aThread->ls = "$n-";
        }
        
    } elseif (!$aThread->ls) {
        $from_num = $aThread->readnum +1 - $_conf['respointer'] - $before_respointer;
        if ($from_num < 1) {
            $from_num = 1;
        } elseif ($from_num > $aThread->rescount) {
            $from_num = $aThread->rescount - $_conf['respointer'] - $before_respointer;
        }
        $aThread->ls = "$from_num-";
    }
    
    if ($_conf['ktai'] && (!strstr($aThread->ls, "n"))) {
        $aThread->ls = $aThread->ls . "n";
    }

// 未取得なら
} else {
    if (!$aThread->ls) {
        $aThread->ls = $_conf['get_new_res_l'];
    }
}

// フィルタリングの時は、all固定とする
if (isset($GLOBALS['word'])) {
    $aThread->ls = 'all';
}

$aThread->lsToPoint();

// }}}

//===============================================================
// HTMLプリント
//===============================================================
$ptitle_ht = hs($aThread->itaj) . ' / ' . hs($aThread->ttitle_hc);

if ($_conf['ktai']) {

    $GLOBALS['_filter_hits'] = NULL;
    if (isset($GLOBALS['word']) && strlen($GLOBALS['word'])) {
        $GLOBALS['_filter_hits'] = 0;
    }
    
    // ヘッダプリント
	if (UA::isIPhoneGroup()) {
    	require_once P2_IPHONE_LIB_DIR . '/read_header_k.inc.php';
	} else {
		require_once P2_LIB_DIR . '/read_header_k.inc.php';
	}

    if ($aThread->rescount) {
		if (UA::isIPhoneGroup()) {
        	require_once P2_IPHONE_LIB_DIR . '/ShowThreadK.php';
		} else {
			require_once P2_LIB_DIR . '/ShowThreadK.php';
		}
        $aShowThread = new ShowThreadK($aThread);
        $aShowThread->datToHtml();
    }
    
    // フッタプリント
    
    if ($GLOBALS['_filter_hits'] !== NULL) {
        $params = array(
            'prev_st'      => $prev_st,
            'next_st'      => $next_st,
            'filter_range' => $filter_range,
            'filter_page'  => $filter_page,
            'res_filter'   => $res_filter
        );
        $ar = getResetReadNaviFooterK($aThread, $params);
        extract($ar); // $read_navi_previous_btm, $read_navi_next_btm, $read_footer_navi_new_btm
    }
    if (UA::isIPhoneGroup()) {
    	require_once P2_IPHONE_LIB_DIR . '/read_footer_k.inc.php';
	} else {
		require_once P2_LIB_DIR . '/read_footer_k.inc.php';
	}
} else {

    // ヘッダ 表示
    require_once P2_LIB_DIR . '/read_header.inc.php';
    ob_flush(); flush();
    
    //===========================================================
    // ローカルDatを変換してHTML表示
    //===========================================================
    // レスがあり、検索指定があれば
    if (isset($GLOBALS['word']) && $aThread->rescount) {
    
        $all = $aThread->rescount;
        
        $GLOBALS['_filter_hits'] = 0;
        ?>
<script type="text/javascript">
<!--
document.writeln('<p><b id="filerstart"><?php eh($all); ?>レス中 <span id="searching"><?php eh($GLOBALS['_filter_hits']); ?></span>レスがヒット</b></p>');
var searching = document.getElementById('searching');

function filterCount(n){
    if (searching) {
        searching.innerHTML = n;
    }
}
-->
</script>
<?php
    }
    
    $debug && $profiler->enterSection('datToHtml');
    
    if ($aThread->rescount) {
		if (UA::isIPhoneGroup()) {
        	require_once P2_IPHONE_LIB_DIR . '/ShowThreadPc.php';
		} else {
			require_once P2_LIB_DIR . '/ShowThreadPc.php';
		}
        $aShowThread = new ShowThreadPc($aThread);
        
