from enum import Enum

from fastapi import FastAPI
from fastapi.responses import HTMLResponse

from download_service import DownloadService
from music_player import MusicPlayer, PlayerState


class ChangePlayerState(Enum):
    play = "play"
    pause = "pause"
    resume = "resume"
    stop = "stop"


queue: list[str] = []

tags_metadata = [
    {"name": "player", "description": "Interact with the Music Player"},
    {"name": "experimental"},
    {"name": "queue"},
]
app = FastAPI(openapi_tags=tags_metadata)
player = MusicPlayer()
dl_service = DownloadService()


# Interface
@app.get("/", response_class=HTMLResponse)
async def root():
    with open("interface.html") as f:
        return f.read()


# Experimental
@app.get("/queue", tags=["queue"])
def get_queue():
    return player.get_queue()


@app.post("/queue", tags=["queue"])
def post_to_queue(url: str):
    track = dl_service.download(url)
    player.add_to_queue(track)


@app.post("/player/play", tags=["player"])
def player_play():
    player.play()


@app.post("/player/pause", tags=["player"])
def player_pause():
    player.pause()


@app.post("/player/resume", tags=["player"])
def player_resume():
    player.resume()


@app.post("/player/stop", tags=["player"])
def player_stop():
    player.stop()


@app.post("/player/skip", tags=["player"])
def player_skip():
    player.next()


# Player
@app.put("/player/volume", tags=["player"])
def set_volume(volume: float):
    player.set_volume(volume)


@app.get("/player/volume", tags=["player"])
def get_volume():
    return {"volume": player.get_volume()}


@app.get("/player", tags=["player"])
def get_player_state() -> PlayerState:
    return player.get_state()