const Component = require('react').Component
const PropTypes = require('react').PropTypes
const h = require('react-hyperscript')
const actions = require('../actions')
const genAccountLink = require('../../lib/account-link.js')
const connect = require('react-redux').connect
const Dropdown = require('./dropdown').Dropdown
const DropdownMenuItem = require('./dropdown').DropdownMenuItem
const Identicon = require('./identicon')
const ethUtil = require('ethereumjs-util')
const copyToClipboard = require('copy-to-clipboard')

class AccountDropdowns extends Component {
  constructor (props) {
    super(props)
    this.state = {
      accountSelectorActive: false,
      optionsMenuActive: false,
    }
  }

  renderAccounts () {
    const { identities, selected } = this.props

    return Object.keys(identities).map((key) => {
      const identity = identities[key]
      const isSelected = identity.address === selected

      return h(
        DropdownMenuItem,
        {
          closeMenu: () => {},
          onClick: () => {
            this.props.actions.showAccountDetail(identity.address)
          },
        },
        [
          h(
            Identicon,
            {
              address: identity.address,
              diameter: 16,
            },
          ),
          h('span', { style: { marginLeft: '10px' } }, identity.name || ''),
          h('span', { style: { marginLeft: '10px' } }, isSelected ? h('.check', '✓') : null),
        ]
      )
    })
  }

  renderAccountSelector () {
    const { actions } = this.props
    const { accountSelectorActive } = this.state

    return h(
      Dropdown,
      {
        style: {
          marginLeft: '-125px',
          minWidth: '180px',
        },
        isOpen: accountSelectorActive,
        onClickOutside: () => { this.setState({ accountSelectorActive: false }) },
      },
      [
        ...this.renderAccounts(),
        h(
          DropdownMenuItem,
          {
            closeMenu: () => {},
            onClick: () => actions.addNewAccount(),
          },
          [
            h(
              Identicon,
              {
                diameter: 16,
              },
            ),
            h('span', { style: { marginLeft: '10px' } }, 'Create Account'),
          ],
        ),
        h(
          DropdownMenuItem,
          {
            closeMenu: () => {},
            onClick: () => actions.showImportPage(),
          },
          [
            h(
              Identicon,
              {
                diameter: 16,
              },
            ),
            h('span', { style: { marginLeft: '10px' } }, 'Import Account'),
          ]
        ),
      ]
    )
  }

  renderAccountOptions () {
    const { actions } = this.props
    const { optionsMenuActive } = this.state

    return h(
      Dropdown,
      {
        style: {
          marginLeft: '-162px',
          minWidth: '180px',
        },
        isOpen: optionsMenuActive,
        onClickOutside: () => { this.setState({ optionsMenuActive: false }) },
      },
      [
        h(
          DropdownMenuItem,
          {
            closeMenu: () => {},
            onClick: () => actions.showConfigPage(),
          },
          'Account Settings',
        ),
        h(
          DropdownMenuItem,
          {
            closeMenu: () => {},
            onClick: () => {
              const { selected, network } = this.props
              const url = genAccountLink(selected, network)
              global.platform.openWindow({ url })
            },
          },
          'View account on Etherscan',
        ),
        h(
          DropdownMenuItem,
          {
            closeMenu: () => {},
            onClick: () => {
              const { selected } = this.props
              const checkSumAddress = selected && ethUtil.toChecksumAddress(selected)
              copyToClipboard(checkSumAddress)
            },
          },
          'Copy Address to clipboard',
        ),
        h(
          DropdownMenuItem,
          {
            closeMenu: () => {},
            onClick: () => {
              actions.requestAccountExport()
            },
          },
          'Export Private Key',
        ),
      ]
    )
  }

  render () {
    const { style } = this.props
    const { optionsMenuActive, accountSelectorActive } = this.state

    return h(
      'span',
      {
        style: style,
      },
      [
        h(
          'i.fa.fa-angle-down',
          {
            style: {},
            onClick: (event) => {
              event.stopPropagation()
              this.setState({
                accountSelectorActive: !accountSelectorActive,
                optionsMenuActive: false,
              })
            },
          },
          this.renderAccountSelector(),
        ),
        h(
          'i.fa.fa-ellipsis-h',
          {
            style: { 'marginLeft': '10px'},
            onClick: (event) => {
              event.stopPropagation()
              this.setState({
                accountSelectorActive: false,
                optionsMenuActive: !optionsMenuActive,
              })
            },
          },
          this.renderAccountOptions()
        ),
      ]
    )
  }
}

AccountDropdowns.propTypes = {
  identities: PropTypes.objectOf(PropTypes.object),
  selected: PropTypes.string,
}

const mapDispatchToProps = (dispatch) => {
  return {
    actions: {
      showConfigPage: () => dispatch(actions.showConfigPage()),
      requestAccountExport: () => dispatch(actions.requestExportAccount()),
      showAccountDetail: (address) => dispatch(actions.showAccountDetail(address)),
      addNewAccount: () => dispatch(actions.addNewAccount()),
      showImportPage: () => dispatch(actions.showImportPage()),
    },
  }
}

module.exports = {
  AccountDropdowns: connect(null, mapDispatchToProps)(AccountDropdowns),
}