from fastapi import FastAPI, HTTPException
from pydantic import BaseModel

from .persistence import append_game_history
from .arena_adapter import ArenaGame

app = FastAPI(title="shortdeck-server")
GAME = ArenaGame()

class JoinRequest(BaseModel):
    name: str


class JoinResponse(BaseModel):
    player_id: int
    name: str


class ActionRequest(BaseModel):
    player_id: int
    action: str
    amount: int | None = None


@app.post("/join", response_model=JoinResponse)
def join(req: JoinRequest):
    try:
        player_id = GAME.join_game(req.name)
    except ValueError as e:
        raise HTTPException(status_code=400, detail=str(e)) from e
    return JoinResponse(player_id=player_id, name=req.name)


@app.get("/get_game_state")
def get_game_state(player_id):
    try:
        state = GAME.info(player_id)
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e)) from e
    return state


@app.post("/apply_action")
def apply_action(req: ActionRequest):
    try:
        GAME.apply_action(req.player_id, req.action, req.amount)
        append_game_history(GAME.game_id, {"history": GAME.history})
    except ValueError as e:
        raise HTTPException(status_code=400, detail=str(e)) from e
    return {"ok": True}