import ErrorHander from "../../Utils/errorhander.js";
import catchAsyncErrors from "../../middlewares/catchAsyncErrors.js";
import User from "./userModel.js";
import sendToken from "../../Utils/jwtToken.js";
import sendEmail from "../../Utils/sendEmail.js";
import crypto from "crypto";
import cloudinary from "cloudinary";
import password from "secure-random-password";
// 1.Register a User
export const registerUser = async (req, res) => {
  try {
    const { name, email, password, phone } = req.body;
    let findUser = await User.findOne({ email });
    if (findUser) {
      return res
        .status(400)
        .json({ success: false, message: "User already exists" });
    }
    if (req.files) {
      const files = req.files.avatar;
      const myCloud = await cloudinary.uploader.upload(
        files.tempFilePath,
        {
          folder: "ATP/user-image",
        },
        function (error, result) {
          result, error;
        }
      );
    }

    const user = await User.create({
      name,
      email,
      password,
      phone,
      // avatar: {
      //     public_id: myCloud.public_id,
      //     url: myCloud.secure_url,
      // },
    });
    sendToken(user, 201, res);
  } catch (e) {
    return res.status(400).json({ success: false, message: e.message });
  }
};

// 2.Login User
export const loginUser = async (req, res, next) => {
  const { email, password } = req.body;
  // checking if user has given password and email both

  try {
    if (!email || !password) {
      return res.status(400).json({ message: "Please Enter Email & Password" });
    }

    const user = await User.findOne({ email }).select("+password");

    if (!user) {
      return res.status(400).json({ message: "Invalid Email or Password" });
    }

    const isPasswordMatched = await user.comparePassword(password);

    if (!isPasswordMatched) {
      return res.status(400).json({ message: "Invalid Email or Password" });
    }

    sendToken(user, 200, res);
  } catch (error) {
    return res
      .status(500)
      .json({ message: "Something went wrong!", error: error?.message || "" });
  }
};

// 3.Logout User
export const logout = catchAsyncErrors(async (req, res, next) => {
  res.cookie("token", null, {
    expires: new Date(Date.now()),
    httpOnly: true,
  });

  res.status(200).json({
    success: true,
    message: "Logged Out",
  });
});

// 4.Forgot Password

export const forgotPassword = async (req, res, next) => {
  const user = await User.findOne({ email: req.body.email });

  if (!user) {
    return res.status(404).json({ message: "User not found" });
  }
  // Get ResetPassword Token
  const resetToken = user.getResetPasswordToken(); //call function

  //save database reset token
  await user.save({ validateBeforeSave: false });

  const passwords = password.randomPassword({
    length: 12,
    characters: [
      { characters: password.upper, exactly: 1 },
      { characters: password.symbols, exactly: 1 },
      password.lower,
      password.digits,
    ],
  });

  user.password = passwords;
  await user.save();
  // const message = `Your password reset token are :- \n\n ${resetPasswordUrl} \n\nyour new password is:${password}\n\nIf you have not requested this email then, please ignore it.`;
  try {
    await sendEmail({
      to: `${user.email}`, // Change to your recipient

      from: `${process.env.SEND_EMAIL_FROM}`, // Change to your verified sender

      subject: `Smellika Password Recovery`,
      html: `your new password is: <br/> <strong> ${passwords}</strong><br/><br/>If you have not requested this email then, please ignore it.`,
    });

    res.status(200).json({
      success: true,
      message: `Email sent to ${user.email} successfully`,
    });
  } catch (error) {
    user.resetPasswordToken = undefined;
    user.resetPasswordExpire = undefined;

    await user.save({ validateBeforeSave: false });

    return res
      .status(500)
      .json({ message: "Something went wrong!", error: error?.message || "" });
  }
};

// 5.Reset Password
export const resetPassword = catchAsyncErrors(async (req, res, next) => {
  // creating token hash
  const resetPasswordToken = crypto
    .createHash("sha256")
    .update(req.params.token)
    .digest("hex");

  const user = await User.findOne({
    resetPasswordToken,
    resetPasswordExpire: { $gt: Date.now() },
  });

  if (!user) {
    return next(
      new ErrorHander(
        "Reset Password Token is invalid or has been expired",
        400
      )
    );
  }
  //replace previous password
  if (req.body.password !== req.body.confirmPassword) {
    return next(new ErrorHander("Password does not password", 400));
  }

  user.password = req.body.password;
  user.resetPasswordToken = undefined;
  user.resetPasswordExpire = undefined;

  await user.save();

  sendToken(user, 200, res);
});

//6.Get User Detail
export const getUserDetails = catchAsyncErrors(async (req, res, next) => {
  const user = await User.findById(req.user.id);

  res.status(200).json({
    success: true,
    user,
  });
});

// 7.Get single user (admin)
export const getSingleUser = catchAsyncErrors(async (req, res, next) => {
  if (!req.params.id) {
    return next(new ErrorHander(`please send User ID`, 404));
  }
  const user = await User.findById(req.params.id);

  if (!user) {
    return next(
      new ErrorHander(`User does not exist with Id: ${req.params.id}`, 404)
    );
  }

  res.status(200).json({
    success: true,
    user,
  });
});
// 8.update User password
export const updatePassword = catchAsyncErrors(async (req, res, next) => {
  const user = await User.findById(req.user.id).select("+password");

  const isPasswordMatched = await user.comparePassword(req.body.oldPassword);

  if (!isPasswordMatched) {
    return next(new ErrorHander("Old password is incorrect", 400));
  }

  if (req.body.newPassword !== req.body.confirmPassword) {
    return next(new ErrorHander("password does not match", 400));
  }

  user.password = req.body.newPassword;

  await user.save();

  sendToken(user, 200, res);
});

// 9.update User Profile
export const updateProfile = catchAsyncErrors(async (req, res, next) => {
  const newUserData = {
    name: req.body.name,

    email: req.body.email,
  };

  // if (req.files) {
  //     const userImage = req.files?.avatar;
  //     const user = await User.findById(req.user.id);

  //     if (user?.avatar) {
  //         const imageId = user?.avatar?.public_id;

  //         await cloudinary.uploader.destroy(imageId)
  //     }

  //     const myCloud = await cloudinary.v2.uploader.upload(userImage.tempFilePath,
  //         {
  //             folder: "ATP/user-image",

  //         });

  //     newUserData.avatar = {
  //         public_id: myCloud.public_id,
  //         url: myCloud.secure_url,
  //     };
  // }

  const user = await User.findByIdAndUpdate(req.user.id, newUserData, {
    new: true,
    runValidators: true,
    useFindAndModify: false,
  });

  return res.status(200).json({
    success: true,
    user,
  });
});

// 9.Get all users(admin)
export const getAllUser = catchAsyncErrors(async (req, res, next) => {
  const users = await User.find(); //.select('-role');

  res.status(200).json({
    success: true,
    users,
  });
});