from datetime import datetime, time

from flask import render_template
from homeassistant_api import HomeassistantAPIError

from app import webapp
from app.models.callback import Callback
from app.models.settings import Setting
from app.models.schedule import Schedule
from app.models.trigger import Trigger
from app.homeassistant import HomeAssistant

@webapp.route('/hook/<uuid>')
def hook(uuid:str):
   callback = None
   
   try:
      callback = Callback.get_callback(uuid)
   except:
      return render_template("error/404.html"), 404
   
   if(not callback.active):
      return render_template("error/404.html"), 404
   
   feedback = Setting.get_value(Setting.Keys.FEEDBACK);
   schedules = Schedule.get_schedules(uuid=callback.uuid);
   
   now = datetime.now()
   cweekday = datetime.now().weekday()
   ctime = datetime.now().time()
   
   trigger_schedule = -1
   
   if(schedules.count() != 0):
      anymatch = False;
         
      for schedule in schedules:
         
         possiblematch = True
         
         if(cweekday == schedule.start_day):
            if(ctime < schedule.start_time):
               possiblematch = False
         
         if(cweekday == schedule.end_day):
            if(ctime > schedule.end_time):
               possiblematch = False
               
         if(cweekday < schedule.start_day or cweekday > schedule.end_day):
            possiblematch = False
            
         if(possiblematch):
            trigger_schedule = schedule.id
            anymatch = True
            
      if not anymatch:
         trigger = Trigger(uuid, trigger_schedule, now, False)
         trigger.save()
      
         if(feedback == "none"):
            return render_template("error/404.html"), 404
         if(feedback == "some"):
            return render_template("hook.html", name="Action not permitted", note="This action cannot be performed at this time.")
         if(feedback == "all"):
            return render_template("hook.html", name=callback.name, note="This action is not scheduled to be active at this time.")
   
   trigger = Trigger(uuid, trigger_schedule, now, True)
   trigger.save()
   
   try:
      HomeAssistant.getInstance().trigger_service(callback.domain, callback.service, callback.entity, callback.data)
   except HomeassistantAPIError as e:
      return render_template("error/500.html", error=str(e)), 500
   
   return render_template("hook.html", name=callback.name, note=callback.note)