#!/usr/bin/env python3
"""
Unit tests for AuthHandler class
"""

import pytest
import os
import sys
import requests
from unittest.mock import patch, Mock

# Add the parent directory to the path
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from auth import AuthHandler

class TestAuthHandlerAuthHeaders:
    """Test cases for get_auth_headers method"""

    def test_get_auth_headers_without_token(self):
        """Test headers without auth token"""
        auth_handler = AuthHandler('test_user', 'test_pass')
        headers = auth_handler.get_auth_headers()
        assert "Authorization" not in headers
        assert headers["User-Agent"] == "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:140.0) Gecko/20100101 Firefox/140.0"

    def test_get_auth_headers_with_token(self):
        """Test headers with auth token"""
        auth_handler = AuthHandler('test_user', 'test_pass')
        auth_handler.auth_token = "test_token_123"
        headers = auth_handler.get_auth_headers()
        assert headers["Authorization"] == "Bearer test_token_123"

class TestAuthHandlerLogin:
    """Test cases for login method"""

    @patch('requests.Session.post')
    def test_login_success(self, mock_post):
        """Test successful login flow"""
        # Mock first login response
        mock_response1 = Mock()
        mock_response1.ok = True
        mock_response1.json.return_value = {
            "data": {
                "user": {
                    "id_user": "12345"
                }
            }
        }

        # Mock second login response
        mock_response2 = Mock()
        mock_response2.ok = True
        mock_response2.json.return_value = {
            "token": "test_bearer_token"
        }

        mock_post.side_effect = [mock_response1, mock_response2]

        auth_handler = AuthHandler('test_user', 'test_pass')
        result = auth_handler.login()

        assert result is True
        assert auth_handler.user_id == "12345"
        assert auth_handler.auth_token == "test_bearer_token"

    @patch('requests.Session.post')
    def test_login_first_step_failure(self, mock_post):
        """Test login failure on first step"""
        mock_response = Mock()
        mock_response.ok = False
        mock_response.status_code = 400
        mock_response.text = "Bad Request"

        mock_post.return_value = mock_response

        auth_handler = AuthHandler('test_user', 'test_pass')
        result = auth_handler.login()

        assert result is False
        assert auth_handler.user_id is None
        assert auth_handler.auth_token is None

    @patch('requests.Session.post')
    def test_login_second_step_failure(self, mock_post):
        """Test login failure on second step"""
        # First response succeeds
        mock_response1 = Mock()
        mock_response1.ok = True
        mock_response1.json.return_value = {
            "data": {
                "user": {
                    "id_user": "12345"
                }
            }
        }

        # Second response fails
        mock_response2 = Mock()
        mock_response2.ok = False
        mock_response2.status_code = 401

        mock_post.side_effect = [mock_response1, mock_response2]

        auth_handler = AuthHandler('test_user', 'test_pass')
        result = auth_handler.login()

        assert result is False

    @patch('requests.Session.post')
    def test_login_json_parsing_error(self, mock_post):
        """Test login with JSON parsing error"""
        mock_response = Mock()
        mock_response.ok = True
        mock_response.json.side_effect = ValueError("Invalid JSON")

        mock_post.return_value = mock_response

        auth_handler = AuthHandler('test_user', 'test_pass')
        result = auth_handler.login()

        assert result is False

    @patch('requests.Session.post')
    def test_login_request_exception(self, mock_post):
        """Test login with request exception"""
        mock_post.side_effect = requests.exceptions.ConnectionError("Network error")

        auth_handler = AuthHandler('test_user', 'test_pass')
        result = auth_handler.login()

        assert result is False

if __name__ == "__main__":
    pytest.main([__file__, "-v"])