main.js

var liveData = require('./lib/liveData.js');
var findData = require('./findData.js');

var blessed = require('blessed');

var screen = blessed.screen();

// Create Site Box
var siteBox = blessed.list({
  parent: screen,
  width: '49%',
  height: '32%',
  top: '2%',
  left: '1%',
  align: 'left',
  fg: 'lightgreen',
  border: {
    type: 'line',
  },
  style: {
    focus: {
      border: {
        fg: 'yellow',
      },
    },
  },
  selectedBg: 'blue',
  label: 'Sites',
  content: ' Loading... ',
  // Allow mouse support
  mouse: true,
  // Allow key support (arrow keys + enter)
  keys: true,
  // Use vi built-in keys
  vi: true,
});

// Create Site Info
var siteInfo = blessed.text({
  parent: screen,
  width: '49%',
  height: '20%',
  top: '2%',
  left: '50%',
  align: 'left',
  fg: 'cyan',
  border: {
    type: 'line',
  },
  label: 'Site Info',
  content: ' Select a Site ',
});

// Create Dish Box
var dishBox = blessed.list({
  parent: screen,
  width: '49%',
  height: '32%',
  top: '34%',
  left: '1%',
  align: 'left',
  fg: 'lightgreen',
  border: {
    type: 'line',
  },
  style: {
    focus: {
      border: {
        fg: 'yellow',
      },
    },
  },
  selectedBg: 'blue',
  label: 'Dishes',
  content: ' Select a Site ',
  // Allow mouse support
  mouse: true,
  // Allow key support (arrow keys + enter)
  keys: true,
  // Use vi built-in keys
  vi: true,
});

// Create Dish Info
var dishInfo = blessed.text({
  parent: screen,
  width: '49%',
  height: '30%',
  top: '22%',
  left: '50%',
  align: 'left',
  fg: 'cyan',
  border: {
    type: 'line',
  },
  label: 'Dish Info',
  content: ' Select a Dish ',
});

// Create Target Box
var targetBox = blessed.list({
  parent: screen,
  width: '49%',
  height: '32%',
  top: '65%',
  left: '1%',
  align: 'left',
  fg: 'lightgreen',
  border: {
    type: 'line',
  },
  style: {
    focus: {
      border: {
        fg: 'yellow',
      },
    },
  },
  selectedBg: 'blue',
  label: 'Targets',
  content: ' Select a Dish ',
  // Allow mouse support
  mouse: true,
  // Allow key support (arrow keys + enter)
  keys: true,
  // Use vi built-in keys
  vi: true,
});

// Create Target Info
var targetInfo = blessed.text({
  parent: screen,
  width: '49%',
  height: '45%',
  top: '52%',
  left: '50%',
  align: 'left',
  fg: 'cyan',
  border: {
    type: 'line',
  },
  label: 'Target Info',
  content: ' Select a Target ',
});

// Initially focus the site box
siteBox.focus();
screen.render();

// Allow Tab to go to next window
screen.key('tab', function() {
  screen.focusNext();
});

// Allow Shift-Tab to go back a window
screen.key('S-tab', function() {
  screen.focusPrevious();
});

// Fetch Initial data
var content = {};
liveData()
.then(function(data) {
  content = data;
})
.done(function() {
  // Populate Site List with live data
  var sites = findData.siteList(content).sort();
  sites.map(function(val) {
    var siteName = content.site[val].friendlyName;
    siteBox.addItem(siteName).set('siteKey', val);
  });
  screen.render();
});

// Update every 5 seconds
setInterval(function() {
  liveData()
    .then(function(data) {
      content = data;
    })
    .done(function() {
      screen.render();
    });
}, 5000);

// Populate Dish List and Site Info with live data when site is selected
siteBox.on('select', function(child) {
  var siteKey = child.get('siteKey');
  // Wipe away data in clear items
  dishBox.clearItems();
  // Add data to dish list
  var dishes = findData.siteDishes(content, siteKey).sort();
  dishes.map(function(val) {
    var dishName = content.dish[val].friendlyName;
    dishBox.addItem(dishName).set('dishKey', val);
  });
  // Wipe away data in site info, dish info, and target info
  siteInfo.getLines().map(function(val, i) {
    siteInfo.deleteLine(i);
  });
  dishInfo.getLines().map(function(val, i) {
    dishInfo.deleteLine(i);
  });
  targetInfo.getLines().map(function(val, i) {
    targetInfo.deleteLine(i);
  });
  // Add data to site info
  var siteObj = content.site[siteKey];
  // TODO: NASA provides a timezone offset here, use it
  var userTime = new Date(parseInt(siteObj.timeUTC));
  siteInfo.pushLine('Name     : ' + siteObj.friendlyName);
  siteInfo.pushLine('Time     : ' + userTime);
  siteInfo.pushLine('Latitude : ' + siteObj.latitude);
  siteInfo.pushLine('Longitude: ' + siteObj.longitude);
  // Draw screen
  screen.render();
});

