<?php

include('config.inc.php');

$db = new PDO('mysql:host=' . $config['host'] . ';dbname=' . $config['database'], $config['dbuser'], $config['password'], [
    \PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC,
    \PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES 'utf8mb4'"
  ]);
// $db->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE , PDO::FETCH_ASSOC );

$result = array('res' => 0, 'data' => array());
$action = isset($_GET['act']) ? $_GET['act'] : '';

if ($action == 'list')
{
  $lineId = isset($_GET['lineId']) ? intval($_GET['lineId']) : 0;

  $lineCondtion = $lineId ? ' WHERE t3.`id`=' . $lineId . ' AND t3.dy_level_id=9' : ' WHERE t3.dy_level_id=9';
  $sql = "SELECT t1.id, t1.cmdid,t1.`display_name`,t1.`protocol`,t2.`name` AS tower_name,t3.`name` AS line_name, FROM_UNIXTIME(t4.last_heartbeat) AS last_heartbeat,FROM_UNIXTIME(t4.boot_time) AS boot_time";
  $sql .= ",t4.battery_voltage,t4.op_temperature,t4.battery_capacity,t4.floating_charge,t4.total_working_time,t4.working_time,t4.connection_state,FROM_UNIXTIME(t4.ws_update_time) AS ws_update_time, t4.signal_strength_4g";
  $sql .= " FROM terminals AS t1 JOIN towers AS t2 ON t1.tower_id=t2.id JOIN `lines` AS t3 ON t2.line_id=t3.id";
  $sql .= " LEFT JOIN terminal_status AS t4 ON t1.id=t4.term_id " . $lineCondtion . " ORDER BY t2.line_id,t1.cmdid";
  $stmt = $db->query($sql);
  header('SQL: ' . $sql);
  
  $rows = $stmt->fetchAll();
  $result['data'] = $rows;
  $stmt = null;
}
else
{
  $termId = intval($_GET['termid']);
  $stmt = $db->query("SELECT term_id,battery_voltage,op_temperature,battery_capacity,floating_charge,total_working_time,working_time,connection_state,FROM_UNIXTIME(ws_update_time) AS ws_update_time,signal_strength_4g FROM terminal_working_status_history WHERE term_id=" . $termId . " ORDER BY ws_update_time desc LIMIT 100");
  $result['data'] = $stmt->fetchAll();

}

header ('Content-type: application/json; charset=utf-8');
echo json_encode($result, JSON_UNESCAPED_UNICODE);