"""Pytest fixtures for FlaskPaste tests."""

import pytest

import app.database as db_module
from app import create_app
from app.api.routes import reset_lookup_rate_limits, reset_rate_limits


def _clear_database():
    """Clear all data from database tables for test isolation."""
    if db_module._memory_db_holder is not None:
        db_module._memory_db_holder.execute("DELETE FROM pastes")
        db_module._memory_db_holder.execute("DELETE FROM content_hashes")
        db_module._memory_db_holder.execute("DELETE FROM issued_certificates")
        db_module._memory_db_holder.execute("DELETE FROM certificate_authority")
        db_module._memory_db_holder.execute("DELETE FROM short_urls")
        db_module._memory_db_holder.commit()


@pytest.fixture
def app():
    """Create application for testing."""
    # Reset global state for test isolation
    reset_rate_limits()
    reset_lookup_rate_limits()
    _clear_database()

    test_app = create_app("testing")

    # Clear database again after app init (in case init added anything)
    _clear_database()

    yield test_app

    # Cleanup after test
    reset_rate_limits()
    reset_lookup_rate_limits()


@pytest.fixture
def client(app):
    """Create test client."""
    return app.test_client()


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


@pytest.fixture
def sample_text():
    """Sample text content for testing."""
    return "Hello, FlaskPaste!"


@pytest.fixture
def sample_json():
    """Sample JSON payload for testing."""
    return {"content": "Hello from JSON!"}


@pytest.fixture
def auth_header():
    """Valid authentication header."""
    return {"X-SSL-Client-SHA1": "a" * 40}


@pytest.fixture
def other_auth_header():
    """Different valid authentication header."""
    return {"X-SSL-Client-SHA1": "b" * 40}


@pytest.fixture
def png_bytes():
    """Minimal valid PNG bytes for testing."""
    return (
        b"\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01"
        b"\x00\x00\x00\x01\x08\x02\x00\x00\x00\x90wS\xde\x00"
        b"\x00\x00\x0cIDATx\x9cc\xf8\x0f\x00\x00\x01\x01\x00"
        b"\x05\x18\xd8N\x00\x00\x00\x00IEND\xaeB`\x82"
    )


@pytest.fixture
def jpeg_bytes():
    """Minimal JPEG magic bytes for testing."""
    return b"\xff\xd8\xff\xe0\x00\x10JFIF\x00"


@pytest.fixture
def zip_bytes():
    """ZIP magic bytes for testing."""
    return b"PK\x03\x04" + b"\x00" * 26


@pytest.fixture
def pdf_bytes():
    """PDF magic bytes for testing."""
    return b"%PDF-1.4 test content"