const _ = require('lodash');
const fs = require('fs');
const path = require('path');

exports.config = {
  defaultName: 'QLab',
  connectionType: 'osc',
  remotePort: 53000,
  localPort: 53001,
  mayChangePorts: true,
  mayChangeLocalPort: false,
  heartbeatInterval: 100,
  heartbeatTimeout: 5000,
  searchOptions: {
    type: 'Bonjour',
    bonjourName: 'qlab',
  },
  fields: [
    {
      key: 'passcode',
      label: 'Pass',
      type: 'textinput',
      value: '',
      action(device) {
        device.send('/workspaces');
      },
    },
  ],
};

const valuesForKeysString =
  '["uniqueID","number","name","listName","isBroken","isRunning","isLoaded","isFlagged",' +
  '"type","children","preWait","postWait","duration","colorName","continueMode",' +
  '"mode","parent","cartRows","cartColumns","cartPosition","displayName","preWaitElapsed",' +
  '"actionElapsed","postWaitElapsed","isPaused","currentCueTarget","isRunning","armed","notes"]';

exports.ready = function ready(_device) {
  const device = _device;
  device.send(`/version`);
  device.send('/workspaces');
  device.data.workspaces = {};
  device.data.cueKeys = {};
  device.data.version = '';
  device.data.lastElapsedMessage = 0;
  device.data.ticks = 0;

  device.templates = {
    cue: _.template(fs.readFileSync(path.join(__dirname, `cue.ejs`))),
    tile: _.template(fs.readFileSync(path.join(__dirname, `tile.ejs`))),
    cart: _.template(fs.readFileSync(path.join(__dirname, `cart.ejs`))),
    cuelist: _.template(fs.readFileSync(path.join(__dirname, `cuelist.ejs`))),
  };
};

exports.data = function data(_device, oscData) {
  const device = _device;

  const msgAddr = oscData.address.split('/');
  msgAddr.shift();

  let json = [];
  try {
    json = JSON.parse(oscData.args[0]);
  } catch (err) {
    // a handful of messages don't respond with JSON
  }

  if (Object.keys(json).length > 0) {
    if (json.status === 'denied') {
      if (device.data.workspaces[json.workspace_id]) {
        device.data.workspaces[json.workspace_id].permission = 'denied';
      }
      return;
    }
    if (json.status === 'error') {
      // device.send('/workspaces');
      return;
    }
  }

  if (oscData.address === '/reply/workspaces') {
    for (let i = 0; i < json.data.length; i++) {
      device.data.workspaces[json.data[i].uniqueID] = {
        version: json.data[i].version,
        displayName: json.data[i].displayName,
        port: json.data[i].port,
        udpReplyPort: json.data[i].udpReplyPort,
        cueLists: [],
        selected: [],
      };
      device.data.version = json.data[i].version;
      device.data.workspaces[json.data[i].uniqueID].permission = 'ok';
      device.send(`/workspace/${json.data[i].uniqueID}/connect`, device.fields.passcode);
    }

    this.deviceInfoUpdate(device, 'status', 'ok');
    device.draw();
  } else if (/reply\/workspace\/.*\/connect/.test(oscData.address)) {
    if (json.data === 'badpass') {
      device.data.workspaces[json.workspace_id].permission = 'badpass';
    } else {
      device.data.workspaces[json.workspace_id].permission = 'ok';
      device.send(`/workspace/${msgAddr[2]}/cueLists`);
      if (device.data?.version?.startsWith('5')) {
        device.send(`/updates`, [{ type: 'i', value: 1 }]);
      } else {
        device.send(`/workspace/${msgAddr[2]}/updates`, [{ type: 'i', value: 1 }]);
      }
    }
  } else if (/reply\/workspace\/.*\/cueLists/.test(oscData.address)) {
    insertChildCues(device, device.data.workspaces[msgAddr[2]].cueLists, json.data, '[root group of cue lists]');
  } else if (/reply\/cue_id\/.*\/valuesForKeys/.test(oscData.address)) {
    const keyValues = json.data;
    let cue = device.data.cueKeys[msgAddr[2]];

    if (cue === undefined) {
      device.data.cueKeys[msgAddr[2]] = {};
      cue = device.data.cueKeys[msgAddr[2]];
    }
    cue.uniqueID = keyValues.uniqueID;
    cue.number = keyValues.number;
    cue.listName = keyValues.listName;
    cue.isBroken = keyValues.isBroken;
    cue.isRunning = keyValues.isRunning;
    cue.isLoaded = keyValues.isLoaded;
    cue.isFlagged = keyValues.isFlagged;
    cue.type = keyValues.type;
    cue.cues = keyValues.children;
    cue.preWait = keyValues.preWait;
    cue.postWait = keyValues.postWait;
    cue.duration = keyValues.duration;
    cue.colorName = keyValues.colorName;
    cue.continueMode = keyValues.continueMode;
    cue.mode = keyValues.mode;
    cue.parent = keyValues.parent;
    cue.cartRows = keyValues.cartRows;
    cue.cartColumns = keyValues.cartColumns;
    cue.cartPosition = keyValues.cartPosition;
    cue.displayName = keyValues.displayName;
    cue.preWaitElapsed = keyValues.preWaitElapsed;
    cue.actionElapsed = keyValues.actionElapsed;
    cue.postWaitElapsed = keyValues.postWaitElapsed;
    cue.isPaused = keyValues.isPaused;
    cue.currentCueTarget = keyValues.currentCueTarget;
    cue.armed = keyValues.armed;
    cue.notes = keyValues.notes;