        $res1 = $aShowThread->quoteOne(); // >>1ポップアップ用
        echo $res1['q'];

        $aShowThread->datToHtml();
    } else {
        $res1 = array();
    }
    
    $debug && $profiler->leaveSection('datToHtml');
    
    // フィルタ結果を表示
    if ($word && $aThread->rescount) {
        ?>
<script type="text/javascript">
<!--
var filerstart = document.getElementById('filerstart');
if (filerstart) {
    filerstart.style.backgroundColor = 'yellow';
    filerstart.style.fontWeight = 'bold';
}
-->
</script>
<?php
        if ($GLOBALS['_filter_hits'] > 5) {
            ?><p><b class="filtering"><?php eh($all); ?>レス中 <?php eh($GLOBALS['_filter_hits']); ?>レスがヒット</b></p><?php
        }
    }
    
    // フッタHTML 表示
	if (UA::isIPhoneGroup()) {
    	require_once P2_IPHONE_LIB_DIR . '/read_footer.inc.php';
	} else {
		require_once P2_LIB_DIR . '/read_footer.inc.php';
	}
}

//=================================
// 後処理
//=================================

// {{{ idxの値を設定、記録

if ($aThread->rescount) {

    // 検索の時は、既読数を更新しない
    if (isset($GLOBALS['word']) and strlen($GLOBALS['word']) > 0) {
        $aThread->readnum = $idx_data[5];
    } else {
        $aThread->readnum = min($aThread->rescount, max(0, $idx_data[5], $aThread->resrange_readnum)); 
    }
    $newline = $aThread->readnum + 1; // $newlineは廃止予定だが、後方互換用に念のため

    // key.idxに記録
    P2Util::recKeyIdx($aThread->keyidx, array(
        $aThread->ttitle, $aThread->key, $idx_data[2], $aThread->rescount, '',
        $aThread->readnum, $idx_data[6], $idx_data[7], $idx_data[8], $newline,
        $idx_data[10], $idx_data[11], $aThread->datochiok
    ));
}

// }}}

// 履歴を記録
if ($aThread->rescount) {
    _recRecent(array(
        $aThread->ttitle, $aThread->key, $idx_data[2], '', '', $aThread->readnum, $idx_data[6],
        $idx_data[7], $idx_data[8], $newline, $aThread->host, $aThread->bbs
    ));
}

// NGあぼーんを記録
NgAbornCtl::saveNgAborns();


exit;



//===============================================================================
// 関数 （このファイル内でのみ利用）
//===============================================================================
/**
 * スレッドを指定する
 *
 * @return  array|false
 */
function _detectThread()
{
    global $_conf;
    
    $ls = null;
    $url = null;
    
    // スレURLの直接指定
    if (($url = geti($_GET['nama_url'])) || ($url = geti($_GET['url']))) { 
        $url = trim($url);

        // 2ch or pink http://choco.2ch.net/test/read.cgi/event/1027770702/
        if (preg_match('{http://([^/]+\\.(2ch\\.net|bbspink\\.com|machibbs\\.com|machi\\.to))/test/read\\.cgi/([^/]+)/([0-9]+)/?([^/]+)?}', $url, $matches)) {
            $host = $matches[1];
            $bbs  = $matches[3];
            $key  = $matches[4];
            $ls   = geti($matches[5]);
        
        // c-docomo c-au c-other http://c-au.2ch.net/test/--3!mail=sage/operate/1159594301/519-n
        } elseif (preg_match('{http://((c-docomo|c-au|c-other)\\.2ch\\.net)/test/([^/]+)/([^/]+)/([0-9]+)/?([^/]+)?}', $url, $m)) {
            require_once P2_LIB_DIR . '/BbsMap.php';
            if ($mapped_host = BbsMap::get2chHostByBbs($m[4])) {
                $host = $mapped_host;
                $bbs = $m[4];
                $key = $m[5];
                $ls  = geti($m[6]);
            }
            
