import { RequestHandler } from "express";
import { getPiece } from "../services/pieces.service";
import boxService from "../services/box.service";
import { Either, eitherLeft, eitherRight, eitherFormatError, Pair, createPair } from '../utils/utils';
import { Box } from '../types/box'
import { Piece } from '../types/piece'
import memberService from "../services/member.service";
import modelService from "../services/model.service";
import { getBuyedPiecesFromMember } from "../services/pieces.service";

const boxByTitle: RequestHandler<{ title: string; }> = async (req, res) => {
  const boxEither = await boxService.getBox(req.params.title);

  if (boxEither.hasRight) {
    res.sendStatus(404);
    return;
  }

  const box = boxEither.left;

  res.render('box.ejs', { box });
};

const allBoxes: RequestHandler = async (_req, res) => {
  const boxes = await boxService.getAllBoxes();
  res.render('boxes.ejs', { boxes });
};

const allBoxesFromDate: RequestHandler<{ date: string; }> = async (req, res) => {
	const date = new Date(req.params.date);
	// If the input isn't a date
	if (isNaN(date.getTime())) {
		res.sendStatus(400);
		return;
	}

  const boxes = await boxService.getAllBoxesFromDate(date);
  res.render('boxes.ejs', { boxes });
};

const boxAddPieces: RequestHandler<{ title: string; }> = async (req, res) => {
  const boxEither: Either<Box, string> = await boxService.getBox(req.params.title);

  if (boxEither.hasRight) {
    res.sendStatus(404);
    return;
  }

  const piece: Either<Piece, string> = await getPiece(req.body.numero_piece);
  if (piece.hasRight) {
    res.status(404).send(eitherFormatError(piece));
    return;
  }

  if (boxEither.left.pieces.map(p => p.first.id_piece).includes(piece.left.id_piece)) {
    res.status(401).send({});
    return;
  }

  await boxService.addPiecesToBox(boxEither.left.id, piece.left.id_piece, req.body.quantite);

  res.redirect(`/boxes/${req.params.title}`);
};

const boxAddPiecesById: RequestHandler<{ id_box: string; }> = async (req, res) => {
  if (isNaN(parseInt(req.params.id_box))) {
    res.sendStatus(400);
    return;
  }
  const boxEither: Either<Box, string> = await boxService.getBox(parseInt(req.params.id_box));

  if (boxEither.hasRight) {
    res.sendStatus(404);
    return;
  }

  const piece: Either<Piece, string> = await getPiece(req.body.numero_piece);
  if (piece.hasRight) {
    res.status(404).send(eitherFormatError(piece));
    return;
  }

  if (boxEither.left.pieces.map(p => p.first.id_piece).includes(piece.left.id_piece)) {
    res.status(401).send({});
    return;
  }

  await boxService.addPiecesToBox(boxEither.left.id, piece.left.id_piece, req.body.quantite);

  res.redirect(`/boxes/byid/${req.params.id_box}`);
};

const boxRemovePiece: RequestHandler<{ title: string; }> = async (req, res) => {
  const boxEither: Either<Box, string> = await boxService.getBox(req.params.title);

  if (boxEither.hasRight) {
    res.sendStatus(404);
    return;
  }

  const id: any = req.query.id_piece;
  const piece: Either<Piece, string> = await getPiece(id as number);
  if (piece.hasRight) {
    res.status(404).send(eitherFormatError(piece));
    return;
  }
  if (!boxEither.left.pieces.map(p => p.first.id_piece).includes(piece.left.id_piece)) {
    res.status(401).send({});
    return;
  }

  await boxService.removePieceFromBox(boxEither.left.id, piece.left.id_piece);

  res.status(200).send();
};

const boxRemovePieceById: RequestHandler<{ id_box: string; }> = async (req, res) => {
  if (isNaN(parseInt(req.params.id_box))) {
    res.sendStatus(400);
    return;
  }
  const boxEither: Either<Box, string> = await boxService.getBox(parseInt(req.params.id_box));

  if (boxEither.hasRight) {
    res.sendStatus(404);
    return;
  }

  const id: any = req.query.id_piece;
  const piece: Either<Piece, string> = await getPiece(id as number);
  if (piece.hasRight) {
    res.status(404).send(eitherFormatError(piece));
    return;
  }
  if (!boxEither.left.pieces.map(p => p.first.id_piece).includes(piece.left.id_piece)) {
    res.status(401).send({});
    return;
  }

  await boxService.removePieceFromBox(boxEither.left.id, piece.left.id_piece);

  res.status(200).send();
};

const boxById: RequestHandler<{ id: string; }> = async (req, res) => {
  const id = parseInt(req.params.id);
  const boxEither = await boxService.getBox(id);

  if (boxEither.hasRight) {
    res.sendStatus(404);
    return;
  }

  const box = boxEither.left;

  res.render('box.ejs', { box });
};

const registerBox: RequestHandler = async (req, res, next) => {
  const id_box = parseInt(req.body.id_box);
  const id_member = parseInt(req.body.id_member);
  const quantity = parseInt(req.body.quantity);

  await boxService.registerBox(id_box, id_member, quantity);

  const memberEither = await memberService.getMember(id_member);

	if (memberEither.hasRight) {
		console.error(memberEither.right);
		next();
		return;
	}

	const member = memberEither.left;
  const models = await modelService.getAllBuildableModels(member.id_member);
  const boxes = await boxService.getBoxesFromMember(member.id_member);
  const pieces = await getBuyedPiecesFromMember(member.id_member);
  const allboxes = await boxService.getAllBoxes();

  res.render('member.ejs', { member, models, boxes, pieces, allboxes });
};

const boxController = {
  boxAddPieces,
  boxAddPiecesById,
  boxRemovePiece,
	boxByTitle,
	allBoxes,
	allBoxesFromDate,
	boxById,
	registerBox,
  boxRemovePieceById
};

export default boxController;