<?php

Lib::loadClass('RouteBase');

/**
 * TODO: debug to file based on session_id (/tmp/se-debug-{$date("Y-m-d")}-{$login}_{$ip}_{$session_id}.log)
 * TODO: function if loggind enabled, then save to file and print in default page
 *       - DBG::log(string $msg or Exception $e)
 * TODO: better wfs log by fingerprint (User::getLogin() + IP + UserAgent)
 */
class Route_Debug extends RouteBase {

  public function handleAuth() {
		if (!User::logged()) {
      throw new HttpException('Unauthorized', 401);
		}
		if (!User::hasAccess('dbg')) {// User::get('ADM_ADMIN_LEVEL') == 0
      throw new HttpException('Unauthorized - required dbg access', 401);
		}
	}

  public function defaultAction() {
    session_write_close();
    $this->defaultView();
  }

  public function defaultView($flashMsg = '') {
		UI::gora();
		UI::menu();
    try {
      echo UI::h('h1', [], [
        "Debug ",
        UI::h('small', [], "(" . (DBG::isActive() ? "włączony" : "wyłączony") . ") "),
        UI::hButtonPost((DBG::isActive()) ? "Wyłącz debug" : "Włącz debug", [
          'class' => "btn-success btn-xs",
          'data' => [
            '_route' => 'Debug',
            '_task' => DBG::isActive() ? 'deactivateDebug' : 'activateDebug'
          ]
        ])
      ]);
      echo $flashMsg;

      // DBG::nicePrint($_SERVER, '$_SERVER');
      // DBG::nicePrint([
      //   'date' => date("Y-m-d"),
      //   'login' => User::getLogin(),
      //   'ip' => Request::getUserIp(),
      //   'session_id' => session_id()
      // ], 'dbg');

      UI::table([
        'caption' => "Log Files " . UI::h('a', [
          'href' => "index.php?_route=Debug&_task=viewLatestUserLog",
          'class' => "btn btn-xs btn-primary"
        ], "Pokaż ostatni log") . " " . UI::hButtonPost("Usuń wszystkie swoje pliki", [
          'class' => "btn-danger btn-xs",
          'data' => [
            '_route' => 'Debug',
            '_task' => 'rmAllUserLogFiles'
          ]
        ]) . " " . UI::hButtonPost("Usuń stare pliki", [
          'class' => "btn-warning btn-xs",
          'data' => [
            '_route' => 'Debug',
            '_task' => 'rmOldUserLogFiles'
          ]
        ]),
        'cols' => [
          '#',
          'file',
          'user',
          'request date',
          'ip',
          'rm',
        ],
        'rows' => array_map(
          function ($logFile) {
            // /tmp/se-debug-2017-01-25-plabudda-192.168.61.206-4qqrd0.log
            try {
              if ('/tmp/se-debug-' != substr($logFile, 0, strlen('/tmp/se-debug-'))) throw new Exception("Wrong log file name '{$logFile}'");
              if ('.log' != substr($logFile, -4)) throw new Exception("Wrong log file name extension '{$logFile}'");
              $logName = substr($logFile, strlen('/tmp/se-debug-'), -4);
              list($logYear, $logMonth, $logDay, $logUser, $logIP, $logSessId, $logReqDate) = explode('-', $logName);

              return [
                '#' => UI::h('a', [
                  'href' => "index.php?_route=Debug&_task=viewLog&name={$logName}"
                ], "Pokaż"),
                'request date' => ($logReqDate) ? date("Y-m-d H:i:s", $logReqDate) : '',// 1485775975
                'file' => $logFile,
                'user' => $logUser,
                'ip' => $logIP,
                'rm' => UI::hButtonPost("Usuń", [
                  'class' => 'btn-default btn-xs',
                  'data' => [
                    '_route' => 'Debug',
                    '_task' => 'rmLogFile',
                    'logName' => $logName
                  ]
                ]),
              ];
            } catch (Exception $e) {
              return [
                '#' => '',
                'file' => $e->getMessage(),
              ];
            }
          }
          , glob("/tmp/se-debug-*.log", GLOB_NOSORT)
        )
      ]);

      echo UI::hButtonPost("Test dbg with sleep", [
        'class' => "btn-warning btn-xs",
        'data' => [
          '_route' => 'Debug',
          '_task' => 'testDebugWithSleep'
        ]
      ]);

