var express = require('express');
var router = express.Router();
var exec = require('child_process').execFile;
var os = require('os');
var sudo = require('sudo');

var sudoOptions = {
	cachePassword: true,
	prompt: '?',
	spawnOptions: {},
};

/* GET home page. */
router.get('/show-phys', function(req, res, next) {
  exec('dladm', ['show-phys'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.split(os.EOL);
    //data = data[0].split(' ');
    response = [];

    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        response.push({"link": data[i].substring(0, data[0].indexOf('MEDIA')).trim(),
                       "media": data[i].substring(data[0].indexOf('MEDIA'), data[0].indexOf('STATE')).trim(),
                       "state": data[i].substring(data[0].indexOf('STATE'), data[0].indexOf('SPEED')).trim(),
                       "speed": data[i].substring(data[0].indexOf('SPEED'), data[0].indexOf('DUPLEX')).trim(),
                       "duplex": data[i].substring(data[0].indexOf('DUPLEX'), data[0].indexOf('DEVICE')).trim(),
                       "device": data[i].substring(data[0].indexOf('DEVICE'), data[i].length).trim()});
      }
    }
    response.splice(0,1);
    res.send(response);
  })
});

router.get('/show-vnic', function(req, res, next) {
  exec('dladm', ['show-vnic'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.split(os.EOL);
    response = [];

    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        response.push({'link': data[i].substring(0, data[0].indexOf('OVER')).trim(),
                       'over': data[i].substring(data[0].indexOf('OVER'), data[0].indexOf('SPEED')).trim(),
                       'speed': data[i].substring(data[0].indexOf('SPEED'), data[0].indexOf('MACADDRESS')).trim(),
                       'macaddress': data[i].substring(data[0].indexOf('MACADDRESS'), data[0].indexOf('MACADDRTYPE')).trim(),
                       'macaddrtype': data[i].substring(data[0].indexOf('MACADDRTYPE'), data[0].indexOf('VID')).trim(),
                       'vid': data[i].substring(data[0].indexOf('VID'), data[i].length).trim()});
      }
    }
    response.splice(0,1);
    res.send(response);
  });
});

router.get('/list-zones', function(req, res, next) {
  exec('zoneadm', ['list', '-cv'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.split(os.EOL);
    response = [];
    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        data_w = data[i].trim().split(/[ ]+/);
        console.log(data_w);
        if(data_w.length == 6) {
          response.push({'id': data_w[0].trim(),
                         'name': data_w[1].trim(),
                         'status': data_w[2].trim(),
                         'zone_path': data_w[3].trim(),
                         'brand': data_w[4].trim(),
                         'ip': data_w[5].trim()})
        }
      }
    }
    response.splice(0,1);
    res.send(response);
  });
});

router.get('/list-zfs', function(req, res, next) {
  exec('zfs', ['list'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.split(os.EOL);
    data_w = data[0].split(/[ ]+/);
    console.log(data_w);
    response = [];
    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        data_w = data[i].split(/[ ]+/);
        if(data_w.length == 5) {
          response.push({'name': data_w[0].trim(),
                         'used': data_w[1].trim(),
                         'avail': data_w[2].trim(),
                         'refer': data_w[3].trim(),
                         'mountpoint': data_w[4].trim()});
        }
      }
    }
    response.splice(0,1);
    res.send(response);
  });
});

router.get('/list-svc', function(req, res, next) {
  exec('svcs', ['-a'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.split(os.EOL);
    data_w = data[0].split(/[ ]+/);
    console.log(data_w);
    response = [];
    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        data_w = data[i].split(/[ ]+/);
        if(data_w.length == 3) {
          response.push({'state': data_w[0].trim(),
                         'stime': data_w[1].trim(),
                         'fmri': data_w[2].trim()});
        }
      }
    }
    response.splice(0,1);
    res.send(response);
  });
});

router.get('/list-zpool', function(req, res, next) {
  exec('zpool', ['list'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.split(os.EOL);
    data_w = data[0].split(/[ ]+/);
    console.log(data_w);
    response = [];
    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        data_w = data[i].split(/[ ]+/);
        if(data_w.length == 10) {
          response.push({'name': data_w[0].trim(),
                         'size': data_w[1].trim(),
                         'alloc': data_w[2].trim(),
                         'free': data_w[3].trim(),
                         'expandsz': data_w[4].trim(),
                         'frag': data_w[5].trim(),
                         'cap': data_w[6].trim(),
                         'dedup': data_w[7].trim(),
                         'health': data_w[8].trim(),
                         'altroot': data_w[9].trim()});
        }
      }
    }
    response.splice(0,1);
    res.send(response);
  });
});

