"""
Configuration Module
Handles environment variables and application settings
"""

import os
from typing import List
from pydantic import field_validator
from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    """Application settings loaded from environment variables"""
    
    # Database
    DATABASE_URL: str = "postgresql://bmc_hub:bmc_hub@localhost:5432/bmc_hub"
    
    # API
    API_HOST: str = "0.0.0.0"
    API_PORT: int = 8000
    API_RELOAD: bool = False
    
    # Security
    SECRET_KEY: str = "dev-secret-key-change-in-production"
    ALLOWED_ORIGINS: List[str] = ["http://localhost:8000", "http://localhost:3000"]
    CORS_ORIGINS: str = "http://localhost:8000,http://localhost:3000"
    
    # Logging
    LOG_LEVEL: str = "INFO"
    LOG_FILE: str = "logs/app.log"
    
    # e-conomic Integration
    ECONOMIC_API_URL: str = "https://restapi.e-conomic.com"
    ECONOMIC_APP_SECRET_TOKEN: str = ""
    ECONOMIC_AGREEMENT_GRANT_TOKEN: str = ""
    ECONOMIC_READ_ONLY: bool = True
    ECONOMIC_DRY_RUN: bool = True
    
    # Ollama LLM
    OLLAMA_ENDPOINT: str = "http://localhost:11434"
    OLLAMA_MODEL: str = "llama3.2:3b"
    
    # vTiger Cloud Integration
    VTIGER_URL: str = ""
    VTIGER_USERNAME: str = ""
    VTIGER_API_KEY: str = ""
    
    # Time Tracking Module Settings
    TIMETRACKING_DEFAULT_HOURLY_RATE: float = 1200.00
    TIMETRACKING_AUTO_ROUND: bool = True
    TIMETRACKING_ROUND_INCREMENT: float = 0.5
    TIMETRACKING_ROUND_METHOD: str = "up"  # "up", "down", "nearest"
    
    # Time Tracking Module Safety Flags
    TIMETRACKING_VTIGER_READ_ONLY: bool = True
    TIMETRACKING_VTIGER_DRY_RUN: bool = True
    TIMETRACKING_ECONOMIC_READ_ONLY: bool = True
    TIMETRACKING_ECONOMIC_DRY_RUN: bool = True
    TIMETRACKING_EXPORT_TYPE: str = "draft"  # "draft" or "booked"
    
    # Simply-CRM (Old vTiger On-Premise)
    OLD_VTIGER_URL: str = ""
    OLD_VTIGER_USERNAME: str = ""
    OLD_VTIGER_API_KEY: str = ""
    
    # Simply-CRM (Separate System)
    SIMPLYCRM_URL: str = ""
    SIMPLYCRM_USERNAME: str = ""
    SIMPLYCRM_API_KEY: str = ""
    
    # Deployment Configuration (used by Docker/Podman)
    POSTGRES_USER: str = "bmc_hub"
    POSTGRES_PASSWORD: str = "bmc_hub"
    POSTGRES_DB: str = "bmc_hub"
    POSTGRES_PORT: int = 5432
    RELEASE_VERSION: str = "latest"
    GITEA_URL: str = "https://g.bmcnetworks.dk"
    GITHUB_TOKEN: str = ""
    GITHUB_REPO: str = "ct/bmc_hub"
    
    @field_validator('*', mode='before')
    @classmethod
    def strip_whitespace(cls, v):
        """Strip leading/trailing whitespace from string values"""
        if isinstance(v, str):
            return v.strip()
        return v
    
    class Config:
        env_file = ".env"
        case_sensitive = True


settings = Settings()