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const express = require("express");
const { setProperties, getUserProp, emptyProps, getUserById } = require("../functions/users");
const { getGame } = require('../functions/game');
const user = express.Router();

// Return the info of the user.
user.get("/:userID", async (req, res) => {
  try {
    const userID = req.params.userID;
    const result = await getUserProp(userID);
    if (result.length <= 0) {
      throw new Error("no_properties")
    }
    let games = {};
    for (let i = 0; i < result.length; i++) {
      let gameName = result[i].gameName;
      let property = result[i].property;

      try {
        property = JSON.parse(property);
      } catch (e) {
      }

      if (games[gameName] === undefined) {
        games[gameName] = { "gameName": gameName, "property": [property] };
      } else {
        games[gameName].property.push(property);
      }
    }

    let all = [];
    for (let gameName in games) {
      let game = games[gameName];
      all.push(game);
    }
    const user = result.map(u => {
      delete u.password;
      delete u.creationDate;
      delete u.gameID;
      delete u.gameName;
      delete u.property;
      return u;
    })
    res.status(200).send({ status: true, user: user[0], games: all })
  }
  catch (err) {
    if (err.message === "no_properties") {
      const userID = req.params.userID;
      const user = await getUserById(userID);
      const result = {
        username: user.username,
        userID: user.userID,
        email: user.email,
        userDescription: user.userDescription
      }
      res.status(500).send({ status: false, user: result })
    } else {
      console.log(err)
    }
  }
}
);

// Update the properties of the user.
user.post("/:userID", async (req, res) => {
  try {
    const userID = req.params.userID;
    const newProps = req.body.properties;
    const gameID = req.body.gameID;

    const userDB = await getUserById(userID);
    /* const gameDB = await getGame("gameName", gameName); */
    if (newProps.length > 0) {
      const set = await setProperties(userDB.userID, gameID, newProps)
    } else if (newProps.length === 0) {
      const set2 = await emptyProps(userDB.userID, gameID)
    }
    res.status(200).send({ status: true });
  }
  catch (err) {
    console.log(err)
    res.status(500).send({ status: false });
  }
});

module.exports = user;