import json

def charData(user : str, key : str,cmd : str = ""):
    with open("characters.json", "r") as f:
        data = json.load(f)

    if user in data:
        if key in data[user]:
            if cmd == "":
                return data[user][key]
            else:
                data[user]["Name"] = cmd
                with open("characters.json", "w") as f:
                        json.dump(data,f,indent = 4)
                        return "Changed " + user + "'s character's name to " + cmd
        else:
            return "Couldn't find that data. Are you sure you spelled it correctly?"
    else:
        return "You don't have a character. You can make one with !swchar"