#!/bin/bash

# Smart Gradle Build Wrapper
# Reduces semantic noise and provides clear error reporting

set -e

PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$PROJECT_ROOT"

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Function to print colored output
print_status() {
    echo -e "${GREEN}[INFO]${NC} $1"
}

print_warning() {
    echo -e "${YELLOW}[WARN]${NC} $1"
}

print_error() {
    echo -e "${RED}[ERROR]${NC} $1"
}

# Pre-build checks
check_prerequisites() {
    print_status "Checking prerequisites..."

    # Check if Java is available
    if ! command -v java &> /dev/null; then
        print_error "Java is not installed or not in PATH"
        exit 1
    fi

    # Check Android SDK
    if [ -z "$ANDROID_HOME" ]; then
        print_warning "ANDROID_HOME not set, using default detection"
    fi
}

# Clean build artifacts
clean_build() {
    print_status "Cleaning previous build artifacts..."
    ./gradlew clean --quiet --console=plain
}

# Run build with reduced verbosity
run_build() {
    print_status "Starting Gradle build..."

    # Capture build output
    if ./gradlew build --quiet --console=plain --parallel 2>&1 | tee build.log; then
        print_status "Build completed successfully!"
        return 0
    else
        print_error "Build failed!"
        return 1
    fi
}

# Analyze build results
analyze_results() {
    if [ -f "build.log" ]; then
        # Extract key error information
        errors=$(grep -c "ERROR" build.log || true)
        warnings=$(grep -c "WARNING" build.log || true)

        if [ "$errors" -gt 0 ]; then
            print_error "Found $errors errors in build log"
            echo "Top errors:"
            grep "ERROR" build.log | head -5
        fi

        if [ "$warnings" -gt 0 ]; then
            print_warning "Found $warnings warnings in build log"
        fi

        # Check for specific common issues
        if grep -q "Unresolved reference" build.log; then
            print_error "Found unresolved references - check imports and dependencies"
        fi

        if grep -q "MissingTranslation" build.log; then
            print_error "Found missing translations - check string resources"
        fi
    fi
}

# Main execution
main() {
    echo "========================================"
    echo "  HomeboxLens Smart Build System"
    echo "========================================"

    check_prerequisites
    clean_build

    if run_build; then
        analyze_results
        print_status "Build successful!"
        exit 0
    else
        analyze_results
        print_error "Build failed. Check build.log for details."
        exit 1
    fi
}

# Run main function
main "$@"