const Department = require("../models/department");

module.exports = {
  departments: async (req, res) => {
    try {
      const result = await Department.findAllDepartments();
      if (!result) {
        return res
          .status(404)
          .json({ message: "Sorry no Department has been setup." });
      }

      console.log(`Department, successfully pulled on ${new Date()} `);

      return res.status(200).json(result);
    } catch (error) {
      console.error("Error occurred:", error);
      res.status(500).json({ error: true, message: "Internal Server Error" });
    }
  },

  departmentById: async (req, res) => {
    const { id } = req.body;
    try {
      const result = await Department.findDepartmentById(id);
      if (!result) {
        return res
          .status(404)
          .json({ message: "Sorry that Department does not exist." });
      }

      console.log(
        `Department with id ${id}, successfully pulled on ${new Date()} `
      );

      return res.status(200).json(result);
    } catch (error) {
      console.error("Error occurred:", error);
      res.status(500).json({ error: true, message: "Internal Server Error" });
    }
  },

  createDepartment: async (req, res) => {
    const { name } = req.body;

    try {
      const serv = await Department.findDepartmentByName(name);
      if (serv) {
        return res.status(400).json({
          message:
            "Sorry there is an existing Department with that name. Choose a different name",
        });
      }

      const newDepartment = { name };

      const result = await Department.createDepartment(newDepartment);

      console.log(`successfully Created a new Department on ${new Date()}`);
      return res.status(201).json(result);
    } catch (error) {
      console.error("Error occurred:", error);
      res.status(500).json({ error: true, message: "Internal Server Error" });
    }
  },

  updateAvailableDepartment: async (req, res) => {
    const { id, name } = req.body;

    try {
      const serv = await Department.findDepartmentById(id);
      if (!serv) {
        return res.status(400).json({
          message: "Sorry there seems to be a problem. Try again latter",
        });
      }

      const updatedDepartment = {
        id,
        name,
        updated_by: req.userId,
        updated_at: new Date(),
      };

      const result = await Department.updateDepartment(updatedDepartment);

      console.log(
        `Successfully Updated Deparment ${
          updatedDepartment.name
        } at ${new Date()}`
      );
      return res.status(201).json(result);
    } catch (error) {
      console.error("Error occurred:", error);
      res.status(500).json({ error: true, message: "Internal Server Error" });
    }
  },
};