<?php

// Function
include('includes/function.php');

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Easy set variables
 */

/* Array of database columns which should be read and sent back to DataTables. Use a space where
 * you want to insert a non-database field (for example a counter or static image)
 */
$aColumns = array(
    'id',
    "(SELECT name FROM cgroups WHERE id=(SELECT cgroup_id FROM customer_cgroups WHERE customer_id=customers.id LIMIT 1))",
    'customer_code',
    'name',
    'sex',
    'address');

/* Indexed column (used for fast and accurate table cardinality) */
$sIndexColumn = "id";

/* DB table to use */
$sTable = "customers";

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * If you just want to use the basic configuration for DataTables with PHP server-side, there is
 * no need to edit below this line
 */

/*
 * Paging
 */
$sLimit = "";
if (isset($_GET['iDisplayStart']) && $_GET['iDisplayLength'] != '-1') {
    $sLimit = "LIMIT " . mysql_real_escape_string($_GET['iDisplayStart']) . ", " .
            mysql_real_escape_string($_GET['iDisplayLength']);
}


/*
 * Ordering
 */
if (isset($_GET['iSortCol_0'])) {
    $sOrder = "ORDER BY  ";
    for ($i = 0; $i < intval($_GET['iSortingCols']); $i++) {
        if ($_GET['bSortable_' . intval($_GET['iSortCol_' . $i])] == "true") {
            $sOrder .= $aColumns[intval($_GET['iSortCol_' . $i])] . "
                                " . mysql_real_escape_string($_GET['sSortDir_' . $i]) . ", ";
        }
    }

    $sOrder = substr_replace($sOrder, "", -2);
    if ($sOrder == "ORDER BY") {
        $sOrder = "";
    }
}


/*
 * Filtering
 * NOTE this does not match the built-in DataTables filtering which does it
 * word by word on any field. It's possible to do here, but concerned about efficiency
 * on very large tables, and MySQL's regex functionality is very limited
 */
$sWhere = "";
if ($_GET['sSearch'] != "") {
    $sWhere = "WHERE (";
    for ($i = 0; $i < count($aColumns); $i++) {
        $sWhere .= $aColumns[$i] . " LIKE '%" . mysql_real_escape_string($_GET['sSearch']) . "%' OR ";
    }
    $sWhere = substr_replace($sWhere, "", -3);
    $sWhere .= ')';
}

/* Individual column filtering */
for ($i = 0; $i < count($aColumns)-1; $i++) {
    if ($_GET['bSearchable_' . $i] == "true" && $_GET['sSearch_' . $i] != '') {
        if ($sWhere == "") {
            $sWhere = "WHERE ";
        } else {
            $sWhere .= " AND ";
        }
        $sWhere .= $aColumns[$i] . " LIKE '%" . mysql_real_escape_string($_GET['sSearch_' . $i]) . "%' ";
    }
}

/* Customize condition */
$condition = "is_active=1";
if ($data[0] != '') {
    $condition != '' ? $condition .= ' AND ' : '';
    $condition .= 'province_id=' . $data[0];
}
if ($data[1] != '') {
    $condition != '' ? $condition .= ' AND ' : '';
    $condition .= 'district_id=' . $data[1];
}
if ($data[2] != '') {
    $condition != '' ? $condition .= ' AND ' : '';
    $condition .= 'commune_id=' . $data[2];
}
if ($data[3] != '') {
    $condition != '' ? $condition .= ' AND ' : '';
    $condition .= 'village_id=' . $data[3];
}
if ($data[4] != '') {
    $condition != '' ? $condition .= ' AND ' : '';
    $condition .= 'id IN (SELECT customer_id FROM customer_cgroups WHERE cgroup_id=' . $data[4] . ')';
}
if ($data[5] != '') {
    $condition != '' ? $condition .= ' AND ' : '';
    $condition .= 'created_by=' . $data[5];
}
if ($data[6] != '') {
    $condition != '' ? $condition .= ' AND ' : '';
    $condition .= 'id IN (SELECT company_id FROM customer_companies WHERE company_id = '.$data[6].')';
} else {
    $condition != '' ? $condition .= ' AND ' : '';
    $condition .= 'id IN (SELECT company_id FROM customer_companies WHERE company_id IN (SELECT company_id FROM user_companies WHERE user_id = '.$user['User']['id'].'))';
}
if (!eregi("WHERE", $sWhere)) {
    $sWhere .= "WHERE " . $condition;
} else {
    $sWhere .= "AND " . $condition;
}

/*
 * SQL queries
 * Get data to display
 */
$sQuery = "
        SELECT SQL_CALC_FOUND_ROWS " . str_replace(" , ", " ", implode(", ", $aColumns)) . "
        FROM   $sTable
        $sWhere
        $sOrder
        $sLimit
";
$rResult = mysql_query($sQuery) or die(mysql_error());

/* Data set length after filtering */
$sQuery = "
        SELECT FOUND_ROWS()
";
$rResultFilterTotal = mysql_query($sQuery) or die(mysql_error());
$aResultFilterTotal = mysql_fetch_array($rResultFilterTotal);
$iFilteredTotal = $aResultFilterTotal[0];

/* Total data set length */
$sQuery = "
        SELECT COUNT(" . $sIndexColumn . ")
        FROM   $sTable
";
$rResultTotal = mysql_query($sQuery) or die(mysql_error());
$aResultTotal = mysql_fetch_array($rResultTotal);
$iTotal = $aResultTotal[0];


/*
 * Output
 */
$output = array(
    "sEcho" => intval($_GET['sEcho']),
    "iTotalRecords" => $iTotal,
    "iTotalDisplayRecords" => $iFilteredTotal,
    "aaData" => array()
);

$index = 0;
$tmpId = '$';
$tmpName = '';
while ($aRow = mysql_fetch_array($rResult)) {
    if ($index != 0 && $aRow[1] != $tmpId) {
        $index = 0;
    }
    $row = array();
    for ($i = 0; $i < count($aColumns); $i++) {
        if ($i == 0) {
            /* Special output formatting */
            if ($aRow[1] == $tmpId) {
                $row[] = '<b>' . ++$index . '</b>';
            } else {
                if(!is_null($aRow[1])){
                    $tmpName = $aRow[1];
                }else{
                    $tmpName = 'No Rep';
                }
                $row[] = '<b class="colspanParent">' . $tmpName . '</b>';
                for ($j = 0; $j < count($aColumns) - 1; $j++) {
                    $row[] = '';
                }
                $output['aaData'][] = $row;
                $row = array();
                $row[] = '<b>' . ++$index . '</b>';
            }
        } else if ($i == 1) {

        } else if ($aColumns[$i] != ' ') {
            /* General output */
            $row[] = $aRow[$i];
        }
    }
    $output['aaData'][] = $row;
    $tmpId = $aRow[1];
}

echo json_encode($output);
?>