#!/bin/bash

cd "$(dirname "${BASH_SOURCE[0]}")"

if test -z "$ANDROID_HOME"; then
  echo "The environment variable ANDROID_HOME isn't set."
  exit 1
fi

if ! test -x "$ANDROID_HOME/tools/bin/sdkmanager"; then
  echo "Invalid environment variable ANDROID_HOME: $ANDROID_HOME"
  exit 1
fi

PATH=$ANDROID_HOME/tools/bin:$ANDROID_HOME/ndk-bundle:$ANDROID_HOME/emulator:$ANDROID_HOME/platform-tools:$PATH

set -e

echodo() {
  banner "$@"
  "$@"
  echo
}

banner() {
  echo ==========================================
  echo == $@
  echo ==========================================
}

if test "$TRAVIS" = true; then
  banner sdkmanager tools ndk-bundle emulator
  # Discard stdout to suppress log size. Test stops when log size > 4M on traivis-ci.
  echo yes | sdkmanager tools ndk-bundle emulator > /dev/null
  echo
fi

echodo ndk-build

API=25
TAG=google_apis
if test "$TRAVIS" = true; then
  ABIS="arm64-v8a armeabi-v7a"
else
  ABIS="arm64-v8a armeabi-v7a x86 x86_64"
fi

for ABI in $ABIS; do
  AVD_NAME=android-$API-$TAG-$ABI
  if ! avdmanager list avd -c | grep "^$AVD_NAME$" > /dev/null; then
    echo no | echodo avdmanager create avd -n $AVD_NAME -k "system-images;android-$API;$TAG;$ABI" -f
  fi

  banner emulator -avd $AVD_NAME -no-window -no-audio
  emulator -avd $AVD_NAME -no-window -no-audio &
  EMULATOR_PID=$!
  trap "kill $EMULATOR_PID" EXIT
  echo

  echodo adb wait-for-device
  echodo adb root
  sleep 1
  echodo adb push libs/$ABI/libtest.so /data/local
  echodo adb push libs/$ABI/testprog /data/local
  echodo adb shell "chmod 755 /data/local/libtest.so /data/local/testprog"
  echodo adb shell "env LD_LIBRARY_PATH=/data/local /data/local/testprog open"
  echodo adb shell "env LD_LIBRARY_PATH=/data/local /data/local/testprog open_by_address"
  echodo adb shell "env LD_LIBRARY_PATH=/data/local /data/local/testprog open_by_handle"
  kill $EMULATOR_PID
  trap - EXIT
  wait $EMULATOR_PID || true # ignore the exit code of the emulator process.
done