import type { JSX } from "solid-js";
import { splitProps } from "solid-js";
import { useNavigationMenuContext, useNavigationMenuItemContext } from "./navigation-menu-context";
import type { NavigationMenuTriggerProps } from "./navigation-menu.props";

/**
 * Button that opens the associated NavigationMenu.Content on click or hover.
 * Manages hover-intent via the root context's scheduleOpen/cancelAndClose.
 */
export function NavigationMenuTrigger(props: NavigationMenuTriggerProps): JSX.Element {
  const [local, rest] = splitProps(props, [
    "children",
    "onClick",
    "onPointerEnter",
    "onPointerLeave",
  ]);

  const ctx = useNavigationMenuContext();
  const itemCtx = useNavigationMenuItemContext();

  const handleClick: JSX.EventHandler<HTMLButtonElement, MouseEvent> = (e) => {
    if (typeof local.onClick === "function") local.onClick(e);
    const next = ctx.value() === itemCtx.value ? "" : itemCtx.value;
    ctx.setValue(next);
  };

  const handlePointerEnter: JSX.EventHandler<HTMLButtonElement, PointerEvent> = (e) => {
    if (typeof local.onPointerEnter === "function") local.onPointerEnter(e);
    ctx.scheduleOpen(itemCtx.value);
  };

  const handlePointerLeave: JSX.EventHandler<HTMLButtonElement, PointerEvent> = (e) => {
    if (typeof local.onPointerLeave === "function") local.onPointerLeave(e);
    ctx.cancelAndClose();
  };

  return (
    <button
      type="button"
      role="menuitem"
      data-scope="navigation-menu"
      data-part="trigger"
      aria-expanded={itemCtx.isActive()}
      data-active={itemCtx.isActive() ? "" : undefined}
      onClick={handleClick}
      onPointerEnter={handlePointerEnter}
      onPointerLeave={handlePointerLeave}
      {...rest}
    >
      {local.children}
    </button>
  );
}