<?php
    $query = $_GET['query'];
    // We handle only the first argument so far
    $query = ltrim ($query);

    $scope = $_GET['scope'];
    if ($scope == NULL)
        $scope = "any";
    $scope = ltrim ($scope);
    if ($scope == "")
        $scope = "any";
    $querystr = htmlspecialchars($query, ENT_QUOTES, 'UTF-8');
?>

<form action="<?php echo htmlspecialchars($_SERVER['PHP_SELF'], ENT_QUOTES, 'UTF-8'), "?query=", rawurlencode($query) ?>"
      enctype="application/x-www-form-urlencoded" method="get">
  <input name="query" type="text" size="50" value="<?php echo $querystr ?>"/>
  <select name="scope">
    <option value="any">Search All</option>
    <option value="API" <?php if ($scope == 'API') print "selected='selected'"?>>Only the APIs</option>
    <option value="DOCS" <?php if ($scope == 'DOCS') print "selected='selected'"?>>Only the Documentation</option>
    <option value="LISTS" <?php if ($scope == 'LISTS') print "selected='selected'"?>>Only the lists archives</option>
  </select>
  <input name="submit" type="submit" value="Search ..."/>
</form>

<?php
    function logQueryWord($word) {
        $result = mysql_query ("SELECT ID,Count FROM Queries WHERE Value='$word'");
        if ($result) {
            $i = mysql_num_rows($result);
            if ($i == 0) {
                mysql_free_result($result);
                mysql_query ("INSERT INTO Queries (Value,Count) VALUES ('$word',1)");
            } else {
                $id = mysql_result($result, 0, 0);
                $count = mysql_result($result, 0, 1);
                $count ++;
                mysql_query ("UPDATE Queries SET Count=$count WHERE ID=$id");
            }
        } else {
            mysql_query ("INSERT INTO Queries (Value,Count) VALUES ('$word',1)");
        }
    }
    function queryWord($word) {
        $result = NULL;
        $j = 0;
        if ($word) {
            $result = mysql_query ("SELECT words.relevance, symbols.name, symbols.type, symbols.module, symbols.descr FROM words, symbols WHERE LCASE(words.name) LIKE LCASE('$word') and words.symbol = symbols.name ORDER BY words.relevance DESC LIMIT 75");
            if ($result) {
                $j = mysql_num_rows($result);
                if ($j == 0)
                    mysql_free_result($result);
            }
            logQueryWord($word);
        }
        return array($result, $j);
    }
    function queryHTMLWord($word) {
        $result = NULL;
        $j = 0;
        if ($word) {
            $result = mysql_query ("SELECT relevance, name, id, resource, section FROM wordsHTML WHERE LCASE(name) LIKE LCASE('$word') ORDER BY relevance DESC LIMIT 75");
            if ($result) {
                $j = mysql_num_rows($result);
                if ($j == 0)
                    mysql_free_result($result);
            }
            logQueryWord($word);
        }
        return array($result, $j);
    }
    function queryArchiveWord($word) {
        $result = NULL;
        $j = 0;
        if ($word) {
            $result = mysql_query ("SELECT wordsArchive.relevance, wordsArchive.name, 'libvir-list', archives.resource, archives.title FROM wordsArchive, archives WHERE LCASE(wordsArchive.name) LIKE LCASE('$word') and wordsArchive.ID = archives.ID ORDER BY relevance DESC LIMIT 75");
            if ($result) {
                $j = mysql_num_rows($result);
                if ($j == 0)
                    mysql_free_result($result);
            }
            logQueryWord($word);
        }
        return array($result, $j);
    }
    function resSort ($a, $b) {
        list($ra,$ta,$ma,$na,$da) = $a;
        list($rb,$tb,$mb,$nb,$db) = $b;
        if ($ra == $rb) return 0;
        return ($ra > $rb) ? -1 : 1;
    }
    if (($query) && (strlen($query) <= 50)) {
        $link = mysql_connect ("localhost", "nobody");
        if (!$link) {
            echo "<p> Could not connect to the database: ", mysql_error();
        } else {
            mysql_select_db("libvir", $link);
            $list = explode (" ", $query);
            $results = array();
            $number = 0;
            for ($number = 0;$number < count($list);$number++) {

