const request = require("supertest");
const app = require("../src/app");
const prisma = require("../src/config/prisma");
const jwt = require("jsonwebtoken");
const bcrypt = require("bcrypt");

jest.mock("../src/config/mailer", () => ({ sendMail: jest.fn().mockResolvedValue(true) }));

const emails = { adm: "v-adm@test.local", emp: "v-emp@test.local", a: "v-a@test.local", b: "v-b@test.local" };
const CODES = ["VERIFTICK1", "VERIFTICK2", "VERIFTICK3", "VERIFTICK4", "VERIFTICK5"];
const DAY = 86400000;
let ctx = {};
const log = (...a) => console.log("  ", ...a);

async function cleanup() {
  const us = await prisma.user.findMany({ where: { email: { in: [...Object.values(emails), "v-r1@test.local", "v-r2@test.local"] } } });
  const ids = us.map((u) => u.id);
  const ps = await prisma.participation.findMany({ where: { userId: { in: ids } } });
  await prisma.claim.deleteMany({ where: { participationId: { in: ps.map((p) => p.id) } } });
  await prisma.participation.deleteMany({ where: { userId: { in: ids } } });
  await prisma.grandPrizeWinner.deleteMany({ where: { userId: { in: ids } } });
  await prisma.ticket.deleteMany({ where: { code: { in: CODES } } });
  await prisma.user.deleteMany({ where: { id: { in: ids } } });
}

const setStart = (d) =>
  prisma.gameSettings.update({ where: { id: ctx.settings.id }, data: { startDate: new Date(Date.now() - d * DAY) } });


// Un tirage reel peut exister en base : la table GrandPrizeWinner est unique
// pour tout le jeu. On la met de cote le temps du test, puis on la restaure.
async function mettreDeCoteLeGagnant() {
  const existant = await prisma.grandPrizeWinner.findFirst();
  if (existant) await prisma.grandPrizeWinner.delete({ where: { id: existant.id } });
  return existant;
}

async function restaurerLeGagnant(sauvegarde) {
  if (!sauvegarde) return;
  await prisma.grandPrizeWinner.deleteMany({});
  await prisma.grandPrizeWinner.create({
    data: {
      id: sauvegarde.id,
      userId: sauvegarde.userId,
      prize: sauvegarde.prize,
      drawnAt: sauvegarde.drawnAt,
    },
  });
}

beforeAll(async () => {
  ctx.gagnantSauvegarde = await mettreDeCoteLeGagnant();
  await cleanup();
  ctx.settings = await prisma.gameSettings.findFirst({ orderBy: { id: "asc" } });
  ctx.orig = ctx.settings.startDate;
  const lot = await prisma.lot.findFirst({ orderBy: { id: "asc" } });
  for (const c of CODES) await prisma.ticket.create({ data: { code: c, lotId: lot.id } });
  const h = await bcrypt.hash("Password123", 10);
  const mk = (e, r) => prisma.user.create({ data: { firstname: "V", lastname: r, email: e, password: h, role: r, isEmailVerified: true } });
  ctx.adm = await mk(emails.adm, "ADMIN");
  ctx.emp = await mk(emails.emp, "EMPLOYEE");
  ctx.a = await mk(emails.a, "CLIENT");
  ctx.b = await mk(emails.b, "CLIENT");
  const tk = (u) => jwt.sign({ id: u.id, role: u.role }, process.env.JWT_SECRET, { expiresIn: "1h" });
  ctx.tadm = tk(ctx.adm);
  ctx.temp = tk(ctx.emp);
  ctx.ta = tk(ctx.a);
  ctx.tb = tk(ctx.b);
});

afterAll(async () => {
  await restaurerLeGagnant(ctx.gagnantSauvegarde);
  await prisma.gameSettings.update({ where: { id: ctx.settings.id }, data: { startDate: ctx.orig } });
  await cleanup();
  await prisma.$disconnect();
});

describe("VERIFICATION DES 7 CORRECTIFS", () => {
  test("#1 ADMIN peut lancer le jeu", async () => {
    const futur = new Date(Date.now() + 5 * DAY).toISOString();
    const r = await request(app).put("/api/admin/game-settings").set("Authorization", `Bearer ${ctx.tadm}`).send({ startDate: futur });
    log("PUT game-settings ->", r.status, r.body.message);
    expect(r.status).toBe(200);

    const g = await request(app).get("/api/admin/game-settings").set("Authorization", `Bearer ${ctx.tadm}`).expect(200);
    log("GET game-settings -> participation ouverte :", g.body.gameWindow.isParticipationOpen, "(jeu pas encore commence)");

    const bad = await request(app).put("/api/admin/game-settings").set("Authorization", `Bearer ${ctx.tadm}`).send({ startDate: "pas-une-date" });
    log("date invalide ->", bad.status, bad.body.message);
    expect(bad.status).toBe(400);

    const nonAdmin = await request(app).put("/api/admin/game-settings").set("Authorization", `Bearer ${ctx.ta}`).send({ startDate: futur });
    log("client tente de lancer le jeu ->", nonAdmin.status);
    expect(nonAdmin.status).toBe(403);
  });

  test("#2 participation refusee apres 30 jours", async () => {
    await setStart(45);
    const r = await request(app).post("/api/game/participate").set("Authorization", `Bearer ${ctx.ta}`).send({ code: CODES[0] });
    log("jour 45 ->", r.status, r.body.message);
    expect(r.status).toBe(410);

