import sys
import json
import threading
import logging

from time import time, sleep
from datetime import datetime
from collections import deque
from copy import copy
from uuid import uuid4

from .task import Task
from .task_manager import TaskManager
from .instruction import Instruction
from biopro.device.manager import DeviceManager
from biopro.text import *

from biopro.db.base import Session
from biopro.db.collection import Collection

key_list = {
  'deviceList': 'device',
}

class Project(threading.Thread):
  def __init__(self, project, device_manager: DeviceManager, mqttThread = None, log_verbose = None, name="project"):
    super(Project, self).__init__(name = name)
    self._project = project
    self._device_manager = device_manager
    self._mqtt_thread = mqttThread
    self._time_interval = 0.1
    self._start_time = None
    self._end_time = None

    self._id = None
    self._uuid = str(uuid4())
    self._name = None
    self._desc = None
    self._device = None
    self._complete_device = {}
    self._status = 0

    self._instruction_set = Instruction()
    self._stop_flag  = False

    self._task_manager = None

    self._cycle = []

    self._count = 1 #流水號

    self.log_verbose = log_verbose
    self._logger = logging.getLogger('project')
    self._logger.setLevel('DEBUG')

    self._formatter = logging.Formatter('[%(asctime)s.%(msecs)03d] %(message)s', datefmt='%Y-%m-%d %H:%M:%S')
    self._formatter_with_nothing = logging.Formatter('%(message)s')

    self.setup_project(project)
    self.setup_device(self._device)

    # create log file handler
    fh = logging.FileHandler(f'/home/pi/logger/project/{self.uuid}.log', mode="w")
    fh.setFormatter(self._formatter)
    self._logger.addHandler(fh)

    default_name = 'admin'
    default_parent = {"folder": [1]}
    collection = Collection.find_collection(default_name, default_parent)
    parent = {"folder": [collection.id]}
    # create project folder
    collection = Collection.create_collection(self.name, parent)
    self.setup_collection(collection)
    
  def setup_project(self, project):
    for (key, value) in project.items():
      if key in key_list.keys():
        key = key_list[key]

      if key == 'task':
        self._task_manager = TaskManager(project['task'], project['cycle'])
      elif key == 'uuid':
        pass
      else:
        setattr(self, key, value)
      
  def setup_device(self, device_list):
    for device in device_list:
      mac_address = device_list[device]['pair']
      complete_device = self._device_manager.get_device(mac_address)
      complete_device.occupied_by_project = self._uuid
      self._complete_device[device] = complete_device
    
  def setup_collection(self, collection):
    self._task_manager.create_collection(collection)

  @property
  def id(self) -> int:
    return self._id
  
  @id.setter
  def id(self, new_id):
    self._id = new_id
  
  @property
  def uuid(self) -> str:
    return self._uuid
  
  @uuid.setter
  def uuid(self, new_uuid):
    self._uuid = new_uuid

  @property
  def name(self) -> str:
    return self._name
  
  @name.setter
  def name(self, new_name):
    self._name = new_name
  
  @property
  def cycle(self) -> list:
    return self._cycle
  
  @cycle.setter
  def cycle(self, new_cycle):
    self._cycle = new_cycle

  @property
  def desc(self) -> str:
    return self._desc
  
  @desc.setter
  def desc(self, new_desc):
    self._desc = new_desc
  
  @property
  def status(self) -> str:
    return self._status
  
  @status.setter
  def status(self, new_status):
    self._status = new_status

  @property
  def device(self) -> list:
    return self._device
  
  @device.setter
  def device(self, new_device):
    self._device = new_device
  
  @property
  def task_list(self):
    return self._task_manager.export_task_list

  @property
  def mqtt_thread(self):
    return self._mqtt_thread

  @property
  def running_task(self):
    return self._task_manager.running_task

  def get_device_parameter_set(self, device_address):
    parameter_set = self._task_manager.running_task.parameter_set
    return next((x for x in parameter_set if parameter_set[x]['target'] == device_address), None)

  def get_cycle(self, task):
      for index, _cycle in enumerate(self.cycle):
        if task.uuid in _cycle['range']:
          return _cycle

  def run(self):
      # project status change running (1)
      self._status = 1
      # save start time
      self._start_time = time()

