#!/usr/bin/env python3

import os
import sys
import subprocess
import json
import requests
import re
from PIL import Image
import time
import math

res_dir = '/var/www/logos/site/res'
pb_image = '/var/www/logos/site/images/poweredby.png'
pb_dir = '/var/www/logos/site/poweredby'

projects = [x for x in os.listdir(res_dir) if os.path.isdir(os.path.join(res_dir, x))]

for project in sorted(projects):
    dpath = '%s/%s/default_hr.png' % (res_dir, project)
    if os.path.exists('%s/%s/%s-pb_highres.png' % (res_dir, project, project)):
        dpath = '%s/%s/%s-pb_highres.png' % (res_dir, project, project)
    outpath = '%s/%s.png' % (pb_dir, project)
    if os.path.exists(dpath):
        try:
          st = os.stat(dpath)
        except:
          st = None
        if st and (st.st_mtime > (time.time() - 43200) or not os.path.exists(outpath)):
            back = Image.open(pb_image)
            front = Image.open('%s/%s/default_hr.png' % (res_dir, project))
            
            w = front.width
            h = front.height
            to_edge = math.sqrt(((w/2)*(w/2)) + ((h/2)*(h/2)))
            while to_edge > 520:
                w *= 0.995
                h *= 0.995
                to_edge = math.sqrt(((w/2)*(w/2)) + ((h/2)*(h/2)))
            w = int(w)
            h = int(h)
            print("Generating 'Powered By' for %s (%u x %u)..." % (project, w, h))
            size = (w, h)
            front.thumbnail(size, Image.ANTIALIAS)
            
            centerx = int((back.width/2) - (w/2))
            centery = int((back.height/2) - (h/2))
            back.paste(front, (centerx, centery), front)
            
            back.save('%s/%s.png' % (pb_dir, project), 'PNG')