const award = require("../controllers/Award.controller.js");

const db = require("..");

var router = require("express").Router();

// Create a new Award
router.post("/", award.create);

// GET AWARD
router.get("/", async (req, res) => {
  const id = req.query.id;
  if (!id) {
    return db.Award.findAll()
      .then(results => res.send(results))
  }

  return db.Award.findByPk(id)
    .then(async (award) => {
      if (award === null) {
        res.status(404).send({
          message: `Award with id=${id} was not found!`
        });
        return
      }
      res.send(award)
    })
    .catch(err => {
      res.status(500).send({
        message:
          err.message || "Some error occurred while retrieving awards."
      })
    })
});

// GET AWARD DETAILS
router.get("/details", async (req, res) => {
  const id = req.query.id;
  if (!id) {
    res.status(400).send({
      message: "Award id cannot be empty!"
    });
    return
  }
  return db.Award.findByPk(id, {
    include: [
      'awardHolders',
      'coursesRequired'
    ]
  })
    .then(async (award) => {
      if (award === null) {
        res.status(404).send({
          message: `Award with id=${id} was not found!`
        });
        return
      }
      res.send(award)
    })
    .catch(err => {
      res.status(500).send({
        message:
          err.message || "Some error occurred while retrieving awards."
      })
    })
});


// GET CATEGORIES
router.get("/categories", async (req, res) => {
  return db.Award.findAll({
    attributes: ['category'],
    group: ['category']
  })
    .then(async (awardCategories) => {
      if (awardCategories === null) {
        res.status(404).send({
          message: `Award categories were not found!`
        });
        return
      }
      res.send(awardCategories.map(awardCategory => awardCategory.category))
    })
    .catch(err => {
      res.status(500).send({
        message:
          err.message || "Some error occurred while retrieving award categories."
      })
    })
});



module.exports = {
  apiPath: "/api/awards",
  apiRouter: router
};