#!/usr/bin/env bash
set -euo pipefail

cd "$(dirname "$0")/.."

MODE="${1:-debug}"
if [[ "$MODE" != "debug" && "$MODE" != "release" ]]; then
  echo "Usage: $0 [debug|release]" >&2
  exit 2
fi

export JAVA_HOME="${JAVA_HOME:-/usr/lib/jvm/java-21-openjdk}"
if [[ ! -x "$JAVA_HOME/bin/java" ]]; then
  echo "JDK 21 not found at $JAVA_HOME" >&2
  exit 1
fi

SDK="${ANDROID_HOME:-/opt/android-sdk}"
ADB="$SDK/platform-tools/adb"
PACKAGE="com.wasp.cardash_launcher"

echo "==> Building $MODE APK"
flutter build apk "--$MODE"
APK="build/app/outputs/flutter-apk/app-$MODE.apk"
if [[ ! -f "$APK" ]]; then
  echo "APK not found at $APK" >&2
  exit 1
fi

if ! "$ADB" devices | grep -q "device$"; then
  echo "No Android device/emulator connected. Start one with ./tool/emulator.sh 35" >&2
  exit 1
fi

echo "==> Installing $APK"
"$ADB" install -r "$APK"

echo "==> Ensuring CarDash is the HOME app"
if ! "$ADB" shell cmd role add-role-holder android.app.role.HOME "$PACKAGE" >/dev/null 2>&1; then
  echo "Role manager command was unavailable; open Settings > General > Home app in CarDash."
fi

echo "==> Starting CarDash"
"$ADB" shell am start -a android.intent.action.MAIN -c android.intent.category.HOME >/dev/null

echo "Installed and started $PACKAGE"