import json
from pathlib import Path

from pydantic_settings import BaseSettings, SettingsConfigDict


BASE_DIR = Path(__file__).resolve().parents[2]
WORKSPACE_DIR = BASE_DIR.parent
DOMAINCHECK_DIR = WORKSPACE_DIR / "domainCheck"
API_ENV_FILE = BASE_DIR / ".env"
ENV_FILE = DOMAINCHECK_DIR / ".env"


class Settings(BaseSettings):
    api_prefix: str = "/api/v1"
    api_host: str = "0.0.0.0"
    api_port: int = 8100
    cors_origins: str = "http://127.0.0.1:3200,http://localhost:3200"
    db_host: str = "127.0.0.1"
    db_port: int = 5432
    db_database: str = "domain"
    db_user: str = "postgres"
    db_password: str = "postgres"
    redis_host: str = "127.0.0.1"
    redis_port: int = 6379
    redis_password: str = ""
    redis_db: int = 0
    domain_root: str = str(DOMAINCHECK_DIR)
    admin_username: str = "admin"
    admin_password: str = "admin"
    worker_mode: str = "windows-local"
    worker_service_name: str = "domaincheck-worker"
    api_service_name: str = "domaincheck-api"
    sync_agent_service_name: str = "domaincheck-sync-agent"
    node_code: str = "overseas-control-01"
    node_region: str = "overseas"
    node_role: str = "control"
    sync_push_enabled: bool = False
    sync_source_region: str = "unknown"
    sync_target_region: str = "overseas"
    sync_target_api_base_url: str = ""
    sync_shared_token: str = ""
    sync_batch_size: int = 200
    sync_poll_interval_seconds: int = 30

    @property
    def cors_origins_list(self) -> list[str]:
        value = self.cors_origins
        if isinstance(value, list):
            return [str(item).strip() for item in value if str(item).strip()]
        if not isinstance(value, str):
            return []
        stripped = value.strip()
        if not stripped:
            return []
        if stripped.startswith("["):
            try:
                parsed = json.loads(stripped)
            except json.JSONDecodeError:
                pass
            else:
                if isinstance(parsed, list):
                    return [str(item).strip() for item in parsed if str(item).strip()]
        return [item.strip() for item in stripped.split(",") if item.strip()]

    model_config = SettingsConfigDict(
        env_file=(str(API_ENV_FILE), str(ENV_FILE)),
        env_file_encoding="utf-8",
        extra="ignore",
    )


settings = Settings()