from io import StringIO
from json import loads as json_parse, dumps as _json_stringify
from typing import Dict, Optional, Any
import paho.mqtt.client as mqtt
from .project import Project
from biopro.device.manager import DeviceManager

def json_stringify(o: Any) -> str:
    return _json_stringify(o, separators=(',', ':'))

class ProjectManager():
    def __init__(self, device_manager: DeviceManager, mqtt_thread=None) :
        self._project_list = []
        self._mqtt_thread =  mqtt_thread
        self._device_manager = device_manager
    
    def create(self, project):
      new_project = Project(project, self._device_manager, self._mqtt_thread)
      self._project_list.append(new_project)
      return new_project
    
    def remove(self, index):
      self._project_list[index].stop()
      del self._project_list[index]

    def get(self):
      return self._project_list

    def run(self, project):
      project.start()

    def stop(self, project):
      project.stop()