// #113 - E2E tests for /modules endpoints

import { assertEquals } from "@std/assert";
import {
  makeContextWithAffiliation,
  makeEmployeeContext,
  makeGetRequest,
  makeJsonRequest,
} from "../helpers/handler.ts";
import { seedModules, truncateAll } from "../helpers/db_integration.ts";
import { handler as modulesHandler } from "$apps/admin/api/modules.ts";
import { handler as moduleHandler } from "$apps/admin/api/modules/[idModule].ts";

// --- GET /modules ---

Deno.test({
  name: "e2e modules: GET /modules returns all as employee",
  async fn() {
    await truncateAll();
    await seedModules([{ id: "MATH101", nom: "Mathématiques" }, {
      id: "INFO101",
      nom: "Informatique",
    }]);
    const res = await modulesHandler.GET!(
      makeGetRequest("/modules"),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.length, 2);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e modules: GET /modules returns all for non-employee",
  async fn() {
    await truncateAll();
    await seedModules([{ id: "MATH101", nom: "Mathématiques" }]);
    const res = await modulesHandler.GET!(
      makeGetRequest("/modules"),
      makeContextWithAffiliation("student"),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.length, 1);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- POST /modules ---

Deno.test({
  name: "e2e modules: POST /modules creates module (201)",
  async fn() {
    await truncateAll();
    const res = await modulesHandler.POST!(
      makeJsonRequest("/modules", "POST", { id: "PHYS101", nom: "Physique" }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 201);
    const body = await res.json();
    assertEquals(body.id, "PHYS101");
    assertEquals(body.nom, "Physique");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e modules: POST /modules 409 on duplicate id",
  async fn() {
    await truncateAll();
    await seedModules([{ id: "MATH101", nom: "Mathématiques" }]);
    const res = await modulesHandler.POST!(
      makeJsonRequest("/modules", "POST", { id: "MATH101", nom: "Doublon" }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 409);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e modules: POST /modules 400 on missing fields",
  async fn() {
    await truncateAll();
    const res = await modulesHandler.POST!(
      makeJsonRequest("/modules", "POST", { id: "X" }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 400);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e modules: POST /modules 403 for non-employee",
  async fn() {
    await truncateAll();
    const res = await modulesHandler.POST!(
      makeJsonRequest("/modules", "POST", { id: "X", nom: "Y" }),
      makeContextWithAffiliation("student"),
    );
    assertEquals(res.status, 403);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- GET /modules/:id ---

Deno.test({
  name: "e2e modules: GET /modules/:id returns module",
  async fn() {
    await truncateAll();
    await seedModules([{ id: "ELEC201", nom: "Électronique" }]);
    const res = await moduleHandler.GET!(
      makeGetRequest("/modules/ELEC201"),
      makeEmployeeContext({ idModule: "ELEC201" }),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.nom, "Électronique");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e modules: GET /modules/:id 404 when not found",
  async fn() {
    await truncateAll();
    const res = await moduleHandler.GET!(
      makeGetRequest("/modules/GHOST"),
      makeEmployeeContext({ idModule: "GHOST" }),
    );
    assertEquals(res.status, 404);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- PUT /modules/:id ---

Deno.test({
  name: "e2e modules: PUT /modules/:id updates nom",
  async fn() {
    await truncateAll();
    await seedModules([{ id: "CHIM101", nom: "Chimie" }]);
    const res = await moduleHandler.PUT!(
      makeJsonRequest("/modules/CHIM101", "PUT", { nom: "Chimie organique" }),
      makeEmployeeContext({ idModule: "CHIM101" }),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.nom, "Chimie organique");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e modules: PUT /modules/:id 404 when not found",
  async fn() {
    await truncateAll();
    const res = await moduleHandler.PUT!(
      makeJsonRequest("/modules/GHOST", "PUT", { nom: "X" }),
      makeEmployeeContext({ idModule: "GHOST" }),
    );
    assertEquals(res.status, 404);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- DELETE /modules/:id ---

Deno.test({
  name: "e2e modules: DELETE /modules/:id returns 204",
  async fn() {
    await truncateAll();
    await seedModules([{ id: "BIO101", nom: "Biologie" }]);
    const res = await moduleHandler.DELETE!(
      makeGetRequest("/modules/BIO101"),
      makeEmployeeContext({ idModule: "BIO101" }),
    );
    assertEquals(res.status, 204);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e modules: DELETE /modules/:id 404 when not found",
  async fn() {
    await truncateAll();
    const res = await moduleHandler.DELETE!(
      makeGetRequest("/modules/GHOST"),
      makeEmployeeContext({ idModule: "GHOST" }),
    );
    assertEquals(res.status, 404);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});