# -*- coding: UTF-8 -*-
from pyautocad import Autocad, APoint
from utils import conf
import math

#这个true表示没有文件则打开一个，CAD有弹窗时会打开或者创建失败
acad = Autocad(create_if_not_exists = False)
# 组件实体点位置
positoins={}
# 组件使用点位置
useAreaPositions={}
# acad.prompt("Hello, Autocad from Python\n")
# print(acad.doc.Name)
def printObjects():
  #遍历cad图形对象
  for obj in acad.iter_objects():
    print(obj.ObjectName)
def printBlockObjects():
  #遍历cad图形对象
  for obj in acad.iter_objects("BlockReference"):
    print(obj.name,obj.HasAttributes)
    if obj.HasAttributes:
      attrs = obj.GetAttributes()
      for attrib in attrs:
        print("  {}: {}".format(attrib.TagString, attrib.TextString))
def printTheTypeObject(type):
  #按类型查找出所有某种图元
  for text in acad.iter_objects(type):
    print(text.name)
def moveBlockReference(position):
  print(conf.moduleLengths)
  for blockReference in acad.iter_objects("BlockReference"):
    print(blockReference.name)
    for item in conf.names:
      if(blockReference.name == item):
        moveBlockReferenceToWall(blockReference,position[conf.names.index(item)])
def moveBlockReferenceToWall(blockReference,wallIndex):
  wallIndex = int(wallIndex)
  blockReference.rotate(APoint(blockReference.InsertionPoint),0.5*(wallIndex+1)*math.pi)
  blockIndex = conf.names.index(blockReference.name)
  print("begin to put ",blockReference.name)
  if(wallIndex == 0):
    blockReference.move(APoint(blockReference.InsertionPoint),APoint(0+conf.moduleLengths[blockIndex]+conf.roomUsedLengths[0],0))
    conf.roomUsedLengths[0] = conf.roomUsedLengths[0]+conf.moduleLengths[blockIndex];
  elif (wallIndex == 1):
    blockReference.move(APoint(blockReference.InsertionPoint),APoint(conf.roomLengths[0],conf.roomLengths[1]-conf.roomUsedLengths[1]))
    conf.roomUsedLengths[1] = conf.roomUsedLengths[1]+conf.moduleLengths[blockIndex];
  elif (wallIndex == 2):
    blockReference.move(APoint(blockReference.InsertionPoint),APoint(conf.roomUsedLengths[2],conf.roomLengths[1]))
    conf.roomUsedLengths[2] = conf.roomUsedLengths[2]+conf.moduleLengths[blockIndex];
  else:
    blockReference.move(APoint(blockReference.InsertionPoint),APoint(0,conf.roomUsedLengths[3]))
    conf.roomUsedLengths[3] = conf.roomUsedLengths[3]+conf.moduleLengths[blockIndex];
  checkPositionIntersect = tempStoragePosition(blockReference.InsertionPoint[0],blockReference.InsertionPoint[1],wallIndex,blockIndex)
  if(checkPositionIntersect == 0):
    print("wallIndex=",wallIndex,blockReference.name," not walkable......")
# 根据新顺序移动模块
def moveBlockReferenceWithNewIndex(position,moduleIndex):
  print(conf.moduleLengths)
  blockReferences = []
  for blockReference in acad.iter_objects("BlockReference"):
    print(blockReference.name)
    for item in conf.names:
      if(blockReference.name == item):
        blockReferences.append(blockReference)
  for index in moduleIndex:
    moveBlockReferenceToWall(blockReferences[index],position[moduleIndex.index(index)])
# 重置已使用墙的长度
def resetConfUsed():
  conf.roomUsedLengths=[1200,0,0,1000]
# 对模块重新排序
def changeConfModuleIndex(moduleIndex):
  names=[]
  moduleLengths=[]
  for index in range(len(conf.moduleLengths)):
    names.append(conf.names[moduleIndex[index]])
    moduleLengths.append(conf.moduleLengths[moduleIndex[index]])
  conf.names = names
  conf.moduleLengths = tuple(moduleLengths)
# 重置模块顺序
def resetModuleIndex():
  conf.names=['md_py','md_xs','md_rc']
  conf.moduleLengths = (800,1000,800)
# 判断位置是否可行
def isWorkable(position):
  resetConfUsed()
  positoins.clear()
  print("position=",position)
  needLength=[0]*4
  for positionIndex in range(len(position)):
    wallIndex = int(position[positionIndex])
    needLength[wallIndex]+=conf.moduleLengths[positionIndex]
