"""
Pytest configuration and shared fixtures for the Flask job application tests.
"""
import os
import tempfile
import shutil
from io import BytesIO
from datetime import datetime
import pytest
import yaml
from app import app as flask_app
from flask_mail import Mail


@pytest.fixture
def app():
    """Create and configure a test Flask application instance."""
    # Create a temporary directory for test applications
    temp_dir = tempfile.mkdtemp()

    # Configure app for testing
    flask_app.config['TESTING'] = True
    flask_app.config['SECRET_KEY'] = 'test-secret-key'
    flask_app.config['APPLICATIONS_FOLDER'] = temp_dir
    flask_app.config['WTF_CSRF_ENABLED'] = False  # Disable CSRF for testing
    flask_app.config['MAIL_SUPPRESS_SEND'] = True  # Don't actually send emails

    yield flask_app

    # Cleanup: remove temporary directory
    if os.path.exists(temp_dir):
        shutil.rmtree(temp_dir)


@pytest.fixture
def client(app):
    """Create a test client for making requests to the application."""
    return app.test_client()


@pytest.fixture
def runner(app):
    """Create a test CLI runner."""
    return app.test_cli_runner()


@pytest.fixture
def temp_applications_dir(app):
    """Get the temporary applications directory for the current test."""
    return app.config['APPLICATIONS_FOLDER']


@pytest.fixture
def sample_application_data():
    """Sample application data for testing."""
    return {
        'session_id': 'test-session-123',
        'email': 'test@example.com',
        'job_name': 'Test Position',
        'current_page': 2,
        'created_at': datetime.now().isoformat(),
        'updated_at': datetime.now().isoformat(),
        'personal_info': {
            'name': 'Müller',
            'firstname': 'Anna',
            'address': 'Hauptstrasse 123',
            'zip_code': '8001',
            'city': 'Zürich',
            'phone': '+41 79 123 45 67',
            'birth_year': '1990',
            'civil_status': 'ledig'
        },
        'motivation_answers': {
            'current_job': 'Software Entwicklerin',
            'motivation': 'Ich möchte in einem innovativen Team arbeiten',
            'qualifications': 'Python, Flask, 5 Jahre Erfahrung',
            'salary': '80000 CHF'
        },
        'uploaded_files': []
    }


@pytest.fixture
def sample_pdf_file():
    """Create a sample PDF file for testing uploads."""
    # Create a minimal PDF file
    pdf_content = b'%PDF-1.4\n1 0 obj<</Type/Catalog/Pages 2 0 R>>endobj 2 0 obj<</Type/Pages/Count 1/Kids[3 0 R]>>endobj 3 0 obj<</Type/Page/MediaBox[0 0 612 792]/Parent 2 0 R>>endobj\nxref\n0 4\n0000000000 65535 f\n0000000009 00000 n\n0000000056 00000 n\n0000000115 00000 n\ntrailer<</Size 4/Root 1 0 R>>\nstartxref\n190\n%%EOF'
    return BytesIO(pdf_content)


@pytest.fixture
def sample_jpg_file():
    """Create a sample JPG file for testing uploads."""
    # Create a minimal JPEG file (1x1 pixel red image)
    jpg_content = (
        b'\xff\xd8\xff\xe0\x00\x10JFIF\x00\x01\x01\x00\x00\x01\x00\x01\x00\x00'
        b'\xff\xdb\x00C\x00\x08\x06\x06\x07\x06\x05\x08\x07\x07\x07\t\t\x08\n\x0c'
        b'\x14\r\x0c\x0b\x0b\x0c\x19\x12\x13\x0f\x14\x1d\x1a\x1f\x1e\x1d\x1a\x1c'
        b'\x1c $.\' ",#\x1c\x1c(7),01444\x1f\'9=82<.342\xff\xc0\x00\x0b\x08\x00'
        b'\x01\x00\x01\x01\x01\x11\x00\xff\xc4\x00\x1f\x00\x00\x01\x05\x01\x01'
        b'\x01\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x01\x02\x03\x04\x05'
        b'\x06\x07\x08\t\n\x0b\xff\xc4\x00\xb5\x10\x00\x02\x01\x03\x03\x02\x04'
        b'\x03\x05\x05\x04\x04\x00\x00\x01}\x01\x02\x03\x00\x04\x11\x05\x12!1A'
        b'\x06\x13Qa\x07"q\x142\x81\x91\xa1\x08#B\xb1\xc1\x15R\xd1\xf0$3br\x82'
        b'\t\n\x16\x17\x18\x19\x1a%&\'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxy'
        b'z\x83\x84\x85\x86\x87\x88\x89\x8a\x92\x93\x94\x95\x96\x97\x98\x99\x9a'
        b'\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9'
        b'\xba\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xd2\xd3\xd4\xd5\xd6\xd7\xd8'
        b'\xd9\xda\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xf1\xf2\xf3\xf4\xf5'
        b'\xf6\xf7\xf8\xf9\xfa\xff\xda\x00\x08\x01\x01\x00\x00?\x00\xfb\xfe\x87'
        b'\xff\xd9'
    )
    return BytesIO(jpg_content)


@pytest.fixture
def large_file():
    """Create a file larger than the 4MB limit for testing."""
    # Create a 5MB file
    content = b'x' * (5 * 1024 * 1024)
    return BytesIO(content)


@pytest.fixture
def mock_mail(app, monkeypatch):
    """Mock Flask-Mail to prevent actual email sending."""
    class MockMail:
        def __init__(self):
            self.sent_messages = []

        def send(self, message):
            self.sent_messages.append(message)

    mock = MockMail()
    monkeypatch.setattr('app.mail', mock)
    return mock


@pytest.fixture
def create_test_application(app, temp_applications_dir):
    """Factory fixture to create test application data."""
    def _create(session_id='test-123', **kwargs):
        """Create a test application with the given session ID and data."""
        from app import save_application_data

        data = {
            'session_id': session_id,
            'email': kwargs.get('email', 'test@example.com'),
            'job_name': kwargs.get('job_name', 'Test Job'),
            'current_page': kwargs.get('current_page', 2),
            'created_at': datetime.now().isoformat(),
            'updated_at': datetime.now().isoformat(),
            'personal_info': kwargs.get('personal_info', {}),
            'motivation_answers': kwargs.get('motivation_answers', {}),
            'uploaded_files': kwargs.get('uploaded_files', [])
        }

        save_application_data(session_id, data)
        return data

    return _create