import { toast } from 'sonner';
import { AssetRequest } from '@/types/asset-request';

/**
 * Notification utility for asset request events
 * Provides toast notifications for immediate feedback on asset request actions
 */

/**
 * Show notification when an asset request is submitted
 * @param request - The submitted asset request
 */
export const notifyRequestSubmitted = (request: AssetRequest) => {
  toast.success('Asset Request Submitted', {
    description: `Your request for ${request.requestedAssets.length} item(s) has been submitted successfully. Request ID: ${request.requestID}`,
    duration: 5000,
  });
};

/**
 * Show notification to admins when a new request is received
 * This would typically be called in a polling/websocket context
 * @param request - The new asset request
 */
export const notifyAdminNewRequest = (request: AssetRequest) => {
  toast.info('New Asset Request', {
    description: `${request.employeeName} has submitted a new asset request. Request ID: ${request.requestID}`,
    duration: 7000,
  });
};

/**
 * Show notification when an asset request is approved
 * @param request - The approved asset request
 */
export const notifyRequestApproved = (request: AssetRequest) => {
  const adminComment = request.adminComments 
    ? ` - ${request.adminComments}` 
    : '';
  
  toast.success('Asset Request Approved', {
    description: `Your asset request #${request.requestID} has been approved by ${request.reviewerName || 'an administrator'}${adminComment}`,
    duration: 7000,
  });
};

/**
 * Show notification when an asset request is rejected
 * @param request - The rejected asset request
 */
export const notifyRequestRejected = (request: AssetRequest) => {
  const adminComment = request.adminComments 
    ? ` Reason: ${request.adminComments}` 
    : '';
  
  toast.error('Asset Request Rejected', {
    description: `Your asset request #${request.requestID} has been rejected by ${request.reviewerName || 'an administrator'}.${adminComment}`,
    duration: 10000,
  });
};

/**
 * Show notification when assets are assigned to a request
 * @param request - The asset request with assigned assets
 */
export const notifyAssetsAssigned = (request: AssetRequest) => {
  const assetTypes = request.requestedAssets
    .map(item => `${item.quantity}x ${item.assetType}`)
    .join(', ');
  
  toast.success('Assets Assigned', {
    description: `Assets have been assigned to your request #${request.requestID}: ${assetTypes}. Assigned by ${request.assignerName || 'an administrator'}.`,
    duration: 10000,
  });
};

/**
 * Show notification when an admin approves a request (for admin feedback)
 * @param request - The approved asset request
 */
export const notifyAdminApprovalSuccess = (request: AssetRequest) => {
  toast.success('Request Approved', {
    description: `Asset request #${request.requestID} for ${request.employeeName} has been approved successfully.`,
    duration: 5000,
  });
};

/**
 * Show notification when an admin rejects a request (for admin feedback)
 * @param request - The rejected asset request
 */
export const notifyAdminRejectionSuccess = (request: AssetRequest) => {
  toast.success('Request Rejected', {
    description: `Asset request #${request.requestID} for ${request.employeeName} has been rejected.`,
    duration: 5000,
  });
};

/**
 * Show notification when an admin assigns assets (for admin feedback)
 * @param request - The asset request with assigned assets
 */
export const notifyAdminAssignmentSuccess = (request: AssetRequest) => {
  toast.success('Assets Assigned', {
    description: `Assets have been successfully assigned to ${request.employeeName} for request #${request.requestID}.`,
    duration: 5000,
  });
};

/**
 * Show error notification for failed operations
 * @param operation - The operation that failed
 * @param error - The error message
 */
export const notifyError = (operation: string, error: string) => {
  toast.error(`${operation} Failed`, {
    description: error,
    duration: 7000,
  });
};

/**
 * Show loading notification for async operations
 * @param message - The loading message
 * @returns Toast ID for dismissal
 */
export const notifyLoading = (message: string) => {
  return toast.loading(message);
};

/**
 * Dismiss a notification by ID
 * @param toastId - The toast ID to dismiss
 */
export const dismissNotification = (toastId: string | number) => {
  toast.dismiss(toastId);
};