import { assertEquals, assertExists } from "@std/assert";
import {
  seedPromotions,
  testDb,
  truncateAll,
} from "../helpers/db_integration.ts";
import { promotions } from "$root/databases/schema.ts";
import { eq } from "npm:drizzle-orm@0.45.2";

Deno.test({
  name: "integration: GET /promotions - returns all promotions",
  async fn() {
    await truncateAll();
    await seedPromotions([
      { id: "PEIP1-2024", annee: "2024" },
      { id: "PEIP2-2024", annee: "2024" },
    ]);

    const rows = await testDb.select().from(promotions);
    assertEquals(rows.length, 2);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "integration: POST /promotions - creates a promotion",
  async fn() {
    await truncateAll();

    const [created] = await testDb
      .insert(promotions)
      .values({ id: "PEIP1-2025", annee: "2025" })
      .returning();

    assertExists(created);
    assertEquals(created.id, "PEIP1-2025");
    assertEquals(created.annee, "2025");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "integration: GET /promotions/:id - returns a specific promotion",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "INFO3-2024", annee: "2024" }]);

    const row = await testDb
      .select()
      .from(promotions)
      .where(eq(promotions.id, "INFO3-2024"))
      .then((r) => r[0] ?? null);

    assertExists(row);
    assertEquals(row.id, "INFO3-2024");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "integration: GET /promotions/:id - returns null when not found",
  async fn() {
    await truncateAll();

    const row = await testDb
      .select()
      .from(promotions)
      .where(eq(promotions.id, "NONEXISTENT"))
      .then((r) => r[0] ?? null);

    assertEquals(row, null);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "integration: PUT /promotions/:id - updates a promotion",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "INFO3-2023", annee: "2023" }]);

    const [updated] = await testDb
      .update(promotions)
      .set({ annee: "2024" })
      .where(eq(promotions.id, "INFO3-2023"))
      .returning();

    assertExists(updated);
    assertEquals(updated.annee, "2024");
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "integration: DELETE /promotions/:id - deletes a promotion",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "INFO3-2022", annee: "2022" }]);

    const [deleted] = await testDb
      .delete(promotions)
      .where(eq(promotions.id, "INFO3-2022"))
      .returning();

    assertExists(deleted);

    const row = await testDb
      .select()
      .from(promotions)
      .where(eq(promotions.id, "INFO3-2022"))
      .then((r) => r[0] ?? null);

    assertEquals(row, null);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});