#!/bin/bash

# Path to the gradle.properties file
GRADLE_PROPERTIES="android/gradle.properties"

if [ ! -f "$GRADLE_PROPERTIES" ]; then
    echo "Error: gradle.properties not found at $GRADLE_PROPERTIES"
    exit 1
fi

# Get system specifications
TOTAL_MEM_BYTES=$(sysctl -n hw.memsize)
HALF_MEM_MB=$(( TOTAL_MEM_BYTES / 2 / 1024 / 1024 ))
EIGHTH_MEM_MB=$(( TOTAL_MEM_BYTES / 8 / 1024 / 1024 ))
CPU_CORES=$(sysctl -n hw.ncpu)
WORKERS_MAX=$(( CPU_CORES * 3 / 4 ))
if [ $WORKERS_MAX -lt 1 ]; then WORKERS_MAX=1; fi

# Desired property values
JVM_ARGS="-Xmx${HALF_MEM_MB}m -XX:MaxMetaspaceSize=${EIGHTH_MEM_MB}m"
PARALLEL="true"

echo "Optimizing Android Gradle Properties for faster builds..."
echo " - CPU Cores count: $CPU_CORES (Using $WORKERS_MAX for 75%)"
echo " - Memory (Half RAM): ${HALF_MEM_MB}MB"
echo " - Metaspace (1/8 RAM): ${EIGHTH_MEM_MB}MB"

# Remove existing properties so we don't have duplicates
sed -i '' '/^org\.gradle\.jvmargs/d' "$GRADLE_PROPERTIES"
sed -i '' '/^org\.gradle\.parallel/d' "$GRADLE_PROPERTIES"
sed -i '' '/^org\.gradle\.workers\.max/d' "$GRADLE_PROPERTIES"

# Append optimized properties at the end of the file
echo "org.gradle.jvmargs=$JVM_ARGS" >> "$GRADLE_PROPERTIES"
echo "org.gradle.parallel=$PARALLEL" >> "$GRADLE_PROPERTIES"
echo "org.gradle.workers.max=$WORKERS_MAX" >> "$GRADLE_PROPERTIES"

echo "Success: gradle.properties optimized!"

chmod +x scripts/optimize-gradle.sh
./scripts/optimize-gradle.sh

brew install ccache
ccache --set-config=max_size=20G

#!/bin/bash

echo "==========================================="
echo "  Checking ccache (Compiler Cache) Status  "
echo "==========================================="

if command -v ccache &> /dev/null; then
    echo "✅ ccache is already installed."
else
    echo "⚠️ ccache is not installed. Installing via Homebrew..."
    if command -v brew &> /dev/null; then
        brew install ccache
        if [ $? -eq 0 ]; then
            echo "✅ ccache successfully installed."
        else
            echo "❌ Failed to install ccache. Please install it manually: brew install ccache"
            exit 1
        fi
    else
        echo "❌ Homebrew is not installed. Cannot automatically install ccache."
        echo "Please install Homebrew (https://brew.sh) or install ccache manually."
        exit 1
    fi
fi

# Configure ccache for React Native Android builds
ccache --set-config=max_size=20G
echo "✅ ccache max size configured to 20G."

# Show current stats
echo ""
echo "Current ccache stats:"
ccache -s

echo "==========================================="
echo "  ccache is ready for React Native Builds  "
echo "==========================================="

ccache -s

#!/bin/bash

# Configuration
BUILD_TYPE=${1:-"release"} # Default to release if no argument is provided
START_TIME=$(date +%s)

echo "==========================================="
echo "  React Native Android Build Benchmarking  "
echo "==========================================="
echo "Build Type: assemble$BUILD_TYPE"
echo ""

# Step 1: Clean Metro Bundler Cache
echo "🧹 [1/5] Clearing Metro Bundler Cache..."
rm -rf $TMPDIR/metro-*
rm -rf $TMPDIR/haste-map-*
echo " -> Metro cache cleared."

# Step 2: Clean Gradle Cache
echo "🧹 [2/5] Clearing Gradle Daemon & Cache..."
cd android || exit
./gradlew --stop > /dev/null 2>&1
rm -rf .gradle
rm -rf app/build
./gradlew clean > /dev/null 2>&1
cd ..
echo " -> Gradle cache cleared."

# Step 3: Clean Watchman Cache (if installed)
if command -v watchman &> /dev/null; then
    echo "🧹 [3/5] Watchman found. Clearing Watchman cache..."
    watchman watch-del-all > /dev/null 2>&1
    echo " -> Watchman cache cleared."
else
    echo "⏩ [3/5] Watchman not installed. Skipping..."
fi

echo ""
echo "🚀 [4/5] Proceeding with Build..."
echo "Starting Gradle Build with --profile..."

# Step 5: Execute build with profiling enabled
cd android || exit
# Using --profile to generate an HTML report of the build process
./gradlew assemble$BUILD_TYPE --profile

# Calculate total time
END_TIME=$(date +%s)
DURATION=$((END_TIME - START_TIME))
MINUTES=$((DURATION / 60))
SECONDS=$((DURATION % 60))

echo ""
echo "==========================================="
echo "                RESULTS                    "
echo "==========================================="
echo "⏱️  Total Benchmarking Time: ${MINUTES}m ${SECONDS}s"
echo "📊 A detailed Gradle profiling report is available at:"
echo "   android/build/reports/profile/"
echo "   (Open the latest .html file in a browser to see where the time was spent)"
echo "==========================================="
cd ..

chmod +x scripts/benchmark-build.sh
./scripts/benchmark-build.sh        # Uses default release
./scripts/benchmark-build.sh debug  # Benchmark debug build

# 1. Create scripts directory and copy the scripts from this guide
mkdir -p scripts

# 2. Setup ccache (run once)
chmod +x scripts/setup-ccache.sh
./scripts/setup-ccache.sh

# 3. Optimize Gradle (run once or after fresh clone)
chmod +x scripts/optimize-gradle.sh
./scripts/optimize-gradle.sh

# 4. Update metro.config.js for Metro optimization
# Add dynamic worker allocation (see Section 2)

# 5. Add active architecture flag to package.json
# Add "--active-arch-only" to your dev script (see Section 4)

# 6. Build with benchmarking
chmod +x scripts/benchmark-build.sh
./scripts/benchmark-build.sh