import type {
	BuiltinWidgetKindInfo,
	WidgetDataResponse,
	WidgetInstance,
	WidgetInstanceInput,
} from "../types";

const API_BASE = "/api";

export async function fetchBuiltinWidgetKinds(): Promise<
	BuiltinWidgetKindInfo[]
> {
	const res = await fetch(`${API_BASE}/widgets/builtin`);
	if (!res.ok) throw new Error("Failed to fetch built-in widget kinds");
	return res.json();
}

export async function fetchWidgetInstances(): Promise<WidgetInstance[]> {
	const res = await fetch(`${API_BASE}/widgets/instances`);
	if (!res.ok) throw new Error("Failed to fetch widget instances");
	return res.json();
}

export async function createWidgetInstance(
	input: WidgetInstanceInput,
): Promise<WidgetInstance> {
	const res = await fetch(`${API_BASE}/widgets/instances`, {
		method: "POST",
		headers: { "Content-Type": "application/json" },
		body: JSON.stringify(input),
	});
	if (!res.ok) throw new Error("Failed to create widget instance");
	return res.json();
}

export async function updateWidgetInstance(
	input: WidgetInstanceInput,
): Promise<WidgetInstance> {
	if (!input.id) throw new Error("Widget ID is required for update");
	const res = await fetch(`${API_BASE}/widgets/instances/${input.id}`, {
		method: "PUT",
		headers: { "Content-Type": "application/json" },
		body: JSON.stringify(input),
	});
	if (!res.ok) throw new Error("Failed to update widget instance");
	return res.json();
}

export async function deleteWidgetInstance(
	widgetId: string,
): Promise<{ status: string }> {
	const res = await fetch(`${API_BASE}/widgets/instances/${widgetId}`, {
		method: "DELETE",
	});
	if (!res.ok) throw new Error("Failed to delete widget instance");
	return res.json();
}

export async function fetchWidgetData(
	widgetId: string,
): Promise<WidgetDataResponse> {
	const res = await fetch(`${API_BASE}/widgets/instances/${widgetId}/data`);
	if (!res.ok) throw new Error("Failed to fetch widget data");
	return res.json();
}