const promptly = require('promptly');
const Table = require('cli-table');

const { ethers } = require("hardhat");
const Kredits = require('../lib/kredits');

async function main() {
  kredits = new Kredits(hre.ethers.provider, hre.ethers.provider.getSigner())
  await kredits.init();

  console.log(`Using Contribution at: ${kredits.Contribution.contract.address}`);

  const table = new Table({
    head: ['ID', 'Name', 'Kredits']
  })

  let currentBlockNumber = await kredits.provider.getBlockNumber();
  console.log(`Current block number: ${currentBlockNumber}`);

  let confirmedBeforeBlock = await promptly.prompt('Before block: ');
  let confirmedAfterBlock = await promptly.prompt('After block: ');

  let tokens = {};
  let contributors = await kredits.Contributor.all();
  contributors.forEach(c => {
    tokens[c.id] = { amount: 0, contributor: c };
  });

  let contributionId = await kredits.Contribution.contract.contributionsCount();
  let nextContribution = true;

  while (nextContribution) {
    console.log(`Getting contribution: ${contributionId}`);
    let contribution = await kredits.Contribution.getById(contributionId);
    contributionId = contributionId - 1;

    // if no conribution is found
    if (!contribution.exists) {
      nextContribution = false;
      break;
    }
    // check if the contribution is older
    // in that case we assume all other contributions now are older
    if (contribution.confirmedAtBlock < confirmedAfterBlock) {
      nextContribution = false;
    }

    // if the contribution is within the range count it
    if (!contribution.vetoed && contribution.confirmedAtBlock < confirmedBeforeBlock && contribution.confirmedAtBlock > confirmedAfterBlock) {
      // init
      tokens[contribution.contributorId].amount = tokens[contribution.contributorId].amount + contribution.amount;
    }
  }

  Object.keys(tokens).forEach((contributorId) => {
    table.push([
      contributorId,
      `${tokens[contributorId].contributor.name}`,
      `${tokens[contributorId].amount}`
    ]);
  });

  const total = Object.keys(tokens).map(cid => { return tokens[cid].amount}).reduce((a,b) => { return a+b }, 0);
  console.log(`Total confirmed Kredits: ${total} between block ${confirmedAfterBlock} and ${confirmedBeforeBlock}`);
  console.log(table.toString());
}

main();