import jwt from "jsonwebtoken";
import {getClient} from "../utils/database.js";


export async function upload(req, res) {
    const token = req.headers.authorization.split(' ')[1];
    const claims = jwt.decode(token);

    const comment = {
        content: req.body.content,
        video: req.body.video,
        author: claims.id,
        createdAt: new Date(Date.now()).toISOString(),
    }

    const logger = req.body.logger;
    logger.action("try to post comment");

    const client = await getClient();
    const query = `INSERT INTO comments (content, author, video, created_at) VALUES ($1, $2, $3, $4) RETURNING id, created_at`;
    const result = await client.query(query, [comment.content, comment.author, comment.video, comment.createdAt]);
    logger.write("successfully post comment", 200);

    const createdAt = result.rows[0].created_at;
    comment.id = result.rows[0].id;

    // Send back the comment
    // Get the author's name and profile picture
    const authorQuery = `SELECT username, picture FROM users WHERE id = $1`;
    const authorResult = await client.query(authorQuery, [comment.author]);
    const author = authorResult.rows[0];

    const responseComment = {
        id: comment.id,
        content: comment.content,
        video: comment.video,
        username: author.username,
        picture: author.picture,
        createdAt: createdAt
    }

    client.release();
    res.status(200).json(responseComment);

}

export async function getByVideo(req, res) {
    const videoId = req.params.id;
    const logger = req.body.logger;
    logger.action("try to get comment from video " + videoId);
    const client = await getClient();
    const query = `SELECT * FROM comments WHERE video = $1`;
    const result = await client.query(query, [videoId]);
    logger.write("successfully get comment", 200);
    client.release()
    res.status(200).json(result.rows);
}

export async function getById(req, res) {
    const id = req.params.id;
    const logger = req.body.logger;
    logger.action("try to get comment " + id);
    const client = await getClient();
    const query = `SELECT * FROM comments WHERE id = $1`;
    const result = await client.query(query, [id]);
    logger.write("successfully get comment", 200);
    client.release();
    res.status(200).json(result.rows[0]);
}

export async function update(req, res) {
    const id = req.params.id;
    const logger = req.body.logger;
    logger.action("try to update comment " + id);
    const client = await getClient();
    const query = `UPDATE comments SET content = $1 WHERE id = $2`;
    const result = await client.query(query, [req.body.content, id]);
    logger.write("successfully update comment", 200);
    client.release();
    res.status(200).json(result.rows[0]);
}

export async function del(req, res) {
    const id = req.params.id;
    const logger = req.body.logger;
    logger.action("try to delete comment " + id);
    const client = await getClient();
    const query = `DELETE FROM comments WHERE id = $1`;
    const result = await client.query(query, [id]);
    logger.write("successfully deleted comment", 200);
    client.release();
    res.status(200).json(result.rows[0]);
}