import { describe, expect, it, beforeAll } from "bun:test";
import { getAllData, getProfile, getExperience } from "../src/db/queries";
import { initDB, db } from "../src/db/schema";
import { seedDB } from "../src/db/seed";

// Use an in-memory DB or a separate test DB file for isolation
// For simplicity in this specific setup, we are testing against the existing file 
// or re-seeding it. In a CI env, we'd use ':memory:'.
// Let's ensure the DB is seeded before testing.
beforeAll(() => {
    seedDB();
});

describe("Database Queries", () => {
    it("should fetch English profile data correctly", () => {
        const profile = getProfile("en");
        expect(profile).not.toBeNull();
        expect(profile?.name).toBe("John Doe");
        expect(profile?.job_title).toBe("Full Stack Developer");
    });

    it("should fetch German profile data correctly", () => {
        const profile = getProfile("de");
        expect(profile).not.toBeNull();
        expect(profile?.name).toBe("John Doe");
        expect(profile?.job_title).toBe("Full Stack Entwickler"); // Translation check
    });

    it("should fetch experience sorted by order", () => {
        const experience = getExperience("en");
        expect(Array.isArray(experience)).toBe(true);
        if (experience.length > 0) {
            expect(experience[0]).toHaveProperty("company_name");
            expect(experience[0]).toHaveProperty("role");
        }
    });

    it("getAllData should return all sections", () => {
        const data = getAllData("en");
        expect(data).toHaveProperty("profile");
        expect(data).toHaveProperty("experience");
        expect(data).toHaveProperty("education");
        expect(data).toHaveProperty("skills");
    });
    
    it("should return null/empty for non-existent language", () => {
        // Our query logic returns null if the join fails usually, 
        // but let's see how the current implementation behaves with invalid input.
        const profile = getProfile("fr"); 
        // Depending on implementation, this might be null or undefined
        expect(profile).toBeNull();
    });
});