    } catch (Exception $e) {
      UI::alert('danger', $e->getMessage());
      DBG::log($e);
    }
    UI::dol();
  }

  public function viewLatestUserLogAction() {
    session_write_close();
    UI::gora();
    // UI::menu();
    echo UI::h('div', ['class'=>'container'], [
      UI::h('a', ['href'=>'index.php?_route=DEBUG'], "wróć")
    ]);
    try {
      $filerUser = V::get('user', '', $_REQUEST);// TODO: show another user debug
      $logName = V::get('name', '', $_REQUEST);
      if (!$logName) {
        $today = date("Y-m-d");
        $cmd = "ls -1rt /tmp/se-debug-{$today}-*.log | tail -5";
        V::exec($cmd, $out, $ret);
        if (empty($out)) {
          UI::alert('warning', "No logs today. Searching previous...");
          $cmd = "ls -1rt /tmp/se-debug-*.log | tail -5";
          V::exec($cmd, $out, $ret);
          if (empty($out)) throw new Exception("Log files not found");
        }
        echo UI::h('div', ['class'=>"alert alert-info"], [
          "Last log files",
          " (return code: {$ret})",
          "<br>cmd: <code>{$cmd}</code>",
          UI::h('pre', [], implode("\n", $out))
        ]);
        $logName = end($out);// /tmp/se-debug-2017-01-30-plabudda-192.168.61.206-4qqrd0-1485775975.log
        {
          if ('/tmp/se-debug-' != substr($logName, 0, strlen('/tmp/se-debug-'))) throw new Exception("Wrong log name prefix");
          if ('.log' != substr($logName, -1 * strlen('.log'))) throw new Exception("Wrong log name suffix");
          $logName = substr($logName, strlen('/tmp/se-debug-'), -1 * strlen('.log'));
        }
      }
      $this->printLogFileView($logName);
    } catch (Exception $e) {
      UI::alert('danger', $e->getMessage());
    }
    UI::dol();
  }
  public function viewLogAction() {
    session_write_close();
    UI::gora();
    // UI::menu();
    echo UI::h('div', ['class'=>'container'], [
      UI::h('a', ['href'=>'index.php?_route=DEBUG'], "wróć")
    ]);
    try {
      $logName = V::get('name', '', $_REQUEST);
      $this->printLogFileView($logName);
    } catch (Exception $e) {
      UI::alert('danger', $e->getMessage());
    }
    UI::dol();
  }
  public function printLogFileView($logName) {
    if (empty($logName)) throw new Exception("Missing name");
    $logName = $this->validateParamLogName($logName);
    $logPath = "/tmp/se-debug-{$logName}.log";
    if (!file_exists($logPath)) throw new Exception("Log file not exists");
    $content = file_get_contents($logPath);
    UI::table([
      'cols' => [
        'date',
        'type',
        'msg',
        'log',
        'trace',
      ],
      'cols_help' => [
        'trace' => "Cick to show trace"
      ],
      'rows' => array_map(
        function ($line) {
          if (empty($line)) return [];
          $dbg = @json_decode($line, $assoc = true);
          if (null == $dbg && 0 !== json_last_error()) {
            return [
              'type' => 'decode json error',
              'msg' => "Error Processing Request - Parse json error: " . json_last_error()
            ];
          }
          return [
            'date' => '<nobr>' . $dbg['date'] . '</nobr>',
            'type' => $dbg['type'],
            'msg' => $dbg['msg'],
            // 'log' => (!empty($dbg['log'])) ? json_encode($dbg['log']) : '',
            'log' => UI::h('div', [
                'title' => htmlspecialchars( ('sql' == $dbg['type'] && is_string($dbg['log'])) ? $dbg['log'] : var_export($dbg['log'], true) ),
                'onClick' => "return p5DBG__showLogTrace(this, event)",
                'style' => "cursor:pointer"
              ], substr(htmlspecialchars(json_encode($dbg['log'])), 0, 100) . ' ...'
            ),
            'trace' => UI::h('div', [
                'title' => htmlspecialchars($dbg['trace']),
                'onClick' => "return p5DBG__showLogTrace(this, event)",
                'style' => "cursor:pointer"
              ], ('Exception' == $dbg['type'])
                ? "Code: {$dbg['log']['code']}, File: {$dbg['log']['file']}"
                : '...'
            ),
          ];
        },
        explode("\n", $content)
      ),
    ]);
    echo UI::h('script', [], "
      function p5DBG__showLogTrace(n, e) {
        if (!e) return false;
        if (e.target && 'PRE' == e.target.tagName) return false;
        if (n.lastChild.tagName == 'PRE') {
          if ('none' == n.lastChild.style.display) {
            n.lastChild.style.display = 'block'
          } else {
            n.lastChild.style.display = 'none'
          }
        } else {
          var pre = document.createElement('pre')
          pre.appendChild( document.createTextNode(n.title) )
          n.appendChild(pre)
        }
      }
    ");
  }

  public function activateDebugAction() {
    DBG::activate();
    $this->defaultView();
  }

  public function deactivateDebugAction() {
    DBG::deactivate();
    $this->defaultView();
  }