    if (keyValues.isRunning) {
      device.data.lastElapsedMessage = device.data.ticks;
    }

    if (cue.parent !== '[root group of cue lists]') {
      cue.parent = device.data.cueKeys[cue.parent];
    }

    if (cue.type === 'Cue List' || cue.type === 'Group' || cue.type === 'Cart') {
      if (device.data.cueKeys[msgAddr[2]].cueInWorkspace && cue.cues) {
        insertChildCues(
          device,
          device.data.cueKeys[msgAddr[2]].cueInWorkspace.cues,
          [...keyValues.children],
          device.data.cueKeys[msgAddr[2]].cueInWorkspace
        );
      }

      if (cue.type === 'Cue List') {
        // draw cue list right away
        device.draw();
      } else {
        // set up a timeout in case more messages come along to avoid fast re-drawing
        if (device.drawTimeout !== undefined) {
          clearTimeout(device.drawTimeout);
        }
        device.drawTimeout = setTimeout(() => {
          device.draw();
        }, 250);
      }
    }

    if (cue.type !== 'Cue List' && cue.type !== 'Cart') {
      device.update('updateCueRow', { cue, workspace: device.data.workspaces[json.workspace_id] });
    }
  } else if (/reply\/cue_id\/(.*)\/(.*)Elapsed/.test(oscData.address)) {
    const workspace = device.data.workspaces[json.workspace_id];
    let cueID;
    let keyName;
    device.data.lastElapsedMessage = device.data.ticks;

    if (workspace?.version.startsWith('5.')) {
      const addrParts = json.address.split('/');
      cueID = addrParts[4];
      keyName = addrParts[5];
    } else {
      const addrParts = json.address.split('/');
      cueID = addrParts[2];
      keyName = addrParts[3];
    }

    device.data.cueKeys[cueID][keyName] = json.data;

    device.update('updateCueRow', { cue: device.data.cueKeys[cueID], workspace });
  } else if (/reply\/workspace\/.*\/selectedCues/.test(oscData.address)) {
    const workspace = device.data.workspaces[msgAddr[2]];
    if (!workspace) {
      return;
    }
    workspace.selected = [];
    for (let i = 0; i < json.data.length; i++) {
      workspace.selected.push(json.data[i].uniqueID);
    }
    device.update('updatePlaybackAndSelected', { workspace: device.data.workspaces[json.workspace_id] });
  } else if (/update\/workspace\/.*\/cue_id\/.*/.test(oscData.address)) {
    device.send(`/cue_id/${msgAddr[4]}/valuesForKeys`, [{ type: 's', value: valuesForKeysString }]);
  } else if (/update\/workspace\/.*\/cueList\/.*\/playbackPosition/.test(oscData.address)) {
    const workspace = device.data.workspaces[msgAddr[2]];
    if (workspace) {
      workspace.playbackPosition = oscData.args[0];
      device.update('updatePlaybackAndSelected', { workspace: device.data.workspaces[msgAddr[2]] });
    }
  } else if (/update\/workspace\/.*\/dashboard/.test(oscData.address)) {
    device.send(`/workspace/${msgAddr[2]}/selectedCues`);
    device.send(`/cue_id/active/preWaitElapsed`);
  }
};

exports.update = function update(device, _doc, updateType, data) {
  const doc = _doc;
  if (updateType === 'updateCueRow') {
    const $elem = doc.getElementById(data.cue.uniqueID);
    if ($elem) {
      if (data.cue.parent.type === 'Cart') {
        $elem.outerHTML = device.templates.tile({
          allCues: device.data.cueKeys,
          cue: data.cue,
          workspace: data.workspace,
        });
      } else {
        $elem.outerHTML = device.templates.cue({
          allCues: device.data.cueKeys,
          cue: data.cue,
          workspace: data.workspace,
        });
      }
    }
  } else if (updateType === 'updatePlaybackAndSelected') {
    Array.from(doc.querySelectorAll('.selected')).forEach(($el) => {
      $el.classList.remove('selected');
    });
    Array.from(doc.querySelectorAll('.playback-position')).forEach(($el) => {
      $el.classList.remove('playback-position');
    });

    for (let i = 0; i < data.workspace.selected.length; i++) {
      const $elem = doc.getElementById(data.workspace.selected[i]);
      if ($elem) {
        $elem.classList.add('selected');
      }
    }

    const $playheadInfo = doc.getElementById('playhead-information');
    const $playheadName = doc.getElementById('playhead-name');
    const $playheadNotes = doc.getElementById('playhead-notes');

    if (data.workspace.playbackPosition) {
      const $cueRow = doc.getElementById(data.workspace.playbackPosition);
      if ($cueRow) {
        $cueRow.classList.add('playback-position');
        $cueRow.scrollIntoView({ behavior: 'smooth', block: 'center' });
      }

