#!/usr/bin/env python3

import json
import sys
import time
import requests
import logging

from datetime import datetime

logger = logging.getLogger(__name__)


class Status:
    def status(self):
        return None


class Cat(Status):
    index = 0

    def status(self):
        cat_width = 200
        index = self.index
        catwalk = " " * (cat_width - index) + 1 * "🐈🏳️‍🌈" + " " * index
        self.index = (index + 1) % cat_width

        return catwalk


class Space(Status):
    backoff = 0
    c_status = None

    def status(self):
        backoff = self.backoff
        if self.backoff == 0:
            self.update()

        return self.c_status

    def update(self):
        spacestatus_url = "https://status.stratum0.org/status.json"
        resp = requests.get(url=spacestatus_url)
        self.backoff = (self.backoff + 1) % 120
        data = resp.json()
        if data["isOpen"]:
            since = datetime.strptime(data["since"], "%Y-%m-%dT%H:%M:%S.%f").strftime("%A at %H:%M")
            spacestatus = f"Space is open since {since}"
        else:
            spacestatus = "Space is closed"
        self.c_status = spacestatus


class Battery(Status):
    capacity_file = open('/sys/class/power_supply/BAT0/capacity', 'r')
    status_file = open('/sys/class/power_supply/BAT0/status', 'r')

    def status(self):
        self.status_file.seek(0)
        status = self.status_file.read().rstrip()

        self.capacity_file.seek(0)
        capacity = self.capacity_file.read().rstrip()

        battery = f"{status} {capacity}%"

        return battery


class Time(Status):
    def status(state):
        return datetime.now().strftime("%Vth %A %H:%M")


def print_header():
    header = {
        "version": 1,
        "click_events": False,
    }
    print(json.dumps(header))
    print("[")


def run(interval, widgets):
    print_header()

    while True:
        body = []

        for widget in widgets:
            try:
                status = widget.status()
            except Exception as e:
                logger.error(e)
            if status:
                body += {"full_text": f"{status}"},

        print(json.dumps(body), ",", flush=True)

        ts = interval - (time.time() % interval)
        time.sleep(ts)


if __name__ == "__main__":
    logging.basicConfig(level=logging.INFO)

    # Interval in seconds
    interval = 1.0

    widgets = [Cat(), Space(), Battery(), Time()]

    run(interval, widgets)