// E2E tests for /enseignements endpoints — handler + real DB

import { assertEquals, assertExists } from "@std/assert";
import {
  makeContextWithAffiliation,
  makeEmployeeContext,
  makeGetRequest,
  makeJsonRequest,
} from "../helpers/handler.ts";
import {
  seedEnseignements,
  seedModules,
  seedPromotions,
  seedUsers,
  truncateAll,
} from "../helpers/db_integration.ts";
import { handler as enseignementsHandler } from "$apps/admin/api/enseignements.ts";
import { handler as enseignementHandler } from "$apps/admin/api/enseignements/[idProf]/[idModule]/[idPromo].ts";

// --- POST /enseignements ---

Deno.test({
  name:
    "e2e enseignements: POST /enseignements creates enseignement (201) as employee",
  async fn() {
    await truncateAll();
    await seedUsers([{ id: "prof.dupont", nom: "Dupont", prenom: "Jean" }]);
    await seedModules([{ id: "M1", nom: "Mod A" }]);
    await seedPromotions([{ id: "P1" }]);
    const res = await enseignementsHandler.POST!(
      makeJsonRequest("/enseignements", "POST", {
        idProf: "prof.dupont",
        idModule: "M1",
        idPromo: "P1",
      }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 201);
    const body = await res.json();
    assertExists(body.idProf);
    assertEquals(body.idModule, "M1");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e enseignements: POST /enseignements 403 for non-employee",
  async fn() {
    await truncateAll();
    const res = await enseignementsHandler.POST!(
      makeJsonRequest("/enseignements", "POST", {
        idProf: "p",
        idModule: "M1",
        idPromo: "P1",
      }),
      makeContextWithAffiliation("student"),
    );
    assertEquals(res.status, 403);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e enseignements: POST /enseignements 400 on missing fields",
  async fn() {
    await truncateAll();
    const res = await enseignementsHandler.POST!(
      makeJsonRequest("/enseignements", "POST", { idProf: "prof.dupont" }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 400);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e enseignements: POST /enseignements 409 on duplicate",
  async fn() {
    await truncateAll();
    await seedUsers([{ id: "prof.dupont", nom: "Dupont", prenom: "Jean" }]);
    await seedModules([{ id: "M1", nom: "Mod A" }]);
    await seedPromotions([{ id: "P1" }]);
    await seedEnseignements([{
      idProf: "prof.dupont",
      idModule: "M1",
      idPromo: "P1",
    }]);
    const res = await enseignementsHandler.POST!(
      makeJsonRequest("/enseignements", "POST", {
        idProf: "prof.dupont",
        idModule: "M1",
        idPromo: "P1",
      }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 409);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- GET /enseignements/:idProf/:idModule/:idPromo ---

Deno.test({
  name:
    "e2e enseignements: GET /enseignements/:idProf/:idModule/:idPromo returns enseignement (employee)",
  async fn() {
    await truncateAll();
    await seedUsers([{ id: "prof.dupont", nom: "Dupont", prenom: "Jean" }]);
    await seedModules([{ id: "M1", nom: "Mod A" }]);
    await seedPromotions([{ id: "P1" }]);
    await seedEnseignements([{
      idProf: "prof.dupont",
      idModule: "M1",
      idPromo: "P1",
    }]);
    const res = await enseignementHandler.GET!(
      makeGetRequest("/enseignements/prof.dupont/M1/P1"),
      makeEmployeeContext({
        idProf: "prof.dupont",
        idModule: "M1",
        idPromo: "P1",
      }),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.idProf, "prof.dupont");
    assertEquals(body.idModule, "M1");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name:
    "e2e enseignements: GET /enseignements/:idProf/:idModule/:idPromo 403 for non-employee",
  async fn() {
    await truncateAll();
    const res = await enseignementHandler.GET!(
      makeGetRequest("/enseignements/p/M1/P1"),
      makeContextWithAffiliation("student", {
        idProf: "p",
        idModule: "M1",
        idPromo: "P1",
      }),
    );
    assertEquals(res.status, 403);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

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

// --- DELETE /enseignements/:idProf/:idModule/:idPromo ---

Deno.test({
  name:
    "e2e enseignements: DELETE /enseignements/:idProf/:idModule/:idPromo returns 204 (employee)",
  async fn() {
    await truncateAll();
    await seedUsers([{ id: "prof.dupont", nom: "Dupont", prenom: "Jean" }]);
    await seedModules([{ id: "M1", nom: "Mod A" }]);
    await seedPromotions([{ id: "P1" }]);
    await seedEnseignements([{
      idProf: "prof.dupont",
      idModule: "M1",
      idPromo: "P1",
    }]);
    const res = await enseignementHandler.DELETE!(
      makeGetRequest("/enseignements/prof.dupont/M1/P1"),
      makeEmployeeContext({
        idProf: "prof.dupont",
        idModule: "M1",
        idPromo: "P1",
      }),
    );
    assertEquals(res.status, 204);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name:
    "e2e enseignements: DELETE /enseignements/:idProf/:idModule/:idPromo 403 for non-employee",
  async fn() {
    await truncateAll();
    const res = await enseignementHandler.DELETE!(
      makeGetRequest("/enseignements/p/M1/P1"),
      makeContextWithAffiliation("student", {
        idProf: "p",
        idModule: "M1",
        idPromo: "P1",
      }),
    );
    assertEquals(res.status, 403);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

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