from app import app, database
from db import RequestSchema, UserSchema
from fastapi import HTTPException

@app.get('/')
async def root():
    return {
        "answer": None
    }

@app.post("/get_uuid/")
async def get_uuid(request: RequestSchema):
    profile = await get_profile(schema=request)
    return {
        "username": profile.username,
        "uuid": profile.uuid
        }

@app.post("/check_subscription/")
async def check_subscription(request: RequestSchema):
    profile = await get_profile(schema=request)
    subscription_status = await database.check_subscription_by_uuid(user=profile)
    return {"has_subscription": subscription_status}

@app.post("/check_ban_status/")
async def check_ban_status(request: RequestSchema):
    profile = await get_profile(schema=request)
    ban_status = await database.check_ban_status_by_uuid(user=profile)
    return {"is_banned": not ban_status}
    
@app.post("/unban/")
async def unban_user(request: RequestSchema):
    profile = await get_profile(schema=request)
    status = (await check_ban_status(request=request))['is_banned']
    if status:
        await database.unban_by_uuid(user=profile)
        return {"message": "User unbanned successfully"}
    return {"message": "User not banned"}

@app.post("/grant_permissions/")
async def grant_permissions(request: RequestSchema):
    profile = await get_profile(schema=request)
    status = (await check_subscription(request=request))['has_subscription']
    if not status:
        await database.grant_permissions_by_uuid(user=profile)
        await grant_tab(request=request)
        return {"message": "Permissions granted successfully"}
    return {"message": "Permissions already granted"}

@app.post("/grant_prefix/")
async def grant_tab(request: RequestSchema):
    profile = await get_profile(schema=request)
    await database.grant_tab_by_username(user=profile, tab=request.tab)
    return {"message": "Tab granted successfully"}


async def get_profile(schema: RequestSchema) -> UserSchema:
    await database.delete_expired_tab_users()
    uuid = await database.get_uuid_by_username(schema)
    if not uuid: 
        raise HTTPException(status_code=404, detail="User not found")
    profile = UserSchema.model_construct(
        username=schema.username,
        uuid=uuid,
        expiry=schema.validated_expiry
    )
    return profile