# -*- coding: utf-8 -*-
"""3.2(Ready for new interface).ipynb

Automatically generated by Colaboratory.

Original file is located at
    https://colab.research.google.com/drive/16maX93rvCuU14RBPDK60YxXqxv7aB4Jz

# Libraries
"""

# from google.colab.patches import cv2_imshow
import cv2
import numpy as np
import pandas as pd

import statistics
from statistics import mode

from PIL import Image

# !pip install easydev
# !pip install colormap
# !pip install extcolors

import matplotlib.pyplot as plt
import matplotlib.patches as patches

import extcolors

from colormap import rgb2hex

# !pip install pypdfium2

import pypdfium2 as pdfium
import math
import fitz
import db
import pilecaps_adr
"""# Reading Pdf file and returning image ready to use

"""

def convert2img(path):
    pdf = pdfium.PdfDocument(path)
    page = pdf.get_page(0)
    pil_image = page.render().to_pil()
    pl1=np.array(pil_image)
    img = cv2.cvtColor(pl1, cv2.COLOR_RGB2BGR)
    return img

def readImgggg(img):
  hsv  = cv2.cvtColor(img, cv2.COLOR_BGR2HSV)
  return hsv

#change Background to red, this step before changing the gray shapes
#This function helps in improving colour extraction later in the code
def changeBackground(img):
  imgCopy = img.copy()
  hsv = cv2.cvtColor(imgCopy, cv2.COLOR_BGR2HSV)
  white_range_low = np.array([0,0,250])
  white_range_high = np.array([0,0,255])
  mask2=cv2.inRange(hsv,white_range_low, white_range_high)
  imgCopy[mask2>0]=(0,0,255)
  return imgCopy

#If there any gray shapes it will be changed to blue
def changeGrayModify(img):
  noGray = changeBackground(img)
  hsv = cv2.cvtColor(noGray, cv2.COLOR_BGR2HSV)
  gray_range_low = np.array([0,0,170])
  gray_range_high = np.array([150,30,255])
  mask=cv2.inRange(hsv,gray_range_low,gray_range_high)
  noGray[mask>0]=(255,0,0)
  return noGray

#We may use this function to return background to white after changing the gray shapes to blue
def returnWhite(img):
  imgCopy = img.copy()
  hsv = cv2.cvtColor(imgCopy, cv2.COLOR_BGR2HSV)
  red_range_low = np.array([0,250,250])
  red_range_high = np.array([0,255,255])
  mask2=cv2.inRange(hsv,red_range_low, red_range_high)
  imgCopy[mask2>0]=(255,255,255)
  return imgCopy

"""# Extracting colours for the next phase (preprocessing)"""

#This function will take the image with red background and extract all the colours in the plan
def extractClrs(medianF):
  im = cv2.cvtColor(medianF, cv2.COLOR_BGR2RGB)
  im = Image.fromarray(im)
  colors_x = extcolors.extract_from_image(im,8,8)
  listofTuples = []
  for i in range(len(colors_x[0])):
    listofTuples.append(colors_x[0][i][0])
  rgb = []
  for i in range(len(listofTuples)):
    rgb.append([])
  for i in range(len(listofTuples)):
    for j in range(len(listofTuples[i])):
      rgb[i].append(listofTuples[i][j])
  rgb = np.uint8([[rgb]])
  clr_hsv = []
  for i in range(len(rgb)):
    clr_hsv.append(cv2.cvtColor(rgb[i], cv2.COLOR_RGB2HSV))
  return clr_hsv

#Used to delete any gray or white colours detected
def deleteZeroHue(clr_hsv):
  clr_hsv_short = []
  for i in range(len(clr_hsv[0][0])):
    if clr_hsv[0][0][i][0] > 0:
      clr_hsv_short.append(clr_hsv[0][0][i])
  return clr_hsv_short

#Saving the region of the different colours in the plan
def dividingInput(clr_hsv_short):
  hInput = []
  sInput = []
  vInput = []
  for i in range(len(clr_hsv_short)):
    hInput.append(clr_hsv_short[i][0])
    sInput.append(clr_hsv_short[i][1])
    vInput.append(clr_hsv_short[i][2])
  return hInput, sInput, vInput

