<?php
//
// Copyright 2010-2016, Julian Catchen <jcatchen@illinois.edu>
//
// This file is part of Stacks.
//
// Stacks is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Stacks is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Stacks.  If not, see <http://www.gnu.org/licenses/>.
//
require_once("header.php");

$database = isset($_GET['db']) ? $_GET['db'] : "";

if (strlen($database) == 0)
    write_database_list($database);
else
    write_database($database);

function write_database_list($database) {
    global $db_user, $db_pass, $db_host, $root_path, $img_path, $mysql_bin;

    $databases = array();

    exec("$mysql_bin --user=$db_user --password=$db_pass -h $db_host -N -B -e \"SHOW DATABASES LIKE '%_radtags'\"", $databases);

    $page_title = "Stacks Databases";
    write_header($page_title);

    echo <<< EOQ
<h4 class="info_head">
  <img id="sources_img" src="$img_path/caret-d.png" />
  <a onclick="toggle_div('sources', '$img_path', 'page_state');">Stacks Databases</a>
</h4>

<a name="results_top"></a>
<table class="db" style="width: 35%;">
<tr>
  <th style="width: 100%;">Database</th>
</tr>

EOQ;

    foreach ($databases as $dbase) {
        print
            "<tr>\n" .
            "  <td><a href=\"$root_path/index.php?db=" . $dbase . "\">$dbase</a></td>\n" .
            "</tr>\n";
    }

    echo <<< EOQ
</table>

EOQ;

    write_footer();
}

function write_database($database) {
    global $root_path, $img_path;

    //
    // Connect to the database
    //
    $db = db_connect($database);

    //
    // Prepare some SQL queries
    //
    $query = 
        "SELECT id, date, description, type FROM batches";
    if (!($db['batch_sth'] = $db['dbh']->prepare($query)))
        write_db_error($db['dbh'], __FILE__, __LINE__);

    $page_title = "RAD-Tag Analyses";
    write_header($page_title);

    echo <<< EOQ
<h4 class="info_head">
  <img id="sources_img" src="$img_path/caret-d.png" />
  <a onclick="toggle_div('sources', '$img_path', 'page_state');">RAD-Tag Samples</a>
</h4>

<a name="results_top"></a>
<table class="db" style="width: 75%;">
<tr>
  <th style="width: 10%;">&nbsp;</th>
  <th style="width: 10%;">&nbsp;</th>
  <th style="width: 10%;">Batch ID</th>
  <th style="width: 10%;">Date</th>
  <th style="width: 10%;">Type</th> 
  <th style="width: 50%;">Description</th>
</tr>

EOQ;

    if (!$db['batch_sth']->execute())
	write_db_error($db['batch_sth'], __FILE__, __LINE__);
    $res = $db['batch_sth']->get_result();

    while ($row = $res->fetch_assoc()) {
        print
            "<tr>\n" .
            "  <td class=\"s\"><a href=\"$root_path/catalog.php?db=$database&id=$row[id]\">Catalog</a></td>\n" .
            "  <td class=\"s\"><a href=\"$root_path/samples.php?db=$database&id=$row[id]\">Samples</a></td>\n" .
            "  <td>" . $row['id'] . "</td>\n" .
            "  <td>" . $row['date'] . "</td>\n" .
            "  <td>" . $row['type'] . "</td>\n" .
            "  <td>" . $row['description'] . "</td>\n" .
            "</tr>\n";
    }

    echo <<< EOQ
</table>

EOQ;

    write_footer();
}
 
?>