router.get('/prstat', function(req, res, next) {
  exec('prstat', ['-Z', '0', '1'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.substring(data.indexOf('ZONEID'), data.indexOf('Total'));
    data = data.split(os.EOL);
    data_w = data[0].trim().split(/[ ]+/);
    console.log(data_w);
    response = [];
    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        data_w = data[i].trim().split(/[ ]+/);
        if(data_w.length == 8) {
          response.push({'zoneid': data_w[0].trim(),
                    'nproc': data_w[1].trim(),
                    'swap': data_w[2].trim(),
                    'rss': data_w[3].trim(),
                    'memory': data_w[4].trim(),
                    'time': data_w[5].trim(),
                    'cpu': data_w[6].trim(),
                    'zone': data_w[7].trim()});
        }
      }
    }
    response.splice(0,1);
    res.send(response);
  });
});

router.get('/statsCPU', function(req, res, next) {
  exec('prstat', ['-Z', '0', '1'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.substring(data.indexOf('ZONEID'), data.indexOf('Total'));
    data = data.split(os.EOL);
    data_w = data[1].trim().split(/[ ]+/);
    data.splice(0,1);
//    console.log(data_w);
    response = {
      labels: [],
      datasets: [
        {
          data: [],
          backgroundColor: [
            '#FFAC0D',
            '#E8840C',
            '#FF6600',
            '#E8440C',
            '#FF270D',
          ],
        }
      ]
    };

    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        data_w = data[i].trim().split(/[ ]+/);
        if(data_w.length == 8) {
          response.labels.push(data_w[7].trim());
          response.datasets[0].data.push(parseFloat(data_w[6].trim().toString().replace(',', '.')));
        }
      }
    }
    var part = 0;
    for(var i = 0; i < response.datasets[0].data.length; i++) {
      part += response.datasets[0].data[i];
    }
    response.labels.push('free');
    response.datasets[0].data.push(100-part);
    res.send(response);
  });
});

router.get('/statsMEM', function(req, res, next) {
  exec('prstat', ['-Z', '0', '1'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.substring(data.indexOf('ZONEID'), data.indexOf('Total'));
    data = data.split(os.EOL);
    data_w = data[1].trim().split(/[ ]+/);
    data.splice(0,1);
//    console.log(data_w);
    response = {
      labels: [],
      datasets: [
        {
          data: [],
          backgroundColor: [
            '#FFAC0D',
            '#E8840C',
            '#FF6600',
            '#E8440C',
            '#FF270D',
          ],
        }
      ]
    };

    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        data_w = data[i].trim().split(/[ ]+/);
        if(data_w.length == 8) {
          response.labels.push(data_w[7].trim());
          response.datasets[0].data.push(parseFloat(data_w[4].trim().toString().replace(',', '.')));
        }
      }
    }
    var part = 0;
    for(var i = 0; i < response.datasets[0].data.length; i++) {
      part += response.datasets[0].data[i];
    }
    response.labels.push('free');
    response.datasets[0].data.push(100-part);
    res.send(response);
  });
});

router.get('/cpu-load', function(req, res, next) {
  res.send(os.loadavg());
});

router.get('/poweroff/:zoneName', function(req, res, next) {
  exec('pfexec', ['zoneadm', '-z', req.params.zoneName, 'shutdown'], function(err, data) {
    console.log('Shutdown initiated for ' + req.params.zoneName);
    console.log(err);
    console.log(data);
  });
  res.send('OK');
});

router.get('/boot/:zoneName', function(req, res, next) {
  exec('pfexec', ['zoneadm', '-z', req.params.zoneName, 'boot'], function(err, data) {
    console.log('Boot initiated for ' + req.params.zoneName);
    console.log(err);
    console.log(data);
  });
});

router.get('/stats', function(req, res, next) {
  result = {};
  result.cpuLoad = os.loadavg();
  resultCount = 0;
  
