#!/bin/bash
# Android SDK Setup Script for Building SCAR Chat APK

set -e

echo "================================"
echo "Android SDK Setup for SCAR Chat"
echo "================================"
echo ""

SDK_HOME="${ANDROID_HOME:-$HOME/Android/Sdk}"

# Check if SDK already exists
if [ -d "$SDK_HOME" ]; then
    echo "✓ Android SDK found at: $SDK_HOME"
else
    echo "Setting up Android SDK at: $SDK_HOME"
    mkdir -p "$SDK_HOME"
    
    echo ""
    echo "Downloading Android command-line tools..."
    cd /tmp
    
    # Download SDK tools
    if ! wget -q https://dl.google.com/android/repository/commandlinetools-linux-11076708_latest.zip 2>/dev/null; then
        echo "Error: Could not download Android SDK tools"
        echo "Manual download required:"
        echo "1. Visit: https://developer.android.com/studio/command-line"
        echo "2. Download 'Command line tools' for Linux"
        echo "3. Extract to: $SDK_HOME/cmdline-tools/latest"
        echo "4. Run: sdkmanager --update"
        exit 1
    fi
    
    echo "✓ Downloaded"
    
    echo "Extracting..."
    unzip -q commandlinetools-linux-11076708_latest.zip
    mkdir -p "$SDK_HOME/cmdline-tools/latest"
    mv cmdline-tools/* "$SDK_HOME/cmdline-tools/latest/"
    rm -f commandlinetools-linux-11076708_latest.zip
    
    echo "✓ Extracted"
fi

# Update SDK tools
echo ""
echo "Updating Android SDK components..."
export ANDROID_HOME="$SDK_HOME"
export PATH="$ANDROID_HOME/cmdline-tools/latest/bin:$PATH"

echo "yes" | sdkmanager --update 2>/dev/null || echo "⚠ Update check skipped"

# Install required packages
echo "Installing required SDK components..."
echo "yes" | sdkmanager \
    "platform-tools" \
    "platforms;android-34" \
    "build-tools;34.0.0" \
    2>/dev/null || echo "⚠ Some packages already installed"

echo ""
echo "✓ Setup complete!"
echo ""
echo "To build SCAR Chat APK:"
echo "  export ANDROID_HOME=$SDK_HOME"
echo "  cd android_client"
echo "  ./gradlew build"
echo ""
echo "Add to ~/.bashrc or ~/.zshrc to persist:"
echo "  export ANDROID_HOME=$SDK_HOME"