var assert = require('assert')
var ConfigManager = require('../../app/scripts/lib/config-manager')
var configManager

describe('config-manager', function() {

  before(function() {
    window.localStorage = {} // Hacking localStorage support into JSDom
    configManager = new ConfigManager()
  })

  describe('#setConfig', function() {
    window.localStorage = {} // Hacking localStorage support into JSDom

    it('should set the config key', function () {
      var testConfig = {
        provider: {
          type: 'rpc',
          rpcTarget: 'foobar'
        }
      }
      configManager.setConfig(testConfig)
      var result = configManager.getData()

      assert.equal(result.config.provider.type, testConfig.provider.type)
      assert.equal(result.config.provider.rpcTarget, testConfig.provider.rpcTarget)
    })

    it('setting wallet should not overwrite config', function() {
      var testConfig = {
        provider: {
          type: 'rpc',
          rpcTarget: 'foobar'
        }
      }
      configManager.setConfig(testConfig)

      var testWallet = {
        name: 'this is my fake wallet'
      }
      configManager.setWallet(testWallet)

      var result = configManager.getData()
      assert.equal(result.wallet.name, testWallet.name, 'wallet name is set')
      assert.equal(result.config.provider.rpcTarget, testConfig.provider.rpcTarget)

      testConfig.provider.type = 'something else!'
      configManager.setConfig(testConfig)

      result = configManager.getData()
      assert.equal(result.wallet.name, testWallet.name, 'wallet name is set')
      assert.equal(result.config.provider.rpcTarget, testConfig.provider.rpcTarget)
      assert.equal(result.config.provider.type, testConfig.provider.type)
    })
  })

  describe('rpc manipulations', function() {
    it('changing rpc should return a different rpc', function() {
      var firstRpc = 'first'
      var secondRpc = 'second'

      configManager.setRpcTarget(firstRpc)
      var firstResult = configManager.getCurrentRpcAddress()
      assert.equal(firstResult, firstRpc)

      configManager.setRpcTarget(secondRpc)
      var secondResult = configManager.getCurrentRpcAddress()
      assert.equal(secondResult, secondRpc)
    })
  })
})