#!/usr/bin/python3
import re
import os
import sys
import importlib

# load version.py; needlessly complicated alternative to "imp.load_source":
version_spec = importlib.util.spec_from_file_location('version', 'electrum/version.py')
version_module = importlib.util.module_from_spec(version_spec)
version_spec.loader.exec_module(version_module)

ELECTRUM_VERSION = version_module.ELECTRUM_VERSION
APK_VERSION = version_module.APK_VERSION
print("version", ELECTRUM_VERSION)

dirname = sys.argv[1]
print("directory", dirname)

download_page = os.path.join(dirname, "panel-download.html")
download_template = download_page + ".template"

with open(download_template) as f:
    string = f.read()

version = version_win = version_mac = version_android = ELECTRUM_VERSION
string = string.replace("##VERSION##", version)
string = string.replace("##VERSION_WIN##", version_win)
string = string.replace("##VERSION_MAC##", version_mac)
string = string.replace("##VERSION_ANDROID##", version_android)
string = string.replace("##VERSION_APK##", APK_VERSION)

files = {
    'tgz': "Electrum-%s.tar.gz" % version,
    'appimage': "electrum-%s-x86_64.AppImage" % version,
    'zip': "Electrum-%s.zip" % version,
    'mac': "electrum-%s.dmg" % version_mac,
    'win': "electrum-%s.exe" % version_win,
    'win_setup': "electrum-%s-setup.exe" % version_win,
    'win_portable': "electrum-%s-portable.exe" % version_win,
}

for k, n in files.items():
    path = "dist/%s"%n
    link = "https://download.electrum.org/%s/%s"%(version,n)
    if not os.path.exists(path):
        os.system("wget -q %s -O %s" % (link, path))
    if not os.path.getsize(path):
        os.unlink(path)
        string = re.sub("<div id=\"%s\">(.*?)</div>"%k, '', string, flags=re.DOTALL + re.MULTILINE)
        continue
    sigpath = path + '.asc'
    siglink = link + '.asc'
    if not os.path.exists(sigpath):
        os.system("wget -q %s -O %s" % (siglink, sigpath))
    if not os.path.getsize(sigpath):
        os.unlink(sigpath)
        string = re.sub("<div id=\"%s\">(.*?)</div>"%k, '', string, flags=re.DOTALL + re.MULTILINE)
        continue
    if os.system("gpg --verify %s"%sigpath) != 0:
        raise Exception(sigpath)
    string = string.replace("##link_%s##"%k, link)


with open(download_page,'w') as f:
    f.write(string)
