<?php namespace pineapple;
putenv('LD_LIBRARY_PATH='.getenv('LD_LIBRARY_PATH').':/sd/lib:/sd/usr/lib');
putenv('PATH='.getenv('PATH').':/sd/usr/bin:/sd/usr/sbin');

class DNSMasqSpoof extends Module
{
	public function route()
    {
        switch ($this->request->action) {
						case 'refreshInfo':
								$this->refreshInfo();
								break;
						case 'refreshOutput':
                $this->refreshOutput();
                break;
            case 'refreshStatus':
                $this->refreshStatus();
                break;
            case 'toggleDNSMasqSpoof':
                $this->toggleDNSMasqSpoof();
                break;
            case 'handleDependencies':
                $this->handleDependencies();
                break;
            case 'handleDependenciesStatus':
                $this->handleDependenciesStatus();
                break;
						case 'toggleDNSMasqSpoofOnBoot':
							$this->toggleDNSMasqSpoofOnBoot();
							break;
						case 'saveLandingPageData':
							$this->saveLandingPageData();
							break;
						case 'getLandingPageData':
							$this->getLandingPageData();
							break;
						case 'saveHostsData':
							$this->saveHostsData();
							break;
						case 'getHostsData':
							$this->getHostsData();
							break;
        }
    }

		protected function checkDependency($dependencyName)
		{
				return ((exec("which {$dependencyName}") == '' ? false : true) && ($this->uciGet("dnsmasqspoof.module.installed")));
		}

		protected function getDevice()
		{
				return trim(exec("cat /proc/cpuinfo | grep machine | awk -F: '{print $2}'"));
		}

		protected function checkRunning($processName)
		{
				return exec("ps w | grep {$processName} | grep -v grep") !== '' && exec("grep addn-hosts /etc/dnsmasq.conf") !== '' ? 1 : 0;
		}

		protected function refreshInfo()
		{
			$moduleInfo = @json_decode(file_get_contents("/pineapple/modules/DNSMasqSpoof/module.info"));
			$this->response = array('title' => $moduleInfo->title, 'version' => $moduleInfo->version);
		}

    private function handleDependencies()
    {
		if(!$this->checkDependency("dnsmasq"))
		{
					$this->execBackground("/pineapple/modules/DNSMasqSpoof/scripts/dependencies.sh install ".$this->request->destination);
	        $this->response = array('success' => true);
		}
		else
		{
	        $this->execBackground("/pineapple/modules/DNSMasqSpoof/scripts/dependencies.sh remove");
	        $this->response = array('success' => true);
		}
	}

    private function handleDependenciesStatus()
    {
        if (!file_exists('/tmp/DNSMasqSpoof.progress'))
				{
            $this->response = array('success' => true);
        }
				else
				{
            $this->response = array('success' => false);
        }
    }

    private function toggleDNSMasqSpoofOnBoot()
    {
				if(exec("cat /etc/rc.local | grep DNSMasqSpoof/scripts/autostart_dnsmasqspoof.sh") == "")
				{
					exec("sed -i '/exit 0/d' /etc/rc.local");
					exec("echo /pineapple/modules/DNSMasqSpoof/scripts/autostart_dnsmasqspoof.sh >> /etc/rc.local");
					exec("echo exit 0 >> /etc/rc.local");
				}
				else
				{
					exec("sed -i '/DNSMasqSpoof\/scripts\/autostart_dnsmasqspoof.sh/d' /etc/rc.local");
				}
		}

    private function toggleDNSMasqSpoof()
    {
		if(!$this->checkRunning("dnsmasq"))
		{
				$this->execBackground("/pineapple/modules/DNSMasqSpoof/scripts/dnsmasqspoof.sh start");
		}
		else
		{
				$this->execBackground("/pineapple/modules/DNSMasqSpoof/scripts/dnsmasqspoof.sh stop");
		}
	}

    private function refreshStatus()
    {
        if (!file_exists('/tmp/DNSMasqSpoof.progress'))
		{
			if (!$this->checkDependency("dnsmasq"))
			{
				$installed = false;
				$install = "Not installed";
				$installLabel = "danger";
				$processing = false;

				$status = "Start";
				$statusLabel = "success";

				$bootLabelON = "default";
				$bootLabelOFF = "danger";
			}
			else
			{
				$installed = true;
				$install = "Installed";
				$installLabel = "success";
				$processing = false;

				if($this->checkRunning("dnsmasq"))
				{
					$status = "Stop";
					$statusLabel = "danger";
				}
				else
				{
					$status = "Start";
					$statusLabel = "success";
				}

				if(exec("cat /etc/rc.local | grep DNSMasqSpoof/scripts/autostart_dnsmasqspoof.sh") == "")
				{
					$bootLabelON = "default";
					$bootLabelOFF = "danger";
				}
				else
				{
					$bootLabelON = "success";
					$bootLabelOFF = "default";
				}
			}
        }
		else
		{
			$installed = false;
			$install = "Installing...";
			$installLabel = "warning";
			$processing = true;

			$status = "Not running";
			$statusLabel = "danger";

			$bootLabelON = "default";
			$bootLabelOFF = "danger";
    }

		$device = $this->getDevice();
		$sdAvailable = $this->isSDAvailable();

		$this->response = array("device" => $device, "sdAvailable" => $sdAvailable, "status" => $status, "statusLabel" => $statusLabel, "installed" => $installed, "install" => $install, "installLabel" => $installLabel, "bootLabelON" => $bootLabelON, "bootLabelOFF" => $bootLabelOFF, "processing" => $processing);
	}

	private function refreshOutput()
	{
		if ($this->checkDependency("dnsmasq"))
		{
		  if ($this->checkRunning("dnsmasq"))
		  {
		        $this->response = "DNSMasq Spoof is running...";
		  }
		  else
		  {
		     $this->response = "DNSMasq Spoof is not running...";
		  }
		}
		else
		{
		  $this->response = "DNSMasq Spoof is not installed...";
		}
	}

	private function saveLandingPageData()
	{
			$filename = '/www/index.php';
			file_put_contents($filename, $this->request->configurationData);
	}

	private function getLandingPageData()
	{
			$configurationData = file_get_contents('/www/index.php');
			$this->response = array("configurationData" => $configurationData);
	}

	private function saveHostsData()
	{
			$filename = '/pineapple/modules/DNSMasqSpoof/hosts/dnsmasq.hosts';
			file_put_contents($filename, $this->request->configurationData);
	}

	private function getHostsData()
	{
			$configurationData = file_get_contents('/pineapple/modules/DNSMasqSpoof/hosts/dnsmasq.hosts');
			$this->response = array("configurationData" => $configurationData);
	}

}