const Message = require("../models/message.js");
const asyncHandler = require("express-async-handler");
const { body, validationResult } = require("express-validator");
const { default: mongoose } = require("mongoose");

exports.index = asyncHandler(async (req, res, next) => {
  // gets message from database
  const message = await Message.findOne({ _id: req.params.message })
    .lean()
    .exec();
  res.render("message", {
    message: message,
    user: req.user,
  });
});

exports.message_create_get = (req, res, next) => {
  res.render("createmessage");
};

exports.message_create_post = [
  // Validate and sanitize title
  body("title", "Please enter Insight title!")
    .trim()
    .isLength({ min: 1 })
    .escape(),

  // Validate and sanitize text
  body("message", "Please enter your Insight!")
    .trim()
    .isLength({ min: 1 })
    .escape(),

  // Process request after validation and sanitization.
  asyncHandler(async (req, res, next) => {
    // Extract the validation errors from a request.
    const errors = validationResult(req);

    // if there are validation errors
    if (!errors.isEmpty()) {
      // Render the creation form again with sanitized values/error messages.
      res.render("createmessage", {
        errors: errors.array(),
      });
      return;
    }
    // Data from form is valid.
    else {
      // create new user with temporary password
      let message = new Message({
        title: req.body.title,
        date: new Date(),
        text: req.body.message,
        author: req.user.name,
        _id: new mongoose.Types.ObjectId(),
      });

      await message.save();
      // saved. Redirect to home page.
      res.redirect(`/`);
    }
  }),
];

exports.message_delete_get = asyncHandler(async (req, res, next) => {
  // delete message from database
  await Message.findByIdAndDelete(req.params.message);
  res.redirect("/");
});