import Role from "../../models/role.model";
import { ApiErrorHandler } from "../../error/api-error.handler";
import User from "../../models/user.model";
import type { IUserDto } from "./user.dto";
import type { Order } from "sequelize";
import type {
  FilterQueryParamType,
  RangeQueryParamType,
  SortQueryParamType
} from "../query-param.types";
import type { NextFunction, Request, Response } from "express";

class UserController {
  getAll = async (
    req: Request,
    res: Response<{ data: User[]; total: number }>,
    next: NextFunction
  ) => {
    try {
      const range: RangeQueryParamType = req.query.range
        ? JSON.parse(req.query.range.toString())
        : [0, 10];
      const sort: SortQueryParamType = req.query.sort
        ? JSON.parse(req.query.sort.toString())
        : ["id", "ASC"];

      const users = await User.findAndCountAll({
        attributes: { exclude: ["password"] },
        include: Role,
        offset: range[0],
        limit: range[1] - range[0] + 1,
        order: [sort] as Order
      });

      return res.json({ data: users.rows, total: users.count });
    } catch (error) {
      next(ApiErrorHandler.internal((error as Error).message));
    }
  };

  getMany = async (req: Request, res: Response<{ data: User[] }>, next: NextFunction) => {
    try {
      const filter: FilterQueryParamType = req.query.filter
        ? JSON.parse(req.query.filter.toString())
        : { ids: [] };

      const users = await User.findAll({
        where: { id: filter.ids as number[] }
      });
      return res.json({ data: users });
    } catch (error) {
      next(ApiErrorHandler.internal((error as Error).message));
    }
  };

  create = async (
    req: Request<object, object, IUserDto>,
    res: Response<User>,
    next: NextFunction
  ) => {
    try {
      const { nickname, avatar, email, password, role_id } = req.body;
      const user = await User.create({ nickname, avatar, email, password, role_id });
      return res.json(user);
    } catch (error) {
      next(ApiErrorHandler.internal((error as Error).message));
    }
  };

  getById = async (
    req: Request<{ id: number }>,
    res: Response<User>,
    next: NextFunction
  ) => {
    try {
      const { id } = req.params;
      const user = await User.findByPk(id);
      if (!user) return next(ApiErrorHandler.notFound("Такого пользователя не найдено"));

      return res.json(user);
    } catch (error) {
      next(ApiErrorHandler.internal((error as Error).message));
    }
  };

  update = async (
    req: Request<{ id: number }, object, IUserDto>,
    res: Response<User>,
    next: NextFunction
  ) => {
    try {
      const { id } = req.params;
      const { nickname, avatar, email, password, role_id } = req.body;

      const user = await User.findByPk(id);
      if (!user) return next(ApiErrorHandler.internal("Такого пользователя не найдено"));

      user.nickname = nickname;
      user.avatar = avatar;
      user.email = email;
      user.password = password;
      user.role_id = role_id;
      await user.save();

      return res.json(user);
    } catch (error) {
      next(ApiErrorHandler.internal((error as Error).message));
    }
  };

  delete = async (
    req: Request<{ id: number }>,
    res: Response<User>,
    next: NextFunction
  ) => {
    try {
      const { id } = req.params;
      const user = await User.findByPk(id);
      if (!user) return next(ApiErrorHandler.internal("Такого пользователя не найдено"));

      await user.destroy();

      return res.json(user);
    } catch (error) {
      next(ApiErrorHandler.internal((error as Error).message));
    }
  };

  deleteMany = async (
    req: Request,
    res: Response<{ data: User[] }>,
    next: NextFunction
  ) => {
    try {
      const filter: FilterQueryParamType = req.query.filter
        ? JSON.parse(req.query.filter.toString())
        : {};
      const users = await User.findAll({ where: filter });

      User.destroy({ where: filter });

      return res.json({ data: users });
    } catch (error) {
      next(ApiErrorHandler.internal((error as Error).message));
    }
  };
}

export default new UserController();