                $word = $list[$number];
                if (($scope == 'any') || ($scope == 'API')) {
                    list($result, $j) = queryWord($word);
                    if ($j > 0) {
                        for ($i = 0; $i < $j; $i++) {
                            $relevance = mysql_result($result, $i, 0);
                            $name = mysql_result($result, $i, 1);
                            $type = mysql_result($result, $i, 2);
                            $module = mysql_result($result, $i, 3);
                            $desc = mysql_result($result, $i, 4);
                            if (array_key_exists($name, $results)) {
                                list($r,$t,$m,$d,$w,$u) = $results[$name];
                                $results[$name] = array(($r + $relevance) * 2,
                                                        $t,$m,$d,$w,$u);
                            } else {
                                $id = $name;
                                $m = strtolower($module);
                                $url = "html/libvirt-$module.html#$id";
                                $results[$name] = array($relevance,$type,
                                                $module, $desc, $name, $url);
                            }
                        }
                        mysql_free_result($result);
                    }
                }
                if (($scope == 'any') || ($scope == 'DOCS')) {
                    list($result, $k) = queryHTMLWord($word);
                    if ($k > 0) {
                        for ($i = 0; $i < $k; $i++) {
                            $relevance = mysql_result($result, $i, 0);
                            $name = mysql_result($result, $i, 1);
                            $id = mysql_result($result, $i, 2);
                            $module = mysql_result($result, $i, 3);
                            $desc = mysql_result($result, $i, 4);
                            $url = $module;
                            if ($id != "") {
                                $url = $url + "#$id";
                            }
                            $results["$name _html_ $number _ $i"] =
                                          array($relevance, "XML docs",
                                                $module, $desc, $name, $url);
                        }
                        mysql_free_result($result);
                    }
                }
                if (($scope == 'any') || ($scope == 'LISTS')) {
                    list($result, $j) = queryArchiveWord($word);
                    if ($j > 0) {
                        for ($i = 0; $i < $j; $i++) {
                            $relevance = mysql_result($result, $i, 0);
                            $name = mysql_result($result, $i, 1);
                            $type = mysql_result($result, $i, 2);
                            $url = mysql_result($result, $i, 3);
                            $desc = mysql_result($result, $i, 4);
                            if (array_key_exists($url, $results)) {
                                list($r,$t,$m,$d,$w,$u) = $results[$url];
                                $results[$name] = array(($r + $relevance) * 2,
                                                        $t,$m,$d,$w,$u);
                            } else {
                                $id = $name;
                                $m = strtolower($module);
                                $u = str_replace(
                        "http://www.redhat.com/archives/libvir-list/", "", $url);
                                $results[$url] = array($relevance,$type,
                                                $u, $desc, $name, $url);
                            }
                        }
                        mysql_free_result($result);
                    }
                }
            }
            if ((count($results) == 0) && (count($list) == 1)) {
                $word = $list[0];
                if (($scope == 'any') || ($scope == 'XMLAPI')) {
                    list($result, $j) = queryWord("vir$word");
                    if ($j > 0) {
                        for ($i = 0; $i < $j; $i++) {
                            $relevance = mysql_result($result, $i, 0);
                            $name = mysql_result($result, $i, 1);
                            $type = mysql_result($result, $i, 2);
                            $module = mysql_result($result, $i, 3);
                            $desc = mysql_result($result, $i, 4);
                            if (array_key_exists($name, $results)) {
                                list($r,$t,$m,$d,$w,$u) = $results[$name];
                                $results[$name] = array(($r + $relevance) * 2,
                                                        $t,$m,$d,$w,$u);
                            } else {
                                $id = $name;
                                $m = strtolower($module);
                                $url = "html/libvirt-$module.html#$id";
                                $results[$name] = array($relevance,$type,
                                                $module, $desc, $name, $url);
                            }
                        }
                        mysql_free_result($result);
                    }
                }
            }
            mysql_close($link);
            $nb = count($results);
            echo "<h3 align='center'>Found $nb results for query $querystr</h3>\n";
            usort($results, "resSort");

            if ($nb > 0) {
                printf("<table><tbody>\n");
                printf("<tr><td>Quality</td><td>Symbol</td><td>Type</td><td>module</td><td>Description</td></tr>\n");
                $i = 0;
                while (list ($name, $val) = each ($results)) {
                    list($r,$t,$m,$d,$s,$u) = $val;
                    $m = str_replace("<", "&lt;", $m);
                    $s = str_replace("<", "&lt;", $s);
                    $d = str_replace("<", "&lt;", $d);
                    echo "<tr><td>$r</td><td><a href='$u'>$s</a></td><td>$t</td><td>$m</td><td>$d</td></tr>";
                    $i = $i + 1;
                    if ($i > 75)
                        break;
                }
                printf("</tbody></table>\n");
            }
        }
    }
?>
