// Integration tests for /notes — Drizzle ORM direct on real DB

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

Deno.test({
  name: "integration notes: list all notes",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "PROMO-2024" }]);
    const [s] = await seedStudents([{ nom: "Dupont", prenom: "Jean", idPromo: "PROMO-2024" }]);
    await seedModules([{ id: "MOD101", nom: "Module A" }]);
    await seedNotes([{ numEtud: s.numEtud, idModule: "MOD101", note: 15.5 }]);
    const rows = await testDb.select().from(notes);
    assertEquals(rows.length, 1);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "integration notes: create and retrieve by composite key",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "PROMO-2024" }]);
    const [s] = await seedStudents([{ nom: "Martin", prenom: "Alice", idPromo: "PROMO-2024" }]);
    await seedModules([{ id: "MOD102", nom: "Module B" }]);

    const [created] = await testDb.insert(notes).values({ numEtud: s.numEtud, idModule: "MOD102", note: 12.0 }).returning();
    assertExists(created);
    assertEquals(created.note, 12.0);

    const row = await testDb
      .select()
      .from(notes)
      .where(and(eq(notes.numEtud, s.numEtud), eq(notes.idModule, "MOD102")))
      .then((r) => r[0] ?? null);
    assertExists(row);
    assertEquals(row.note, 12.0);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "integration notes: get by composite key returns null when not found",
  async fn() {
    await truncateAll();
    const row = await testDb
      .select()
      .from(notes)
      .where(and(eq(notes.numEtud, 99999), eq(notes.idModule, "GHOST")))
      .then((r) => r[0] ?? null);
    assertEquals(row, null);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "integration notes: duplicate composite key insert fails",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "PROMO-2024" }]);
    const [s] = await seedStudents([{ nom: "Durand", prenom: "Claire", idPromo: "PROMO-2024" }]);
    await seedModules([{ id: "MOD103", nom: "Module C" }]);
    await seedNotes([{ numEtud: s.numEtud, idModule: "MOD103", note: 10.0 }]);
    await assertRejects(() =>
      testDb.insert(notes).values({ numEtud: s.numEtud, idModule: "MOD103", note: 11.0 })
    );
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "integration notes: update note value",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "PROMO-2024" }]);
    const [s] = await seedStudents([{ nom: "Bernard", prenom: "Lucie", idPromo: "PROMO-2024" }]);
    await seedModules([{ id: "MOD104", nom: "Module D" }]);
    await seedNotes([{ numEtud: s.numEtud, idModule: "MOD104", note: 8.0 }]);

    const [updated] = await testDb
      .update(notes)
      .set({ note: 16.0 })
      .where(and(eq(notes.numEtud, s.numEtud), eq(notes.idModule, "MOD104")))
      .returning();
    assertEquals(updated.note, 16.0);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});

Deno.test({
  name: "integration notes: delete removes the note",
  async fn() {
    await truncateAll();
    await seedPromotions([{ id: "PROMO-2024" }]);
    const [s] = await seedStudents([{ nom: "Thomas", prenom: "Eva", idPromo: "PROMO-2024" }]);
    await seedModules([{ id: "MOD105", nom: "Module E" }]);
    await seedNotes([{ numEtud: s.numEtud, idModule: "MOD105", note: 14.0 }]);

    await testDb.delete(notes).where(and(eq(notes.numEtud, s.numEtud), eq(notes.idModule, "MOD105")));
    const row = await testDb
      .select()
      .from(notes)
      .where(and(eq(notes.numEtud, s.numEtud), eq(notes.idModule, "MOD105")))
      .then((r) => r[0] ?? null);
    assertEquals(row, null);
  },
  sanitizeResources: false,
  sanitizeOps: false,
});