import subprocess
from datetime import datetime
from config import config
import requests
from multiprocessing import Process

class SpeakProcess(Process):
    def __init__(self, text):
        super().__init__()
        self.daemon = True
        self.text = text

    def run(self):
        print("speaking:", self.text)
        subprocess.run(["espeak", self.text])


class Event():
    def __init__(self, dial_manager, phone_held, phone_hung_up):
        self.dial_manager = dial_manager
        self.phone_held = phone_held
        self.phone_hung_up = phone_hung_up

    def get_name(self):
        return "generic event"

    def get_text(self):
        return "event"

    def speak(self):
        process = subprocess.Popen(["espeak", self.get_text()])
        while process.poll() is None:
            if self.phone_hung_up.wait(timeout=0.1):
                process.terminate()


class FortuneEvent(Event):
    def get_name(self):
        return "fortune"

    def get_text(self):
        res = subprocess.run(["fortune", "-s"], stdout=subprocess.PIPE)
        return res.stdout.decode("utf-8")

class DirectoryEvent(Event):
    def get_name(self):
        return "directory"

    def get_text(self):
        def recursive_build(prefix, sequences):
            sequence_list = []
            for key in sequences.keys():
                sequence = prefix+" "+str(key)
                if isinstance(sequences[key], dict):
                    sequence_list += recursive_build(sequence, sequences[key])
                else:
                    sequence_list.append((sequence, sequences[key]))
            return sequence_list
        sequences = self.dial_manager.sequences
        text = ""
        for sequence, event in recursive_build("", sequences):
            text += f"For {event.get_name()} dial {sequence}. "
        return text


class OperatorEvent(Event):
    def get_name(self):
        return "operator"

    def get_text(self):
        now = datetime.now()
        nearest_quarter = ((n.minute // 15 + 1) * 15) % 60
        hour = now.hour % 12
        day_half = "A M"
        if hour != now.hour:
            day_half = "P M"
        return f"Right now, it is {hour} {now.minute} {day_half}."


class WeatherEvent(Event):
    def get_name(self):
        return "weather"

    def get_text(self):
        key = config["openweathermap"]["key"]
        lat = config["openweathermap"]["lat"]
        lon = config["openweathermap"]["lon"]
        location = config["openweathermap"]["location"]
        units = config["openweathermap"]["units"]
        onecall_url = f"https://api.openweathermap.org/data/2.5/onecall?lat={lat}&lon={lon}&appid={key}&units={units}"
        onecall = requests.get(onecall_url).json()
        current_temp = onecall["current"]["temp"]
        current_desc = onecall["current"]["weather"][0]["description"]
        weather = f"In {location}, it is {current_temp} degrees with {current_desc}. "
        high_temp = onecall["daily"][0]["temp"]["max"]
        pop = onecall["daily"][0]["pop"] * 100
        forecast = f"Today there is a high of {high_temp} with a {pop} percent chance of percipitation."
        return f"{weather}{forecast}"


class TimerEvent(Event):
    def get_name(self):
        return "timer"

    def get_text(self):
        start = datetime.now()
        self.phone_hung_up.wait()
        end = datetime.now()
        print(end - start)
        return "time"

class RecordThread(Process):
    def __init__(self):
        super().__init__()
        self.daemon = True

    def run(self):
        subprocess.run(["time", "cat"])


class RecordEvent(Event):
    def get_name(self):
        return "recorder"

    def get_text(self):
        start = datetime.now()
        print("timer start", start)

        record_thread = RecordThread()
        record_thread.start()

        self.phone_hung_up.wait()
        print("terminating")
        record_thread.terminate()

        end = datetime.now()
        print(end - start)

        return str(end-start)