from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
from calls import register_user, authenticate_user, add_friend, send_match_invite, accept_match_invite

app = FastAPI()

class RegisterRequest(BaseModel):
    email: str
    display_name: str
    password: str

class LoginRequest(BaseModel):
    email: str
    password: str

class FriendRequest(BaseModel):
    user_uid: int
    friend_uid: int

class MatchInviteRequest(BaseModel):
    sender_uid: int
    receiver_uid: int

class AcceptInviteRequest(BaseModel):
    match_id: int
    player2_uid: int

@app.post("/register")
def register(request: RegisterRequest):
    try:
        uid = register_user(request.email, request.display_name, request.password)
        return {"message": "User registered successfully", "uid": uid}
    except Exception as e:
        raise HTTPException(status_code=400, detail=str(e))

@app.post("/login")
def login(request: LoginRequest):
    uid = authenticate_user(request.email, request.password)
    if uid:
        return {"message": "Login successful", "uid": uid}
    else:
        raise HTTPException(status_code=401, detail="Invalid credentials")

@app.post("/add_friend")
def add_friend_endpoint(request: FriendRequest):
    try:
        success = add_friend(request.user_uid, request.friend_uid)
        return {"message": "Friend added successfully"} if success else HTTPException(400, "Failed to add friend")
    except Exception as e:
        raise HTTPException(status_code=400, detail=str(e))

@app.post("/send_match_invite")
def send_invite(request: MatchInviteRequest):
    try:
        match_id = send_match_invite(request.sender_uid, request.receiver_uid)
        return {"message": "Match invite sent successfully", "match_id": match_id}
    except Exception as e:
        raise HTTPException(status_code=400, detail=str(e))

@app.post("/accept_match_invite")
def accept_invite(request: AcceptInviteRequest):
    try:
        success = accept_match_invite(request.match_id, request.player2_uid)
        return {"message": "Match invite accepted"} if success else HTTPException(400, "Failed to accept invite")
    except Exception as e:
        raise HTTPException(status_code=400, detail=str(e))