import random
import features

api = features.API()
debug = False

def handle_command(sender, message):
    state = api.get_user_state(sender)
    for command in commands:
        if message.find(command) == 0:
            result = commands[command](state, message, sender)
            return result
    if len(state) > 0:
        if debug == 1:
            return commands[state[0]](state, message, sender)
        try:
            result = commands[state[0]](state, message, sender)
            return result
        except Exception as e:
            return {
                "response": f"⚠️Error⚠️"
            }

    return {
        "response": "",
    }


def get_faq_string():
    return api.get_faq_string()


def nevermind(state, message, sender):
    api.update_user_state(sender, [])
    return {
        "response": "starting over."
    }

# faq


def get_faq(state, message, sender):
    if len(state) == 0:
        return {
            "response": api.get_faq_string()
        }
    return {
        "response": api.get_faq_string()
    }


def add_question(state, message, sender):
    if len(state) == 0:
        api.update_user_state(sender, ["!add question"])
        return {
            'response': "Please enter the question title."
        }
    elif len(state) == 1:
        state.append(message)
        api.update_user_state(sender, state)
        return {
            'response': 'Please enter the answer to the question.'
        }
    elif len(state) == 2:
        state.append(message)
        api.update_user_state(sender, state)
        state = api.get_user_state(sender)
        return {
            'response': f"Your question is:\n---\n# {state[1]}\n{state[2]}\n\n---\nIf this is what you want respond with `confirm`\n If you'd like to start over respond with `restart`\n Respond with `nevermind` to cancel entirely"
        }
    elif len(state) == 3:
        if message == 'confirm':
            api.add_question({
                'question': state[1],
                'answer': state[2]
            })
            api.update_user_state(sender, [])
            return {
                'response': 'Question added.'
            }
        elif message == 'restart':
            api.update_user_state(sender, ['!add question'])
            return {
                'response': 'Please enter the question title.'
            }
        else:
            return {
                'response': f"Your question is:\n# {state[1]}\n{state[2]}\n\nIf this is what you want respond with `confirm`\n If you'd like to start over respond with `restart`\n Respond with `nevermind` to cancel entirely"
            }

    return {
        'response': None
    }


def update_question(state, message, sender):
    if len(api.data['faq']['questions']) == 0:
        api.update_user_state(sender, [])
        return {
            'response': "No questions registered."
        }
    elif len(state)==0:
        api.update_user_state(sender,"!update question")
        return {
            "response":f"Choose a question to update:\n {api.get_faq_questions}"
        }
    return {
        'response': None,

    }


def remove_question(state, message, sender):
    if len(api.data['faq']['questions']) == 0:
        api.update_user_state(sender, [])
        return {
            'response': "No questions registered."
        }
    elif len(state)==0:
        api.update_user_state(sender,["!remove question"])
        return {
            "response":f"Choose a question to remove:\n {api.get_faq_questions()}"
        }
    elif len(state) == 1:
        try:
            int(message)
        except:
            return {"response":"Please enter a number."}
        state.append(message)
        if  int(state[1]) < len(api.data['faq']['questions']) and int(state[1]) >=0:
            if debug == True:
                api.remove_question(int(state[1]))
                api.update_user_state(sender,[])
                return {
                    'response':'Question removed'
                }
            else:
                try:
                    api.update_user_state(sender,[])
                    api.remove_question(int(state[1]))
                    return {
                        'response':'Question removed'
                    }
                except:
                    pass
                    
        api.update_user_state(sender,["!remove question"])
        return {
            'response':'Please enter the correct question #'
        }
        
        
    return {
        'response': None,

    }


def update_header(state, message, sender):
    return {
        'response': None,

    }


def remove_header(state, message, sender):
    return {
        'response': None,

    }


def update_footer(state, message, sender):
    return {
        'response': None,

    }


def remove_footer(state, message, sender):
    return {
        'response': None,

    }


def add_admin(state, message, sender):
    return {
        'response': None,

    }


def remove_admin(state, message, sender):
    return {
        'response': None,

    }

def meetings(state,message,sender):
    return {
        'response':api.appointments.list_upcoming_appointments(sender)
    }

def appointments():

    return {
        "response": None,
        state: []
    }


commands = {
    "nevermind": nevermind,
    "!faq": get_faq,
    "!add question": add_question,
    "!remove question": remove_question,
    "!update question": update_question,
    "!update header": update_header,
    "!remove header": remove_header,
    "!update footer": update_footer,
    "!remove footer": remove_footer,
    "!add admin": add_admin,
    "!remove admin": remove_admin,
    "meetings":meetings

}


if __name__ == '__main__':
    user = "admin"
    msg = ""
    debug = True
    while msg != "exit":
        msg = input("user:")
        print("bot:"+handle_command(user, msg)['response'])
        # print("state:",user)