"""
Custom exceptions for laser control module.

Provides a hierarchy of exceptions for different error conditions
that may occur during laser control operations.
"""


class LaserControlError(Exception):
    """Base exception for all laser control errors."""
    pass


class ValidationError(LaserControlError):
    """Base exception for validation errors."""
    pass


class TemperatureOutOfRangeError(ValidationError):
    """Exception raised when temperature is outside valid range."""

    def __init__(self, param_name: str, value: float, min_val: float, max_val: float):
        self.param_name = param_name
        self.value = value
        self.min_val = min_val
        self.max_val = max_val
        super().__init__(
            f"{param_name}: Temperature {value}°C is out of range "
            f"[{min_val}°C - {max_val}°C]"
        )


class CurrentOutOfRangeError(ValidationError):
    """Exception raised when current is outside valid range."""

    def __init__(self, param_name: str, value: float, min_val: float, max_val: float):
        self.param_name = param_name
        self.value = value
        self.min_val = min_val
        self.max_val = max_val
        super().__init__(
            f"{param_name}: Current {value}mA is out of range "
            f"[{min_val}mA - {max_val}mA]"
        )


class InvalidParameterError(ValidationError):
    """Exception raised for invalid parameter types or values."""

    def __init__(self, param_name: str, message: str):
        self.param_name = param_name
        super().__init__(f"{param_name}: {message}")


class CommunicationError(LaserControlError):
    """Base exception for communication errors."""
    pass


class PortNotFoundError(CommunicationError):
    """Exception raised when serial port cannot be found."""

    def __init__(self, port: str = None):
        if port:
            message = f"Serial port '{port}' not found"
        else:
            message = "No suitable serial port found for device connection"
        super().__init__(message)


class DeviceNotRespondingError(CommunicationError):
    """Exception raised when device doesn't respond to commands."""

    def __init__(self, timeout: float = None):
        if timeout:
            message = f"Device did not respond within {timeout} seconds"
        else:
            message = "Device is not responding to commands"
        super().__init__(message)


class CRCError(CommunicationError):
    """Exception raised when CRC check fails."""

    def __init__(self, expected: int = None, received: int = None):
        if expected is not None and received is not None:
            message = f"CRC check failed. Expected: 0x{expected:04X}, Received: 0x{received:04X}"
        else:
            message = "CRC check failed on received data"
        super().__init__(message)


class ProtocolError(CommunicationError):
    """Exception raised for protocol-level errors."""

    def __init__(self, message: str):
        super().__init__(f"Protocol error: {message}")


class DeviceError(LaserControlError):
    """Base exception for device-level errors."""
    pass


class DeviceOverheatingError(DeviceError):
    """Exception raised when device reports overheating."""

    def __init__(self, laser_id: int = None, temperature: float = None):
        if laser_id and temperature:
            message = f"Laser {laser_id} overheating: {temperature}°C"
        else:
            message = "Device overheating detected"
        super().__init__(message)


class PowerSupplyError(DeviceError):
    """Exception raised when power supply issues are detected."""

    def __init__(self, rail: str = None, voltage: float = None, expected: float = None):
        if rail and voltage is not None:
            if expected:
                message = f"Power supply {rail}: {voltage}V (expected ~{expected}V)"
            else:
                message = f"Power supply {rail}: abnormal voltage {voltage}V"
        else:
            message = "Power supply error detected"
        super().__init__(message)


class DeviceStateError(DeviceError):
    """Exception raised when device is in an error state."""

    def __init__(self, state_code: int, state_name: str = None):
        self.state_code = state_code
        if state_name:
            message = f"Device error state: {state_name} (0x{state_code:04X})"
        else:
            message = f"Device error state: 0x{state_code:04X}"
        super().__init__(message)