from enum import Enum

from pydantic import BaseModel, ValidationInfo, field_validator


class TracingProviderEnum(Enum):
    LANGFUSE = "langfuse"
    LANGSMITH = "langsmith"


class BaseTracingConfig(BaseModel):
    """
    Base model class for tracing
    """

    ...


class LangfuseConfig(BaseTracingConfig):
    """
    Model class for Langfuse tracing config.
    """

    public_key: str
    secret_key: str
    host: str = "https://api.langfuse.com"

    @field_validator("host")
    @classmethod
    def set_value(cls, v, info: ValidationInfo):
        if v is None or v == "":
            v = "https://api.langfuse.com"
        if not v.startswith("https://") and not v.startswith("http://"):
            raise ValueError("host must start with https:// or http://")

        return v


class LangSmithConfig(BaseTracingConfig):
    """
    Model class for Langsmith tracing config.
    """

    api_key: str
    project: str
    endpoint: str = "https://api.smith.langchain.com"

    @field_validator("endpoint")
    @classmethod
    def set_value(cls, v, info: ValidationInfo):
        if v is None or v == "":
            v = "https://api.smith.langchain.com"
        if not v.startswith("https://"):
            raise ValueError("endpoint must start with https://")

        return v
