#!/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]

# GPG names of extra signers
extra_signers = sys.argv[2:]

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,
    '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,
    'apk_arm64': "Electrum-%s-arm64-v8a-release.apk" % APK_VERSION,
    'apk_armeabi': "Electrum-%s-armeabi-v7a-release.apk" % APK_VERSION,
}


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):
        raise Exception(path)

    string = string.replace("##link_%s##"%k, link)
    sig_ThomasV = link + '.ThomasV.asc'
    sig_SomberNight = link + '.sombernight_releasekey.asc'
    sigs = [
        "<a href=\"%s\">%s</a>"%(sig_ThomasV, 'ThomasV'),
        "<a href=\"%s\">%s</a>"%(sig_SomberNight, 'SomberNight'),
    ]

    for signer in extra_signers:
        sig_name = n + '.'+signer+'.asc'
        sig_url = "https://raw.githubusercontent.com/spesmilo/electrum-signatures/master/%s/%s/%s"%(version, n, sig_name)
        sig_path = "dist/%s"% sig_name
        os.system("wget %s -O %s"%(sig_url, sig_path))
        if os.system("gpg --verify %s %s"%(sig_path, path)) != 0:
            raise Exception(sig_name)
        sigs.append( "<a href=\"%s\">%s</a>"%(sig_url, signer) )
    sigs = '\n'+',\n'.join(sigs)+'\n'
    string = string.replace("##sigs_%s##"%k, sigs)

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