import { Actor } from './actor.js';

import { Action } from './action.js';
import { PostMessage } from './message.js';
import { CryptoUtil } from './crypto.js';

export class Expert extends Actor {
  constructor(name, scene) {
    super(name, scene);
    this.actions = {
      submitPostViaNetwork: new Action('submit post via network', scene),
      submitPost: new Action('submit post', scene),
      initiateValidationPool: new Action('initiate validation pool', scene),
      castVote: new Action('cast vote', scene),
      revealIdentity: new Action('reveal identity', scene),
      registerAvailability: new Action('register availability', scene),
      getAssignedWork: new Action('get assigned work', scene),
      submitWork: new Action('submit work evidence', scene),
    };
    this.validationPools = new Map();
  }

  async initialize() {
    this.reputationKey = await CryptoUtil.generateAsymmetricKey();
    // this.reputationPublicKey = await CryptoUtil.exportKey(this.reputationKey.publicKey);
    this.reputationPublicKey = this.name;
    this.status.set('Initialized');
    this.activate();
    return this;
  }

  async submitPostViaNetwork(forumNode, post, stake) {
    // TODO: Include fee
    const postMessage = new PostMessage({ post, stake });
    await postMessage.sign(this.reputationKey);
    this.actions.submitPostViaNetwork.log(this, forumNode, null, { id: post.id });
    // For now, directly call forumNode.receiveMessage();
    await forumNode.receiveMessage(JSON.stringify(postMessage.toJSON()));
  }

  async submitPost(forum, postContent) {
    // TODO: Include fee
    this.actions.submitPost.log(this, forum);
    return forum.addPost(this.reputationPublicKey, postContent);
  }

  async initiateValidationPool(bench, options) {
    // For now, directly call bench.initiateValidationPool();
    const signingKey = await CryptoUtil.generateAsymmetricKey();
    const signingPublicKey = await CryptoUtil.exportKey(signingKey.publicKey);
    this.actions.initiateValidationPool.log(
      this,
      bench,
      `(fee: ${options.fee})`,
    );
    const pool = bench.initiateValidationPool(this.reputationPublicKey, {
      ...options,
      signingPublicKey,
    });
    this.validationPools.set(pool.id, { signingPublicKey });
    return pool;
  }

  async castVote(validationPool, {
    position, stake, lockingTime, anonymous = true,
  }) {
    let signingPublicKey;
    if (anonymous) {
      const signingKey = await CryptoUtil.generateAsymmetricKey();
      signingPublicKey = await CryptoUtil.exportKey(signingKey.publicKey);
      this.validationPools.set(validationPool.id, { signingPublicKey });
    } else {
      signingPublicKey = this.reputationPublicKey;
    }
    // TODO: encrypt vote
    // TODO: sign message
    this.actions.castVote.log(
      this,
      validationPool,
      `(${position ? 'for' : 'against'}, stake: ${stake}, anonymous: ${anonymous})`,
    );
    return validationPool.castVote(signingPublicKey, {
      position, stake, lockingTime, anonymous,
    });
  }

  async revealIdentity(validationPool) {
    const { signingPublicKey } = this.validationPools.get(validationPool.id);
    // TODO: sign message
    this.actions.revealIdentity.log(this, validationPool);
    validationPool.revealIdentity(signingPublicKey, this.reputationPublicKey);
  }

  async registerAvailability(availability, stake) {
    this.actions.registerAvailability.log(this, availability, `(stake: ${stake})`);
    await availability.register(this.reputationPublicKey, stake);
  }

  async getAssignedWork(availability, business) {
    const requestId = await availability.getAssignedWork(this.reputationPublicKey);
    const request = await business.getRequest(requestId);
    return request;
  }

  async submitWork(business, requestId, evidence, { tokenLossRatio, duration }) {
    this.actions.submitWork.log(this, business);
    return business.submitWork(this.reputationPublicKey, requestId, evidence, { tokenLossRatio, duration });
  }
}