import { expect } from "chai";
import request from "supertest";
import { createApp } from "../src/app.js";
import { prisma } from "../src/db/prisma.js";
import { resetDatabase } from "../test-support/reset-db.js";

describe("Reference data", () => {
  const app = createApp();

  beforeEach(async () => {
    await resetDatabase();
  });

  after(async () => {
    await prisma.$disconnect();
  });

  describe("GET /reference/diets", () => {
    it("returns the seeded regimes, no session required", async () => {
      const res = await request(app).get("/reference/diets");

      expect(res.status).to.equal(200);
      expect(res.body).to.have.length(5);
      expect(res.body.map((d: { name: string }) => d.name)).to.include("Végétarien");
      expect(res.body[0]).to.have.keys(["id", "name"]);
    });
  });

  describe("GET /reference/allergies", () => {
    it("returns the seeded allergens with their name resolved, no session required", async () => {
      const res = await request(app).get("/reference/allergies");

      expect(res.status).to.equal(200);
      expect(res.body).to.have.length(14);
      expect(res.body.map((a: { name: string }) => a.name)).to.include("Arachides");
      expect(res.body[0]).to.have.keys(["id", "name", "kind"]);
    });

    it("classifies Gluten and Sulfites as intolerances, the rest as allergies", async () => {
      const res = await request(app).get("/reference/allergies");

      const byName = (name: string) => res.body.find((a: { name: string }) => a.name === name);
      expect(byName("Gluten").kind).to.equal("INTOLERANCE");
      expect(byName("Sulfites").kind).to.equal("INTOLERANCE");
      expect(byName("Arachides").kind).to.equal("ALLERGY");
      expect(res.body.filter((a: { kind: string }) => a.kind === "INTOLERANCE")).to.have.length(2);
    });
  });

  describe("GET /reference/ingredients", () => {
    it("returns the seeded ingredients, no session required", async () => {
      const res = await request(app).get("/reference/ingredients");

      expect(res.status).to.equal(200);
      expect(res.body.length).to.be.greaterThan(0);
      expect(res.body.map((i: { name: string }) => i.name)).to.include("Tomate");
      expect(res.body[0]).to.have.keys([
        "id",
        "name",
        "icon",
        "category",
        "subcategory",
        "allergens",
        "diets",
      ]);
    });

    it("resolves each ingredient's linked allergens, empty for one with none", async () => {
      const res = await request(app).get("/reference/ingredients");

      const byName = (name: string) => res.body.find((i: { name: string }) => i.name === name);
      expect(byName("Œuf").allergens.map((a: { name: string }) => a.name)).to.include("Œufs");
      expect(byName("Tomate").allergens).to.deep.equal([]);
    });
  });
});