// noinspection DuplicatedCode

import Game from "../models/Game.js";
import steamScraper from "../scripts/scraper.js";
import asyncHandler from "../middleware/async.js";
import ErrorResponse from "../utils/errorResponse.js";
import { decode, isValid } from "js-base64";

const checkForHexRegExp = new RegExp("^[0-9a-fA-F]{24}$");
const checkForTwelveRegExp = new RegExp("^[0-9a-fA-F]{12}$");
/**
 * games.js
 *
 * @description :: Server-side logic for managing games.
 */

/**
 * gameController.list()
 */
export const list = asyncHandler(async (req, res, next) => {
  const data = res.advancedResults.data;
  if (data[0]?.accessedBy) {
    for (let i = 0; i < data.length; i++) {
      for (let x = 0; x < data[i].accessedBy.length; x++) {
        if (data[i].accessedBy[x].user.toString() !== req.user.id)
          data[i].accessedBy.splice(x, 1);
      }
    }
  }
  return res.status(200).json(res.advancedResults);
});

/**
 * gameController.show()
 */
export const show = asyncHandler(async (req, res, next) => {
  const { id } = req.params;

  const gameId =
    id === id.match(checkForTwelveRegExp) || id.match(checkForHexRegExp)
      ? "_id"
      : "steamId";

  const game = await Game.findOne({ [gameId]: id });

  if (!game)
    return next(
      new ErrorResponse(`Game not found with id of ${req.params.id}`, 404),
    );

  if (
    !game.accessedBy
      .map((x) => x.user.toString() === req.user.id)
      .includes(true)
  )
    return next(
      new ErrorResponse(
        `You do not have permission to access Game ID ${req.params.id}`,
        401,
      ),
    );

  const userGame = await Game.findOne({ [gameId]: id }).select(
    "-createdBy -__v",
  );

  for (let i = 0; i < userGame.accessedBy.length; i++) {
    if (userGame.accessedBy[i].user.toString() !== req.user.id)
      userGame.accessedBy.splice(i, 1);
  }

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

/**
 * gameController.create()
 */
export const create = asyncHandler(async (req, res, next) => {
  let oldGame;
  let steamId;

  if (req.body.steamId.includes("store.steampowered.com"))
    steamId = req.body.steamId.match(/\d+/)[0];
  else steamId = req.body.steamId;

  if (req.body.shortDesc && isValid(req.body.shortDesc))
    req.body.shortDesc = decode(req.body.shortDesc);
  if (req.body.reviews && isValid(req.body.reviews))
    req.body.reviews = decode(req.body.reviews);
  if (req.body.summary && isValid(req.body.summary))
    req.body.summary = decode(req.body.summary);
  isValid(req.body.systemRequirements?.windows?.minimum)
    ? (req.body.systemRequirements.windows.minimum = decode(
        req.body.systemRequirements.windows.minimum,
      ))
    : "";
  isValid(req.body.systemRequirements?.windows?.recommended)
    ? (req.body.systemRequirements.windows.recommended = decode(
        req.body.systemRequirements.windows.recommended,
      ))
    : "";
  isValid(req.body.systemRequirements?.mac?.minimum)
    ? (req.body.systemRequirements.mac.minimum = decode(
        req.body.systemRequirements.mac.minimum,
      ))
    : "";
  isValid(req.body.systemRequirements?.mac?.recommended)
    ? (req.body.systemRequirements.mac.recommended = decode(
        req.body.systemRequirements.mac.recommended,
      ))
    : "";
  isValid(req.body.systemRequirements?.linux?.minimum)
    ? (req.body.systemRequirements.linux.minimum = decode(
        req.body.systemRequirements.linux.minimum,
      ))
    : "";
  isValid(req.body.systemRequirements?.linux?.recommended)
    ? (req.body.systemRequirements.linux.recommended = decode(
        req.body.systemRequirements.linux.recommended,
      ))
    : "";

  steamId.length > 0
    ? (oldGame = await Game.findOne({
        steamId: steamId,
        "accessedBy.user": req.user.id,
      }))
    : (oldGame = await Game.findOne({
        title: req.body.title,
        "accessedBy.user": req.user.id,
      }));

  if (oldGame)
    return next(
      new ErrorResponse(
        `The game ${oldGame.title} already exists in users account.`,
        400,
      ),
    );

  steamId.length > 0
    ? (oldGame = await Game.findOne({ steamId: steamId }))
    : (oldGame = await Game.findOne({ title: req.body.title }));

