import { Test, TestingModule } from "@nestjs/testing";
import { INestApplication } from "@nestjs/common";
import request from "supertest";
import { AppModule } from "../src/app.module";
import { PrismaService } from "../src/common/prisma/prisma.service";
import { BlockType } from "../src/authoring/types";
import { AuthGuard } from "@nestjs/passport";

describe("ModulesController (e2e)", () => {
  let app: INestApplication;
  let prisma: PrismaService;

  const testModuleCode = "TEST_DELIVERY_100";

  beforeAll(async () => {
    const moduleFixture: TestingModule = await Test.createTestingModule({
      imports: [AppModule],
    })
      .overrideGuard(AuthGuard("jwt"))
      .useValue({ canActivate: () => true })
      .compile();

    app = moduleFixture.createNestApplication();
    await app.init();

    prisma = app.get<PrismaService>(PrismaService);

    // Setup: Create a module with a quiz block containing correct answers
    // Ensure cleanup first
    await prisma.contentBlock.deleteMany({
      where: { section: { module: { code: testModuleCode } } },
    });
    await prisma.moduleSection.deleteMany({
      where: { module: { code: testModuleCode } },
    });
    await prisma.module.deleteMany({ where: { code: testModuleCode } });

    const module = await prisma.module.create({
      data: {
        code: testModuleCode,
        title: "Test Delivery Module",
        isPublished: true,
      },
    });

    const section = await prisma.moduleSection.create({
      data: {
        moduleId: module.id,
        title: "Section 1",
        order: 1,
      },
    });

    // Create a QUIZ block via Prisma directly (simulating ingestion)
    const quizPayload = {
      question: "What is 2+2?",
      choices: [
        { id: "a", text: "3", isCorrect: false },
        { id: "b", text: "4", isCorrect: true, feedback: "Correct!" },
      ],
      explanation: "Simple math.",
    };

    await prisma.contentBlock.create({
      data: {
        sectionId: section.id,
        type: BlockType.QUIZ,
        order: 1,
        payload: quizPayload,
      },
    });
  });

  afterAll(async () => {
    // Cleanup
    const module = await prisma.module.findUnique({
      where: { code: testModuleCode },
    });
    if (module) {
      await prisma.contentBlock.deleteMany({
        where: { section: { module: { code: testModuleCode } } },
      });
      await prisma.moduleSection.deleteMany({
        where: { module: { code: testModuleCode } },
      });
      await prisma.module.delete({ where: { code: testModuleCode } });
    }
    await app.close();
  });

  it("/modules/:code (GET) - Should return sanitized content", async () => {
    const res = await request(app.getHttpServer())
      .get(`/modules/${testModuleCode}`)
      .expect(200);

    const moduleData = res.body;
    expect(moduleData.code).toBe(testModuleCode);

    const quizBlock = moduleData.sections[0].blocks[0];
    expect(quizBlock.type).toBe(BlockType.QUIZ);

    // Check sanitization
    const choices = quizBlock.payload.choices;
    expect(choices).toHaveLength(2);
    expect(choices[0]).not.toHaveProperty("isCorrect");
    expect(choices[1]).not.toHaveProperty("isCorrect");
    expect(choices[1]).not.toHaveProperty("feedback"); // Should be removed
    expect(quizBlock.payload).not.toHaveProperty("explanation");
  });
});