import { strict as assert } from 'assert'
import migration48 from '../../../app/scripts/migrations/048'

const localhostNetwork = {
  rpcUrl: 'http://localhost:8545',
  chainId: '0x539',
  ticker: 'ETH',
  nickname: 'Localhost 8545',
  rpcPrefs: {},
}
const expectedPreferencesState = {
  PreferencesController: {
    frequentRpcListDetail: [{
      ...localhostNetwork,
    }],
  },
}

describe('migration #48', function () {
  it('should update the version metadata', async function () {
    const oldStorage = {
      'meta': {
        'version': 47,
      },
      'data': {},
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.meta, {
      'version': 48,
    })
  })

  it('should delete NetworkController.settings', async function () {
    const oldStorage = {
      meta: {},
      data: {
        NetworkController: {
          settings: {
            fizz: 'buzz',
          },
          provider: {
            type: 'notRpc',
          },
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      NetworkController: {
        provider: {
          type: 'notRpc',
        },
      },
      foo: 'bar',
    })
  })

  it('should migrate NetworkController.provider to Rinkeby if the type is "rpc" and the chainId is invalid (1)', async function () {
    const oldStorage = {
      meta: {},
      data: {
        NetworkController: {
          provider: {
            type: 'rpc',
            chainId: 'foo',
            fizz: 'buzz',
          },
          foo: 'bar',
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      NetworkController: {
        provider: {
          type: 'rinkeby',
          rpcUrl: '',
          chainId: '0x4',
          nickname: '',
          rpcPrefs: {},
          ticker: 'ETH',
        },
        foo: 'bar',
      },
      foo: 'bar',
    })
  })

  it('should migrate NetworkController.provider to Rinkeby if the type is "rpc" and the chainId is invalid (2)', async function () {
    const oldStorage = {
      meta: {},
      data: {
        NetworkController: {
          provider: {
            type: 'rpc',
            chainId: '0x01',
            fizz: 'buzz',
          },
          foo: 'bar',
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      NetworkController: {
        provider: {
          type: 'rinkeby',
          rpcUrl: '',
          chainId: '0x4',
          nickname: '',
          rpcPrefs: {},
          ticker: 'ETH',
        },
        foo: 'bar',
      },
      foo: 'bar',
    })
  })

  it('should not migrate NetworkController.provider to Rinkeby if the type is "rpc" and the chainId is valid', async function () {
    const oldStorage = {
      meta: {},
      data: {
        NetworkController: {
          provider: {
            type: 'rpc',
            chainId: '0x1',
            fizz: 'buzz',
          },
          foo: 'bar',
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      NetworkController: {
        provider: {
          type: 'rpc',
          chainId: '0x1',
          fizz: 'buzz',
        },
        foo: 'bar',
      },
      foo: 'bar',
    })
  })

  it('should migrate NetworkController.provider to Rinkeby if the type is "localhost"', async function () {
    const oldStorage = {
      meta: {},
      data: {
        NetworkController: {
          provider: {
            type: 'localhost',
            fizz: 'buzz',
          },
          foo: 'bar',
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      NetworkController: {
        provider: {
          type: 'rinkeby',
          rpcUrl: '',
          chainId: '0x4',
          nickname: '',
          rpcPrefs: {},
          ticker: 'ETH',
        },
        foo: 'bar',
      },
      foo: 'bar',
    })
  })

  it('should re-key NetworkController.provider.rpcTarget to rpcUrl if the type is not "rpc" or "localhost"', async function () {
    const oldStorage = {
      meta: {},
      data: {
        NetworkController: {
          provider: {
            type: 'someType',
            rpcTarget: 'foo.xyz',
            fizz: 'buzz',
          },
          foo: 'bar',
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      NetworkController: {
        foo: 'bar',
        provider: {
          type: 'someType',
          rpcUrl: 'foo.xyz',
          fizz: 'buzz',
        },
      },
      foo: 'bar',
    })
  })

  it('should do nothing to NetworkController if affected state does not exist', async function () {
    const oldStorage = {
      meta: {},
      data: {
        NetworkController: {
          provider: {
            type: 'notRpc',
          },
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(
      { ...expectedPreferencesState, ...oldStorage.data },
      { ...expectedPreferencesState, ...newStorage.data },
    )
  })

  it('should add frequentRpcListDetail item to beginning of list', async function () {
    const existingList = [
      { rpcUrl: 'foo', chainId: '0x1' },
      { rpcUrl: 'bar', chainId: '0x2' },
    ]

    const oldStorage = {
      meta: {},
      data: {
        PreferencesController: {
          frequentRpcListDetail: [
            ...existingList,
          ],
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      PreferencesController: {
        frequentRpcListDetail: [
          { ...localhostNetwork },
          ...existingList,
        ],
      },
      foo: 'bar',
    })
  })

  it('should delete CachedBalancesController.cachedBalances', async function () {
    const oldStorage = {
      meta: {},
      data: {
        CachedBalancesController: {
          cachedBalances: {
            fizz: 'buzz',
          },
          bar: {
            baz: 'buzz',
          },
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      CachedBalancesController: {
        bar: {
          baz: 'buzz',
        },
      },
      foo: 'bar',
    })
  })

