import response from "../response.js";
import models from "../models/index.js";
import bcrypt from "bcrypt";

export const getUsers = async (req, res) => {
  try {
    const users = await models.User.findAll();
    response(200, users, "Success", res);
  } catch (error) {
    console.log(error);
    response(500, null, "Error retrieving users data!", res);
  }
};

export const getUserById = async (req, res) => {
  try {
    const { id } = req.params;
    const user = await models.User.findByPk(id);

    if (!user) {
      return response(404, null, "User not found", res);
    }

    response(200, user, "Success", res);
  } catch (error) {
    console.log(error);
    res.status(500).json({ message: "Internal Server Error" });
  }
};

export const updateUserById = async (req, res) => {
  try {
    const { id } = req.params;
    const { name, email, password, roles } = req.body;

    // Find the user by ID
    const user = await models.User.findByPk(id);

    if (!user) {
      return response(404, null, "User not found", res);
    }

    // Check if the email is unique if it is being updated
    if (email && email !== user.email) {
      const emailExists = await models.User.findOne({ where: { email } });
      if (emailExists) {
        return response(400, null, "Email already in use", res);
      }
      user.email = email;
    }

    // Hash the password if it is being updated
    if (password) {
      const salt = await bcrypt.genSalt(10);
      user.password = await bcrypt.hash(password, salt);
    }

    // Update other user information
    user.name = name || user.name;
    user.roles = roles || user.roles;

    // Manually update the updated_at field
    user.updated_at = new Date();

    // Save the updated user information
    await user.save();

    response(200, user, "User updated successfully", res);
  } catch (error) {
    console.log(error);
    res.status(500).json({ message: "Internal Server Error" });
  }
};

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

    // Find the user by ID
    const user = await models.User.findByPk(id);

    if (!user) {
      return response(404, null, "User not found", res);
    }

    // Delete the user
    await user.destroy();

    response(200, null, "User deleted successfully", res);
  } catch (error) {
    console.log(error);
    res.status(500).json({ message: "Internal Server Error" });
  }
};