#!/bin/bash

if [[ -z "${APKURL}" ]]; then
  echo "APKURL environment variable must be defined.  It should be set to the URL to download the Electrum APK"
  exit 1
fi

APKNAME=$(basename $APKURL)

echo "Downloading ${APKURL}"
curl -O -J "${APKURL}"

echo "Downloading ${APKURL}.asc"
curl -O -J "${APKURL}.asc"

ls -la

gpg --verify "${APKNAME}.asc"

if [ $? -ne 0 ] ; then
    echo "gpg signatures failed!  Something fishy/malicious is probably going on with this electrum apk.  Cleaning up tainted files.  Please check manually and investigate!"
    rm -rf $APKNAME "${APKNAME}.asc"
    exit 2
fi

mv $APKNAME /apps

echo ""
echo ""
echo "Connect the phone, ensure USB debugging is enabled, then run these commands on the host: "
echo ""
echo ""
echo "          sudo adb kill-server"
echo "          sudo adb start-server"
echo ""
echo "          sudo adb install /data/android/apps/${APKNAME}"
echo ""
echo "          sudo adb kill-server"
echo ""
echo ""