import type { JSX } from 'solid-js';
import { createComponent, mergeProps } from 'solid-js';
import { omitProps } from 'solid-use/props';
import type { DisclosureStateRenderProps } from '../../states/create-disclosure-state';
import { DisclosureStateChild, useDisclosureState } from '../../states/create-disclosure-state';
import createDynamic from '../../utils/create-dynamic';
import type { UnmountableProps } from '../../utils/create-unmountable';
import { createUnmountable } from '../../utils/create-unmountable';
import type { DynamicProps, HeadlessProps, ValidConstructor } from '../../utils/dynamic-prop';
import { createDisabledState, createExpandedState } from '../../utils/state-props';
import type { Prettify } from '../../utils/types';
import { useDisclosureContext } from './DisclosureContext';
import { DISCLOSURE_PANEL_TAG } from './tags';

export type DisclosurePanelBaseProps = Prettify<DisclosureStateRenderProps & UnmountableProps>;

export type DisclosurePanelProps<T extends ValidConstructor = 'div'> = HeadlessProps<
  T,
  DisclosurePanelBaseProps
>;

/**
 * The section a `Disclosure` shows and hides. Unmounts while closed unless
 * `unmount={false}` is set.
 *
 * Renders a `<div>` by default.
 *
 * @see {@link https://github.com/lxsmnsyc/terracotta/blob/main/docs/components/disclosure.md}
 */
export function DisclosurePanel<T extends ValidConstructor = 'div'>(
  props: DisclosurePanelProps<T>,
): JSX.Element {
  const context = useDisclosureContext('DisclosurePanel');
  const state = useDisclosureState();

  return createUnmountable(
    props,
    () => state.isOpen(),
    () =>
      createDynamic(
        () => props.as ?? ('div' as T),
        mergeProps(
          DISCLOSURE_PANEL_TAG,
          {
            id: context.panelID,
            get children() {
              return createComponent(DisclosureStateChild, {
                get children() {
                  return props.children;
                },
              });
            },
          },
          createDisabledState(() => state.disabled()),
          createExpandedState(() => state.isOpen()),
          omitProps(props, ['as', 'unmount', 'children']),
        ) as DynamicProps<T>,
      ),
  );
}