#!/usr/bin/env python3
import sys
import urllib.request
import json
import os
import shutil
from PIL import ImageFont
from PIL import ImageDraw
from PIL import Image
from dotenv import load_dotenv
from paramiko import SSHClient
from scp import SCPClient

#### HEAR BE DRAGONS
# set python environment
if getattr(sys, 'frozen', False):
    bundle_dir = sys._MEIPASS
else:
    # we are running in a normal Python environment
    bundle_dir = os.path.dirname(os.path.abspath(__file__))

# load environmental variables
load_dotenv(bundle_dir + "/.env")

## get JSON from solar edge server
infile = os.getenv('INFILE')
outfile = os.getenv('OUTFILE')
font_face = os.getenv('FONT_FACE')
ssh_host = os.getenv('SSH_HOST')
ssh_port = os.getenv('SSH_PORT')
ssh_user = os.getenv('SSH_USER')
ssh_folder = os.getenv('SSH_FOLDER')
line1 = int(os.getenv('LINE1'))
line2 = int(os.getenv('LINE2'))
xpos = int(os.getenv('MARGIN'))
fill_color = str(os.getenv('COLOR'))

co2 = 0
trees = 0
url = []
while os.getenv('URL'+str(len(url)+1)):
    req = urllib.request.Request(os.getenv('URL'+str(len(url)+1)))
    url.append(os.getenv('URL'+str(len(url)+1)))
    # parsing response
    r = urllib.request.urlopen(req).read()
    cont = json.loads(r.decode('utf-8'))
    co2 += round(cont['envBenefits']['gasEmissionSaved']['co2'])
    trees += round(cont['envBenefits']['treesPlanted'])

## create image for website
image = Image.open(bundle_dir + "/" + infile)
font = ImageFont.truetype(bundle_dir + "/" + font_face, 19)

draw = ImageDraw.Draw(image)
draw.text((xpos, line1), "{:,} lbs".format(co2) , font=font, fill=fill_color)
draw.text((xpos, line2), "{:,}".format(trees), font=font, fill=fill_color)
image.save(outfile)


## upload image to website or copy to folder
if ssh_host:
    ssh = SSHClient()
    ssh.load_system_host_keys()
    ssh.connect(hostname=ssh_host, port=ssh_port, username=ssh_user)

    scp = SCPClient(ssh.get_transport())
    scp.put(outfile, ssh_folder)
    scp.close()
    ssh.close()
else:
    shutil.copy2(outfile, ssh_folder)

os.remove(outfile)