#!/bin/bash
# Build SCAR Chat Android APK using Docker
# This avoids needing to install the full Android SDK on your system

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$SCRIPT_DIR"

echo "=================================="
echo "Building SCAR Chat APK with Docker"
echo "=================================="
echo ""

# Check if Docker is available
if ! command -v docker &> /dev/null; then
    echo "Error: Docker is not installed"
    echo "Install Docker from: https://www.docker.com/products/docker-desktop"
    echo ""
    echo "Or build manually:"
    echo "  1. Install Android Studio"
    echo "  2. Run: ./setup-android-sdk.sh"
    echo "  3. Run: ./gradlew build"
    exit 1
fi

echo "✓ Docker found"
echo ""

# Pull Android SDK image
echo "Downloading Android build environment..."
docker pull reactnativecommunity/react-native-android:latest 2>/dev/null || \
docker pull thebigbluebox/android-ndk:latest 2>/dev/null || \
docker pull maven:3.9-eclipse-temurin-21 2>/dev/null || {
    echo "Error: Could not pull Android Docker image"
    echo "Ensure you have internet connection and Docker running"
    exit 1
}

echo "✓ Build environment ready"
echo ""
echo "Building APK..."

# Build using Docker
docker run --rm \
    -v "$PROJECT_DIR:/workspace" \
    -w /workspace \
    -e GRADLE_USER_HOME=/workspace/.gradle \
    maven:3.9-eclipse-temurin-21 \
    bash -c "
        apt-get update && apt-get install -y android-sdk android-tools 2>/dev/null || true
        ./gradlew build --no-daemon
    " || {
    echo "Docker build attempted (full Android SDK image not available)"
    exit 1
}

echo ""
echo "✓ Build complete!"
echo ""
echo "APK files generated at:"
echo "  Debug:   $PROJECT_DIR/app/build/outputs/apk/debug/app-debug.apk"
echo "  Release: $PROJECT_DIR/app/build/outputs/apk/release/app-release.apk"