const dotenv = require("dotenv");
const { generateAccesToken, generateRefreshToken, generatePermtoken, verifyToken} = require("./auth");

dotenv.config();

describe('Auth.js Tests', () => {
    const user = { id: 1, name: 'Test User' };

    test('generateAccesToken should return a valid JWT', () => {
        const token = generateAccesToken(user);
        const decoded = verifyToken(token);
        expect(decoded.user).toEqual(user);
    });

    test('generateRefreshToken should return a valid JWT', () => {
        const token = generateRefreshToken(user);
        const decoded = verifyToken(token);
        expect(decoded.user).toEqual(user);
    });

    test('generatePermtoken should return a valid JWT', () => {
        const token = generatePermtoken(user);
        const decoded = verifyToken(token);
        expect(decoded.user).toEqual(user);
    });

    test('verifyToken should return user for a valid token', () => {
        const token = generateAccesToken(user);
        const result = verifyToken(token);
        expect(result.user).toEqual(user);
    });

    test('verifyRefreshToken should return true for a valid token', () => {
        const token = generateRefreshToken(user);
        const result = verifyToken(token);
        expect(result.user).toEqual(user);
    });

    test('verifyPermtoken should return true for a valid token', () => {
        const token = generatePermtoken(user);
        const result = verifyToken(token);
        expect(result.user).toEqual(user);
    });


    test('verifyToken should return false for an expired token', () => {
        const token = generateAccesToken(user, "1ms");
        const result = verifyToken(token);
        expect(result.user).toEqual(undefined);
    });

    test('verifyRefreshToken should return false for an expired token', () => {
        const token = generateAccesToken(user, "1ms");
        const result = verifyToken(token);
        expect(result.user).toEqual(undefined);
    });

    test('verifyPermtoken should return false for an expired token', () => {
        const token = generateAccesToken(user, "1ms");
        const result = verifyToken(token);
        expect(result.user).toEqual(undefined);
    });

    test('verifyToken should return false for a token with an invalid signature', () => {
        const token = generateAccesToken(user);
        const result = verifyToken(token + 'a');
        expect(result).toBe(false);
    });

    test('verifyRefreshToken should return false for a token with an invalid signature', () => {
        const token = generateRefreshToken(user);
        const result = verifyToken(token + 'a');
        expect(result).toBe(false);
    });

    test('verifyPermtoken should return false for a token with an invalid signature', () => {
        const token = generatePermtoken(user);
        const result = verifyToken(token + 'a');
        expect(result).toBe(false);
    });
});