const Axios = require("axios");

const _tiktokapi = (id) =>
    `https://api16-va.tiktokv.com/aweme/v1/feed/?aweme_id=${id}&version_name=1.1.9&version_code=119&build_number=1.1.9&manifest_version_code=119&update_version_code=119&openudid=dlcrw3zg28ajm4ml&uuid=3703699664470627&_rticket=1677813932976&ts=1677813932&device_brand=Realme&device_type=RMX1821&device_platform=android&resolution=720*1370&dpi=320&os_version=11&os_api=30&carrier_region=US&sys_region=US%C2%AEion=US&app_name=TK%20Downloader&app_language=en&language=en&timezone_name=Western%20Indonesia%20Time&timezone_offset=25200&channel=googleplay&ac=wifi&mcc_mnc=&is_my_cn=0&aid=1180&ssmix=a&as=a1qwert123`;

const TiktokDL = (url) => {
    return new Promise((resolve, reject) => {
        url = url.replace("https://vm", "https://vt");
        Axios(url, {
            method: "HEAD",
        })
            .then(({ request }) => {
                const { responseUrl } = request.res;
                let ID = responseUrl.match(/\d{17,21}/g)
                if (ID === null) return reject({
                    status: "error",
                    message: "Failed to fetch tiktok url. Make sure your tiktok url is correct!",
                });
                ID = ID[0]
                Axios(_tiktokapi(ID), {
                    method: "GET",
                })
                    .then(({ data }) => {
                        const content = data.aweme_list.filter((v) => v.aweme_id === ID)[0];
                        if (!content) return resolve({
                            status: "error",
                            message: "Failed to find tiktok data. Make sure your tiktok url is correct!",
                        });
                        const statistics = {
                            play_count: content.statistics.play_count,
                            download_count: content.statistics.download_count,
                            share_count: content.statistics.share_count,
                            comment_count: content.statistics.comment_count,
                            like_count: content.statistics.digg_count,
                            favourite_count: content.statistics.collect_count
                        }
                        const author = {
                            username: content.author.unique_id,
                            nickname: content.author.nickname,
                            signature: content.author.signature,
                            birthday: content.author.birthday,
                            region: content.author.region
                        }
                        if (content.image_post_info) {
                            resolve({
                                status: "success",
                                result: {
                                    type: "image",
                                    id: content.aweme_id,
                                    create_time: content.create_time,
                                    description: content.desc,
                                    author,
                                    statistics,
                                    images: content.image_post_info.images.map((v) => v.display_image.url_list[0]),
                                    music: content.music.play_url.url_list
                                }
                            })
                        } else {
                            resolve({
                                status: "success",
                                result: {
                                    type: "video",
                                    id: content.aweme_id,
                                    create_time: content.create_time,
                                    description: content.desc,
                                    author,
                                    statistics,
                                    video: content.video.play_addr.url_list,
                                    music: content.music.play_url.url_list
                                }
                            })
                        }
                    })
                    .catch((e) => reject(e));
            })
            .catch((e) => reject(e));
    });
};

module.exports = { TiktokDL };