    await setStart(1);
    const ok = await request(app).post("/api/game/participate").set("Authorization", `Bearer ${ctx.ta}`).send({ code: CODES[0] });
    log("jour 1  ->", ok.status, ok.body.message || "accepte");
    expect(ok.status).toBe(201);
    ctx.claimId = ok.body.claim.id;
  });

  test("#3 expiration derivee et reversible", async () => {
    await setStart(70);
    const g1 = await request(app).get("/api/game/my-gains").set("Authorization", `Bearer ${ctx.ta}`).expect(200);
    log("jour 70, statut affiche :", g1.body.gains.map((g) => g.claimStatus).join(","));
    expect(g1.body.gains[0].claimStatus).toBe("CANCELLED");

    const enBase = await prisma.claim.findUnique({ where: { id: ctx.claimId } });
    log("statut REEL en base     :", enBase.status, "(non ecrase)");
    expect(enBase.status).toBe("PENDING");

    await setStart(1);
    const g2 = await request(app).get("/api/game/my-gains").set("Authorization", `Bearer ${ctx.ta}`).expect(200);
    log("retour jour 1, statut   :", g2.body.gains.map((g) => g.claimStatus).join(","), "(reversible)");
    expect(g2.body.gains[0].claimStatus).toBe("PENDING");
  });

  test("#4 tirage refuse pendant le jeu", async () => {
    await setStart(1);
    const r = await request(app).post("/api/admin/draw").set("Authorization", `Bearer ${ctx.tadm}`);
    log("tirage pendant le jeu ->", r.status, r.body.message);
    expect(r.status).toBe(409);

    await setStart(35);
    const r2 = await request(app).post("/api/admin/draw").set("Authorization", `Bearer ${ctx.tadm}`);
    log("tirage apres cloture  ->", r2.status, r2.body.message, r2.body.totalEligibleParticipants ? `(${r2.body.totalEligibleParticipants} eligibles)` : "");
    expect(r2.status).toBe(201);

    await prisma.grandPrizeWinner.deleteMany({ where: { userId: { in: [ctx.a.id, ctx.b.id] } } });
    await setStart(1);
  });

  test("#5 admin et employe ne peuvent plus jouer", async () => {
    const r1 = await request(app).post("/api/game/participate").set("Authorization", `Bearer ${ctx.tadm}`).send({ code: CODES[1] });
    const r2 = await request(app).post("/api/game/participate").set("Authorization", `Bearer ${ctx.temp}`).send({ code: CODES[1] });
    log("ADMIN   ->", r1.status, r1.body.message);
    log("EMPLOYE ->", r2.status, r2.body.message);
    expect(r1.status).toBe(403);
    expect(r2.status).toBe(403);

    const t = await prisma.ticket.findUnique({ where: { code: CODES[1] } });
    log("le ticket reste vierge :", t.isUsed === false);
    expect(t.isUsed).toBe(false);
  });

  test("#6 suppression de compte ne remet pas le ticket en jeu", async () => {
    await request(app).post("/api/game/participate").set("Authorization", `Bearer ${ctx.tb}`).send({ code: CODES[2] }).expect(201);
    await request(app).delete("/api/auth/account").set("Authorization", `Bearer ${ctx.tb}`).expect(200);

    const t = await prisma.ticket.findUnique({ where: { code: CODES[2] } });
    log("apres suppression : isUsed =", t.isUsed, "| userId =", t.userId);
    expect(t.isUsed).toBe(true);

    const rejoue = await request(app).post("/api/game/participate").set("Authorization", `Bearer ${ctx.ta}`).send({ code: CODES[2] });
    log("tentative de rejouer le code ->", rejoue.status, rejoue.body.message);
    expect(rejoue.status).toBe(409);
  });

  test("#7 course sur un meme code", async () => {
    const h = await bcrypt.hash("Password123", 10);
    const c1 = await prisma.user.create({ data: { firstname: "R", lastname: "1", email: "v-r1@test.local", password: h, role: "CLIENT", isEmailVerified: true } });
    const c2 = await prisma.user.create({ data: { firstname: "R", lastname: "2", email: "v-r2@test.local", password: h, role: "CLIENT", isEmailVerified: true } });
    const t1 = jwt.sign({ id: c1.id, role: "CLIENT" }, process.env.JWT_SECRET, { expiresIn: "1h" });
    const t2 = jwt.sign({ id: c2.id, role: "CLIENT" }, process.env.JWT_SECRET, { expiresIn: "1h" });

    const [r1, r2] = await Promise.all([
      request(app).post("/api/game/participate").set("Authorization", `Bearer ${t1}`).send({ code: CODES[3] }),
      request(app).post("/api/game/participate").set("Authorization", `Bearer ${t2}`).send({ code: CODES[3] }),
    ]);

    const codes = [r1.status, r2.status].sort();
    log("statuts obtenus :", codes.join(" + "), "(201 + 409 attendu, aucun 500)");
    expect(codes).toEqual([201, 409]);

    const n = await prisma.participation.count({ where: { ticket: { code: CODES[3] } } });
    log("participations pour ce ticket :", n);
    expect(n).toBe(1);
  });
});