import { NextFunction, Request, Response } from "express";
import isLength from "validator/lib/isLength";
import equals from "validator/lib/equals";
import { TypedRequestAuth } from "./auth.controller";
import { asyncWrap } from "../helpers";
import { postDb, userDb } from "../db";
import { TypedRequest } from "../types";

export const postCreate = asyncWrap(async (reqExp, res, next) => {
  const req = reqExp as TypedRequestAuth<{ userId: string }>;

  const { title, text, theme, city, date } = req.body as {
    title: string;
    text: string;
    theme: string;
    city: string;
    date: Date;
    counts: number;
  };

  // 1) title 빈 문자열인지 확인
  if (!isLength(title ?? "", { min: 1 })) {
    return res.status(422).send("제목을 한 글자 이상 입력해주세요");
  }

  // 2) body 빈 문자열인지 확인
  if (!isLength(text ?? "", { min: 1 })) {
    return res.status(422).send("제목을 한 글자 이상 입력해주세요");
  }

  // 3) theme dropdown default-value "테마"일 경우 에러
  if (equals(theme, "질문종류")) {
    return res.status(422).send("테마를 입력해 주세요");
  }

  // 4) city dropdown default-value "도시"일 경우 에러
  if (equals(city, "질문종류")) {
    return res.status(422).send("도시를 선택해 주세요");
  }

  const userId = req.auth.userId;

  const newPost = await postDb.createPost({
    title,
    text,
    theme,
    city,
    date: Date.now(),
    user: userId,
  });

  console.log("post", newPost);

  return res.json(newPost);
});

export const getAllPost = asyncWrap(async (req, res) => {
  const posts = await postDb.getPosts();
  // console.log(posts);

  return res.json(posts);
});

export const addCounts = asyncWrap(async (req, res) => {
  // console.log(req.body);
  const { postId } = req.params;
  const { counts } = req.body as {
    counts: number;
  };
  console.log(postId, counts);

  const updateCounts = await postDb.addOneCount(postId, counts);

  return res.json(updateCounts);
});

export const userByPostId = (
  reqExp: Request,
  res: Response,
  next: NextFunction,
  postId: string
) => {
  const req = reqExp as TypedRequest;
  req.user = userDb.findUserByPostId(postId);
  next();
};

export const getOnePost = asyncWrap(async (req, res) => {
  const { postId } = req.params;
  const post = await postDb.getPost(postId);

  return res.json(post);
});

export const deleteOnePost = asyncWrap(async (req, res) => {
  const { postId } = req.params;
  // console.log(postId);
  const deleteCount = await postDb.deletePost(postId);

  return res.json(deleteCount);
});

export const updatePost = asyncWrap(async (reqExp, res) => {
  const req = reqExp as TypedRequestAuth<{ userId: string }>;

  const { title, text, theme, city, date } = req.body as {
    title: string;
    text: string;
    theme: string;
    city: string;
    date: Date;
    counts: number;
  };

  const userId = req.auth.userId;
  const { postId } = req.params;

  const updatePost = await postDb.updateOnePost(
    {
      title,
      text,
      theme,
      city,
      date: Date.now(),
      counts: req.body.counts,
      user: userId,
    },
    postId
  );

  console.log("게시글 수정 후", updatePost);

  return res.json(updatePost);
});