"""
Coverage tests for network/ modules - untested branches.
"""

import pytest

# Constants for skip messages
SKIP_NETWORK_CONFIG = "get_network_config not available"


# ========================================================================
# Network module branches
# ========================================================================

SKIP_WOC_CLIENT = "WOCClient not available"
MOCK_REQUESTS_GET = "requests.get"


def test_network_module_exists():
    """Test that network module exists."""
    try:
        import bsv.network

        assert bsv.network is not None
    except ImportError:
        pytest.skip("Network module not available")


def test_network_constants():
    """Test network constants."""
    try:
        from bsv.network import Network

        assert Network is not None
        # May have MAINNET, TESTNET, etc.
    except ImportError:
        pytest.skip("Network constants not available")


# ========================================================================
# Network configuration branches
# ========================================================================


def test_get_network_config_mainnet():
    """Test getting mainnet network config."""
    try:
        from bsv.network import get_network_config

        config = get_network_config("mainnet")
        assert config is not None
    except (ImportError, AttributeError):
        pytest.skip(SKIP_NETWORK_CONFIG)


def test_get_network_config_testnet():
    """Test getting testnet network config."""
    try:
        from bsv.network import get_network_config

        config = get_network_config("testnet")
        assert config is not None
    except (ImportError, AttributeError):
        pytest.skip(SKIP_NETWORK_CONFIG)


# ========================================================================
# Edge cases
# ========================================================================


def test_get_network_config_invalid():
    """Test getting invalid network config."""
    try:
        from bsv.network import get_network_config

        try:
            config = get_network_config("invalid")
            assert config is None
        except (ValueError, KeyError):
            # Expected
            pass
    except (ImportError, AttributeError):
        pytest.skip(SKIP_NETWORK_CONFIG)


# ========================================================================
# Comprehensive error condition testing and branch coverage
# ========================================================================


def test_woc_client_initialization():
    """Test WOCClient initialization with different parameters."""
    try:
        from bsv.network.woc_client import WOCClient

        # Test default initialization
        client = WOCClient()
        assert client.network == "main"
        assert isinstance(client.api_key, str)

        # Test with custom network
        client = WOCClient(network="test")
        assert client.network == "test"

        # Test with custom API key
        client = WOCClient(api_key="test_key")  # NOSONAR - Mock API key for tests
        assert client.api_key == "test_key"

        # Test with environment variable
        import os

        old_key = os.environ.get("WOC_API_KEY")
        try:
            os.environ["WOC_API_KEY"] = "env_key"
            client = WOCClient()
            assert client.api_key == "env_key"
        finally:
            if old_key is not None:
                os.environ["WOC_API_KEY"] = old_key
            elif "WOC_API_KEY" in os.environ:
                del os.environ["WOC_API_KEY"]

    except ImportError:
        pytest.skip(SKIP_WOC_CLIENT)


def test_woc_client_get_tx_hex_invalid_txid():
    """Test get_tx_hex with invalid transaction IDs."""
    try:
        import requests

        from bsv.network.woc_client import WOCClient

        client = WOCClient()

        # Test with invalid txid format
        with pytest.raises(requests.exceptions.HTTPError):
            client.get_tx_hex("invalid_txid")

        # Test with empty txid
        with pytest.raises(requests.exceptions.HTTPError):
            client.get_tx_hex("")

        # Test with None txid
        with pytest.raises((TypeError, AttributeError)):
            client.get_tx_hex(None)

    except ImportError:
        pytest.skip(SKIP_WOC_CLIENT)


def test_woc_client_get_tx_hex_network_errors():
    """Test get_tx_hex with network-related errors."""
    try:
        from unittest.mock import patch

        import requests

        from bsv.network.woc_client import WOCClient

        client = WOCClient()

        # Mock network timeout
        with patch(MOCK_REQUESTS_GET) as mock_get:
            mock_get.side_effect = requests.exceptions.Timeout("Request timed out")
            with pytest.raises(requests.exceptions.Timeout):
                client.get_tx_hex("a" * 64)

        # Mock connection error
        with patch(MOCK_REQUESTS_GET) as mock_get:
            mock_get.side_effect = requests.exceptions.ConnectionError("Connection failed")
            with pytest.raises(requests.exceptions.ConnectionError):
                client.get_tx_hex("a" * 64)

        # Mock HTTP error (404 Not Found)
        with patch(MOCK_REQUESTS_GET) as mock_get:
            mock_response = mock_get.return_value
            mock_response.raise_for_status.side_effect = requests.exceptions.HTTPError("404 Not Found")
            mock_response.status_code = 404
            with pytest.raises(requests.exceptions.HTTPError):
                client.get_tx_hex("a" * 64)

    except ImportError:
        pytest.skip(SKIP_WOC_CLIENT)


def test_woc_client_get_tx_hex_malformed_response():
    """Test get_tx_hex with malformed API responses."""
    try:
        from unittest.mock import Mock, patch

        from bsv.network.woc_client import WOCClient

        client = WOCClient()

