# services/suppliers/app/core/config.py
"""
Supplier & Procurement Service Configuration
"""

from typing import List
from pydantic import Field
from shared.config.base import BaseServiceSettings


class Settings(BaseServiceSettings):
    """Supplier service settings extending base configuration"""
    
    # Override service-specific settings
    SERVICE_NAME: str = "suppliers-service"
    VERSION: str = "1.0.0"
    APP_NAME: str = "Bakery Supplier Service"
    DESCRIPTION: str = "Supplier and procurement management service"
    
    # API Configuration
    API_V1_STR: str = "/api/v1"
    
    # Override database URL to use SUPPLIERS_DATABASE_URL
    DATABASE_URL: str = Field(
        default="postgresql+asyncpg://suppliers_user:suppliers_pass123@suppliers-db:5432/suppliers_db",
        env="SUPPLIERS_DATABASE_URL"
    )
    
    # Suppliers-specific Redis database
    REDIS_DB: int = Field(default=4, env="SUPPLIERS_REDIS_DB")
    
    # File upload configuration
    MAX_UPLOAD_SIZE: int = 10 * 1024 * 1024  # 10MB
    UPLOAD_PATH: str = Field(default="/tmp/uploads", env="SUPPLIERS_UPLOAD_PATH")
    ALLOWED_FILE_EXTENSIONS: List[str] = [".csv", ".xlsx", ".xls", ".pdf", ".png", ".jpg", ".jpeg"]
    
    # Pagination
    DEFAULT_PAGE_SIZE: int = 50
    MAX_PAGE_SIZE: int = 500
    
    # Price validation
    MIN_UNIT_PRICE: float = 0.01
    MAX_UNIT_PRICE: float = 10000.0
    MIN_ORDER_AMOUNT: float = 1.0
    MAX_ORDER_AMOUNT: float = 100000.0
    
    # Supplier-specific cache TTL
    SUPPLIERS_CACHE_TTL: int = 900  # 15 minutes
    PURCHASE_ORDERS_CACHE_TTL: int = 300  # 5 minutes
    DELIVERIES_CACHE_TTL: int = 180  # 3 minutes
    PRICE_LIST_CACHE_TTL: int = 1800  # 30 minutes
    
    # Purchase order settings
    DEFAULT_PAYMENT_TERMS_DAYS: int = 30
    MAX_PAYMENT_TERMS_DAYS: int = 90
    DEFAULT_DELIVERY_DAYS: int = 3
    MAX_DELIVERY_DAYS: int = 30
    
    # Quality and rating settings
    MIN_QUALITY_RATING: float = 1.0
    MAX_QUALITY_RATING: float = 5.0
    MIN_DELIVERY_RATING: float = 1.0
    MAX_DELIVERY_RATING: float = 5.0
    
    # Lead time settings (in days)
    DEFAULT_LEAD_TIME: int = 3
    MAX_LEAD_TIME: int = 30
    
    # Order approval thresholds
    AUTO_APPROVE_THRESHOLD: float = 500.0  # Amounts below this auto-approve
    MANAGER_APPROVAL_THRESHOLD: float = 2000.0  # Manager approval required
    
    # Communication settings
    ORDER_CONFIRMATION_EMAIL: bool = True
    DELIVERY_NOTIFICATION_EMAIL: bool = True
    QUALITY_ISSUE_EMAIL: bool = True
    
    # Business hours for supplier contact (24h format)
    BUSINESS_HOURS_START: int = 8
    BUSINESS_HOURS_END: int = 18


# Global settings instance
settings = Settings()