/**
 *  Copyright (C) 2018 Basalt
    This file is part of Knapsack.
    Knapsack 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 2 of the License, or (at your option)
    any later version.

    Knapsack 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 Knapsack; if not, see <https://www.gnu.org/licenses>.
 */
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import {
  KsButton,
  ClearFilterButton,
  TypeToFilter,
  TypeToFilterInputWrapper,
  SchemaForm,
} from '@knapsack/design-system';
import { Link } from 'react-router-dom';
import PageBuilderEditForm from './page-builder-edit-form';
import PlaygroundSidebarPatternListItem from './page-builder-pattern-list-item';
import { PageBuilderContext } from './page-builder-context';
import { BASE_PATHS } from '../../../lib/constants';
import './page-builder-sidebar.scss';
import './shared/playground-schema-form.scss';

// Export of allowed sidebarContent states
export const SIDEBAR_DEFAULT = 'default';
export const SIDEBAR_FORM = 'form';
export const SIDEBAR_PATTERNS = 'patterns';

class PageBuilderSidebar extends Component {
  static contextType = PageBuilderContext;

  constructor(props) {
    super(props);
  }

  render() {
    if (this.props.sidebarContent === SIDEBAR_FORM) {
      const {
        slices,
        editFormSliceId,
        editFormSchema,
        editFormUiSchema,
      } = this.props;
      return (
        <PageBuilderEditForm
          schema={editFormSchema}
          uiSchema={editFormUiSchema}
          data={slices.find(s => s.id === editFormSliceId).data}
          handleChange={data => this.props.handleEditFormChange(data)}
          handleError={console.error}
          handleHideEditForm={this.props.handleHideEditForm}
          handleClearData={data => this.props.handleClearData(data)}
        />
      );
    }
    if (this.props.sidebarContent === SIDEBAR_PATTERNS) {
      const patterns = this.context.patterns.filter(pattern =>
        pattern.meta.uses.includes('inSlice'),
      );
      const items =
        this.props.filterTerm === ''
          ? patterns
          : patterns.filter(
              item =>
                item.meta.title
                  .toLowerCase()
                  .search(this.props.filterTerm.toLowerCase()) !== -1,
            );

      return (
        <div>
          <h4>Patterns</h4>
          <TypeToFilter>
            <h6 className="ks-eyebrow">Filter List</h6>
            <TypeToFilterInputWrapper>
              <input
                type="text"
                className="ks-type-to-filter"
                placeholder="Type to filter..."
                value={this.props.filterTerm}
                onChange={event => this.props.handleFilterChange(event)}
              />
              <ClearFilterButton
                onClick={this.props.handleFilterReset}
                onKeyPress={this.props.handleFilterReset}
                isVisible={!!this.props.filterTerm}
              />
            </TypeToFilterInputWrapper>
          </TypeToFilter>
          <ul className="ks-page-builder-sidebar__pattern-list-wrapper">
            {items.map(pattern => (
              <PlaygroundSidebarPatternListItem
                key={pattern.id}
                pattern={pattern}
              />
            ))}
          </ul>

          <KsButton
            onClick={this.props.handleCancelAddSlice}
            onKeyPress={this.props.handleCancelAddSlice}
            type="button"
            className="ks-button ks-button--color-white ks-button--size-small"
          >
            Cancel
          </KsButton>
        </div>
      );
    }
    return (
      <div>
        <h4>Page Builder</h4>
        <SchemaForm
          className="playground-schema-form"
          onChange={({ formData }) => this.props.handleMetaFormChange(formData)}
          formData={this.props.metaFormData}
          schema={{
            title: 'Metadata',
            type: 'object',
            properties: {
              title: {
                title: 'Page Title',
                type: 'string',
              },
              description: {
                title: 'Description',
                type: 'string',
              },
              hasVisibleControls: {
                title: 'Show Edit Controls',
                type: 'boolean',
                default: true,
              },
            },
          }}
          uiSchema={{
            description: {
              'ui:widget': 'textarea',
              'ui:options': {
                rows: 10,
              },
            },
          }}
        />
        <div style={{ display: 'flex' }}>
          {(this.context.isUserAbleToSave && (
            <KsButton
              type="submit"
              onKeyPress={() => this.props.handleSave()}
              onClick={() => this.props.handleSave()}
              primary
            >
              Save
            </KsButton>
          )) || (
            <KsButton type="submit" primary disabled>
              Save (disabled)
            </KsButton>
          )}
          <Link
            className="page-builder-sidebar__styled-link"
            to={BASE_PATHS.PAGE_BUILDER}
            style={{ marginLeft: '15px' }}
          >
            Back
          </Link>
        </div>
      </div>
    );
  }
}

PageBuilderSidebar.propTypes = {
  editFormSchema: PropTypes.object.isRequired,
  editFormUiSchema: PropTypes.object.isRequired,
  editFormSliceId: PropTypes.string.isRequired,
  filterTerm: PropTypes.string.isRequired,
  handleEditFormChange: PropTypes.func.isRequired,
  handleClearData: PropTypes.func.isRequired,
  handleCancelAddSlice: PropTypes.func.isRequired,
  handleFilterChange: PropTypes.func.isRequired,
  handleFilterReset: PropTypes.func.isRequired,
  handleHideEditForm: PropTypes.func.isRequired,
  handleMetaFormChange: PropTypes.func.isRequired,
  handleSave: PropTypes.func.isRequired,
  metaFormData: PropTypes.object.isRequired,
  sidebarContent: PropTypes.string.isRequired,
  slices: PropTypes.arrayOf(PropTypes.object).isRequired,
};

export default PageBuilderSidebar;