import ipaddress
# pyrefly: ignore [missing-import]
from marshmallow import Schema, fields, validate, ValidationError

HEX_COLOR_REGEX = r"^#[0-9A-Fa-f]{6}$"

def validate_ip_address(val):
    try:
        ipaddress.ip_address(val)
    except ValueError:
        raise ValidationError("Invalid IP address format. Must be a valid IPv4 or IPv6 address.")

class CreateDeviceSchema(Schema):
    device_type_id = fields.UUID(
        required=True,
        error_messages={"required": "Device type ID is required."}
    )
    
    name = fields.String(
        required=True,
        validate=validate.Length(min=1, max=200),
        error_messages={"required": "Device name is required."}
    )
    
    description = fields.String(
        required=False,
        allow_none=True
    )
    
    ip_address = fields.String(
        required=True,
        validate=validate_ip_address,
        error_messages={"required": "IP address is required."}
    )
    
    port = fields.Integer(
        required=False,
        allow_none=True,
        validate=validate.Range(min=1, max=65535)
    )
    
    latitude = fields.Float(
        required=True,
        validate=validate.Range(min=-90.0, max=90.0),
        error_messages={"required": "Latitude is required."}
    )
    
    longitude = fields.Float(
        required=True,
        validate=validate.Range(min=-180.0, max=180.0),
        error_messages={"required": "Longitude is required."}
    )
    
    color = fields.String(
        required=True,
        validate=validate.Regexp(HEX_COLOR_REGEX),
        error_messages={"required": "Color code (HEX) is required."}
    )
    
    avatar_url = fields.String(
        required=False,
        allow_none=True,
        validate=validate.Length(max=512)
    )
    
    is_active = fields.Boolean(
        required=False,
        load_default=True
    )

class UpdateDeviceSchema(Schema):
    device_type_id = fields.UUID(
        required=False
    )
    
    name = fields.String(
        required=False,
        validate=validate.Length(min=1, max=200)
    )
    
    description = fields.String(
        required=False,
        allow_none=True
    )
    
    ip_address = fields.String(
        required=False,
        validate=validate_ip_address
    )
    
    port = fields.Integer(
        required=False,
        allow_none=True,
        validate=validate.Range(min=1, max=65535)
    )
    
    latitude = fields.Float(
        required=False,
        validate=validate.Range(min=-90.0, max=90.0)
    )
    
    longitude = fields.Float(
        required=False,
        validate=validate.Range(min=-180.0, max=180.0)
    )
    
    color = fields.String(
        required=False,
        validate=validate.Regexp(HEX_COLOR_REGEX)
    )
    
    avatar_url = fields.String(
        required=False,
        allow_none=True,
        validate=validate.Length(max=512)
    )
    
    is_active = fields.Boolean(
        required=False
    )