'use strict';

var chai = chai || require('chai');
var should = chai.should();
var bitcore = bitcore || require('bitcore');
try {
  var copay = require('copay'); //browser
} catch (e) {
  var copay = require('../copay'); //node
}
var Structure = require('../js/models/core/Structure');

describe('Structure model', function() {
  it('should have the correct constants', function() {
    Structure.MAX_NON_HARDENED.should.equal(Math.pow(2, 31) - 1);
    Structure.SHARED_INDEX.should.equal(Structure.MAX_NON_HARDENED);
    Structure.ID_INDEX.should.equal(Structure.SHARED_INDEX - 1);
    Structure.IdFullBranch.should.equal('m/45\'/2147483646/0/0');
  });

  it('should get the correct branches', function() {
    // shared branch (no cosigner index specified)
    Structure.FullBranch(0, false).should.equal('m/45\'/2147483647/0/0');

    // copayer 0, address 0, external address (receiving)
    Structure.FullBranch(0, false, 0).should.equal('m/45\'/0/0/0');

    // copayer 0, address 10, external address (receiving)
    Structure.FullBranch(0, false, 10).should.equal('m/45\'/10/0/0');

    // copayer 0, address 0, internal address (change)
    Structure.FullBranch(0, true, 0).should.equal('m/45\'/0/1/0');

    // copayer 0, address 10, internal address (change)
    Structure.FullBranch(10, true, 0).should.equal('m/45\'/0/1/10');

    // copayer 7, address 10, internal address (change)
    Structure.FullBranch(10, true, 7).should.equal('m/45\'/7/1/10');
  });

  [
    ['m/45\'/0/0/0', {index: 0, isChange: false}],
    ['m/45\'/0/0/1', {index: 1, isChange: false}],
    ['m/45\'/0/0/2', {index: 2, isChange: false}],
    ['m/45\'/0/1/0', {index: 0, isChange: true}],
    ['m/45\'/0/1/1', {index: 1, isChange: true}],
    ['m/45\'/0/1/2', {index: 2, isChange: true}],
    ['m/45\'/0/0/900', {index: 900, isChange: false}],
  ].forEach(function(datum) {
    var path = datum[0];
    var result = datum[1];
    it('should get the correct indices for path ' + path, function() {
      var i = Structure.indicesForPath(path);
      i.index.should.equal(result.index);
      i.isChange.should.equal(result.isChange);
    });
  });

});