        // 2ch or pink 過去ログhtml - http://pc.2ch.net/mac/kako/1015/10153/1015358199.html
        } elseif (preg_match("{(http://([^/]+\.(2ch\.net|bbspink\.com))(/[^/]+)?/([^/]+)/kako/\d+(/\d+)?/(\d+)).html}", $url, $matches)) {
            $host = $matches[2];
            $bbs  = $matches[5];
            $key  = $matches[7];
            $kakolog_uri = $matches[1];
            $_GET['kakolog'] = $kakolog_uri;
            
        // 新まちBBS http://tohoku.machi.to/bbs/read.cgi/touhoku/1179407635/l50
        } elseif (preg_match('{http://([^/]+\\.(2ch\\.net|bbspink\\.com|machibbs\\.com|machi\\.to))/bbs/read\\.cgi/([^/]+)/([0-9]+)/?([^/]+)?}', $url, $matches)) {
            $host = $matches[1];
            $bbs  = $matches[3];
            $key  = $matches[4];
            $ls   = geti($matches[5]);
            
        // （旧）まちBBS http://kanto.machibbs.com/bbs/read.pl?BBS=kana&KEY=1034515019
        } elseif (preg_match('{http://([^/]+\.machibbs\.com|[^/]+\.machi\.to)/bbs/read\.(pl|cgi)\?BBS=([^&]+)&KEY=([0-9]+)(&START=([0-9]+))?(&END=([0-9]+))?[^\"]*}', $url, $matches)) {
            $host = $matches[1];
            $bbs  = $matches[3];
            $key  = $matches[4];
            $ls   = geti($matches[6]) .'-'. geti($matches[8]);
        
        // したらばJBBS（旧まちBBSと類似形式）
        } elseif (preg_match('{http://((jbbs\.livedoor\.jp|jbbs\.livedoor.com|jbbs\.shitaraba\.com)(/[^/]+)?)/bbs/read\.(pl|cgi)\?BBS=([^&]+)&KEY=([0-9]+)(&START=([0-9]+))?(&END=([0-9]+))?[^"]*}', $url, $matches)) {
            $host = $matches[1];
            $bbs  = $matches[5];
            $key  = $matches[6];
            $ls   = geti($matches[8]) .'-'. geti($matches[10]);
            
        // したらばJBBS（2ch類似形式） http://jbbs.livedoor.com/bbs/read.cgi/computer/2999/1081177036/-100 
        } elseif (preg_match('{http://(jbbs\.livedoor\.jp|jbbs\.livedoor.com|jbbs\.shitaraba\.com)/bbs/read\.cgi/(\w+)/(\d+)/(\d+)/((\d+)?-(\d+)?)?[^"]*}', $url, $matches)){
            $host = $matches[1] . '/' . $matches[2];
            $bbs  = $matches[3];
            $key  = $matches[4];
            $ls   = geti($matches[5]);
        
        // 外部板 read.cgi 形式 http://ex14.vip2ch.com/test/read.cgi/operate/1161701941/ 
        } elseif (preg_match('{http://([^/]+)/test/read\\.cgi/(\\w+)/(\\d+)/?([^/]+)?}', $url, $matches)) {
            $host = $matches[1];
            $bbs  = $matches[2];
            $key  = $matches[3];
            $ls   = geti($matches[4]);
        }
    
