import io
import base64

from flask import request, Response, send_file
from viberbot.api.messages.url_message import URLMessage
from viberbot.api.messages.text_message import TextMessage
from viberbot.api.messages.picture_message import PictureMessage
from viberbot.api.messages.keyboard_message import KeyboardMessage
from viberbot.api.viber_requests import ViberMessageRequest
from viberbot.api.viber_requests import ViberConversationStartedRequest

from load import app, logger, viber, config
from config import parse_bool
from parser.parser import get_about_replacements, docs_parse


ENABLE_PARSER = parse_bool(text=config.parser.enable_parse)

KEYBOARD = {
    "Type": "keyboard",
    "Buttons": [
        {
            "Columns": 6,
            "Rows": 1,
            "BgColor": "#e6f5ff",
            "BgLoop": True,
            "ActionType": "reply",
            "ActionBody": "replaces",
            #"ReplyType": "message",
            "Text": "Заміни"
        },
        {
            "Columns": 3,
            "Rows": 2,
            "BgColor": "#e6f5ff",
            "BgLoop": True,
            "ActionType": "reply",
            "ActionBody": "link",
            #"ReplyType": "message",
            "Text": "Посилання на файл"
        }
    ]
}

if ENABLE_PARSER:
    KEYBOARD["Buttons"].append({
            "Columns": 3,
            "Rows": 2,
            "BgColor": "#e6f5ff",
            "BgLoop": True,
            "ActionType": "reply",
            "ActionBody": "update",
            #"ReplyType": "message",
            "Text": "Обновити дані" 
        })
else:
    KEYBOARD["Buttons"][1]["Columns"] = 6

def get_text_button(index: int):
    return KEYBOARD["Buttons"][index]["ActionBody"]

@app.route('/', methods=['POST'])
def incoming():
    logger.debug("received request. post data: {0}".format(request.get_data()))

    viber_request = viber.parse_request(request.get_data().decode('utf8'))

    if isinstance(viber_request, ViberConversationStartedRequest):
        viber.send_messages(viber_request.user.id, [
            KeyboardMessage(keyboard=KEYBOARD)
        ])


    if isinstance(viber_request, ViberMessageRequest):
        message = viber_request.message.text
        if message == "id": viber.send_messages(viber_request.sender.id, [TextMessage(text=viber_request.sender.id, keyboard=KEYBOARD)])
        if message == get_text_button(0):
            data = get_about_replacements()
            if 'image' in data:
                viber.send_messages(viber_request.sender.id, [
                    PictureMessage(
                        media=f"{config.webhook.webhook_url}/image",
                        keyboard=KEYBOARD
                    )
                ])
        elif message ==  get_text_button(1):
            viber.send_messages(viber_request.sender.id, [
                URLMessage(media=config.parser.link, keyboard=KEYBOARD)
            ])
        elif ENABLE_PARSER and message ==  get_text_button(2) and viber_request.sender.id:
            if viber_request.sender.id not in config.parser.admins.split(","):
                viber.send_messages(viber_request.sender.id, [TextMessage(text="Ви не адміністратор!")])
            else:
                try:
                    docs_parse()
                    viber.send_messages(viber_request.sender.id, [
                        TextMessage(text="Замены обновлены!", keyboard=KEYBOARD)])
                except Exception as e:
                    print(e)
                    viber.send_messages(viber_request.sender.id, [
                        TextMessage(text='Ошибка обновления', keyboard=KEYBOARD)])
        else:
            viber.send_messages(viber_request.sender.id, [
                TextMessage(text='Привіт!', keyboard=KEYBOARD)])
                
    return Response(status=200)

@app.route('/image')
def get_image():
    data = get_about_replacements()
    if 'image' in data:
        return send_file(io.BytesIO(base64.b64decode(data['data']['all'])), mimetype='image/jpeg')