// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
// This file is part of Parity.

// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Parity.  If not, see <http://www.gnu.org/licenses/>.

import React, { Component, PropTypes } from 'react';
import ContentAdd from 'material-ui/svg-icons/content/add';
import ContentClear from 'material-ui/svg-icons/content/clear';

import { Button, Modal, Form, Input, InputAddress } from '~/ui';
import { ERRORS, validateAddress, validateName } from '~/util/validation';

export default class AddAddress extends Component {
  static contextTypes = {
    api: PropTypes.object.isRequired
  }

  static propTypes = {
    contacts: PropTypes.object.isRequired,
    address: PropTypes.string,
    onClose: PropTypes.func
  };

  state = {
    address: '',
    addressError: ERRORS.invalidAddress,
    name: '',
    nameError: ERRORS.invalidName,
    description: ''
  };

  componentWillMount () {
    if (this.props.address) {
      this.onEditAddress(null, this.props.address);
    }
  }

  render () {
    return (
      <Modal
        visible
        actions={ this.renderDialogActions() }
        title='add saved address'>
        { this.renderFields() }
      </Modal>
    );
  }

  renderDialogActions () {
    const { addressError, nameError } = this.state;
    const hasError = !!(addressError || nameError);

    return ([
      <Button
        icon={ <ContentClear /> }
        label='Cancel'
        onClick={ this.onClose } />,
      <Button
        icon={ <ContentAdd /> }
        label='Save Address'
        disabled={ hasError }
        onClick={ this.onAdd } />
    ]);
  }

  renderFields () {
    const { address, addressError, description, name, nameError } = this.state;

    return (
      <Form>
        <InputAddress
          label='network address'
          hint='the network address for the entry'
          error={ addressError }
          value={ address }
          disabled={ !!this.props.address }
          allowCopy={ false }
          onChange={ this.onEditAddress } />
        <Input
          label='address name'
          hint='a descriptive name for the entry'
          error={ nameError }
          value={ name }
          onChange={ this.onEditName } />
        <Input
          multiLine
          rows={ 1 }
          label='(optional) address description'
          hint='an expanded description for the entry'
          value={ description }
          onChange={ this.onEditDescription } />
      </Form>
    );
  }

  onEditAddress = (event, _address) => {
    const { contacts } = this.props;
    let { address, addressError } = validateAddress(_address);

    if (!addressError) {
      const contact = contacts[address];

      if (contact) {
        addressError = ERRORS.duplicateAddress;
      }
    }

    this.setState({
      address,
      addressError
    });
  }

  onEditDescription = (event, description) => {
    this.setState({
      description
    });
  }

  onEditName = (event, _name) => {
    const { name, nameError } = validateName(_name);

    this.setState({
      name,
      nameError
    });
  }

  onAdd = () => {
    const { api } = this.context;
    const { address, name, description } = this.state;

    Promise.all([
      api.parity.setAccountName(address, name),
      api.parity.setAccountMeta(address, {
        description,
        timestamp: Date.now(),
        deleted: false
      })
    ]).catch((error) => {
      console.error('onAdd', error);
    });

    this.props.onClose();
  }

  onClose = () => {
    this.props.onClose();
  }
}