      const cue = device.data.cueKeys[data.workspace.playbackPosition];
      if (cue && $playheadName) {
        $playheadName.setAttribute('class', `playhead-name cartColor-${cue.colorName} playhead-disarmed`);
        $playheadInfo.classList.add('playhead-active');
        if (cue.number) {
          $playheadName.innerHTML = `${cue.number} &bull; ${cue.displayName}`;
        } else {
          $playheadName.innerHTML = cue.displayName;
        }
        if (cue.notes) {
          $playheadNotes.innerHTML = cue.notes;
        } else {
          $playheadNotes.innerHTML = '<span style="color:#5C5C5C">Notes</span>';
        }
        if (!cue.armed) {
          $playheadName.classList.add('playhead-disarmed');
        } else {
          $playheadName.classList.remove('playhead-disarmed');
        }
      }
    } else {
      $playheadName.setAttribute('class', `playhead-name`);
      $playheadName.innerHTML = '<span style="color:#747574">[no cue on standby]</span>';
      $playheadNotes.innerHTML = '';
      $playheadInfo.classList.remove('playhead-active');
    }
  }
};

exports.heartbeat = function heartbeat(_device) {
  const device = _device;
  device.data.ticks++;
  if (device.data.ticks % 10 === 0) {
    device.send(`/thump`);
  }
  if (device.data.ticks - device.data.lastElapsedMessage < 5) {
    device.send(`/cue_id/active/preWaitElapsed`);
    device.send(`/cue_id/active/postWaitElapsed`);
    device.send(`/cue_id/active/actionElapsed`);
  }
};

function insertChildCues(_device, _oldCues, newCues, _parent) {
  const device = _device;
  const newIDs = _.keyBy(newCues, 'uniqueID');
  const oldCues = _oldCues;
  const parent = _parent;

  if (!oldCues) {
    return;
  }

  for (let i = 0; i < oldCues.length; i++) {
    const oldCue = oldCues[i];

    if (!newIDs[oldCue.uniqueID]) {
      oldCues.splice(i, 1);
      i--;
    }

    const indexOfOldCueInNew = _.findIndex(newCues, (o) => o.uniqueID === oldCue.uniqueID);

    if (indexOfOldCueInNew >= 0) {
      const newCue = newCues[indexOfOldCueInNew];
      oldCues[i].armed = newCue.armed;
      oldCues[i].colorName = newCue.colorName;
      oldCues[i].colorNameLive = newCue['colorName/live'];

      oldCues[i].flagged = newCue.flagged;
      oldCues[i].listName = newCue.listName;
      oldCues[i].name = newCue.name;
      oldCues[i].number = newCue.number;
      oldCues[i].type = newCue.type;
      oldCues[i].sortIndex = indexOfOldCueInNew;
      oldCues[i].parent = parent;

      newCue.used = true;

      let keys = device.data.cueKeys[oldCues[i].uniqueID];
      if (!keys) {
        device.data.cueKeys[oldCues[i].uniqueID] = {};
        keys = device.data.cueKeys[oldCues[i].uniqueID];
      }

      keys.cueInWorkspace = oldCues[i];

      if (oldCues[i].type === 'Group' || oldCues[i].type === 'Cue List' || oldCues[i].type === 'Cart') {
        insertChildCues(device, oldCues[i].cues, newCue.cues, oldCues[i]);
      }
    }
  }
  for (let i = 0; i < newCues.length; i++) {
    const newCue = newCues[i];
    if (newCue.used !== true) {
      const newIndex = oldCues.push({
        armed: newCue.armed,
        colorName: newCue.colorName,
        colorNameLive: newCue['colorName/live'],
        flagged: newCue.flagged,
        listName: newCue.listName,
        name: newCue.name,
        number: newCue.number,
        type: newCue.type,
        uniqueID: newCue.uniqueID,
        sortIndex: i,
        parent,
      });

      const freshCue = oldCues[newIndex - 1];

      let keys = device.data.cueKeys[freshCue.uniqueID];
      if (!keys) {
        device.data.cueKeys[freshCue.uniqueID] = {};
        keys = device.data.cueKeys[freshCue.uniqueID];
      }

      if (freshCue.parent === '[root group of cue lists]') {
        keys.parentKeys = [];
      } else {
        keys.parentKeys = [...device.data.cueKeys[freshCue.parent.uniqueID].parentKeys];
        keys.parentKeys.push(device.data.cueKeys[freshCue.parent.uniqueID]);
      }

      device.send(`/cue_id/${newCue.uniqueID}/valuesForKeys`, [{ type: 's', value: valuesForKeysString }]);

      keys.cueInWorkspace = freshCue;

      if (freshCue.type === 'Group' || freshCue.type === 'Cue List' || oldCues[i].type === 'Cart') {
        freshCue.cues = [];
        insertChildCues(device, freshCue.cues, newCue.cues, freshCue);
      }
    }
  }
  oldCues.sort((a, b) => a.sortIndex - b.sortIndex);
}