# -*- coding: utf-8 -*-

import os

from pydantic import (
    AnyHttpUrl,
    BaseSettings,
    DirectoryPath,
    PostgresDsn,
    SecretStr,
    validator,
)


class Settings(BaseSettings):
    # SERVER_NAME: str
    # SERVER_HOST: AnyHttpUrl

    PLATFORM_HOST: AnyHttpUrl
    PLATFORM_SECRET: SecretStr
    TRANSFER_HOST: AnyHttpUrl
    CUSTOM_HOST: AnyHttpUrl
    # WEATHER_HOST: AnyHttpUrl

    # HTTPS_PROXY: AnyHttpUrl

    TENCENT_NLP_ENDPOINT: str
    TENCENT_SECRET_ID_V1: str
    TENCENT_SECRET_KEY_V1: str

    DUCKLING_HOST: AnyHttpUrl

    # PROJECT_DIR: DirectoryPath
    # LOGS_DIR: DirectoryPath

    ML_MODELS_DIR: DirectoryPath

    PROJECT_NAME: str

    REDIS_HOST: str
    REDIS_PORT: int
    REDIS_DB: int
    REDIS_PASSWORD: str

    MILVUS_HOST: str | None
    MILVUS_PORT: str | None
    METRIC_TYPE: str | None
    VECTOR_DIMENSION: int | None

    POSTGRES_SERVER: str
    POSTGRES_USER: str
    POSTGRES_PASSWORD: str
    POSTGRES_DB: str
    SQLALCHEMY_DATABASE_URL: PostgresDsn | None

    NEED_MILVUS: str

    @validator("SQLALCHEMY_DATABASE_URL", pre=True)
    def assemble_db_connection(cls, v: str | None, values: dict[str, str | int | bool]):
        if isinstance(v, str):
            return v
        return PostgresDsn.build(
            scheme="postgresql",
            # user=values.get("POSTGRES_USER"),
            user=os.getenv("POSTGRES_USER", values.get("POSTGRES_USER")),
            # password=values.get("POSTGRES_PASSWORD"),
            password=os.getenv("POSTGRES_PASSWORD", values.get("POSTGRES_PASSWORD")),
            # host=values.get("POSTGRES_SERVER"),
            host=os.getenv("POSTGRES_SERVER", values.get("POSTGRES_SERVER")),
            # path=f'/{values.get("POSTGRES_DB") or ""}',
            path=f'/{os.getenv("POSTGRES_DB", values.get("POSTGRES_DB")) or ""}',
        )

    class Config:
        case_sensitive = True
        env_file = ".env"


settings = Settings()