import requests
import gradio as gr
from utils import download_file, extract_fst_url, API_TIKTOK, TIMEOUT, EN_US, TMP_DIR

ZH2EN = {
    "状态栏": "Status",
    "请输入抖音视频分享短链接": "Please enter TikTok video sharing short link",
    "视频下载": "Video download",
    "视频描述": "Video description",
    "解析耗时": "Parsing time",
    "作者头像": "Author avatar",
    "作者昵称": "Author nickname",
    "作者签名": "Author signature",
    "抖音无水印视频解析": "Parse TikTok video without watermark",
    "直链输出": "Direct link output",
}


def _L(zh_txt: str):
    return ZH2EN[zh_txt] if EN_US else zh_txt


# outer func
def infer(video_url: str, direct_lnk_out: bool, cache=f"{TMP_DIR}/tiktok"):
    status = "Success"
    video = parse_time = desc = avatar = author = sign = None
    try:
        if not video_url:
            raise ValueError("视频分享链接为空!")

        video_url = extract_fst_url(video_url)
        if not video_url:
            raise ValueError("请输入有效的视频分享链接!")

        response = requests.get(API_TIKTOK, params={"url": video_url}, timeout=TIMEOUT)
        response_json = response.json()
        retcode = response_json["code"]
        if retcode == 200:
            response_data = response_json["data"]
            parse_time = response_data["parse_time"]
            additional_data = response_data["additional_data"][0]
            desc = additional_data["desc"]
            avatar = additional_data["url"].split("?from=")[0]
            author = additional_data["nickname"]
            sign = additional_data["signature"]

            if direct_lnk_out:
                video = response_data["video_url"]
            else:
                video_id = response_data["play_url"].split("video_id=")[1].split("&")[0]
                video = download_file(response_data["video_url"], video_id, cache)

        else:
            raise ConnectionError(f"接口调用失败, 错误码: HTTP {retcode}")

    except Exception as e:
        status = f"视频解析失败: {e}"

    return status, video, desc, parse_time, avatar, author, sign


def tiktok_parser():
    return gr.Interface(
        fn=infer,
        inputs=[
            gr.Textbox(
                label=_L("请输入抖音视频分享短链接"),
                placeholder="https://v.douyin.com/*",
            ),
            gr.Checkbox(label=_L("直链输出"), value=False),
        ],
        outputs=[
            gr.Textbox(label=_L("状态栏"), show_copy_button=True),
            gr.Video(
                label=_L("视频下载"),
                show_download_button=True,
                show_share_button=False,
            ),
            gr.Textbox(label=_L("视频描述"), show_copy_button=True),
            gr.Textbox(label=_L("解析耗时"), show_copy_button=True),
            gr.Image(label=_L("作者头像"), show_share_button=False),
            gr.Textbox(label=_L("作者昵称"), show_copy_button=True),
            gr.TextArea(label=_L("作者签名"), show_copy_button=True),
        ],
        title=_L("抖音无水印视频解析"),
        flagging_mode="never",
        examples=[
            ["https://v.douyin.com/8FVe5DzarE0", False],
            [
                "8.20 Njc:/ K@J.II 11/03 黑塔女士举世无双！# 大黑塔 # 黑塔 # 崩坏星穹铁道 # 再创世的凯歌 # 天才俱乐部  https://v.douyin.com/8FVe5DzarE0/ 复制此链接，打开Dou音搜索，直接观看视频！",
                True,
            ],
        ],
        cache_examples=False,
    )