from sqlalchemy.orm import Session
from app.database import ActionLog
from typing import Optional
import json

class LoggingService:
    @staticmethod
    def log_action(
        db: Session,
        action_type: str,
        action: str,
        success: bool = True,
        message: Optional[str] = None,
        target_id: Optional[int] = None,
        target_name: Optional[str] = None,
        details: Optional[dict] = None
    ):
        """Log an action to the unified action log"""
        log_entry = ActionLog(
            action_type=action_type,
            target_id=target_id,
            target_name=target_name,
            action=action,
            success=success,
            message=message,
            details=json.dumps(details) if details else None
        )
        db.add(log_entry)
        db.commit()
    
    @staticmethod
    def log_wol_action(db: Session, server_id: int, server_name: str, success: bool, message: str):
        """Log WOL action"""
        LoggingService.log_action(
            db=db,
            action_type="wol",
            action="wake",
            success=success,
            message=message,
            target_id=server_id,
            target_name=server_name
        )
    
    @staticmethod
    def log_proxmox_vm_action(db: Session, action: str, vmid: str, vm_name: str, node: str, success: bool, message: str):
        """Log Proxmox VM actions (start/stop)"""
        LoggingService.log_action(
            db=db,
            action_type="proxmox",
            action=action,
            success=success,
            message=message,
            target_id=int(vmid) if vmid.isdigit() else None,
            target_name=vm_name,
            details={"node": node, "vmid": vmid}
        )
    
    @staticmethod
    def log_proxmox_cluster_action(db: Session, action: str, cluster_id: int, cluster_name: str, success: bool, message: str):
        """Log Proxmox cluster actions (create/delete)"""
        LoggingService.log_action(
            db=db,
            action_type="proxmox",
            action=action,
            success=success,
            message=message,
            target_id=cluster_id,
            target_name=cluster_name
        )
    
    @staticmethod
    def log_server_action(db: Session, action: str, server_id: int, server_name: str, success: bool, message: str):
        """Log server actions (create/update/delete)"""
        LoggingService.log_action(
            db=db,
            action_type="server",
            action=action,
            success=success,
            message=message,
            target_id=server_id,
            target_name=server_name
        )
    
    @staticmethod
    def log_host_action(db: Session, action: str, host_id: int, host_name: str, success: bool, message: str):
        """Log Proxmox host actions (create/update/delete/wake/shutdown)"""
        LoggingService.log_action(
            db=db,
            action_type="host",
            action=action,
            success=success,
            message=message,
            target_id=host_id,
            target_name=host_name
        )