"""Application configuration"""

from pydantic_settings import BaseSettings, SettingsConfigDict
from pydantic import field_validator
from typing import List, Union
import json


class Settings(BaseSettings):
    """Application settings"""
    
    # Ollama
    ollama_base_url: str = "http://localhost:11434"
    ollama_model: str = "codellama:7b"
    
    # Database
    database_url: str = "sqlite+aiosqlite:///./review.db"
    
    # Security
    secret_key: str = "change-this-to-a-secure-random-string"
    encryption_key: str = "change-this-to-a-secure-random-string"
    
    # Master Git tokens (optional, используются если не указаны в проекте)
    master_gitea_token: str = ""
    master_github_token: str = ""
    master_bitbucket_token: str = ""
    
    # Server
    host: str = "0.0.0.0"
    port: int = 8000
    debug: bool = True
    
    # CORS - можно задать как строку с запятой или JSON массив
    cors_origins: Union[List[str], str] = "http://localhost:5173,http://localhost:3000"
    
    @field_validator('cors_origins', mode='before')
    @classmethod
    def parse_cors_origins(cls, v):
        if isinstance(v, str):
            # Если строка с запятыми
            if ',' in v:
                return [origin.strip() for origin in v.split(',')]
            # Если JSON массив
            try:
                parsed = json.loads(v)
                if isinstance(parsed, list):
                    return parsed
            except (json.JSONDecodeError, ValueError):
                pass
            # Если одиночная строка
            return [v.strip()]
        return v
    
    model_config = SettingsConfigDict(
        env_file=".env",
        case_sensitive=False
    )


settings = Settings()