# hermes-web-cli renew.dspy
# Business logic for service renewal and management

import json
from datetime import datetime, timedelta

def get_service_info(service_id: str) -> dict:
    """Get detailed service information including status and usage stats"""
    # This function will be called by the .ui files through data_url
    from hermes_web_cli.init import get_service_by_id
    service = get_service_by_id(service_id)
    if not service:
        return {"error": "Service not found"}
    
    # Add additional info like usage stats, renewal date, etc.
    service_info = service.copy()
    service_info.update({
        "renewal_date": (datetime.now() + timedelta(days=30)).isoformat(),
        "usage_stats": {
            "total_sessions": 150,
            "active_sessions": 12,
            "api_calls_today": 2340
        }
    })
    return service_info

def renew_service(service_id: str, renewal_period: str = "monthly") -> dict:
    """Renew a Hermes service subscription"""
    from hermes_web_cli.init import get_service_by_id
    service = get_service_by_id(service_id)
    if not service:
        return {"success": False, "error": "Service not found"}
    
    # Calculate new renewal date based on period
    now = datetime.now()
    if renewal_period == "monthly":
        new_renewal = now + timedelta(days=30)
    elif renewal_period == "yearly":
        new_renewal = now + timedelta(days=365)
    else:
        new_renewal = now + timedelta(days=30)
    
    # Update service in database (placeholder)
    renewed_service = service.copy()
    renewed_service.update({
        "renewal_date": new_renewal.isoformat(),
        "status": "active",
        "last_renewed": now.isoformat()
    })
    
    return {"success": True, "service": renewed_service}

def get_renewal_options() -> list:
    """Get available renewal options"""
    return [
        {"id": "monthly", "name": "月度续费", "price": "¥299/月"},
        {"id": "quarterly", "name": "季度续费", "price": "¥799/季"},  
        {"id": "yearly", "name": "年度续费", "price": "¥2899/年"}
    ]

def validate_renewal_request(service_id: str, payment_method: str) -> dict:
    """Validate renewal request before processing"""
    from hermes_web_cli.init import get_service_by_id
    service = get_service_by_id(service_id)
    if not service:
        return {"valid": False, "error": "Service not found"}
    
    if payment_method not in ["credit_card", "alipay", "wechat_pay"]:
        return {"valid": False, "error": "Invalid payment method"}
    
    return {"valid": True, "service_name": service["name"]}

# Module exports for template access
__all__ = [
    'get_service_info',
    'renew_service', 
    'get_renewal_options',
    'validate_renewal_request'
]