var Voting = artifacts.require("./Voting.sol");
module.exports = function(deployer) {
  deployer.deploy(Voting, ['Rama', 'Nick', 'Jose'], {gas: 6700000});
};

// Import the page's CSS. Webpack will know what to do with it.
import "../stylesheets/app.css";

// Import libraries we need.
import { default as Web3} from 'web3';
import { default as contract } from 'truffle-contract'

/*
 * When you compile and deploy your Voting contract,
 * truffle stores the abi and deployed address in a json
 * file in the build directory. We will use this information
 * to setup a Voting abstraction. We will use this abstraction
 * later to create an instance of the Voting contract.
 * Compare this against the index.js from our previous tutorial to see the difference
 * https://gist.github.com/maheshmurthy/f6e96d6b3fff4cd4fa7f892de8a1a1b4#file-index-js
 */

import voting_artifacts from '../../build/contracts/Voting.json'

var Voting = contract(voting_artifacts);

let candidates = {"Rama": "candidate-1", "Nick": "candidate-2", "Jose": "candidate-3"}

window.voteForCandidate = function(candidate) {
  let candidateName = $("#candidate").val();
  try {
    $("#msg").html("Vote has been submitted. The vote count will increment as soon as the vote is recorded on the blockchain. Please wait.")
    $("#candidate").val("");

    /* Voting.deployed() returns an instance of the contract. Every call
     * in Truffle returns a promise which is why we have used then()
     * everywhere we have a transaction call
     */
    Voting.deployed().then(function(contractInstance) {
      contractInstance.voteForCandidate(candidateName, {gas: 140000, from: web3.eth.accounts[0]}).then(function() {
        let div_id = candidates[candidateName];
        return contractInstance.totalVotesFor.call(candidateName).then(function(v) {
          $("#" + div_id).html(v.toString());
          $("#msg").html("");
        });
      });
    });
  } catch (err) {
    console.log(err);
  }
}

$( document ).ready(function() {
  if (typeof web3 !== 'undefined') {
    console.warn("Using web3 detected from external source like Metamask")
    // Use Mist/MetaMask's provider
    window.web3 = new Web3(web3.currentProvider);
  } else {
    console.warn("No web3 detected. Falling back to http://localhost:8545. You should remove this fallback when you deploy live, as it's inherently insecure. Consider switching to Metamask for development. More info here: http://truffleframework.com/tutorials/truffle-and-metamask");
    // fallback - use your fallback strategy (local node / hosted node + in-dapp id mgmt / fail)
    window.web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));
  }

  Voting.setProvider(web3.currentProvider);
  let candidateNames = Object.keys(candidates);
  for (var i = 0; i < candidateNames.length; i++) {
    let name = candidateNames[i];
    Voting.deployed().then(function(contractInstance) {
      contractInstance.totalVotesFor.call(name).then(function(v) {
        $("#" + candidates[name]).html(v.toString());
      });
    })
  }
});

$ truffle console
truffle(default)> Voting.deployed().then(function(contractInstance) {contractInstance.voteForCandidate('Rama').then(function(v) {console.log(v)})})
// After a few seconds, you should see a transaction receipt like this:
receipt:
{ blockHash: '0x7229f668db0ac335cdd0c4c86e0394a35dd471a1095b8fafb52ebd7671433156',
blockNumber: 469628,
contractAddress: null,
....
....
truffle(default)> Voting.deployed().then(function(contractInstance) {contractInstance.totalVotesFor.call('Rama').then(function(v) {console.log(v)})})
{ [String: '1'] s: 1, e: 0, c: [ 1] }