#Setting the range of upper and lower range of the Hue of different colours
#Will be used to separate each shape inside the plan in a different img due to their different colours
def setRange(n, hInput):
  lower = []
  upper = []
  for i in range(len(hInput)):
    if (hInput[i] - n > 0):
      lower.append(np.uint(hInput[i] - n))
    else:
      lower.append(np.uint(hInput[i]))
    upper.append(np.uint(hInput[i] + n))
  return lower, upper

"""# Reading the image's colours"""

#Saving all the hues, saturations, values of the plan
def getColoursImage(hsv, img):
  hue = hsv[:,:,0]
  saturation = hsv[:,:,1]
  value = hsv[:,:,2]
  h=[]
  s=[]
  v=[]

  for i in range(img.shape[1]):
    for j in range(img.shape[0]):
      if hue[j][i] > 0 :
        h.append(hue[j][i])
        s.append(saturation[j][i])
        v.append(value[j][i])
  return h,s,v

#Putting different hues in different categories (each colour is a category)
def categorizeV4(hsv, lower, upper, img):
  h, s, v = getColoursImage(hsv, img)
  groups = []
  for i in range(len(lower)):
    groups.append([])
  for i in range(len(h)):
    for j in range(len(lower)):
      if h[i] in range(lower[j],upper[j]):
        groups[j].append([h[i], s[i], v[i]])
  return groups

#Putting the hue, saturation, values in the categories
def getHuesV3(categorey):
  hues = []
  for i in range(len(categorey)):
    hues.append([])
  for i in range(len(categorey)):
    for j in range(len(categorey[i])):
      hues[i].append(categorey[i][j][0])
  return hues

def getSaturationsV3(categorey):
  saturations = []
  for i in range(len(categorey)):
    saturations.append([])
  for i in range(len(categorey)):
    for j in range(len(categorey[i])):
      saturations[i].append(categorey[i][j][1])
  return saturations

def getValuesV3(categorey):
  values = []
  for i in range(len(categorey)):
    values.append([])
  for i in range(len(categorey)):
    for j in range(len(categorey[i])):
      values[i].append(categorey[i][j][2])
  return values

#Getting the maximum and minimum of each h,s,v of each category
def setBoundaries(hues, saturations, values):

  hueMin = []
  hueMax = []
  satMin = []
  satMax = []
  valMin = []
  valMax = []

  for i in range(len(hues)):
    hueMin.append(min(hues[i]))
    hueMax.append(max(hues[i]))

  for i in range(len(saturations)):
    satMin.append(min(saturations[i]))
    satMax.append(max(saturations[i]))

  for i in range(len(values)):
    valMin.append(min(values[i]))
    valMax.append(max(values[i]))
  return hueMin, hueMax, satMin, satMax, valMin, valMax

"""# Colour Segmentation"""

#Producing List of images, each image contains a shape of different Colour (imgResult)
def segment(hueMin, hueMax, satMin, satMax, valMin, valMax):
  lowerRange = []
  upperRange = []
  for i in range(len(hueMin)):
    #lowerRange.append([hueMin[i], satMin[i]  , valMin[i]])
    lowerRange.append([hueMin[i], np.uint8(satMin[i] +15)  , valMin[i]])
    upperRange.append([hueMax[i], satMax[i], valMax[i]])
  lower_range = np.array(lowerRange)
  upper_range = np.array(upperRange)
  return lower_range, upper_range


def masking(lower_range, upper_range, hsvMedian, img):
  mask = []
  imgResult = []
  for i in range(len(lower_range)):
    mask.append(cv2.inRange(hsvMedian, lower_range[i], upper_range[i]))
  for j in range(len(lower_range)):
    imgResult.append(cv2.bitwise_and(img, img, mask=mask[j]))
  return imgResult

"""# Preprocessing"""