// Populate Target List with live data when dish is selected
dishBox.on('select', function(child) {
  var dishKey = child.get('dishKey');
  // Dish activity
  var active = false;
  // Wipe away data in target list
  targetBox.clearItems();
  // Set items in target list
  var targets = findData.dishTargets(content, dishKey).sort();
  if (targets.length === 0) {
    targetBox.addItem('No current targets!');
  } else {
    targets.map(function(val) {
      var line = targetBox.addItem(val);
      line.set('dishKey', dishKey);
      line.set('targetKey', val);
    });
    active = true;
  }
  // Wipe away data in dish info and target info
  dishInfo.getLines().map(function(val, i) {
    dishInfo.deleteLine(i);
  });
  targetInfo.getLines().map(function(val, i) {
    targetInfo.deleteLine(i);
  });
  // Add data to dish info
  var dishObj = content.dish[dishKey];
  dishInfo.pushLine('Name       : ' + dishObj.friendlyName);
  dishInfo.pushLine('Type       : ' + dishObj.type);
  if (active) {
    dishInfo.pushLine('Started    : ' + dishObj.created);
    dishInfo.pushLine('Created    : ' + dishObj.updated);
    dishInfo.pushLine('Azimuth    : ' + dishObj.azimuthAngle);
    dishInfo.pushLine('Elevation  : ' + dishObj.elevationAngle);
    dishInfo.pushLine('Wind Speed : ' + dishObj.windSpeed);
    dishInfo.pushLine('Multi-craft: ' + dishObj.isMSPA);
    dishInfo.pushLine('Array      : ' + dishObj.isArray);
    dishInfo.pushLine('Delta Range: ' + dishObj.isDDOR);
  }
  screen.render();
});

// Populate the Target Info box
targetBox.on('select', function(child) {
  var dishKey = child.get('dishKey');
  var targetKey = child.get('targetKey');
  targetInfo.getLines().map(function(val, i) {
    targetInfo.deleteLine(i);
  });
  // Add data to target Info
  var targetObj = content.dish[dishKey].target[targetKey];
  var spacecraft = findData.getSpacecraft(content, targetKey);
  // Check if there's a spacecraft object, and set friendly name
  if (typeof spacecraft !== 'undefined') {
    targetInfo.pushLine('Name         : ' + spacecraft.friendlyName);
  } else {
    targetInfo.pushLine('Name         : N/A');
  }
  targetInfo.pushLine('Up Distance  : ' + targetObj.uplegRange);
  targetInfo.pushLine('Down Distance: ' + targetObj.downlegRange);
  targetInfo.pushLine('RT Light Time: ' + targetObj.rtlt);
  targetInfo.pushLine('');
  // Get down signals
  downSignals = findData.getDownSignals(content, dishKey, targetKey);
  downSignals.map(function(val, i) {
    i++;
    targetInfo.pushLine('Downsignal #' + i + ':');
    targetInfo.pushLine('Signal Type: ' + val.signalType);
    targetInfo.pushLine('State      : ' + val.signalTypeDebug);
    targetInfo.pushLine('Power      : ' + val.power);
    targetInfo.pushLine('Frequency  : ' + val.frequency);
    targetInfo.pushLine('Data Rate  : ' + val.dataRate);
  });
  targetInfo.pushLine('');
  // Get up signals
  upSignals = findData.getUpSignals(content, dishKey, targetKey);
  upSignals.map(function(val, i) {
    i++;
    targetInfo.pushLine('Upsignal #' + i + ':');
    targetInfo.pushLine('Signal Type: ' + val.signalType);
    targetInfo.pushLine('State      : ' + val.signalTypeDebug);
    targetInfo.pushLine('Power      : ' + val.power);
    targetInfo.pushLine('Frequency  : ' + val.frequency);
    targetInfo.pushLine('Data Rate  : ' + val.dataRate);
  });
  targetInfo.pushLine('');
  // Render Screen
  screen.render();
});


// Select the first item.
siteBox.select(1);

screen.key('q', function(ch, key) {
  return process.exit(0);
});

screen.render();