import { createContext, forwardRef } from 'react';
import styles from '@patternfly/react-styles/css/components/Card/card';
import { css } from '@patternfly/react-styles';
import { useOUIAProps, OUIAProps } from '../../helpers';

export interface CardProps extends React.HTMLProps<HTMLElement>, OUIAProps {
  /** Content rendered inside the Card */
  children?: React.ReactNode;
  /** ID of the Card. Also passed back in the CardHeader onExpand callback. */
  id?: string;
  /** Additional classes added to the Card */
  className?: string;
  /** Sets the base component to render. defaults to div */
  component?: keyof React.JSX.IntrinsicElements;
  /** Modifies the card to include compact styling. Should not be used with isLarge. */
  isCompact?: boolean;
  /** Flag indicating that the card is selectable. */
  isSelectable?: boolean;
  /** Flag indicating that the card is clickable and contains some action that triggers on click. */
  isClickable?: boolean;
  /** Flag indicating whether a card that is either selectable only or both clickable and selectable is
   * currently selected and has selected styling.
   */
  isSelected?: boolean;
  /** Flag indicating whether a card that is either only clickable or that is both clickable and selectable
   * is currently clicked and has clicked styling.
   */
  isClicked?: boolean;
  /** Flag indicating that a clickable or selectable card is disabled. */
  isDisabled?: boolean;
  /** Modifies the card to be large. Should not be used with isCompact. */
  isLarge?: boolean;
  /** Cause component to consume the available height of its container */
  isFullHeight?: boolean;
  /** Modifies the card to include plain styling; this removes border and background */
  isPlain?: boolean;
  /** Flag indicating if a card is expanded. Modifies the card to be expandable. */
  isExpanded?: boolean;
  /** Card background color variant */
  variant?: 'default' | 'secondary';
  /** Value to overwrite the randomly generated data-ouia-component-id.*/
  ouiaId?: number | string;
  /** Set the value of data-ouia-safe. Only set to true when the component is in a static state, i.e. no animations are occurring. At all other times, this value must be false. */
  ouiaSafe?: boolean;
  /** @hide Forwarded ref */
  innerRef?: React.Ref<any>;
}

interface CardContextProps {
  cardId: string;
  isExpanded: boolean;
  isClickable: boolean;
  isSelectable: boolean;
  isSelected: boolean;
  isClicked: boolean;
  isDisabled: boolean;
}

export const CardContext = createContext<Partial<CardContextProps>>({
  cardId: '',
  isExpanded: false,
  isClickable: false,
  isSelectable: false,
  isSelected: false,
  isClicked: false,
  isDisabled: false
});

const CardBase: React.FunctionComponent<CardProps> = ({
  children,
  id = '',
  className,
  component = 'div',
  isCompact = false,
  isSelectable = false,
  isClickable = false,
  isDisabled = false,
  isSelected = false,
  isClicked = false,
  isExpanded = false,
  isLarge = false,
  isFullHeight = false,
  isPlain = false,
  variant = 'default',
  ouiaId,
  ouiaSafe = true,
  innerRef,
  ...props
}: CardProps) => {
  const Component = component as any;
  const ouiaProps = useOUIAProps(Card.displayName, ouiaId, ouiaSafe);

  if (isCompact && isLarge) {
    // eslint-disable-next-line no-console
    console.warn('Card: Cannot use isCompact with isLarge. Defaulting to isCompact');
    isLarge = false;
  }

  const getSelectableModifiers = () => {
    if (isSelectable && isClickable) {
      return css(
        styles.modifiers.selectable,
        styles.modifiers.clickable,
        (isSelected || isClicked) && styles.modifiers.current
      );
    }

    if (isSelectable) {
      return css(styles.modifiers.selectable, isSelected && styles.modifiers.selected);
    }

    if (isClickable) {
      return css(styles.modifiers.clickable, isClicked && styles.modifiers.current);
    }

    return '';
  };

  return (
    <CardContext.Provider
      value={{
        cardId: id,
        isExpanded,
        isClickable,
        isSelectable,
        isSelected,
        isClicked,
        isDisabled
      }}
    >
      <Component
        ref={innerRef}
        id={id}
        className={css(
          styles.card,
          isCompact && styles.modifiers.compact,
          isExpanded && styles.modifiers.expanded,
          isLarge && styles.modifiers.displayLg,
          isFullHeight && styles.modifiers.fullHeight,
          isPlain && styles.modifiers.plain,
          variant === 'secondary' && styles.modifiers.secondary,
          getSelectableModifiers(),
          isDisabled && styles.modifiers.disabled,
          className
        )}
        {...props}
        {...ouiaProps}
      >
        {children}
      </Component>
    </CardContext.Provider>
  );
};

export const Card = forwardRef((props: CardProps, ref: React.Ref<any>) => <CardBase {...props} innerRef={ref} />);

Card.displayName = 'Card';