<?php
class Xdownload extends MY_Controller
{
  function __construct()
  {
    parent::__construct();
  }
  function log()
  {
    $pwd = $this->db->password;

    $temp_file = tempnam(sys_get_temp_dir(), '-log-db') . ".sql";
    if (file_exists($temp_file)) {
      unlink($temp_file);
    }
    $cmd = "/usr/bin/mysqldump --triggers --routines --no-data -u root -p$pwd cpone_log > $temp_file";
    exec($cmd);
    if (file_exists($temp_file)) {
      return $temp_file;
    }
    return false;
  }
  /*
  create table xdl_numbering (
    xdlNumberingID int not null auto_increment primary key,
    xdlNumberingS_NumberingID int,
    xdlNumberingType varchar(12),
    xdlNumberingPrefix varchar(50),
    xdlNumberingIsActive varchar(1) default 'Y',
    xdlNumberingCreated datetime default current_timestamp(),
    xdlNumberingLastUpdated datetime default current_timestamp()
      on update current_timestamp(),
    key(xdlNumberingIsActive),
    key(xdl_numberingType),
    key(xdlNumberingPrefix)
  );
  create table xdl_log(
    xdlLogID int not null auto_increment primary key,
    xdlLogMgmMcuID int,
    xdlLogIsActive varchar(1) default 'Y',
    xdlLogStatus varchar(1) default 'N' comment 'N:New, P:Process, D:Done',
    xdlLogCreated datetime current_timestamp(),
    xdlLogLastUpdated datetime current_timestamp()
      on update current_timestamp(),
    key(xdlLogIsActive),
    key(xdlLogStatus)
  );

  create table xdl_table(
     xdlTableID int not null auto_increment primary key,
    xdlTableName varchar(200),
    xdlTableStruOnly varchar(1) default 'N',
    xdlTableIsActive varchar(1) default 'Y',
    xdlTableCreated datetime default current_timestamp(),
    xdlTableLastUpdated datetime default current_timestamp()
      on update current_timestamp()
  );
  */
  function table()
  {
    $pwd = $this->db->password;
    $sql = "select * from xdl_table where xdlTableIsActive ='Y'";
    $qry = $this->db->query($sql);
    if (!$qry) {
      return [false, $this->db->error()["message"]];
    }

    $temp_file = tempnam(sys_get_temp_dir(), "cpone-stru") . ".sql";
    if (file_exists($temp_file)) {
      unlink($temp_file);
    }
    $rows = $qry->result_array();
    if (count($rows) == 0) {
      unlink($temp_file);
      return [false, "Download Tables not defined yet"];
    }
    foreach ($rows as $r) {
      $tbl = $r["xdlTableName"];
      $isStruOnly = $r["xdlTableStruOnly"] == "Y";
      if ($isStruOnly) {
        $cmd = "/usr/bin/mysqldump --triggers --no-data  -u root -p$pwd cpone $tbl >> $temp_file";
      } else {
        $cmd = "/usr/bin/mysqldump --triggers  -u root -p$pwd cpone $tbl >> $temp_file";
      }
      exec($cmd);
    }
    return [$temp_file, ""];
  }
  function routines()
  {
    $pwd = $this->db->password;

    $temp_file = tempnam(sys_get_temp_dir(), '-routines') . ".sql";
    if (file_exists($temp_file)) {
      unlink($temp_file);
    }
    $cmd = "/usr/bin/mysqldump --triggers --routines --no-data -u root -p$pwd --no-create-db --no-create-info cpone > $temp_file";
    exec($cmd);
    if (file_exists($temp_file)) {
      return $temp_file;
    }
    return false;
  }
  function compress($mcuID, $log_file, $table_file, $routines_file)
  {
    $dt = date("Ymd");
    $temp_file = tempnam(sys_get_temp_dir(), "xdl_{$mcuID}_{$dt}") . ".zip";
    if (file_exists($temp_file)) {
      unlink($temp_file);
    }