  if (oldGame) {
    oldGame.accessedBy.push({
      user: req.user.id,
      store: req.body.accessedBy[0].store,
      playStatus: req.body.accessedBy[0].playStatus,
      soundtrack: req.body.accessedBy[0].soundtrack,
      rating: req.body.accessedBy[0].rating,
    });

    oldGame.lastModifiedBy = req.user.id;

    await oldGame.save();
    return res.status(200).json({
      success: true,
      data: oldGame,
    });
  }

  req.body.createdBy = req.user.id;
  req.body.lastModifiedBy = req.user.id;
  req.body.accessedBy[0].user = req.user.id;
  const data =
    req.body.scrape === true ? await steamScraper(req.body) : req.body;

  const game = await Game.create(data);

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

/**
 * gameController.update()
 */
export const update = asyncHandler(async (req, res, next) => {
  const { id } = req.params;

  const gameId =
    id === id.match(checkForTwelveRegExp) || id.match(checkForHexRegExp)
      ? "_id"
      : "steamId";

  if (req.body.shortDesc && isValid(req.body.shortDesc))
    req.body.shortDesc = decode(req.body.shortDesc);
  if (req.body.reviews && isValid(req.body.reviews))
    req.body.reviews = decode(req.body.reviews);
  if (req.body.summary && isValid(req.body.summary))
    req.body.summary = decode(req.body.summary);
  isValid(req.body.systemRequirements?.windows?.minimum)
    ? (req.body.systemRequirements.windows.minimum = decode(
        req.body.systemRequirements.windows.minimum,
      ))
    : "";
  isValid(req.body.systemRequirements?.windows?.recommended)
    ? (req.body.systemRequirements.windows.recommended = decode(
        req.body.systemRequirements.windows.recommended,
      ))
    : "";
  isValid(req.body.systemRequirements?.mac?.minimum)
    ? (req.body.systemRequirements.mac.minimum = decode(
        req.body.systemRequirements.mac.minimum,
      ))
    : "";
  isValid(req.body.systemRequirements?.mac?.recommended)
    ? (req.body.systemRequirements.mac.recommended = decode(
        req.body.systemRequirements.mac.recommended,
      ))
    : "";
  isValid(req.body.systemRequirements?.linux?.minimum)
    ? (req.body.systemRequirements.linux.minimum = decode(
        req.body.systemRequirements.linux.minimum,
      ))
    : "";
  isValid(req.body.systemRequirements?.linux?.recommended)
    ? (req.body.systemRequirements.linux.recommended = decode(
        req.body.systemRequirements.linux.recommended,
      ))
    : "";

  let game = await Game.findOne({
    [gameId]: id,
    "accessedBy.user": req.user.id,
  });

  if (!game)
    return next(
      new ErrorResponse(`A game with the id of ${id} does not exist`, 401),
    );

  game = await Game.findOneAndUpdate(
    { [gameId]: id, "accessedBy.user": req.user.id },
    {
      $set: {
        series: req.body.series,
        intel: req.body.intel,
        genre: req.body.genre,
        wine: req.body.wine,
        lastModifiedBy: req.user.id,
        "accessedBy.$.store": req.body.accessedBy[0].store,
        "accessedBy.$.playStatus": req.body.accessedBy[0].playStatus,
        "accessedBy.$.soundtrack": req.body.accessedBy[0].soundtrack,
        "accessedBy.$.rating": req.body.accessedBy[0].rating,
      },
    },
    { new: true, runValidators: true },
  );

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

/**
 * gameController.remove()
 */
export const remove = asyncHandler(async (req, res, next) => {
  const { id } = req.params;

  const gameId =
    id === id.match(checkForTwelveRegExp) || id.match(checkForHexRegExp)
      ? "_id"
      : "steamId";

  let game = await Game.findOne({
    [gameId]: id,
    "accessedBy.user": req.user.id,
  });

  if (!game)
    return next(
      new ErrorResponse(`A game with the id of ${id} does not exist`, 401),
    );

  if (game.accessedBy.length > 1) {
    await Game.findOneAndUpdate(
      { [gameId]: id, "accessedBy.user": req.user.id },
      {
        $pull: {
          accessedBy: { user: req.user.id },
        },
      },
      { new: true, runValidators: true },
    );
  } else {
    await Game.findOneAndDelete({ [gameId]: id });
  }

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