import React from 'react';
import PropTypes from 'prop-types';
import { I18n } from '@lingui/react';
import { t } from '@lingui/macro';
import {
  Button as PFButton,
  Dropdown as PFDropdown,
  DropdownPosition,
  DropdownToggle,
  DropdownItem,
  TextInput as PFTextInput
} from '@patternfly/react-core';

import { SearchIcon } from '@patternfly/react-icons';

import styled from 'styled-components';

const TextInput = styled(PFTextInput)`
  min-height: 0px;
  height: 30px;
`;

const Button = styled(PFButton)`
  width: 34px;
  padding: 0px;
`;

const Dropdown = styled(PFDropdown)`
  &&& { /* Higher specificity required because we are selecting unclassed elements */
    > button {
      min-height: 30px;
      min-width: 70px;
      height: 30px;
      padding: 0 10px;
      margin: 0px;

      > span { /* text element */
        width: auto;
      }

      > svg { /* caret icon */
        margin: 0px;
        padding-top: 3px;
        padding-left: 3px;
      }
    }
  }  
`;
class Search extends React.Component {
  constructor (props) {
    super(props);

    const { sortedColumnKey } = this.props;
    this.state = {
      isSearchDropdownOpen: false,
      searchKey: sortedColumnKey,
      searchValue: '',
    };

    this.handleSearchInputChange = this.handleSearchInputChange.bind(this);
    this.handleDropdownToggle = this.handleDropdownToggle.bind(this);
    this.handleDropdownSelect = this.handleDropdownSelect.bind(this);
    this.handleSearch = this.handleSearch.bind(this);
  }

  handleDropdownToggle (isSearchDropdownOpen) {
    this.setState({ isSearchDropdownOpen });
  }

  handleDropdownSelect ({ target }) {
    const { columns } = this.props;
    const { innerText } = target;

    const { key: searchKey } = columns.find(({ name }) => name === innerText);
    this.setState({ isSearchDropdownOpen: false, searchKey });
  }

  handleSearch () {
    const { searchValue } = this.state;
    const { onSearch } = this.props;

    onSearch(searchValue);
  }

  handleSearchInputChange (searchValue) {
    this.setState({ searchValue });
  }

  render () {
    const { up } = DropdownPosition;
    const {
      columns
    } = this.props;
    const {
      isSearchDropdownOpen,
      searchKey,
      searchValue,
    } = this.state;

    const { name: searchColumnName } = columns.find(({ key }) => key === searchKey);

    const searchDropdownItems = columns
      .filter(({ key }) => key !== searchKey)
      .map(({ key, name }) => (
        <DropdownItem key={key} component="button">
          {name}
        </DropdownItem>
      ));

    return (
      <I18n>
        {({ i18n }) => (
          <div className="pf-c-input-group">
            <Dropdown
              onToggle={this.handleDropdownToggle}
              onSelect={this.handleDropdownSelect}
              direction={up}
              isOpen={isSearchDropdownOpen}
              toggle={(
                <DropdownToggle
                  id="awx-search"
                  onToggle={this.handleDropdownToggle}
                >
                  {searchColumnName}
                </DropdownToggle>
              )}
              dropdownItems={searchDropdownItems}
            />
            <TextInput
              type="search"
              aria-label="Search text input"
              value={searchValue}
              onChange={this.handleSearchInputChange}
              style={{ height: '30px' }}
            />
            <Button
              variant="tertiary"
              aria-label={i18n._(t`Search`)}
              onClick={this.handleSearch}
            >
              <SearchIcon />
            </Button>
          </div>
        )}
      </I18n>
    );
  }
}

Search.propTypes = {
  columns: PropTypes.arrayOf(PropTypes.object).isRequired,
  onSearch: PropTypes.func,
  sortedColumnKey: PropTypes.string,
};

Search.defaultProps = {
  onSearch: null,
  sortedColumnKey: 'name'
};

export default Search;
