import { expect, test } from "bun:test";
import {
	actionPrerenderNativeFlowSchema,
	NATIVE_FLOW_SESSION_OPT_IN,
	NATIVE_FLOW_SESSION_PROTOCOL,
	nativeFlowBlockSchema,
	nativeFlowInteractionSchema,
} from "./native-flow-session.js";

test("live draft sync requires the v2 opt-in and protocol", () => {
	expect(NATIVE_FLOW_SESSION_OPT_IN).toBe(
		"experimental.native-flow-session.v2",
	);
	expect(NATIVE_FLOW_SESSION_PROTOCOL).toBe("native-flow-session.v2");
	expect(
		nativeFlowInteractionSchema.safeParse({
			flowRunId: "run",
			nodeId: "page",
			intent: "draft",
			draft: { name: "Ada" },
		}).success,
	).toBe(true);
});

test("native semantic input has a bounded, closed grammar", () => {
	const command = {
		flowRunId: "run",
		nodeId: "page",
		intent: "continue",
		draft: { name: "" },
	};
	expect(nativeFlowInteractionSchema.safeParse(command).success).toBe(true);
	for (const invalid of [
		{ ...command, url: "https://example.com" },
		{ ...command, intent: "execute" },
		{ ...command, draft: { name: "x".repeat(4001) } },
		{ ...command, draft: { choice: ["one", "two"] } },
	])
		expect(nativeFlowInteractionSchema.safeParse(invalid).success).toBe(false);
});

test("native projection carries text and known controls, never arbitrary host props or srcdoc", () => {
	const block = { kind: "text", key: "name", label: "Name", required: true };
	expect(nativeFlowBlockSchema.safeParse(block).success).toBe(true);
	expect(
		nativeFlowBlockSchema.safeParse({ ...block, onPress: "action" }).success,
	).toBe(false);
	expect(
		nativeFlowBlockSchema.safeParse({
			kind: "image",
			key: "image",
			uri: "https://example.com",
		}).success,
	).toBe(false);
	expect(
		actionPrerenderNativeFlowSchema.safeParse({
			t: "getuserfeedback:action:prerenderNativeFlow",
			gen: 1,
			viewId: "view",
			instanceId: "instance",
			flowRunId: "run",
			srcdoc: "<html/>",
		}).success,
	).toBe(false);
});