const rootElement = document.getElementById('forum-network');
const rootBox = new Box('rootBox', rootElement).flex();

function randomDelay(min, max) {
  const delayMs = min + Math.random() * max;
  return delayMs;
}

function delay(min, max = min) {
  const delayMs = min + Math.random() * (max - min);
  return new Promise((resolve) => setTimeout(resolve, delayMs));
}

if (true) {
  const scene = new Scene('Scene 1', rootBox);
  const webClientStatus = scene.addDisplayValue('WebClient Status');
  const node1Status = scene.addDisplayValue('Node 1 Status');
  const blockchainStatus = scene.addDisplayValue('Blockchain Status');

  const webClient = scene.addActor('web client');
  const node1 = scene.addActor('node 1');
  const blockchain = scene.addActor('blockchain');
  const requestForumPage = scene.addAction('requestForumPage');
  const readBlockchainData = scene.addAction('readBlockchainData');
  const blockchainData = scene.addAction('blockchainData');
  const forumPage = scene.addAction('forumPage');

  webClientStatus.set('Initialized');
  node1Status.set('Idle');
  blockchainStatus.set('Idle');

  node1.on(requestForumPage, (src, detail) => {
    node1Status.set('Processing request');
    node1.on(blockchainData, (_src, data) => {
      node1Status.set('Processing response');
      setTimeout(() => {
        node1.send(src, forumPage, data);
        node1Status.set('Idle');
      }, randomDelay(500, 1000));
    });
    setTimeout(() => {
      node1.send(blockchain, readBlockchainData, detail);
    }, randomDelay(500, 1500));
  });

  blockchain.on(readBlockchainData, (src, detail) => {
    blockchainStatus.set('Processing request');
    setTimeout(() => {
      blockchain.send(src, blockchainData, {});
      blockchainStatus.set('Idle');
    }, randomDelay(500, 1500));
  });

  webClient.on(forumPage, (_src, _detail) => {
    webClientStatus.set('Received forum page');
  });

  setInterval(() => {
    webClient.send(node1, requestForumPage);
    webClientStatus.set('Requested forum page');
  }, randomDelay(6000, 12000));
}

(async function () {
  const scene = new Scene('Scene 2', rootBox);

  const webClient = scene.addActor('webClient');

  const nodes = [];
  const memories = [];
  const storages = [];

  function addNode() {
    const idx = nodes.length;
    const node = scene.addActor(`node${idx}`);
    const memory = scene.addActor(`memory${idx}`);
    const storage = scene.addActor(`storage${idx}`);
    node.memory = memory;
    node.storage = storage;
    nodes.push(node);
    memories.push(memory);
    storages.push(storage);
    return node;
  }

  function getPeer(node) {
    const peers = nodes.filter((peer) => peer !== node);
    const idx = Math.floor(Math.random() * peers.length);
    return peers[idx];
  }

  addNode();
  addNode();

  const [
    seekTruth,
    considerInfo,
    evaluateConfidence,
    chooseResponse,
    qualifiedOpinions,
    requestMemoryData,
    memoryData,
    requestStorageData,
    storageData,
  ] = [
    'seek truth',
    'consider available information',
    'evaluate confidence',
    'choose response',
    'qualified opinions',
    'request in-memory data',
    'in-memory data',
    'request storage data',
    'storage data',
  ].map((name) => scene.addAction(name));

  memories.forEach((memory) => {
    memory.setStatus('Idle');
    memory.on(requestMemoryData, async (src, _detail) => {
      memory.setStatus('Retrieving data');
      await delay(1000);
      memory.send(src, memoryData, {});
      memory.setStatus('Idle');
    });
  });

  storages.forEach((storage) => {
    storage.setStatus('Idle');
    storage.on(requestStorageData, async (src, _detail) => {
      storage.setStatus('Retrieving data');
      await delay(1000);
      storage.send(src, storageData, {});
      storage.setStatus('Idle');
    });
  });

  nodes.forEach((node) => {
    node.setStatus('Idle');
    node.on(seekTruth, async (seeker, detail) => {
      node.setStatus('Processing request');

      node.on(chooseResponse, async (_src, _info) => {
        node.setStatus('Choosing response');
        await delay(1000);
        node.send(seeker, qualifiedOpinions, {});
        node.setStatus('Idle');
      });

      node.on(evaluateConfidence, async (_src, _info) => {
        node.setStatus('Evaluating confidence');
        await delay(1000);
        node.send(node, chooseResponse);
      });

      node.on(considerInfo, async (_src, _info) => {
        node.setStatus('Considering info');
        await delay(1000);
        node.send(node, evaluateConfidence);
      });

      node.on(memoryData, (_src, _data) => {
        node.on(storageData, (_src, _data) => {
          if (detail?.readConcern === 'single') {
            node.send(node, considerInfo, {});
          } else {
            const peer = getPeer(node);
            node.on(qualifiedOpinions, (_src, info) => {
              node.send(node, considerInfo, info);
            });
            node.send(peer, seekTruth, { readConcern: 'single' });
          }
        });
        node.send(node.storage, requestStorageData);
      });

      await delay(1000);
      node.send(node.memory, requestMemoryData);
    });
  });

  webClient.on(qualifiedOpinions, (_src, _detail) => {
    webClient.setStatus('Received opinions and qualifications');
  });

  await delay(1000);
  webClient.setStatus('Seek truth');
  webClient.send(nodes[0], seekTruth);
}());