"""Our site has one POST endpoint for uploading videos and one GET
endpoint for getting the HTML. Images are served from a webserver."""
from typing import Dict
from urllib.parse import urljoin

from fastapi import FastAPI, File, Request, UploadFile
from fastapi.responses import HTMLResponse
from fastapi.staticfiles import StaticFiles
from fastapi.templating import Jinja2Templates

from discord_embed import settings
from discord_embed.video_file_upload import do_things
from discord_embed.webhook import send_webhook

app = FastAPI(
    title="discord-nice-embed",
    description=settings.DESCRIPTION,
    version="0.0.1",
    contact={
        "name": "Joakim Hellsén",
        "url": "https://github.com/TheLovinator1",
        "email": "tlovinator@gmail.com",
    },
    license_info={
        "name": "GPL-3.0",
        "url": "https://www.gnu.org/licenses/gpl-3.0.txt",
    },
)

app.mount("/static", StaticFiles(directory="static"), name="static")
templates = Jinja2Templates(directory="templates")


@app.post("/uploadfiles/")
async def upload_file(file: UploadFile = File(...)) -> Dict[str, str]:
    """Page for uploading files.

    If it is a video, we need to make a HTML file, and a thumbnail
    otherwise we can just save the file and return the URL for it.
    If something goes wrong, we will send a message to Discord.

    Args:
        file (UploadFile): Our uploaded file.

    Returns:
        Dict[str, str]: Returns a dict with the filename or a link to
        the .html if it was a video.
    """
    domain_url = ""
    if file.content_type.startswith("video/"):
        return await do_things(file)

    # Replace spaces with dots in filename.
    filename = file.filename.replace(" ", ".")

    with open(f"{settings.upload_folder}/{filename}", "wb+") as f:
        f.write(file.file.read())

    domain_url = urljoin(settings.serve_domain, filename)
    send_webhook(f"{domain_url} was uploaded.")
    return {"html_url": domain_url}


@app.get("/", response_class=HTMLResponse)
async def main(request: Request):
    """Our index view.

    You can upload files here.

    Returns:
        HTMLResponse: Returns HTML for site.
    """

    return templates.TemplateResponse("index.html", {"request": request})