"""Coverage tests for constants and configuration.

This module tests constant values and configuration settings.
"""


class TestNetworkConstants:
    """Test network-related constants."""

    def test_import_network_constants(self) -> None:
        """Test importing network constants."""
        try:
            from bsv_wallet_toolbox import constants

            assert constants is not None
        except ImportError:
            pass

    def test_mainnet_constants(self) -> None:
        """Test mainnet constants."""
        try:
            from bsv_wallet_toolbox.constants import MAINNET_VERSION

            assert isinstance(MAINNET_VERSION, int)
            assert MAINNET_VERSION == 0
        except (ImportError, AttributeError):
            pass

    def test_testnet_constants(self) -> None:
        """Test testnet constants."""
        try:
            from bsv_wallet_toolbox.constants import TESTNET_VERSION

            assert isinstance(TESTNET_VERSION, int)
            assert TESTNET_VERSION == 111
        except (ImportError, AttributeError):
            pass


class TestTransactionConstants:
    """Test transaction-related constants."""

    def test_max_tx_size(self) -> None:
        """Test maximum transaction size constant."""
        try:
            from bsv_wallet_toolbox.constants import MAX_TX_SIZE

            assert isinstance(MAX_TX_SIZE, int)
            assert MAX_TX_SIZE > 0
        except (ImportError, AttributeError):
            pass

    def test_dust_limit(self) -> None:
        """Test dust limit constant."""
        try:
            from bsv_wallet_toolbox.constants import DUST_LIMIT

            assert isinstance(DUST_LIMIT, int)
            assert DUST_LIMIT > 0
        except (ImportError, AttributeError):
            pass

    def test_sequence_final(self) -> None:
        """Test sequence final constant."""
        try:
            from bsv_wallet_toolbox.constants import SEQUENCE_FINAL

            assert isinstance(SEQUENCE_FINAL, int)
            assert SEQUENCE_FINAL == 0xFFFFFFFF
        except (ImportError, AttributeError):
            pass


class TestScriptConstants:
    """Test script operation constants."""

    def test_op_codes(self) -> None:
        """Test OP code constants."""
        try:
            from bsv_wallet_toolbox.constants import OP_CHECKSIG, OP_DUP, OP_HASH160

            assert isinstance(OP_DUP, int)
            assert OP_DUP == 0x76
            assert isinstance(OP_HASH160, int)
            assert OP_HASH160 == 0xA9
            assert isinstance(OP_CHECKSIG, int)
            assert OP_CHECKSIG == 0xAC
        except (ImportError, AttributeError):
            pass

    def test_op_return(self) -> None:
        """Test OP_RETURN constant."""
        try:
            from bsv_wallet_toolbox.constants import OP_RETURN

            assert isinstance(OP_RETURN, int)
            assert OP_RETURN == 0x6A
        except (ImportError, AttributeError):
            pass


class TestCryptographicConstants:
    """Test cryptographic constants."""

    def test_hash_lengths(self) -> None:
        """Test hash length constants."""
        try:
            from bsv_wallet_toolbox.constants import RIPEMD160_LENGTH, SHA256_LENGTH

            assert SHA256_LENGTH == 32
            assert RIPEMD160_LENGTH == 20
        except (ImportError, AttributeError):
            pass

    def test_key_lengths(self) -> None:
        """Test key length constants."""
        try:
            from bsv_wallet_toolbox.constants import PRIVATE_KEY_LENGTH, PUBLIC_KEY_LENGTH

            assert PRIVATE_KEY_LENGTH == 32
            assert PUBLIC_KEY_LENGTH in [33, 65]  # Compressed or uncompressed
        except (ImportError, AttributeError):
            pass


class TestFeeConstants:
    """Test fee calculation constants."""

    def test_default_fee_rate(self) -> None:
        """Test default fee rate constant."""
        try:
            from bsv_wallet_toolbox.constants import DEFAULT_FEE_RATE

            assert isinstance(DEFAULT_FEE_RATE, (int, float))
            assert DEFAULT_FEE_RATE > 0
        except (ImportError, AttributeError):
            pass

    def test_min_relay_fee(self) -> None:
        """Test minimum relay fee constant."""
        try:
            from bsv_wallet_toolbox.constants import MIN_RELAY_FEE

            assert isinstance(MIN_RELAY_FEE, int)
            assert MIN_RELAY_FEE > 0
        except (ImportError, AttributeError):
            pass


class TestBlockchainConstants:
    """Test blockchain constants."""

    def test_block_time(self) -> None:
        """Test average block time constant."""
        try:
            from bsv_wallet_toolbox.constants import AVERAGE_BLOCK_TIME

            assert isinstance(AVERAGE_BLOCK_TIME, int)
            assert AVERAGE_BLOCK_TIME == 600  # 10 minutes
        except (ImportError, AttributeError):
            pass

    def test_difficulty_adjustment(self) -> None:
        """Test difficulty adjustment period."""
        try:
            from bsv_wallet_toolbox.constants import DIFFICULTY_ADJUSTMENT_INTERVAL

            assert isinstance(DIFFICULTY_ADJUSTMENT_INTERVAL, int)
            assert DIFFICULTY_ADJUSTMENT_INTERVAL == 2016
        except (ImportError, AttributeError):
            pass

    def test_max_block_size(self) -> None:
        """Test maximum block size."""
        try:
            from bsv_wallet_toolbox.constants import MAX_BLOCK_SIZE

            assert isinstance(MAX_BLOCK_SIZE, int)
            assert MAX_BLOCK_SIZE > 1000000  # At least 1MB
        except (ImportError, AttributeError):
            pass
