var express = require('express')
var router = express.Router()

const DB = require("./../mongoDB.js");
const Post = require("./../def/post.js");
const Notifications = require("./../notifications.js")

DB.getDB.then((DB)=>{

    const getProfileId = (req)=>{
        return DB.ObjectID(req.cookies.profile_id || req.query.profile_id || req.body.profile_id);
    }

    router.get("/", async (req, res) => {
        const profileid = getProfileId(req);
        let posts = await DB.getFeed(profileid);
        return res.json(posts)
    });

    router.get("/usr/:id", async (req, res) => {
        const profileId = req.params.id;
        const posts = await DB.getPosts(profileId);
        return res.json(posts)
    });

    router.post("/", async (req, res) => {
        let post = {
            profileid: getProfileId(req),
            ...req.body
        }
        post.toProfile = post.toProfile ? DB.ObjectID(post.toProfile) : undefined;
        let postObj = new Post(post);
        let dbr = await DB.newPost(postObj);
        post = postObj.toObj();
        post._id = dbr.insertedId;
        if(post.toProfile && post.toProfile != post.profileid){
            //send email notification
            Notifications.youGotANewPost(post.toProfile, post.profileid, post.content)
        }
        return res.json({
            status: "ok",
            ...post
        })
    });

    router.post("/react", async (req, res) => {
        let userid = getProfileId(req);
        let postid = req.body.postid;
        let reaction = {
            type: "like",
            createdAt: new Date()
        };
        r = await DB.newReaction(postid, userid, reaction);
        return res.json({
            status: "ok"
        });
    })

    router.post("/unreact", async (req, res) => {
        let userid = getProfileId(req);
        let postid = req.body.postid;
        r = await DB.removeReaction(postid, userid);
        console.log(r)
        return res.json({
            status: "ok"
        })
    });

    router.post("/comment/", async (req, res) => {
        let profileid = getProfileId(req);
        let postid = req.body.postid;
        let content = req.body.content;
        let comment = {
            profileid: profileid,
            content: content,
            createdAt: new Date(),
            lastUpdated: new Date(),
            reactions: {}
        }
        Notifications.youGotANewPostComment(postid, profileid, content)
        r = await DB.newComment(postid, comment);
        return res.json({
            status: "ok",
            ...comment
        })
    });

    router.post("/comment/react", async (req, res) => {
        let userid = getProfileId(req);
        let postid = req.body.postid;
        let commentDate = new Date(req.body.commentDate);
        let reaction = {
            type: "like",
            createdAt: new Date()
        };
        r = await DB.newCommentReaction(postid, commentDate, userid, reaction);
        return res.json({
            status: "ok"
        })
    });

    router.get("/:id", async (req, res) => {
        const postId = req.params.id;
        const post = await DB.getPost(postId);
        return res.json({
            status: "ok",
            ... post
        });
    });

});

module.exports = router