const express = require('express');
const config = require('../../config')
const data = require('../data')
const func = require('../functions')

const { fromUnixTime, format, getUnixTime } = require("date-fns") // A date utility library
const router = express.Router();

///////////////////// Standard Pages //////////////////////
router.get("/", (req,res) => {
    // Increment the hitcount
    if (config.enable_hitcount) {
        func.increment_hitcount()
    }

    res.render("pages/timeline",
               {
                   config,
                   locale,
                   posts: data.getdata("posts"),
                   users: data.getdata("users"),
                   comments: data.getdata("comments"),
                   hitcount: data.getdata("hitcount"),
                   fromUnixTime,
                   format,
                   getUnixTime,
                   func,
               })
}); // /
router.get("/user/:username", (req, res) => {
    const userID = func.get_userID(req.params.username)
    let user = data.getdata('users', userID)
    if (userID != -1) {
        res.render("pages/user",
                   {
                       config,
                       locale,
                       posts: data.getdata('posts'),
                       user,
                       userID: userID,
                       comments: data.getdata('comments'),
                       fromUnixTime,
                       format,
                       getUnixTime,
                       func,
                   })
    }
    else if (userID == -1) {
        res.render("partials/message",
                   {
                       message: locale.user_doesnt_exist,
                       config,
                   })
    }
}); // /user/:username
router.get("/post/:post_index", (req, res) => {
    const postID = req.params.post_index
    let post = data.getdata('posts', postID)

    if (post["deleted"] == true || post == 1) { // data.getdata returns error code 1 if nothing is available
        res.render("partials/message", {
            message: locale.post_doesnt_exist,
            config,
        })
    }
    else if (typeof post["deleted"] == "undefined" || post["deleted"] == false) {
        res.render("pages/post",
                   {
                       config,
                       locale,
                       post,
                       postID,
                       user: data.getdata('users', post.userID),
                       comments: data.getdata('comments', postID),
                       fromUnixTime,
                       format,
                        getUnixTime,
                        func,
                   })
    }
    else {
        console.log("Error loading page")
        res.redirect(301,"/")
    }
}); // /post/:post_index


router.get("/tag/:tag", (req,res) => {
    const tag = req.params.tag
    res.render("pages/tag",
               {
                   config,
                   locale,
                   tag,
                   posts: data.getdata('posts'),
                   users: data.getdata('users'),
                   comments: data.getdata('comments'),
                   fromUnixTime,
                   format,
                    getUnixTime,
                    func,
               })
}); // /tag/:tag
router.get("/comment/:postID-:commentID", (req,res) => {
    const commentID = req.params.commentID;
    const postID = req.params.postID;

    let posts_comments = data.getdata('comments', postID)
    let comment = posts_comments[commentID]
    if (comment == -1) {
        res.render("partials/message", {
            config,
            message: locale.comment_doesnt_exist,
        })
    }
    else {
        res.render("pages/comment",
                   {
                       config,
                       locale,
                       comment,
                       postID,
                       commentID,
                       fromUnixTime,
                       format,
                        getUnixTime,
                        func,
                   })
    }
});

module.exports = router;