      # saving & broadcast message
      self._logger.info('Project ' + self.name + ' start')
      self.log_verbose('Project ' + self.name + ' start')
      self.mqtt_thread.broadcast_command('project:' + self._name + ' start at ' + datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
      
      while not self._stop_flag :
        # check running task first
        delay_time = 0
        check_list = copy(self._task_manager.check_list)

        for task in check_list:
          if task != None:
            now = time()

            match_condition_list = task.check_condition(
              project_start_time = self._start_time,
              delay_time = delay_time,
              running_task= self._task_manager.running_task,
              previous_task =  self._task_manager.prev_task,
              self_task = task
            )

            for condition in match_condition_list:
              match_action_list = task.get_match_action(condition.id)
              print('match_action_list', match_action_list, match_action_list)
              for action in match_action_list:
                if action.type == 'cycle' and condition.type == 'previous_task_done':
                  self.mqtt_thread.broadcast_command('project:task ' + task.name + ' start at ' + datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
                  self._task_manager.set_running_task(task)
                  cycle_info = self.get_cycle(task)
                  if cycle_info['useID'] == False:
                    self._logger.info(f'---------- Cycle {task.name} Round {cycle_info["count"]} -----------')
                if action.type == 'cycle' and condition.type == 'until_button_trigger':
                  self._task_manager.running_task.stop()
                  self._logger.info(f'---------- Cycle {cycle_info["id"]} Round {cycle_info["count"]} -----------')

                if self._task_manager.running_task != None:
                  if self._task_manager.running_task.uuid == task.uuid and action.type == 'cycle' and condition.type == 'after_task_run':
                    self._task_manager.running_task.stop()

                if action.type == 'start':
                  if task.status != 1:
                    self._task_manager.set_running_task(task)
                    self._logger.info(f'Task {str(self._task_manager.running_task.name)} start')
                    self.mqtt_thread.broadcast_command('project:task ' + task.name + ' start at ' + datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
                # elif action.type == 'stop':
                  # self.mqtt_thread.broadcast_command('project:task ' + str(self._task_manager.running_task.name) + ' stop at ' + datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
                  # self._count += 1
                  # if self.check_running_task_not_run() == True:
                  #   self._task_manager.running_task.stop()

                elif action.type == 'idle':
                  self._task_manager.running_task.stop()
                # elif action.type == 'stop':
                #   self._task_manager.running_task.stop()

                instruction_set = None

                if action.target is not None:
                  device = self._complete_device[action.target]
                  if ((action.type == 'start' and device.status == 0) or (action.type == 'stop' and device.status == 1)):
                    self._logger.info(f'Device {device.mac_address_in_str} {action.type}')
                    self.log_verbose('Project' + self.name + 'Task ' + task.name + ' match_condition ' + condition.type + ' trigger_action ' + action.type + ' ' + str(action.target))
                    task_info = task.get_task_info(action)
                    instruction_set = getattr(self._instruction_set, action.type, None)
                    
                    # 檔名修正
                    # device
                    task_info['file_name'] += '#' + device.mac_address_in_str[12:].upper()
                    # 流水號
                    task_info['file_name'] += '#' + str(self._count)

                    # 添加cycle資訊
                    if len(self.cycle) > 0:
                      index = self._task_manager.get_index_by_task(task)
                      # get list of cycle determine by index of task
                      filtered = list(filter(lambda info: self._task_manager.get_index_by_uuid(info['range'][0]) < index and self._task_manager.get_index_by_uuid(info['range'][1]) > index, self.cycle))
                      
                      if len(filtered) == 0:
                        pass
                      elif len(filtered) == 1:
                        if filtered[0]['useID'] == True:
                          task_info['file_name'] += '#' + str(filtered[0]['id'])
                        else:
                          task_info['file_name'] += '#' + str(filtered[0]['name']) + '-' + str(filtered[0]['count'])
                      else:
                        # if multi cycle, then sort by range from task index to cycle start index, then loop concat filename
                        filtered.sort(key=lambda info: abs(self._task_manager.get_index_by_uuid(info['range'][0]) - index))
                        for cycle_info in filtered:
                          if cycle_info['useID'] == True:
                            task_info['file_name'] += '#' + str(cycle_info['id'])
                          else:
                            task_info['file_name'] += '#' + str(cycle_info['name']) + '-' + str(cycle_info['count'])
                    self.log_verbose('file name ' + task_info['file_name'])
                    