# Returning a Clean Image ready to be used in measurement
def bluring(imgResult):
  imgGray = []
  imgBlur = []
  for i in range(len(imgResult)):
    imgGray.append(cv2.cvtColor(imgResult[i], cv2.COLOR_BGR2GRAY))
  for i in range(len(imgGray)):
    imgBlur.append(cv2.GaussianBlur(imgGray[i], (5,5),3))
  return imgBlur

def preprocessing(imgBlur):
  imTT = []
  th2 = []
  for i in range(len(imgBlur)):
    imTT.append([])
  for k in range(len(imgBlur)):
    for i in range(imgBlur[k].shape[1]):
      for j in range(imgBlur[k].shape[0]):
        if imgBlur[k][j][i] > 5:
          imTT[k].append(imgBlur[k][j][i])
  modd = []
  for i in range(len(imTT)):
    modd.append(mode(imTT[i]))
  for i in range(len(imgBlur)):
    th2.append(cv2.threshold(imgBlur[i],modd[i]-70,255,cv2.THRESH_BINARY))
  return th2

def is_contour_bad(c):
	peri = cv2.arcLength(c, True)
	approx = cv2.approxPolyDP(c, 0.02 * peri, True)
	return  cv2.contourArea(c) < 1200

def beforeCelaning(maskBad, th2):
  imgb4Cleaned = []
  for i in range(len(th2)):
    imgb4Cleaned.append(th2[i][1].copy())
  return imgb4Cleaned

def badMask(imgResult, img):
  maskBad = []
  for i in range(len(imgResult)):
    maskBad.append(np.ones(img.shape[:2], dtype="uint8") * 255)
  return maskBad

def applyBadContours(imgb4Cleaned, th2, maskBad):
  imgCleaned = []
  for j in range(len(th2)):
    contours, hierarchy = cv2.findContours(image=th2[j][1], mode=cv2.RETR_EXTERNAL, method=cv2.CHAIN_APPROX_SIMPLE)
    for k, cnt in enumerate(contours):
      if is_contour_bad(cnt):
        cv2.drawContours(maskBad[j], [cnt], -1, 0, -1)
    imgCleaned.append(cv2.bitwise_and(imgb4Cleaned[j], th2[j][1], mask=maskBad[j]))
  return imgCleaned
def morph(imgCleaned):
  dilations = []
  kernel = cv2.getStructuringElement(cv2.MORPH_RECT,(5,5))
  for i in range(len(imgCleaned)):
    dilations.append(cv2.dilate(imgCleaned[i], kernel, iterations=2))
  return dilations

"""# (optional) If we want to get those rectangle colours in producing Legends"""

def extractNewRgb(imgResult):
  im = cv2.cvtColor(imgResult, cv2.COLOR_BGR2RGB)
  im = Image.fromarray(im)
  colors_x = extcolors.extract_from_image(im,2,2)

  listofTuples = []
  for i in range(len(colors_x[0])):
    listofTuples.append(colors_x[0][i][0])
  rgb = []
  for i in range(len(listofTuples)):
    rgb.append([])
  for i in range(len(listofTuples)):
    for j in range(len(listofTuples[i])):
      rgb[i].append(listofTuples[i][j])
  return rgb

def intRgb(imgResult):
  list_keda = []
  for i in range(len(imgResult)):
    list_keda.append(extractNewRgb(imgResult[i]))
  newRgb = []
  for i in range(len(list_keda)):
    newRgb.append(list_keda[i][1])

  list_int = []
  for i in range(len(newRgb)):
    list_int.append([])

  for i in range(len(newRgb)):
    for j in range(len(newRgb[i])):
      list_int[i].append(int(newRgb[i][j]))
  return list_int

def rgb2hexa(list_int):
  x = []
  for i in range(len(list_int)):
    x.append(rgb2hex(list_int[i][0],list_int[i][1],list_int[i][2]))
  return x

