from enum import Enum

from fastapi import FastAPI
from pygame.mixer import music

from download_service import DownloadService
from music_player import MusicPlayer


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


class Songs(Enum):
    era = "era.mp3"
    royal_beggars = "royal-beggars.mp3"


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()


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


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


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


# 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.patch("/player/state", tags=["player"])
def update_state(status: ChangePlayerState):
    match status:
        case ChangePlayerState.play:
            music.play()
        case ChangePlayerState.pause:
            music.pause()
        case ChangePlayerState.unpause:
            music.unpause()
        case ChangePlayerState.stop:
            music.stop()


@app.get("/player/state", tags=["player"])
def get_state():
    return {"state": player.get_state(), "current_track": player.get_current_track()}


@app.post("/queue", tags=["queue"])
def add_to_queue(filename: str):
    queue.append(filename)