import datetime

import requests

from app.models import AbstractConfiguration
from app.extensions import db


class Activity(db.Model):
    id = db.Column(db.Integer(), primary_key=True)
    group_id = db.Column(db.Integer(), nullable=True)
    activity_type = db.Column(db.String(20), nullable=False)
    text = db.Column(db.Text(), nullable=False)
    added = db.Column(db.DateTime(), nullable=False)

    def __init__(self, **kwargs):
        if type(kwargs["activity_type"]) != str or len(kwargs["activity_type"]) > 20 or kwargs["activity_type"] == "":
            raise TypeError("expected string for activity type between 1 and 20 characters")
        if type(kwargs["text"]) != str:
            raise TypeError("expected string for text")
        if "added" not in kwargs:
            kwargs["added"] = datetime.datetime.utcnow()
        super().__init__(**kwargs)

    def notify(self) -> int:
        count = 0
        hooks = Webhook.query.filter(
            Webhook.destroyed == None
        )
        for hook in hooks:
            hook.send(self.text)
            count += 1
        return count


class Webhook(AbstractConfiguration):
    format = db.Column(db.String(20))
    url = db.Column(db.String(255))

    def send(self, text: str):
        if self.format == "telegram":
            data = {"text": text}
        else:
            # Matrix as default
            data = {"body": text}
        r = requests.post(self.url, json=data)