from os import path
from typing import Literal

from fastapi import FastAPI, Response
from fastapi.responses import FileResponse
from requests import get
from uvicorn import run

from .config import CACHE_DIR
from .metadata import get_collection
from .types import Cover

app = FastAPI()


@app.get("/search/{console}")
def search(
    console: str, sha1: str | None = None, name: str | None = None
) -> list[Cover]:
    covers = []
    games = get_collection(console)
    for game in games:
        if sha1 and game.ref.lower() == sha1.lower():
            covers.append(game)
        elif name and name.lower() in game.name.lower():
            covers.append(game)
    return covers


@app.get("/asset/{console}/{ref}.{type}", response_class=Response)
def asset(console: str, ref: str, type: Literal["logo", "vid"]) -> Response:
    ext = None
    if type == "logo":
        ext = "png"
        mime = "image"
    elif type == "vid":
        ext = "mp4"
        mime = "video"
    filepath = f"{CACHE_DIR}/{console}/{ref}.{ext}"

    if CACHE_DIR and path.exists(filepath):
        return FileResponse(filepath)

    covers = get_collection(console)
    for cover in covers:
        if cover.model_dump()[type] == ref:
            res = get(f"https://ipfs.infura.io/ipfs/{ref}")
            if res.status_code == 200:
                if CACHE_DIR and path.exists(CACHE_DIR):
                    with open(filepath, "wb") as f:
                        f.write(res.content)
                return Response(content=res.content, media_type=f"{mime}/{ext}")
            break

    return Response(status_code=404)


def start() -> None:
    run(app, host="0.0.0.0")