#!/usr/bin/env bash

set -e
set -o pipefail

export ANDROID_HOME="tmp/AndroidSdk"
export ANDROID_AVD_HOME="tmp/AndroidAvd"
export ANDROID_EMULATOR_HOME="tmp/AndroidEmu"

mkdir -p "$ANDROID_HOME"
mkdir -p "$ANDROID_AVD_HOME"
mkdir -p "$ANDROID_EMULATOR_HOME"

case "$(uname -s)" in
  Linux*) machine=linux ;;
  *) machine=mac ;;
esac

download() {
  output="tmp/$(basename "$2")"
  if [ ! -f "$output" ]; then
    wget "$2" -O "$output"
  fi
  eval $1="$output"
}

download cmdtools "https://dl.google.com/android/repository/commandlinetools-$machine-9477386_latest.zip"
download firefox "https://github.com/mozilla-mobile/firefox-android/releases/download/fenix-v111.1.1/fenix-111.1.1-x86_64.apk"

TOOLS="$ANDROID_HOME/cmdline-tools/latest"
if [ ! -d "$TOOLS" ]; then
  unzip -oq "$cmdtools"
  mkdir -p "$ANDROID_HOME/cmdline-tools"
  mv "cmdline-tools" "$TOOLS"
fi

SDKM="$TOOLS/bin/sdkmanager"
AVDM="$TOOLS/bin/avdmanager"
ADB="$ANDROID_HOME/platform-tools/adb"
EMU="$ANDROID_HOME/emulator/emulator -no-audio -no-snapshot -gpu swiftshader_indirect -no-boot-anim"

if [ "$1" != "window" ]; then
  EMU="$EMU -no-window"
fi

if [ "$1" = "stop" ]; then
  killall qemu-system-x86_64 qemu-system-x86_64-headless || true
  $AVDM delete avd -n "my_emulator"
  exit 0
fi

yes | $SDKM --licenses || true
PACKAGE="system-images;android-31;default;x86_64"
$SDKM "platform-tools" "platforms;android-31" "$PACKAGE"
$AVDM create avd -f -n "my_emulator" -b "default/x86_64" -k "$PACKAGE" -d "pixel_3a"
grep -q 'Boot completed' <($EMU -avd "my_emulator")
echo "Boot completed!"

while [ -z "$($ADB devices | grep emulator | grep device)" ]; do
  $ADB devices
  sleep 5
done

$ADB devices
sleep 5

$ADB install "$firefox"
$ADB uninstall --user 0 "org.chromium.webview_shell"