                  if instruction_set != None and self.get_device_parameter_set(action.target) != None:
                    for instruction in instruction_set:
                      print('instruction 1', device, instruction, datetime.now())
                      args = list(map(lambda arg: task_info[arg], instruction['arguments']))
                      target=getattr(device, instruction['method'])(*args)
                      print('instruction 2', device, instruction, datetime.now())
                    if action.type == 'start':
                      self._count += 1
            
            delay_time += (time() - now)

        # check task not running then stop
        if self.check_running_task_not_run() == True:
          # self._logger.info(f'taskType {self._task_manager.running_task.name} {self._task_manager.running_task.type}')
          if self._task_manager.running_task.type == '':
            self._logger.info(f'Task {self._task_manager.running_task.name} stop')
            self.mqtt_thread.broadcast_command('project:task ' + str(self._task_manager.running_task.name) + ' stop at ' + datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
          self._task_manager.running_task.stop()
        
        # check project done then close project
        if self.check_project_done() == True:
          print('project stop at', datetime.now())
          self.stop()
        
        if self._time_interval - delay_time > 0:
          sleep(self._time_interval - delay_time)

  def pause(self):
    # TODO
    pass

  def stop(self):
    for device in self._complete_device:
      self._complete_device[device].occupied_by_project = None
    self._task_manager.running_task.stop()
    self.mqtt_thread.broadcast_command('project:task ' + str(self._task_manager.running_task.name) + ' stop at ' + datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
    self._status = 2
    self._end_time = time()
    self._stop_flag  = True
    self._logger.info('Project ' + self.name + ' stop')
    self.mqtt_thread.broadcast_command('project:project ' + str(self._name) + ' stop at ' + datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])

  def close(self):
    for device in self._complete_device:
      self._complete_device[device].occupied_by_project = None
    self._status = 2
    self._end_time = time()
    self._stop_flag  = True
    self.mqtt_thread.broadcast_command('project:project ' + str(self._name) + ' stop at ' + datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])

  def check_project_done(self):
    for task in self._task_manager.task_list:
      # if task never start or still task is running then reject 
      if task.status == 1 or task.status == -1:
        return False
    return True
  
  def set_content(self, content):
    self.running_task.button_trigger = True
  
  def set_cycle(self, index, content):
    # change cycle name
    for key in content:
      self.cycle[index][key] = content[key]

    # change task name
    # self._task_manager.get_task_by_uuid(self.cycle[index]['range'][0]).name = content['name']
    # self._task_manager.get_task_by_uuid(self.cycle[index]['range'][1]).name = content['name']
  
  def check_running_task_not_run(self):
    # if no running task
    if self._task_manager.running_task == None:
      return False
    
    # if running is cycle then no need to stop by device
    if self._task_manager.running_task.type == 'cycle':
      return False
    
    for key in self._task_manager.running_task.action:
      # print('action key', key, self._task_manager.running_task, self._task_manager.running_task.action[key])
      if len(self._task_manager.running_task.parameter_set) == 0 and self._task_manager.running_task.action[key]['type'] == 'stop':
        return False
      if len(self._task_manager.running_task.parameter_set) == 0 and self._task_manager.running_task.action[key]['type'] == 'idle':
        return False
      
    for device in self._task_manager.running_task.device:
      if self._complete_device[device].status == 1:
        return False
    return True
  
  def as_json(self):
    running_task = None
    if self._task_manager.running_task is not None:
      running_task = self._task_manager.running_task.as_json()
    data = {
      'id': self._id,
      'name': self._name,
      'uuid': self._uuid,
      'desc': self._desc,
      'status': self._status,
      'device': self._device,
      'task': self.task_list,
      'running_task': running_task,
      'cycle': self._cycle,
      'count': self._count,
    }
    return data
  
  def info_pass_data_server(self):
    if self._task_manager.running_task is not None:
      running_task = self._task_manager.running_task.as_json()
    data = {
      'project': self._uuid,
      'task': running_task,
      'cycle': self._cycle,
      'serial_number': self._count,
    }
    return data