        # Test with response missing rawtx/hex field
        with patch(MOCK_REQUESTS_GET) as mock_get:
            mock_response = Mock()
            mock_response.raise_for_status.return_value = None
            mock_response.json.return_value = {"some_other_field": "value"}
            mock_get.return_value = mock_response

            result = client.get_tx_hex("a" * 64)
            assert result is None

        # Test with non-string rawtx/hex field
        with patch(MOCK_REQUESTS_GET) as mock_get:
            mock_response = Mock()
            mock_response.raise_for_status.return_value = None
            mock_response.json.return_value = {"rawtx": 12345}  # Number instead of string
            mock_get.return_value = mock_response

            result = client.get_tx_hex("a" * 64)
            assert result is None

        # Test with invalid JSON response
        with patch(MOCK_REQUESTS_GET) as mock_get:
            mock_response = Mock()
            mock_response.raise_for_status.return_value = None
            mock_response.json.side_effect = ValueError("Invalid JSON")
            mock_get.return_value = mock_response

            with pytest.raises(ValueError):
                client.get_tx_hex("a" * 64)

    except ImportError:
        pytest.skip(SKIP_WOC_CLIENT)


def test_woc_client_get_tx_hex_with_api_key():
    """Test get_tx_hex with API key authentication."""
    try:
        from unittest.mock import Mock, patch

        from bsv.network.woc_client import WOCClient

        client = WOCClient(api_key="test_key")  # NOSONAR - Mock API key for tests

        with patch(MOCK_REQUESTS_GET) as mock_get:
            mock_response = Mock()
            mock_response.raise_for_status.return_value = None
            mock_response.json.return_value = {"rawtx": "deadbeef"}
            mock_get.return_value = mock_response

            result = client.get_tx_hex("a" * 64)

            # Verify that headers were set correctly
            mock_get.assert_called_once()
            call_args = mock_get.call_args
            headers = call_args[1]["headers"]
            assert "Authorization" in headers
            assert headers["Authorization"] == "test_key"
            assert "woc-api-key" in headers
            assert headers["woc-api-key"] == "test_key"

            assert result == "deadbeef"

    except ImportError:
        pytest.skip(SKIP_WOC_CLIENT)


def test_woc_client_get_tx_hex_without_api_key():
    """Test get_tx_hex without API key."""
    try:
        from unittest.mock import Mock, patch

        from bsv.network.woc_client import WOCClient

        client = WOCClient(api_key="")  # No API key

        with patch(MOCK_REQUESTS_GET) as mock_get:
            mock_response = Mock()
            mock_response.raise_for_status.return_value = None
            mock_response.json.return_value = {"hex": "deadbeef"}
            mock_get.return_value = mock_response

            result = client.get_tx_hex("a" * 64)

            # Verify that no auth headers were set
            mock_get.assert_called_once()
            call_args = mock_get.call_args
            headers = call_args[1]["headers"]
            assert "Authorization" not in headers
            assert "woc-api-key" not in headers

            assert result == "deadbeef"

    except ImportError:
        pytest.skip(SKIP_WOC_CLIENT)


def test_woc_client_get_tx_hex_custom_timeout():
    """Test get_tx_hex with custom timeout."""
    try:
        from unittest.mock import Mock, patch

        from bsv.network.woc_client import WOCClient

        client = WOCClient()

        with patch(MOCK_REQUESTS_GET) as mock_get:
            mock_response = Mock()
            mock_response.raise_for_status.return_value = None
            mock_response.json.return_value = {"rawtx": "deadbeef"}
            mock_get.return_value = mock_response

            result = client.get_tx_hex("a" * 64, timeout=30)

            # Verify timeout was passed correctly
            mock_get.assert_called_once()
            call_args = mock_get.call_args
            assert call_args[1]["timeout"] == 30

            assert result == "deadbeef"

    except ImportError:
        pytest.skip(SKIP_WOC_CLIENT)


def test_woc_client_different_networks():
    """Test WOCClient with different networks."""
    try:
        from unittest.mock import Mock, patch

        from bsv.network.woc_client import WOCClient

        # Test mainnet
        client_main = WOCClient(network="main")
        assert client_main.network == "main"

        # Test testnet
        client_test = WOCClient(network="test")
        assert client_test.network == "test"

        with patch(MOCK_REQUESTS_GET) as mock_get:
            mock_response = Mock()
            mock_response.raise_for_status.return_value = None
            mock_response.json.return_value = {"rawtx": "deadbeef"}
            mock_get.return_value = mock_response

            # Test mainnet URL
            client_main.get_tx_hex("a" * 64)
            main_call_args = mock_get.call_args
            assert "main" in main_call_args[0][0]

            # Test testnet URL
            client_test.get_tx_hex("a" * 64)
            test_call_args = mock_get.call_args
            assert "test" in test_call_args[0][0]

    except ImportError:
        pytest.skip(SKIP_WOC_CLIENT)


def test_woc_client_concurrent_requests():
    """Test WOCClient handles concurrent requests."""
    try:
        import threading
        from unittest.mock import Mock, patch

        from bsv.network.woc_client import WOCClient

        client = WOCClient()

        results = []
        errors = []

        def make_request(txid):
            try:
                with patch(MOCK_REQUESTS_GET) as mock_get:
                    mock_response = Mock()
                    mock_response.raise_for_status.return_value = None
                    mock_response.json.return_value = {"rawtx": f"tx_{txid}"}
                    mock_get.return_value = mock_response

                    result = client.get_tx_hex(txid)
                    results.append(result)
            except Exception as e:
                errors.append(e)

        # Run multiple concurrent requests
        threads = []
        for i in range(5):
            txid = "a" * 63 + str(i)
            t = threading.Thread(target=make_request, args=(txid,))
            threads.append(t)
            t.start()

        # Wait for all threads
        for t in threads:
            t.join()

        # All should succeed
        assert len(results) == 5
        assert len(errors) == 0
        assert all(r.startswith("tx_") for r in results)

    except ImportError:
        pytest.skip(SKIP_WOC_CLIENT)