# (optional) If we want to get those rectangle colours in producing Legends

def extractNewRgb(imgResult):
  im = cv2.cvtColor(imgResult, cv2.COLOR_BGR2RGB)
  im = Image.fromarray(im)
  colors_x = extcolors.extract_from_image(im,2,2)

  listofTuples = []
  for i in range(len(colors_x[0])):
    listofTuples.append(colors_x[0][i][0])
  rgb = []
  for i in range(len(listofTuples)):
    rgb.append([])
  for i in range(len(listofTuples)):
    for j in range(len(listofTuples[i])):
      rgb[i].append(listofTuples[i][j])
  return rgb

def intRgb(imgResult):
  list_keda = []
  for i in range(len(imgResult)):
    list_keda.append(extractNewRgb(imgResult[i]))
  newRgb = []
  for i in range(len(list_keda)):
    newRgb.append(list_keda[i][1])

  list_int = []
  for i in range(len(newRgb)):
    list_int.append([])

  for i in range(len(newRgb)):
    for j in range(len(newRgb[i])):
      list_int[i].append(int(newRgb[i][j]))
  return list_int

def rgb2hexa(list_int):
  x = []
  for i in range(len(list_int)):
    x.append(rgb2hex(list_int[i][0],list_int[i][1],list_int[i][2]))
  return x


"""# Measuring Area

"""

# Produce List of shape's area in PPIXELS
def getArea(dilation):
  contourzz, hierarchy = cv2.findContours(image=dilation, mode=cv2.RETR_EXTERNAL, method=cv2.CHAIN_APPROX_NONE)
  areaa = 0

  for i, cnt3 in enumerate(contourzz):
    M = cv2.moments(cnt3)
    if M['m00'] != 0.0:
      x2 = int(M['m10']/M['m00'])
      y2 = int(M['m01']/M['m00'])
    area3 = cv2.contourArea(cnt3)
    areaa = areaa+area3
  return areaa

def measure(dilations):
  areas = []
  for i in range(len(dilations)):
    areas.append(getArea(dilations[i]))
  return areas

#Producing Image with drawing Contours and putting the number of areas as text on the shape
def getDrawing(page,ratio,dilation, img ,areaRatio,perimRatio):

  contourzz, hierarchy = cv2.findContours(image=dilation, mode=cv2.RETR_EXTERNAL, method=cv2.CHAIN_APPROX_NONE)
  areaa = 0
  perimeter = 0
  imgNew = img

  for i, cnt3 in enumerate(contourzz):
    shape=[]
    M = cv2.moments(cnt3)
    if M['m00'] != 0.0:
      x2 = int(M['m10']/M['m00'])
      y2 = int(M['m01']/M['m00'])
    area3 = cv2.contourArea(cnt3)
    areaRatio1= area3*areaRatio
    areaa = areaa+area3
    perimeter3 = cv2.arcLength(cnt3, True)
    perimeterRatio1=perimeter3*perimRatio
    perimeterr = perimeter+perimeter3
    approx = cv2.approxPolyDP(cnt3, 0.005 * perimeter3, True)
    for point in approx:
      x1, y1 = point[0] 
      shape.append([int(x1*ratio),int(y1*ratio)])
    #areaa = round(areaa * 15.25/13480.0, 3)


    cv2.putText(imgNew, f'Area :{areaa}', (x2, y2), cv2.FONT_HERSHEY_SIMPLEX, 0.6, (0, 255, 0), 2)
    imgNew = cv2.drawContours(img, [cnt3], -1, (0,255,255), 3)
    annot = page.add_polygon_annot( points=shape )  # 'Polygon'
    annot.set_border(width=0.3, dashes=[2])
    annot.set_colors( fill=(  0 ,  1, 1 ) ) 
    # annot.set_colors( fill=(1,0,1) )
    annot.set_opacity(0.5)
    annot.set_info(content='Area='+str(areaRatio1)+' m2' +'\n \nPerimeter='+str(perimeterRatio1)+' m',subject='ADR Team')#,title='uuum')
    # annot.set_line_ends(fitz.PDF_ANNOT_LE_DIAMOND, fitz.PDF_ANNOT_LE_CIRCLE)
    annot.update()
  # doc.save('tameem.pdf', deflate=True)
  return imgNew


