import { NextResponse } from "next/server";

export interface Notification {
  id: string;
  title: string;
  message: string;
  type: "whale" | "weather" | "excursion" | "info";
  timestamp: string;
  read: boolean;
}

// Notifications stockées (en production, utiliser une base de données)
let notifications: Notification[] = [
  {
    id: "1",
    title: "Observation de baleines",
    message: "Les baleines ont été vues au nord de l'île ce matin !",
    type: "whale",
    timestamp: new Date().toISOString(),
    read: false,
  },
];

export async function GET() {
  return NextResponse.json(notifications);
}

export async function POST(request: Request) {
  try {
    const body = await request.json();
    const { title, message, type } = body;
    
    const notification: Notification = {
      id: `notif-${Date.now()}`,
      title,
      message,
      type: type || "info",
      timestamp: new Date().toISOString(),
      read: false,
    };
    
    notifications.unshift(notification);
    
    // Limiter à 50 notifications
    if (notifications.length > 50) {
      notifications = notifications.slice(0, 50);
    }
    
    return NextResponse.json({ success: true, notification });
  } catch (error) {
    return NextResponse.json(
      { success: false, message: "Erreur lors de la création de la notification" },
      { status: 400 }
    );
  }
}

export async function PATCH(request: Request) {
  try {
    const body = await request.json();
    const { id, read } = body;
    
    const notification = notifications.find((n) => n.id === id);
    if (notification) {
      notification.read = read;
    }
    
    return NextResponse.json({ success: true });
  } catch (error) {
    return NextResponse.json(
      { success: false, message: "Erreur lors de la mise à jour" },
      { status: 400 }
    );
  }
}