"""Pytest configuration and shared fixtures."""

import json
import tempfile
from pathlib import Path
from unittest.mock import patch

import pytest
from fastapi.testclient import TestClient

from leggen.commands.server import create_app
from leggen.utils.config import Config


@pytest.fixture
def temp_config_dir():
    """Create a temporary config directory for testing."""
    with tempfile.TemporaryDirectory() as tmpdir:
        config_dir = Path(tmpdir) / ".config" / "leggen"
        config_dir.mkdir(parents=True, exist_ok=True)
        yield config_dir


@pytest.fixture
def temp_db_path():
    """Create a temporary database file for testing."""
    with tempfile.NamedTemporaryFile(suffix=".db", delete=False) as tmp_file:
        db_path = Path(tmp_file.name)
        yield db_path
    # Clean up the temporary database file after test
    if db_path.exists():
        db_path.unlink()


@pytest.fixture
def mock_config(temp_config_dir, temp_db_path):
    """Mock configuration for testing."""
    config_data = {
        "gocardless": {
            "key": "test-key",
            "secret": "test-secret",
            "url": "https://bankaccountdata.gocardless.com/api/v2",
        },
        "database": {"sqlite": True},
        "scheduler": {"sync": {"enabled": True, "hour": 3, "minute": 0}},
    }

    config_file = temp_config_dir / "config.toml"
    with open(config_file, "wb") as f:
        import tomli_w

        tomli_w.dump(config_data, f)

    # Mock the config path
    with patch.object(Config, "load_config") as mock_load:
        mock_load.return_value = config_data
        config = Config()
        config._config = config_data
        config._config_path = str(config_file)
        yield config


@pytest.fixture
def mock_auth_token(temp_config_dir):
    """Mock GoCardless authentication token."""
    auth_data = {"access": "mock-access-token", "refresh": "mock-refresh-token"}

    auth_file = temp_config_dir / "auth.json"
    with open(auth_file, "w") as f:
        json.dump(auth_data, f)

    return auth_data


@pytest.fixture
def fastapi_app():
    """Create FastAPI test application."""
    return create_app()


@pytest.fixture
def api_client(fastapi_app):
    """Create FastAPI test client."""
    return TestClient(fastapi_app)


@pytest.fixture
def mock_db_path(temp_db_path):
    """Mock the database path to use temporary database for testing."""
    from leggen.utils.paths import path_manager

    # Set the path manager to use the temporary database
    original_database_path = path_manager._database_path
    path_manager.set_database_path(temp_db_path)

    try:
        yield temp_db_path
    finally:
        # Restore original path
        path_manager._database_path = original_database_path


@pytest.fixture
def sample_bank_data():
    """Sample bank/institution data for testing."""
    return [
        {
            "id": "REVOLUT_REVOLT21",
            "name": "Revolut",
            "bic": "REVOLT21",
            "transaction_total_days": 90,
            "countries": ["GB", "LT"],
        },
        {
            "id": "BANCOBPI_BBPIPTPL",
            "name": "Banco BPI",
            "bic": "BBPIPTPL",
            "transaction_total_days": 90,
            "countries": ["PT"],
        },
    ]


@pytest.fixture
def sample_account_data():
    """Sample account data for testing."""
    return {
        "id": "test-account-123",
        "institution_id": "REVOLUT_REVOLT21",
        "status": "READY",
        "iban": "LT313250081177977789",
        "created": "2024-02-13T23:56:00Z",
        "last_accessed": "2025-09-01T09:30:00Z",
    }


@pytest.fixture
def sample_transaction_data():
    """Sample transaction data for testing."""
    return {
        "transactions": {
            "booked": [
                {
                    "internalTransactionId": "txn-123",
                    "bookingDate": "2025-09-01",
                    "valueDate": "2025-09-01",
                    "transactionAmount": {"amount": "-10.50", "currency": "EUR"},
                    "remittanceInformationUnstructured": "Coffee Shop Payment",
                }
            ],
            "pending": [],
        }
    }