def exDraw(plan, dilations, img, pdfpath,areaRatio,perimRatio):
  ## 
  doc = fitz.open('dropbox_plans/3.2/'+plan)
  page = doc[0]    
  page.set_rotation(0)
  pix=page.get_pixmap()
  ratio =  pix.width/ img.shape[1] 
  ###
  print(pdfpath)
  newImg = img
  for i in range(len(dilations)):
    newImg = (getDrawing(page,ratio, dilations[i], img ,areaRatio,perimRatio))
  # doc.save('tameem.pdf', deflate=True)
  pdflink= db.dropbox_upload_file(doc=doc,pdfname=plan,pdfpath=pdfpath)
  
  print(pdflink)
  return newImg , pdflink
# Perimeter

def getPerimeter(dilation):
  contourzz, hierarchy = cv2.findContours(image=dilation, mode=cv2.RETR_EXTERNAL, method=cv2.CHAIN_APPROX_NONE)
  perimeter = 0
  for i, cnt3 in enumerate(contourzz):
    #imgResult4 = img.copy()
    M = cv2.moments(cnt3)
    if M['m00'] != 0.0:
      x2 = int(M['m10']/M['m00'])
      y2 = int(M['m01']/M['m00'])
    perimeter3 = cv2.arcLength(cnt3, True)
    perimeter = perimeter+perimeter3
  return perimeter
def measureP(dilations):
  perimeters = []
  for i in range(len(dilations)):
    perimeters.append(getPerimeter(dilations[i]))
  return perimeters

# Number of Shapes


def getNumber(dilation):
  contourzz, hierarchy = cv2.findContours(image=dilation, mode=cv2.RETR_EXTERNAL, method=cv2.CHAIN_APPROX_NONE)
  n_shapes = 0
  for i, cnt3 in enumerate(contourzz):
    #imgResult4 = img.copy()
    M = cv2.moments(cnt3)
    if M['m00'] != 0.0:
      x2 = int(M['m10']/M['m00'])
      y2 = int(M['m01']/M['m00'])
    n_shapes = n_shapes + 1
  return n_shapes

def countShapes(dilations):
  n_shapes = []
  for i in range(len(dilations)):
    n_shapes.append(getNumber(dilations[i]))
  return n_shapes

# Length


def getLength(dilation):
  contourzz, hierarchy = cv2.findContours(image=dilation, mode=cv2.RETR_EXTERNAL, method=cv2.CHAIN_APPROX_NONE)
  perimeter = 0
  for i, cnt3 in enumerate(contourzz):
    #imgResult4 = img.copy()
    M = cv2.moments(cnt3)
    if M['m00'] != 0.0:
      x2 = int(M['m10']/M['m00'])
      y2 = int(M['m01']/M['m00'])
    x, y, w, h = cv2.boundingRect(cnt3)
  return w
def measureL(dilations):
  Length = []
  for i in range(len(dilations)):
    Length.append(getLength(dilations[i]))
  return Length

"""# Converting Pixels to M2

"""

#Producing Reference Object and calculating it's vale in PIXELS
def calcRef(img):
  blk = np.ones(img.shape, dtype="uint8") * [[[np.uint8(0), np.uint8(0), np.uint8(0)]]]

  start_point = (50, 100)
  end_point = (120, 200)
  color = (255, 255, 255) # white BGR
  thickness = -1 # Thickness of -1 will fill the entire shape

  blk = cv2.rectangle(blk, start_point, end_point, color, thickness)

  blk = cv2.cvtColor(blk, cv2.COLOR_BGR2GRAY)

  contourzz, hierarchy = cv2.findContours(image=blk, mode=cv2.RETR_EXTERNAL, method=cv2.CHAIN_APPROX_NONE)
  for i, cnt3 in enumerate(contourzz):
    M = cv2.moments(cnt3)
    if M['m00'] != 0.0:
      x2 = int(M['m10']/M['m00'])
      y2 = int(M['m01']/M['m00'])
    area = cv2.contourArea(cnt3)
    return area

# Saving the Area of the Reference object in M2 that we get from the user
def getRealRef(area):
  areaFromUser = area
  return areaFromUser

