import type { ExtensionCommandContext } from "@earendil-works/pi-coding-agent";
import { Container, DynamicBorder, matchesKey, Text } from "@earendil-works/pi-tui";

/** Static bordered panel, closed with Esc/Enter. No-op outside TUI mode. */
export const showPanel = async (
	ctx: ExtensionCommandContext,
	body: string,
	footer = "Press Esc or Enter to close",
): Promise<void> => {
	if (ctx.mode !== "tui") return;

	await ctx.ui.custom((_tui, theme, _kb, done) => {
		const container = new Container();
		const border = new DynamicBorder((s: string) => theme.fg("accent", s));

		container.addChild(border);
		container.addChild(new Text(body, 1, 0));
		container.addChild(new Text(theme.fg("dim", footer), 1, 0));
		container.addChild(border);

		return {
			render: (width: number) => container.render(width),
			invalidate: () => container.invalidate(),
			handleInput: (data: string) => {
				if (matchesKey(data, "enter") || matchesKey(data, "escape")) {
					done(undefined);
				}
			},
		};
	});
};