import { type Order } from "sequelize";
import Section from "../../models/section.model";
import { ApiErrorHandler } from "../../error/api-error.handler";
import Thread from "../../models/thread.model";
import type { IThreadDto } from "./thread.dto";
import type { NextFunction, Request, Response } from "express";
import type {
  FilterQueryParamType,
  RangeQueryParamType,
  SortQueryParamType
} from "../query-param.types";

class ThreadController {
  getAll = async (req: Request, res: Response, 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 threads = await Thread.findAndCountAll({
        offset: range[0],
        limit: range[1] - range[0] + 1,
        order: [sort] as Order
      });

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

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

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

  create = async (
    req: Request<object, object, IThreadDto>,
    res: Response<Thread>,
    next: NextFunction
  ) => {
    try {
      const { name, section_id, creator_id } = req.body;
      const thread = await Thread.create({ name, section_id, creator_id });
      return res.json(thread);
    } catch (error) {
      next(ApiErrorHandler.internal((error as Error).message));
    }
  };

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

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

  update = async (
    req: Request<{ id: number }, object, IThreadDto>,
    res: Response<Thread>,
    next: NextFunction
  ) => {
    try {
      const { id } = req.params;
      const { name, section_id, creator_id } = req.body;

      const thread = await Thread.findByPk(id);
      if (!thread) return next(ApiErrorHandler.internal("Такой роли не найдено"));

      thread.name = name;
      thread.section_id = section_id;
      thread.creator_id = creator_id;
      await thread.save();

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

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

      await thread.destroy();

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

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

      Section.destroy({ where: filter });

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

export default new ThreadController();