    } else {
        !empty($_GET['host'])   and $host = $_GET['host'];  // "pc.2ch.net"
        !empty($_POST['host'])  and $host = $_POST['host'];
        isset($_GET['bbs'])     and $bbs  = $_GET['bbs'];   // "php"
        isset($_POST['bbs'])    and $bbs  = $_POST['bbs'];
        isset($_GET['key'])     and $key  = $_GET['key'];   // "1022999539"
        isset($_POST['key'])    and $key  = $_POST['key'];
        !empty($_GET['ls'])     and $ls   = $_GET['ls'];    // "all"
        !empty($_POST['ls'])    and $ls   = $_POST['ls'];
    }
    
    if (empty($host) || !isset($bbs) || !isset($key)) {
        $err = $_conf['read_php'] . ' スレッドの指定が変です。';
        $msg = null;
        if ($url) {
            if (preg_match('/^http/', $url)) {
                $msg = sprintf('<a href="%1$s">%1$s</a>', hs($url));
            } else {
                $msg = hs($url);
            }
        }
        p2die($err, $msg);
    }
    
    if (P2Validate::host($host) || P2Validate::bbs($bbs) || P2Validate::key($key)) {
        p2die('不正な引数です');
    }
    
    return array($host, $bbs, $key, $ls);
}

/**
 * 最近読んだスレに記録する
 *
 * @param   array  $data_ar
 * @return  boolean
 */
function _recRecent($data_ar)
{
    global $_conf;
    
    $data_line = implode('<>', $data_ar);
    $host = $data_ar[10];
    $key  = $data_ar[1];

    // 速報headlineは最近読んだスレに記録しないようにしてみる
    if ($host == 'headline.2ch.net') {
        return true;
    }

    if (false === FileCtl::make_datafile($_conf['rct_file'], $_conf['rct_perm'])) {
        return false;
    }
    
    $lines = file($_conf['rct_file']);
    $newlines = array();
    
    // 最初に重複要素を削除しておく
    if (is_array($lines)) {
        foreach ($lines as $line) {
            $line = rtrim($line);
            $lar = explode('<>', $line);
            if ($lar[1] == $key) { continue; } // keyで重複回避
            if (!$lar[1]) { continue; } // keyのないものは不正データ
            $newlines[] = $line;
        }
    }
    
    // 新規データ追加
    array_unshift($newlines, $data_line);

    while (sizeof($newlines) > $_conf['rct_rec_num']) {
        array_pop($newlines);
    }

    // 書き込む
    if ($newlines) {
        $cont = '';
        foreach ($newlines as $l) {
            $cont .= $l . "\n";
        }

        if (false === FileCtl::filePutRename($_conf['rct_file'], $cont)) {
            $errmsg = sprintf('p2 error: %s(), FileCtl::filePutRename() failed.', __FUNCTION__);
            trigger_error($errmsg, E_USER_WARNING);
            return false;
        }
    }
    
    return true;
}

/**
 * preview >>1
 *
 * @return  void  HTML出力
 */
function _printPreview1Html(&$aThread, $params)
{
    global $_conf, $STYLE, $_login;
    global $_filter_hits;
    
    // $res_filter
    extract($params);
    
    $aThread->ls = '1';
    
    // 必ずしも正確ではないが便宜的に
    if (!isset($aThread->rescount) and !empty($_GET['rc'])) {
        $aThread->rescount = intval($_GET['rc']);
        $aThread->lsToPoint();
    }
    
    $body = $aThread->previewOne();
    $ptitle_ht = hs($aThread->itaj) . ' / ' . hs($aThread->ttitle_hc);

  	if (UA::isIPhoneGroup()) {
        $read_header_inc_php = P2_IPHONE_LIB_DIR . '/read_header_k.inc.php';
        $read_footer_inc_php = P2_IPHONE_LIB_DIR . '/read_footer_k.inc.php';
	} (UA::isK()) {
        $read_header_inc_php = P2_LIB_DIR . '/read_header_k.inc.php';
        $read_footer_inc_php = P2_LIB_DIR . '/read_footer_k.inc.php';
	} else {
        $read_header_inc_php = P2_LIB_DIR . '/read_header.inc.php';
        $read_footer_inc_php = P2_LIB_DIR . '/read_footer.inc.php';
	}
    require_once $read_header_inc_php;

    echo $body;
    
    require_once $read_footer_inc_php;
}