# Calculating the M2 areas of each shape and saving them in a List
# areaGotFromUser --> User will pass it after measuring the produced shape in BB
# areaPixelRef --> will get it from calcRef() function
# areas --> will get it from the measure() function in the "Measuring Area Cells"
def m2R(PixelMetricRatio, areas):
  mreal = []
  for i in range(len(areas)):
    mreal.append(areas[i] * PixelMetricRatio) 
  return mreal

"""# Another approach (Getting the display screen dimensions from user)"""

def ppi_calculate(width, height, inch):
  diagonal = math.sqrt((width**2 )+(height**2))
  ppi = diagonal / inch
  ppi2 = ppi * ppi
  return ppi2
def convertToMeterSQ(ratio, areas):
  areaM2 = []
  for i in range(len(areas)):
    areaM2.append(round(areas[i] * ratio, 3)) # true value of area of any shape/ area px value of same shape
  return areaM2

"""# Main Function That calls all of the above functions"""

def mainFunction(plan, areaRatio ,perimRatio, pdfpath):
    plan1='dropbox_plans/3.2/'+str(plan)
    img = convert2img(plan1)
    img = cv2.cvtColor(img, cv2.COLOR_RGB2BGR)
    imgChange = changeGrayModify(img)
    hsv = readImgggg(imgChange)
    clr_hsv = extractClrs(imgChange)
    clr_hsv_short = deleteZeroHue(clr_hsv)
    hInput, sInput, vInput = dividingInput(clr_hsv_short)
    lower, upper = setRange(5, hInput)
    cat2 = categorizeV4(hsv, lower, upper, img)
    hues = getHuesV3(cat2)
    values = getValuesV3(cat2)
    saturations = getSaturationsV3(cat2)
    hueMin, hueMax, satMin, satMax, valMin, valMax = setBoundaries(hues, saturations, values)
    lower_range, upper_range = segment(hueMin, hueMax, satMin, satMax, valMin, valMax)
    imgResult = masking(lower_range, upper_range, hsv, img)
    ##For the Legend newRgb and hexClrs, make the main function returns one of the following two variables
    ## newRgb or hexClrs
    newRgb = intRgb(imgResult)
    hexClrs = rgb2hexa(newRgb)
    imgBlur = bluring(imgResult)
    th2 = preprocessing(imgBlur)
    maskBad = badMask(imgResult, img)
    imgb4Cleaned = beforeCelaning(maskBad,th2)
    imgCleaned = applyBadContours(imgb4Cleaned, th2, maskBad)
    dilations = morph(imgCleaned)
    # newImg , pdflink = exDraw(plan, dilations, img , pdfpath)
    areas = measure(imgCleaned)
    perimeters = measureP(imgCleaned)
    quantites = countShapes(imgCleaned)
    length = measureL(imgCleaned)

    # area_ref_pixel, perimeter_ref_pixel = calcRef(img)

    # area_ref_real = getRealRef(areaRef)
    # perimeter_ref_real = getRealRefL(perimeterRef)
    realArea = m2R(areaRatio, areas)
    realPerimeter = m2R(perimRatio, perimeters)

    newImg  , pdflink= exDraw(plan,dilations, img, pdfpath,areaRatio, perimRatio )
    data = {
        'Color' : newRgb,
        'Occurences': quantites,
        'Area':realArea,
        'Total Area': realArea,
        'Perimeter':perimeters,
        'Total Perimeter': perimeters,
        'Length': length,
        'Total Length': length}
    df = pd.DataFrame(data)
    print(df)


    gc,spreadsheet_service,spreadsheetId, spreadsheet_url , namepathArr= pilecaps_adr.legendGoogleSheets(df,plan ,pdfpath)

    dbx=db.dropbox_connect()

    md, res =dbx.files_download(path= pdfpath+plan)
    data = res.content

    doc=fitz.open("pdf", data)
    # list1=pd.DataFrame(columns=['content', 'creationDate', 'id', 'modDate', 'name', 'subject', 'title'])
    list1=pd.DataFrame(columns=['content',  'id',  'subject'])
    for page in doc:
        for annot in page.annots():
            list1.loc[len(list1)] =annot.info
    print(list1)
    return newImg, df , pdflink , spreadsheetId, spreadsheet_url   , list1