import { getStartAndEndOfDay } from "../Task/TaskController.js";
import { Notification } from "./notificationModal.js";

export const getNotification = async (req, res) => {
  try {
    // Ensure req.user._id is defined and valid
    console.log("req came here ");
    if (!req.user || !req.user._id) {
      return res.status(400).json({ return_message: "Invalid user ID" });
    }

    // Fetch notifications for the user
    const notifications = await Notification.find({
      added_for: req.user._id,
    }).sort({ createdAt: -1 });

    if (notifications && notifications.length > 0) {
      return res
        .status(200)
        .json({ return_message: "Fetched notifications", notifications });
    }

    return res.status(402).json({ return_message: "No notifications found" });
  } catch (error) {
    return res
      .status(500)
      .json({ return_message: "Something went wrong", error });
  }
};

export const getSingleNotification = async (req, res) => {
  try {
    const notificationId = req.params.id;

    // Validate notificationId
    if (!notificationId) {
      return res
        .status(400)
        .json({ return_message: "Notification ID is required" });
    }

    // Fetch the notification by ID
    const notification = await Notification.findById(notificationId);

    if (notification) {
      return res
        .status(200)
        .json({ return_message: "Fetched notification", notification });
    }

    return res.status(404).json({ return_message: "Notification not found" });
  } catch (error) {
    return res
      .status(500)
      .json({ return_message: "Something went wrong", error });
  }
};
export const getNotificationByDates = async (req, res) => {
  try {
    const filter = { added_for: req.user._id }; // Default filter by user ID

    // Get the date from the query and parse it
    const { Date: queryDate } = req.query;
    let notificationDate = queryDate
      ? new Date(queryDate.split("/").reverse().join("-")) // Convert DD/MM/YYYY to YYYY-MM-DD
      : new Date(); // Default to today's date

    // Get the start and end of the day
    const { startOfDay, endOfDay } = getStartAndEndOfDay(notificationDate);

    // Find notifications filtered by user and date range
    const notifications = await Notification.find({
      ...filter,
      createdAt: { $gte: startOfDay, $lte: endOfDay },
    }).sort({ createdAt: -1 });

    if (notifications.length > 0) {
      return res.status(200).json({
        success: true,
        notifications,
      });
    }

    return res
      .status(404)
      .json({ success: false, message: "No notifications found" });
  } catch (error) {
    res.status(500).json({
      success: false,
      message: error.message,
    });
  }
};