  it('should convert hex transaction metamaskNetworkId values to decimal', async function () {
    const oldStorage = {
      meta: {},
      data: {
        TransactionController: {
          transactions: [
            { fizz: 'buzz' },
            null,
            undefined,
            0,
            '',
            { foo: 'bar', metamaskNetworkId: '1' },
            { foo: 'bar', metamaskNetworkId: '0x1' },
            { foo: 'bar', metamaskNetworkId: 'kaplar' },
            { foo: 'bar', metamaskNetworkId: '0X2a' },
            { foo: 'bar', metamaskNetworkId: '3' },
          ],
          bar: {
            baz: 'buzz',
          },
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      TransactionController: {
        transactions: [
          { fizz: 'buzz' },
          null,
          undefined,
          0,
          '',
          { foo: 'bar', metamaskNetworkId: '1' },
          { foo: 'bar', metamaskNetworkId: '1' },
          { foo: 'bar', metamaskNetworkId: 'kaplar' },
          { foo: 'bar', metamaskNetworkId: '42' },
          { foo: 'bar', metamaskNetworkId: '3' },
        ],
        bar: {
          baz: 'buzz',
        },
      },
      foo: 'bar',
    })
  })

  it('should migrate the address book', async function () {
    const oldStorage = {
      meta: {},
      data: {
        AddressBookController: {
          addressBook: {
            '1': {
              'address1': {
                chainId: '1',
                foo: 'bar',
              },
            },
            '100': {
              'address1': {
                chainId: '100',
                foo: 'bar',
              },
            },
            '0x2': {
              'address2': {
                chainId: '0x2',
                foo: 'bar',
              },
            },
          },
          bar: {
            baz: 'buzz',
          },
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      AddressBookController: {
        addressBook: {
          '0x1': {
            'address1': {
              chainId: '0x1',
              foo: 'bar',
            },
          },
          '0x64': {
            'address1': {
              chainId: '0x64',
              foo: 'bar',
            },
          },
          '0x2': {
            'address2': {
              chainId: '0x2',
              foo: 'bar',
            },
          },
        },
        bar: {
          baz: 'buzz',
        },
      },
      foo: 'bar',
    })
  })

  it('should migrate the address book and merge entries', async function () {
    const oldStorage = {
      meta: {},
      data: {
        AddressBookController: {
          addressBook: {
            '2': {
              'address1': {
                chainId: '2',
                key2: 'kaplar',
                key3: 'value3',
                key4: null,
                foo: 'bar',
              },
              'address2': {
                chainId: '2',
                foo: 'bar',
              },
            },
            '0x2': {
              'address1': {
                chainId: '0x2',
                key1: 'value1',
                key2: 'value2',
                foo: 'bar',
              },
              'address3': {
                chainId: '0x2',
                foo: 'bar',
              },
            },
          },
          bar: {
            baz: 'buzz',
          },
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      AddressBookController: {
        addressBook: {
          '0x2': {
            'address1': {
              chainId: '0x2',
              key1: 'value1',
              key2: 'value2',
              key3: 'value3',
              key4: '',
              foo: 'bar',
            },
            'address2': {
              chainId: '0x2',
              foo: 'bar',
            },
            'address3': {
              chainId: '0x2',
              foo: 'bar',
            },
          },
        },
        bar: {
          baz: 'buzz',
        },
      },
      foo: 'bar',
    })
  })

  it('should not modify address book if all entries are valid or un-parseable', async function () {
    const oldStorage = {
      meta: {},
      data: {
        AddressBookController: {
          addressBook: {
            '0x1': { foo: { bar: 'baz' } },
            'kaplar': { foo: { bar: 'baz' } },
          },
          bar: {
            baz: 'buzz',
          },
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      AddressBookController: {
        addressBook: {
          '0x1': { foo: { bar: 'baz' } },
          'kaplar': { foo: { bar: 'baz' } },
        },
        bar: {
          baz: 'buzz',
        },
      },
      foo: 'bar',
    })
  })

  it('should delete localhost key in IncomingTransactionsController', async function () {
    const oldStorage = {
      meta: {},
      data: {
        IncomingTransactionsController: {
          incomingTxLastFetchedBlocksByNetwork: {
            fizz: 'buzz',
            localhost: {},
          },
          bar: 'baz',
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      IncomingTransactionsController: {
        incomingTxLastFetchedBlocksByNetwork: {
          fizz: 'buzz',
        },
        bar: 'baz',
      },
      foo: 'bar',
    })
  })

  it('should not modify IncomingTransactionsController state if affected key is missing', async function () {
    const oldStorage = {
      meta: {},
      data: {
        IncomingTransactionsController: {
          incomingTxLastFetchedBlocksByNetwork: {
            fizz: 'buzz',
            rpc: {},
          },
          bar: 'baz',
        },
        foo: 'bar',
      },
    }

    const newStorage = await migration48.migrate(oldStorage)
    assert.deepEqual(newStorage.data, {
      ...expectedPreferencesState,
      IncomingTransactionsController: {
        incomingTxLastFetchedBlocksByNetwork: {
          fizz: 'buzz',
          rpc: {},
        },
        bar: 'baz',
      },
      foo: 'bar',
    })
  })
})