#!/bin/bash

# ServerManager Pro - Production Build for Linux & Windows
# Version: 2.0.0

set -e

# Colors
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
BLUE='\033[0;34m'
NC='\033[0m'

APP_NAME="ServerManager Pro"
VERSION=$(node -p "require('./package.json').version")

echo -e "${BLUE}=== $APP_NAME - Production Build ===${NC}"
echo -e "${GREEN}Version: $VERSION${NC}"
echo "======================================"

print_status() { echo -e "${BLUE}[$(date +%H:%M:%S)]${NC} $1"; }
print_success() { echo -e "${GREEN}✅ $1${NC}"; }
print_warning() { echo -e "${YELLOW}⚠️ $1${NC}"; }
print_error() { echo -e "${RED}❌ $1${NC}"; }

# Check environment
check_environment() {
    print_status "Checking environment..."
    
    if [ ! -f "package.json" ]; then
        print_error "package.json not found. Run from project root."
        exit 1
    fi
    
    if ! command -v node >/dev/null; then
        print_error "Node.js not installed"
        exit 1
    fi
    
    print_success "Environment check passed"
}

# Clean builds
clean_builds() {
    print_status "Cleaning previous builds..."
    rm -rf build dist
    print_success "Clean completed"
}

# Install dependencies
install_deps() {
    print_status "Installing dependencies..."
    
    if [ ! -d "node_modules" ]; then
        npm install
    else
        npm install
    fi
    
    print_success "Dependencies installed"
}

# Build React app
build_react() {
    print_status "Building React application..."
    npm run build
    
    if [ ! -d "build" ]; then
        print_error "React build failed"
        exit 1
    fi
    
    print_success "React app built"
}

# Create icon if missing
create_icon() {
    if [ ! -f "public/icon.png" ]; then
        print_status "Creating application icon..."
        
        if command -v convert >/dev/null; then
            convert -size 512x512 gradient:blue-darkblue -pointsize 100 -fill white -gravity center -annotate +0+0 "SM" public/icon.png
            print_success "Icon created"
        else
            print_warning "ImageMagick not available - using default icon"
        fi
    fi
}

# Build Linux package
build_linux() {
    print_status "Building Linux package (.deb)..."
    
    npx electron-builder --linux deb
    
    if ls dist/*.deb >/dev/null 2>&1; then
        DEB_FILE=$(ls dist/*.deb | head -1)
        print_success "Linux package: $(basename $DEB_FILE) ($(du -h $DEB_FILE | cut -f1))"
        return 0
    else
        print_error "Linux package build failed"
        return 1
    fi
}

# Build Windows package
build_windows() {
    print_status "Building Windows package (.exe)..."
    
    npx electron-builder --win
    
    if ls dist/*.exe >/dev/null 2>&1; then
        EXE_FILE=$(ls dist/*.exe | head -1)
        print_success "Windows package: $(basename $EXE_FILE) ($(du -h $EXE_FILE | cut -f1))"
        return 0
    else
        print_error "Windows package build failed"
        return 1
    fi
}

# Generate report
generate_report() {
    echo ""
    echo -e "${GREEN}=== BUILD COMPLETE ===${NC}"
    echo "Version: $VERSION"
    echo "Build date: $(date)"
    echo ""
    
    echo -e "${BLUE}Generated Packages:${NC}"
    
    # Linux packages
    if ls dist/*.deb >/dev/null 2>&1; then
        echo -e "  🐧 Linux (.deb):"
        ls dist/*.deb | while read file; do
            echo "     📦 $(basename $file) ($(du -h "$file" | cut -f1))"
        done
    else
        echo -e "  🐧 Linux: ❌ Not built"
    fi
    
    # Windows packages  
    if ls dist/*.exe >/dev/null 2>&1; then
        echo -e "  🪟 Windows (.exe):"
        ls dist/*.exe | while read file; do
            echo "     📦 $(basename $file) ($(du -h "$file" | cut -f1))"
        done
    else
        echo -e "  🪟 Windows: ❌ Not built"
    fi
    
    echo ""
    echo -e "${GREEN}Installation Instructions:${NC}"
    echo "  Linux:   sudo dpkg -i dist/*.deb"
    echo "  Windows: Run the .exe file as Administrator"
    echo ""
    echo -e "${YELLOW}Next Steps:${NC}"
    echo "  • Test the application on both platforms"
    echo "  • Use IT"
}

# Main build process
main() {
    local platform=${1:-all}
    
    case $platform in
        "linux")
            check_environment
            clean_builds
            install_deps
            create_icon
            build_react
            build_linux
            ;;
        "windows")
            check_environment
            clean_builds
            install_deps
            create_icon
            build_react
            build_windows
            ;;
        "all"|*)
            check_environment
            clean_builds
            install_deps
            create_icon
            build_react
            build_linux
            build_windows
            ;;
    esac
    
    generate_report
}

main "$@"