    if(needLength[wallIndex]+conf.roomUsedLengths[wallIndex] > conf.roomLengths[wallIndex%2]):
      print(needLength[wallIndex]+conf.roomUsedLengths[wallIndex],conf.roomLengths[math.floor(wallIndex/2)],wallIndex)
      return 0
  return 1
# 获取组件的四点坐标
def getCenterPoint(wallIndex, x, y, blockIndex):
  height = conf.moduleLengths[blockIndex];
  width = conf.moduleHeights[blockIndex];
  useHeight = conf.moduleUseLength[blockIndex]
  useWidth = conf.humenLenght
  usePointPosition = conf.moduleUsePoint[blockIndex]
  useCenterPointPosition = conf.moduleUseCenterPoint[blockIndex]
  pointA = (x,y)
  print("insertPoint=",x,y)
  if(wallIndex == 0):
    pointB = (x,y+width)
    pointC = (x-height,y+width)
    pointD = (x-height,y)
    centerPoint = (x-height/2,y+width/2)
    usePoint= (x-usePointPosition[1],y+usePointPosition[0])
    useCenterPoint= (x-useCenterPointPosition[1],y+useCenterPointPosition[0])
    centerPointOffset = (height,width)
    useCenterPointOffset = (useHeight,useWidth)
  elif(wallIndex == 1):
    pointB = (x-width,y)
    pointC = (x-width,y-height)
    pointD = (x,y-height)
    centerPoint = (x-width/2,y-height/2)
    usePoint= (x-usePointPosition[0],y-usePointPosition[1])
    useCenterPoint= (x-useCenterPointPosition[0],y-useCenterPointPosition[1])
    centerPointOffset = (width,height)
    useCenterPointOffset = (useWidth,useHeight)
  elif(wallIndex == 2):
    pointB = (x,y-width)
    pointC = (x+height,y-width)
    pointD = (x+height,y)
    centerPoint = (x+height/2,y-width/2)
    usePoint= (x+usePointPosition[1],y-usePointPosition[0])
    useCenterPoint= (x+useCenterPointPosition[1],y-useCenterPointPosition[0])
    centerPointOffset = (height,width)
    useCenterPointOffset = (useHeight,useWidth)
  else:
    pointB = (x+width,y)
    pointC = (x+width,y+height)
    pointD = (x,y+height)
    centerPoint = (x+width/2,y+height/2)
    usePoint= (x+usePointPosition[0],y+usePointPosition[1])
    useCenterPoint= (x+useCenterPointPosition[0],y+useCenterPointPosition[1])
    centerPointOffset = (width,height)
    useCenterPointOffset = (useWidth,useHeight)
  positoin = [centerPoint,centerPointOffset,usePoint,useCenterPoint,useCenterPointOffset];
  print(wallIndex,width,height)
  drawPointCircle((pointA, pointB, pointC, pointD, centerPoint, usePoint, useCenterPoint))
  print(positoin)
  return positoin
# 打印辅助点
def drawPointCircle(points):
    for point in points:
        acad.model.AddCircle(APoint(point[0],point[1]), 50)
# 从插入点开始顺时针记录已摆放的组件
def tempStoragePosition(x,y,wallIndex,blockIndex):
  positoin = getCenterPoint(wallIndex, x, y, blockIndex);
  result = 1
  for item in positoins:
    # 判断实体是否相交
    result = isPositionFeasible(positoin,positoins[item])
    if(result == 0):
      positoins.clear()
      return result
    else:
      # 判断可用区域是否与实体相交
      usePoint = positoin[3]
      positoin[0] = usePoint
      positoin[1] = positoin[4]
      result = isPositionFeasible(positoin,positoins[item])
  if(result == 1):
    positoins[len(positoins)] = positoin
  return result

# 计算位置是否可行
def isPositionFeasible(position1,position2):
  acad.model.AddLine(APoint(position1[0][0],position1[0][1]),APoint(position2[0][0],position2[0][1]))
  acad.model.AddCircle(APoint(position1[0][0],position1[0][1]), 50)
  if(math.ceil(position1[0][0]-position2[0][0]) < (position1[1][0]+position2[1][0])/2):
    if(math.ceil(position1[0][1]-position2[0][1]) < (position1[1][1]+position2[1][1])/2):
      print("sorry! can not put here")
      return 0
    print("can put here 1")
    return 1
  else:
    print("can put here 2")
    return 1
# printObjects()
# printBlockObjects()
# printTheTypeObject("BlockReference")

# moveBlockReference('222')
# a=[0,1,2]
# moveBlockReferenceWithNewIndex('001',a)
# print(isWorkable('222'))
# getCenterPoint(3,2200,0,1)