import * as React from 'react';
import styles from '@patternfly/react-styles/css/components/Toolbar/toolbar';
import { css } from '@patternfly/react-styles';
import { ToolbarContentContext, ToolbarContext } from './ToolbarUtils';
import { formatBreakpointMods } from '../../helpers/util';
import { PageContext } from '../Page/PageContext';

export interface ToolbarContentProps extends React.HTMLProps<HTMLDivElement> {
  /** Classes applied to root element of the data toolbar content row */
  className?: string;
  /** Visibility at various breakpoints. */
  visibility?: {
    default?: 'hidden' | 'visible';
    md?: 'hidden' | 'visible';
    lg?: 'hidden' | 'visible';
    xl?: 'hidden' | 'visible';
    '2xl'?: 'hidden' | 'visible';
  };
  /** Vertical alignment of children */
  alignItems?: 'start' | 'center' | 'baseline' | 'default';
  /** Content to be rendered as children of the content row */
  children?: React.ReactNode;
  /** Flag indicating if a data toolbar toggle group's expandable content is expanded */
  isExpanded?: boolean;
  /** Optional callback for clearing all filters in the toolbar */
  clearAllFilters?: () => void;
  /** Flag indicating that the clear all filters button should be visible */
  showClearFiltersButton?: boolean;
  /** Text to display in the clear all filters button */
  clearFiltersButtonText?: string;
  /** Id of the parent Toolbar component */
  toolbarId?: string;
}

class ToolbarContent extends React.Component<ToolbarContentProps> {
  static displayName = 'ToolbarContent';
  private expandableContentRef = React.createRef<HTMLDivElement>();
  private labelContainerRef = React.createRef<HTMLDivElement>();
  private static currentId = 0;

  static defaultProps: ToolbarContentProps = {
    isExpanded: false,
    showClearFiltersButton: false
  };

  render() {
    const {
      className,
      children,
      isExpanded,
      toolbarId,
      visibility,
      alignItems,
      clearAllFilters,
      showClearFiltersButton,
      clearFiltersButtonText,
      ...props
    } = this.props;

    return (
      <PageContext.Consumer>
        {({ width, getBreakpoint }) => (
          <div
            className={css(
              styles.toolbarContent,
              formatBreakpointMods(visibility, styles, '', getBreakpoint(width)),
              className
            )}
            ref={this.expandableContentRef}
            {...props}
          >
            <ToolbarContext.Consumer>
              {({
                clearAllFilters: clearAllFiltersContext,
                clearFiltersButtonText: clearFiltersButtonContext,
                showClearFiltersButton: showClearFiltersButtonContext,
                isExpanded: isExpandedContext,
                toolbarId: toolbarIdContext
              }) => {
                const expandableContentId = `${
                  toolbarId || toolbarIdContext
                }-expandable-content-${ToolbarContent.currentId++}`;
                return (
                  <ToolbarContentContext.Provider
                    value={{
                      expandableContentRef: this.expandableContentRef,
                      expandableContentId,
                      labelContainerRef: this.labelContainerRef,
                      isExpanded: isExpanded || isExpandedContext,
                      clearAllFilters: clearAllFilters || clearAllFiltersContext,
                      clearFiltersButtonText: clearFiltersButtonText || clearFiltersButtonContext,
                      showClearFiltersButton: showClearFiltersButton || showClearFiltersButtonContext
                    }}
                  >
                    <div
                      className={css(
                        styles.toolbarContentSection,
                        alignItems === 'center' && styles.modifiers.alignItemsCenter,
                        alignItems === 'start' && styles.modifiers.alignItemsStart,
                        alignItems === 'baseline' && styles.modifiers.alignItemsBaseline
                      )}
                    >
                      {children}
                    </div>
                  </ToolbarContentContext.Provider>
                );
              }}
            </ToolbarContext.Consumer>
          </div>
        )}
      </PageContext.Consumer>
    );
  }
}

export { ToolbarContent };