  exec('zoneadm', ['list', '-cv'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.split(os.EOL);
    response = [];
    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        data_w = data[i].trim().split(/[ ]+/);
//        console.log(data_w);
        if(data_w.length == 6) {
          response.push({'id': data_w[0].trim(),
                         'name': data_w[1].trim(),
                         'status': data_w[2].trim(),
                         'zone_path': data_w[3].trim(),
                         'brand': data_w[4].trim(),
                         'ip': data_w[5].trim()})
        }
      }
    }
    response.splice(0,1);
    result.listZones = response;
    resultCount++;
    if(resultCount == 3) {
      res.send(result);
    }
  });
  
  exec('prstat', ['-Z', '0', '1'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.substring(data.indexOf('ZONEID'), data.indexOf('Total'));
    data = data.split(os.EOL);
    data_w = data[1].trim().split(/[ ]+/);
    data.splice(0,1);
//    console.log(data_w);
    response = {
      labels: [],
      datasets: [
        {
          data: [],
          backgroundColor: [
            '#FFAC0D',
            '#E8840C',
            '#FF6600',
            '#E8440C',
            '#FF270D',
          ],
        }
      ]
    };

    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        data_w = data[i].trim().split(/[ ]+/);
        if(data_w.length == 8) {
          response.labels.push(data_w[7].trim());
          response.datasets[0].data.push(parseFloat(data_w[6].trim().toString().replace(',', '.')));
        }
      }
    }
    var part = 0;
    for(var i = 0; i < response.datasets[0].data.length; i++) {
      part += response.datasets[0].data[i];
    }
    response.labels.push('free');
    response.datasets[0].data.push(100-part);
    result.statsCPU = response;
    resultCount++;
    if(resultCount == 3) {
      res.send(result);
    }
  });
  exec('prstat', ['-Z', '0', '1'], function(err, data) {
    console.log(err);
//    console.log(data);
    data = data.substring(data.indexOf('ZONEID'), data.indexOf('Total'));
    data = data.split(os.EOL);
    data_w = data[1].trim().split(/[ ]+/);
    data.splice(0,1);
//    console.log(data_w);
    response = {
      labels: [],
      datasets: [
        {
          data: [],
          backgroundColor: [
            '#FFAC0D',
            '#E8840C',
            '#FF6600',
            '#E8440C',
            '#FF270D',
          ],
        }
      ]
    };

    for(var i = 0; i < data.length; i++) {
      if(data[i]) {
        data_w = data[i].trim().split(/[ ]+/);
        if(data_w.length == 8) {
          response.labels.push(data_w[7].trim());
          response.datasets[0].data.push(parseFloat(data_w[4].trim().toString().replace(',', '.')));
        }
      }
    }
    var part = 0;
    for(var i = 0; i < response.datasets[0].data.length; i++) {
      part += response.datasets[0].data[i];
    }
    response.labels.push('free');
    response.datasets[0].data.push(100-part);
    result.statsMEM = response;
    resultCount++;
    if(resultCount == 3) {
      res.send(result);
    }
  });  
});

router.get('/createvnic/:vnicName/:overName', function(req, res, next) {
  exec('pfexec', ['dladm', 'create-vnic', '-l', req.params.overName, req.params.vnicName], function(err, data) {
    console.log('Vnic created: ' + req.params.vnicName + ' over ' + req.params.overName);
    console.log(err);
    console.log(data);
	res.send('OK');
  });
});

router.get('/deletevnic/:vnicName', function(req, res, next) {
  exec('pfexec', ['dladm', 'delete-vnic', req.params.vnicName], function(err, data) {
    console.log('Vnic deleted: ' + req.params.vnicName);
    console.log(err);
    console.log(data);
	res.send('OK');
  });
});

router.get('/createvm/:vmName/:vnicName', function(req, res, next) {
  var child = sudo(['pfexec', __dirname + '/scripts/create-vm', req.params.vmName, req.params.vnicName], sudoOptions);
  child.stdout.on('data', function(data) {
    console.log('VM created: ' + req.params.vmName);
    //console.log(err);
    console.log(data.toString());
  });
    res.send('OK');
});

router.get('/deletevm/:vmName', function(req, res, next) {
  var child = sudo([__dirname + '/scripts/delete-vm', req.params.vmName], sudoOptions);
  child.stdout.on('data', function(data) {
    console.log('VM deleted: ' + req.params.vmName);
    console.log(data.toString());
  });
  res.send('OK');
})

module.exports = router;