#!/usr/bin/env python
# -*- coding: utf-8 -*-

import csv
import argparse
from clint.textui import puts, colored, indent
from clint.textui import columns
#import pytz
#import tzlocal
import time
from datetime import datetime, timedelta, date
import dateutil.parser
from dateutil.rrule import rrulestr
#from icalendar import Calendar,Event,Todo,Journal,Alarm
#import caldav
#import uuid
#import json
import os
#import logging
import sys
#import re
#import urllib3
#from getpass import getpass
#from sympy import symbols
#from sympy.plotting import textplot
import subprocess
from subprocess import Popen, PIPE
import numpy as np

"""
Une mesure est caractérisée par :
    - sa valeur
    - son type
    - sa date
    - sa métrique
    - son identifiant
    - un commentaire
    - autre
"""

def save_mesure():
	''' Affichage et enregistrement d'une mesure '''
	print("Votre mesure a été enregistrée : ")
	with indent(4, quote=colored.blue('')):
		puts(colored.green("-votre poids : {weight} kg").format(weight=args.weight))
		puts("-son type : {typ}".format(typ=args.type))
		puts("-la date : {dat}".format(dat=args.date))
		puts("-la métrique : {metric}".format(metric=args.metric))
		puts("-l'identifiant : {ide}".format(ide=args.id))
		puts("-votre commentaire : {comment}".format(comment=args.comment))
		puts("-autre : {other}".format(other=args.other))
	with open(str(args.data), 'a', newline='\n') as csvfile:
		weightwriter = csv.writer(csvfile, delimiter='|', quotechar='"', quoting=csv.QUOTE_MINIMAL)
		weightwriter.writerow([str(args.weight), \
				str(args.type), \
				str(datetime.now().strftime("%Y-%m-%d %H:%M:%S")), \
				str(args.metric), str(args.id), \
				str(args.comment), \
				str(args.other)])
		
def read_measures():
	''' Affichage de l'ensemble des mesures '''
	data_file = open(str(args.data), 'r')
	data = csv.reader(data_file, delimiter='|')
	linenum = 0
	for row in data:
		with indent(2, quote=colored.blue('')):
			puts(columns([(colored.red(str(linenum))), 4], \
					[(colored.green(str(row[0])+' kg')), 15], \
					[(str(row[1])),10], \
					[(colored.yellow(str(row[2]))),25], \
					[(str(row[3])),6], \
					[(str(row[4])),4], \
                    [(colored.magenta(str(row[5]))),20])), \
                    [(str(row[6])),10]
		linenum += 1
	data_file.close()
	
def remove_measure():
	''' Remove a measure '''
	f = open(args.data, "r")
	contents = f.readlines()
	f.close()
	# remove the line item from list, by line number, starts from 0
	store_temp = str(args.remove)+' '+contents[args.remove]
	g = open('remove.txt', "w")
	g.write(str(store_temp))
	g.close()
	contents.pop(args.remove) 

	f = open(args.data, "w")
	contents = "".join(contents)
	f.write(contents)
	f.close()
	
def undo_remove():
	''' Undo remove the last line removed '''
	f = open(args.data, "r")
	contents = f.readlines()
	f.close()
	g = open('remove.txt', 'r')
	store_temp = g.readline().split(' ',1)
	g.close()
	# insert the line item from list, by line number, starts from 0
	contents.insert(int(store_temp[0]), store_temp[1]) 

	f = open(args.data, "w")
	contents = "".join(contents)
	f.write(contents)
	f.close()
	
def trace_graph():
	''' Trace le graphe de l'évolution du poids avec Gnuplot '''
	#process = Popen(['gnuplot', 'Fonctionnel.txt'], stdout=PIPE, stderr=PIPE)
	process = Popen(['gnuplot', 'Fonctionnel.txt'])#, stdout=PIPE, stderr=PIPE)
	stdout, stderr = process.communicate()
	#print(stdout)
	
	
def tests_subproc():
	''' Test du module subprocess '''
	process = Popen(['cat', 'data2.csv'], stdout=PIPE, stderr=PIPE)
	stdout, stderr = process.communicate()
	print(stdout)

### Main ###
''' Programme de relevé de poids
	Attention, le fichier data.csv à une ligne d'entête à laquelle
	il manque un séparateur | final pour que le nombre de champs soit
	correct.
'''

# Création du parseur pour les arguments
parser = argparse.ArgumentParser()
# Création des arguments
parser.add_argument('-da', '--data',
    default='data2.csv',
    help='optional file data'
)
parser.add_argument('-w', '--weight',
    type=float,
    default=-1,
    help='optional weight'
)
parser.add_argument('-t', '--type',
    default='WEIGHT',
    help='optional type'
)
parser.add_argument('-d', '--date',
    default=datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
    help='optional date'
)
parser.add_argument('-i', '--id',
    default='',
    help='optional id'
)
parser.add_argument('-m', '--metric',
    default='true',
    help='optional metric'
)
parser.add_argument('-c', '--comment',
	default=' ',
	help='optional comment'
)
parser.add_argument('-o', '--other',
    default='',
    help='optional other'
)
parser.add_argument('-r', '--read',
	help='optional read measures',
	action='store_true'
)
parser.add_argument('-rem', '--remove',
    type=int,
    default='-1',
	help='optional delete a measure by its number in the list'
)
parser.add_argument('-g', '--graph',
	help='optional delete a measure by its number in the list',
	action='store_true'
)
parser.add_argument('-tst', '--tests',
	help='optional tests operations',
	action='store_true'
)
parser.add_argument('-ur', '--undoremove',
	help='optional undo remove the last line removed',
	action='store_true'
)
# Récupération des arguments  
args = parser.parse_args()
# Lancement des actions
if args.weight != -1:
	save_mesure()
if args.read:
	read_measures()
if args.remove >= 0:
	remove_measure()
if args.graph:
	trace_graph()
if args.tests:
	tests_subproc()
if args.undoremove:
	undo_remove()