import { Action } from './action.js';
import { PostMessage } from './message.js';
import { CryptoUtil } from './crypto.js';
import { ReputationHolder } from './reputation-holder.js';

export class Expert extends ReputationHolder {
  constructor(name, scene) {
    super(undefined, 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),
      stake: new Action('stake on post', 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();
    this.tokens = [];
  }

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

  async submitPostViaNetwork(forumNode, post, stake) {
    // TODO: Include fee
    const postMessage = new PostMessage({ post, stake });
    await postMessage.sign(this.reputationKey);
    await 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
    await this.actions.submitPost.log(this, forum);
    return forum.addPost(this.reputationPublicKey, postContent);
  }

  async submitPostWithFee(bench, forum, postContent, poolOptions) {
    await this.actions.submitPost.log(this, forum);
    const postId = await forum.addPost(this.reputationPublicKey, postContent);
    const pool = await this.initiateValidationPool(bench, { ...poolOptions, postId, anonymous: false });
    this.tokens.push(pool.tokenId);
    return { postId, pool };
  }

  async initiateValidationPool(bench, poolOptions) {
    // For now, directly call bench.initiateValidationPool();
    poolOptions.reputationPublicKey = this.reputationPublicKey;
    await this.actions.initiateValidationPool.log(
      this,
      bench,
      `(fee: ${poolOptions.fee}, stake: ${poolOptions.authorStakeAmount ?? 0})`,
    );
    const pool = await bench.initiateValidationPool(poolOptions);
    this.tokens.push(pool.tokenId);
    this.validationPools.set(pool.id, poolOptions);
    return pool;
  }

  async stake(validationPool, {
    position, amount, lockingTime,
  }) {
    // TODO: encrypt stake
    // TODO: sign message
    await this.actions.stake.log(
      this,
      validationPool,
      `(${position ? 'for' : 'against'}, stake: ${amount})`,
    );
    return validationPool.stake(this, {
      position, amount, lockingTime, tokenId: this.tokens[0],
    });
  }

  async registerAvailability(availability, stakeAmount) {
    await this.actions.registerAvailability.log(this, availability, `(stake: ${stakeAmount})`);
    await availability.register({ stakeAmount, tokenId: this.tokens[0].id });
  }

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