    $cmd = "/usr/bin/zip $temp_file $log_file $table_file $routines_file";
    exec($cmd);
    if (file_exists($temp_file)) {
      return $temp_file;
    }
    return false;
  }
  function check_and_update($mcuID)
  {
    $sql = "select * from xdl_log where xdlLogMgmMcuID = ?
    and xdlLogIsActive = 'Y'";
    $qry = $this->db->query($sql, [$mcuID]);
    if (!$qry) {
      echo json_encode(["status" => "ERR", "message" => $this->db->error()["message"]]);
      exit;
    }
    $rows = $qry->result_array();
    if (count($rows) > 0) {
      $dt = $rows[0]["xdlLogCreated"];
      if ($rows[0]["xdlLogStatus"] == "P") {
        echo json_encode(["status" => "ERR", "message" => "Proses Download Mcu sedang berlangsung @ $dt"]);
        exit;
      }
      if ($rows[0]["xdlLogStatus"] == "D") {
        echo json_encode(["status" => "ERR", "message" => "Proses Download Mcu sudah selesai @ $dt"]);
        exit;
      }
    }
    $sql = "select group_concat( concat(S_NumberingType,':',S_NumberingPrefix))
    as duplicate
    from s_numbering
    join xdl_numbering on S_NumberingIsActive = 'Y'
    and S_NumberingType = xdlNumberingType 
    and S_NumberingPrefix = xdlNumberingPrefix";

    $qry = $this->db->query($sql, [$mcuID]);
    if (!$qry) {
      echo json_encode(["status" => "ERR", "message" => $this->db->error()["message"]]);
      exit;
    }
    $rows = $qry->result_array();
    $msg = "";
    if (count($rows) > O) {
      $msg = $rows[0]["duplicate"];
    }
    if ($msg != "") {
      echo json_encode(["status" => "ERR", "message" => "Setting Numbering Offline ada yang duplicate:\n$msg"]);
      exit;
    }
    $sql = "insert into xdl_log(xdlLogMgmMcuID,xdlLogStatus) values(?,'P')";
    $qry = $this->db->query($sql, [$mcuID]);
    if (!$qry) {
      echo json_encode(["status" => "ERR", "message" => $this->db->error()["message"]]);
      exit;
    }
    return $this->db->insert_id();
  }
  function update_log($logID, $status)
  {
    $sql = "update xdl_log set xdlLogStatus = ? where xdlLogID = ?";
    $qry = $this->db->query($sql, [$status, $logID]);
    if (!$qry) {
      echo json_encode(["status" => "ERR", "message" => $this->db->error()["message"]]);
      exit;
    }
  }
  function file($mcuID)
  {
    header("Content-type: application/zip");
    $tgt_file = "/tmp-offline/offline-{$mcuID}-data.zip";
    $tgt_name = "offline-{$mcuID}-data.zip";
    header("Content-Disposition: inline; filename=\"$tgt_name\"");
    echo file_get_contents($tgt_file);
  }
  function go($mcuID)
  {
    header("Content-type: application/json");
    $logID = $this->check_and_update($mcuID);
    $log_file = $this->log();
    if ($log_file === false) {
      $this->update_log($logID, "E");
      echo json_encode(["status" => "ERR", "message" => "Error export cpone_log structure"]);
      exit;
    }
    list($table_file, $msg) = $this->table();
    if ($table_file === false) {
      unlink($log_file);
      $this->update_log($logID, "E");
      echo json_encode(["status" => "ERR", "message" => "Error export cpone :\n$msg"]);
      exit;
    }
    $routines_file = $this->routines();
    if ($routines_file === false) {
      unlink($log_file);
      unlink($table_file);
      $this->update_log($logID, "E");
      echo json_encode(["status" => "ERR", "message" => "Error export cpone routines and triggers"]);
      exit;
    }
    $zip_file = $this->compress($mcuID, $log_file, $table_file, $routines_file);

    unlink($log_file);
    unlink($table_file);
    unlink($routines_file);
    $this->update_log($logID, "D");
    $tgt_file = "/tmp-offline/offline-{$mcuID}-data.zip";
    $status = rename($zip_file, $tgt_file);
    if ($status == false) {
      echo json_encode([
        "status" => "ERR",
        "message" => "Permission when moving file to $tgt_file"
      ]);
      unlink($zip_file);
      exit;
    }
    echo json_encode([
      "status" => "OK",
      "file_name" => "offline-{$mcuID}-data.zip",
      "url" => "/one-api/tools/xdownload/file/$mcuID"
    ]);
    unlink($zip_file);
  }
}