// #110 - E2E tests for /promotions endpoints

import { assertEquals } from "@std/assert";
import {
  makeContextWithAffiliation,
  makeEmployeeContext,
  makeGetRequest,
  makeJsonRequest,
} from "../helpers/handler.ts";
import { seedPromotions, truncateAll } from "../helpers/db_integration.ts";
import { handler as promotionsHandler } from "$apps/students/api/promotions.ts";
import { handler as promotionHandler } from "$apps/students/api/promotions/[idPromo].ts";

// --- GET /promotions ---

Deno.test({
  name: "e2e promotions: GET /promotions returns all as employee",
  async fn() {
    await truncateAll();
    await seedPromotions([
      { id: "PEIP1-2024", annee: "2024" },
      { id: "PEIP2-2024", annee: "2024" },
    ]);
    const res = await promotionsHandler.GET!(
      makeGetRequest("/promotions"),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.length, 2);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e promotions: GET /promotions returns empty for non-employee",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "PEIP1-2024", annee: "2024" }]);
    const res = await promotionsHandler.GET!(
      makeGetRequest("/promotions"),
      makeContextWithAffiliation("student"),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.length, 0);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- POST /promotions ---

Deno.test({
  name: "e2e promotions: POST /promotions creates promotion (201)",
  async fn() {
    await truncateAll();
    const res = await promotionsHandler.POST!(
      makeJsonRequest("/promotions", "POST", {
        idPromo: "INFO3-2025",
        annee: "2025",
      }),
      makeEmployeeContext(),
    );
    assertEquals(res.status, 201);
    const body = await res.json();
    assertEquals(body.id, "INFO3-2025");
    assertEquals(body.annee, "2025");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e promotions: POST /promotions 403 for non-employee",
  async fn() {
    await truncateAll();
    const res = await promotionsHandler.POST!(
      makeJsonRequest("/promotions", "POST", { idPromo: "X", annee: "2025" }),
      makeContextWithAffiliation("student"),
    );
    assertEquals(res.status, 403);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

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

// --- GET /promotions/:idPromo ---

Deno.test({
  name: "e2e promotions: GET /promotions/:id returns promotion",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "INFO3-2024", annee: "2024" }]);
    const res = await promotionHandler.GET!(
      makeGetRequest("/promotions/INFO3-2024"),
      makeEmployeeContext({ idPromo: "INFO3-2024" }),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.id, "INFO3-2024");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

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

Deno.test({
  name: "e2e promotions: GET /promotions/:id 403 for non-employee",
  async fn() {
    await truncateAll();
    const res = await promotionHandler.GET!(
      makeGetRequest("/promotions/INFO3-2024"),
      makeContextWithAffiliation("student", { idPromo: "INFO3-2024" }),
    );
    assertEquals(res.status, 403);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- PUT /promotions/:idPromo ---

Deno.test({
  name: "e2e promotions: PUT /promotions/:id updates annee",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "INFO3-2023", annee: "2023" }]);
    const res = await promotionHandler.PUT!(
      makeJsonRequest("/promotions/INFO3-2023", "PUT", { annee: "2024" }),
      makeEmployeeContext({ idPromo: "INFO3-2023" }),
    );
    assertEquals(res.status, 200);
    const body = await res.json();
    assertEquals(body.annee, "2024");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "e2e promotions: PUT /promotions/:id 404 when not found",
  async fn() {
    await truncateAll();
    const res = await promotionHandler.PUT!(
      makeJsonRequest("/promotions/GHOST", "PUT", { annee: "2025" }),
      makeEmployeeContext({ idPromo: "GHOST" }),
    );
    assertEquals(res.status, 404);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

// --- DELETE /promotions/:idPromo ---

Deno.test({
  name: "e2e promotions: DELETE /promotions/:id returns 204",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "INFO3-2022", annee: "2022" }]);
    const res = await promotionHandler.DELETE!(
      makeGetRequest("/promotions/INFO3-2022"),
      makeEmployeeContext({ idPromo: "INFO3-2022" }),
    );
    assertEquals(res.status, 204);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

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