  public function testDebugWithSleepAction() {
    session_write_close();
    UI::gora();
    flush();
    for ($i = 0; $i < 10; $i++) {
      echo "TEST {$i}<br>";
      DBG::log("TEST {$i}");
      flush();
      sleep(2);
    }
    echo "DONE";
    DBG::log("DONE");
    UI::dol();
  }

  public function validateParamLogName($logName) {
    if (empty($logName)) throw new Exception("Missing log file name");
    if (!preg_match('/^[\-\.a-zA-Z0-9]+$/', $logName)) throw new Exception("Wrong log file name format");
    return $logName;
  }

  public function rmAllLogFilesAction() {
    session_write_close();
    try {
      $today = date("Y-m-d");
      $cmd = "rm -v /tmp/se-debug-*.log 2>&1";
      V::exec($cmd, $out, $ret);
      $this->defaultView(UI::h('div', ['class'=>"alert alert-success alert-dismissible"], [
        '<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>',
        (0 === $ret) ? "All Log Files Removed" : "Error?",
        " (return code: {$ret})",
        "<br>cmd: <code>{$cmd}</code>",
        UI::h('pre', [], implode("\n", $out))
      ]));
    } catch (AlertSuccessException $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-success"], $e->getMessage()));
    } catch (AlertWarningException $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-warning"], $e->getMessage()));
    } catch (Exception $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-danger"], $e->getMessage()));
    }
  }
  public function rmOldLogFilesAction() {
    session_write_close();
    try {
      $today = date("Y-m-d");
      $cmd = "ls -1 /tmp/se-debug-*.log | grep -v '/tmp/se-debug-{$today}-' | xargs rm -v 2>&1";
      V::exec($cmd, $out, $ret);
      $this->defaultView(UI::h('div', ['class'=>"alert alert-success alert-dismissible"], [
        '<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>',
        (0 === $ret) ? "Old Log Files Removed" : "Error?",
        " (return code: {$ret})",
        "<br>cmd: <code>{$cmd}</code>",
        UI::h('pre', [], implode("\n", $out))
      ]));
    } catch (AlertSuccessException $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-success"], $e->getMessage()));
    } catch (AlertWarningException $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-warning"], $e->getMessage()));
    } catch (Exception $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-danger"], $e->getMessage()));
    }
  }
  public function rmAllUserLogFilesAction() {
    session_write_close();
    try {
      $userLogin = User::getLogin();
      $today = date("Y-m-d");
      $cmd = "rm -v /tmp/se-debug-*-{$userLogin}-*.log 2>&1";
      V::exec($cmd, $out, $ret);
      $this->defaultView(UI::h('div', ['class'=>"alert alert-success alert-dismissible"], [
        '<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>',
        (0 === $ret) ? "All Log Files Removed" : "Error?",
        " (return code: {$ret})",
        "<br>cmd: <code>{$cmd}</code>",
        UI::h('pre', [], implode("\n", $out))
      ]));
    } catch (AlertSuccessException $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-success"], $e->getMessage()));
    } catch (AlertWarningException $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-warning"], $e->getMessage()));
    } catch (Exception $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-danger"], $e->getMessage()));
    }
  }
  public function rmOldUserLogFilesAction() {
    session_write_close();
    try {
      $userLogin = User::getLogin();
      $today = date("Y-m-d");
      $cmd = "ls -1 /tmp/se-debug-*-{$userLogin}-*.log | grep -v '/tmp/se-debug-{$today}-' | xargs rm -v 2>&1";
      V::exec($cmd, $out, $ret);
      $this->defaultView(UI::h('div', ['class'=>"alert alert-success alert-dismissible"], [
        '<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>',
        (0 === $ret) ? "Old Log Files Removed" : "Error?",
        " (return code: {$ret})",
        "<br>cmd: <code>{$cmd}</code>",
        UI::h('pre', [], implode("\n", $out))
      ]));
    } catch (AlertSuccessException $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-success"], $e->getMessage()));
    } catch (AlertWarningException $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-warning"], $e->getMessage()));
    } catch (Exception $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-danger"], $e->getMessage()));
    }
  }
  public function rmLogFileAction() {
    session_write_close();
    try {
      $logName = $this->validateParamLogName(V::get('logName', '', $_REQUEST));
      $logPath = "/tmp/se-debug-{$logName}.log";
      if (!file_exists($logPath)) throw new AlertWarningException("Log file not exists");
      unlink($logPath);
      throw new AlertSuccessException("File Removed");
    } catch (AlertSuccessException $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-success"], $e->getMessage()));
    } catch (AlertWarningException $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-warning"], $e->getMessage()));
    } catch (Exception $e) {
      $this->defaultView(UI::h('div', ['class'=>"alert alert-danger"], $e->getMessage()));
    }
  }

}