import { expect, test } from "bun:test";
import { randomUUID } from "node:crypto";
import { WidgetRequestHandler } from "@/widgetrequesthandler/handler";
import { VoidLogger } from "@/shared/t";
import { WidgetRequest, WidgetRequestT } from "@/shared/schema";
import {
  ProcessorResponse,
  WidgetRequestProcessor,
} from "@/widgetrequesthandler/processors";

const testWidget = () =>
  WidgetRequest.parse({
    type: "create",
    requestId: randomUUID(),
    owner: "simponic",
    widgetId: randomUUID(),
  });

test("when invalid body then returns 400", async () => {
  const logger = new VoidLogger();
  const mockProcessor = {} as unknown as WidgetRequestProcessor;
  const request = new Request("http://localhost");

  const handler = new WidgetRequestHandler(mockProcessor, logger);
  const response = await handler.handleRequest(request);
  expect(response.status).toBe(400);
});

test("when processor fails then returns 500", async () => {
  const logger = new VoidLogger();
  const mockProcessor = {
    async handle(_widgetRequest: WidgetRequestT) {
      throw new Error("failure");
    },
  } as unknown as WidgetRequestProcessor;

  const newWidgetRequest = testWidget();
  const request = new Request("http://localhost", {
    body: JSON.stringify({ event: newWidgetRequest }),
  });

  const handler = new WidgetRequestHandler(mockProcessor, logger);
  const response = await handler.handleRequest(request);
  const responseBody = (await response.json()) as ProcessorResponse;

  expect(response.status).toBe(500);
  expect(responseBody.success).toBe(false);
});

test("when processor succeeds and correct widget request then returns 200", async () => {
  const logger = new VoidLogger();
  const message = randomUUID();
  const mockProcessor = {
    async handle(_widgetRequest: WidgetRequestT) {
      return { success: true, message };
    },
  } as unknown as WidgetRequestProcessor;

  const newWidgetRequest = testWidget();
  const request = new Request("http://localhost", {
    body: JSON.stringify({ event: newWidgetRequest }),
  });

  const handler = new WidgetRequestHandler(mockProcessor, logger);
  const response = await handler.handleRequest(request);
  const responseBody = (await response.json()) as ProcessorResponse;

  expect(response.status).toBe(200);
  expect(responseBody.success).toBe(true);
  expect(responseBody.message).toBe(message);
});