#!/bin/bash

# Application Analysis and Download Script
# Downloads source code and analyzes application requirements for Cloudron packaging

set -e

WORKSPACE="/home/localuser/TSYSDevStack/Cloudron/CloudronPackages-Workspace"
GIT_URL_LIST="/home/localuser/TSYSDevStack/Cloudron/GitUrlList.txt"

# Function to analyze application type and requirements
analyze_application() {
    local app_dir="$1"
    local app_name="$2"
    
    echo "🔍 Analyzing $app_name..."
    
    cd "$app_dir"
    
    # Detect application type
    if [ -f "go.mod" ]; then
        echo "  ✅ Go application detected"
        echo "  📦 Go version: $(grep -E '^go [0-9]' go.mod | cut -d' ' -f2)"
        echo "  🔗 Module: $(grep '^module ' go.mod | cut -d' ' -f2)"
        
        # Look for main.go or cmd directory
        if [ -f "main.go" ]; then
            echo "  🎯 Entry point: main.go"
        elif [ -d "cmd" ]; then
            echo "  🎯 Entry point: cmd/ directory"
            find cmd -name "main.go" -type f | head -3 | sed 's/^/    📁 /'
        fi
        
        # Check for Dockerfile
        if [ -f "Dockerfile" ]; then
            echo "  🐳 Original Dockerfile found"
            head -5 Dockerfile | sed 's/^/    /'
        fi
        
    elif [ -f "package.json" ]; then
        echo "  ✅ Node.js application detected"
        echo "  📦 Package name: $(grep -E '"name":' package.json | cut -d'"' -f4)"
        echo "  🚀 Scripts: $(grep -E '"start":|"dev":' package.json | tr '\n' ' ')"
        
        # Check for build tools
        if grep -q "webpack\|vite\|rollup" package.json; then
            echo "  🔨 Build tools detected"
        fi
        
    elif [ -f "requirements.txt" ] || [ -f "setup.py" ] || [ -f "pyproject.toml" ]; then
        echo "  ✅ Python application detected"
        
        if [ -f "requirements.txt" ]; then
            echo "  📦 Dependencies: $(wc -l < requirements.txt) packages"
        fi
        
    elif [ -f "pom.xml" ] || [ -f "build.gradle" ]; then
        echo "  ✅ Java application detected"
        
        if [ -f "pom.xml" ]; then
            echo "  📦 Maven project"
            grep -E '<groupId>|<artifactId>|<version>' pom.xml | head -3 | sed 's/^/    /'
        fi
        
    elif [ -f "Cargo.toml" ]; then
        echo "  ✅ Rust application detected"
        grep -E '^\[package\]' -A 5 Cargo.toml | sed 's/^/    /'
        
    else
        echo "  ❓ Unknown application type"
        echo "  📁 Key files:"
        ls -la | head -10 | sed 's/^/    /'
    fi
    
    echo ""
}

# Function to download and analyze one application
process_application() {
    local line_number="$1"
    local git_url="$2"
    
    # Extract app name from URL
    local app_name=$(basename "$git_url" | sed 's/.git$//')
    local app_dir="$WORKSPACE/$app_name"
    
    echo "📥 Processing $line_number: $app_name from $git_url"
    
    # Skip if already downloaded (like goalert)
    if [ -d "$app_dir" ] && [ "$(find "$app_dir" -maxdepth 1 -type f ! -path "*/app/*" | wc -l)" -gt 5 ]; then
        echo "⏭️  Already downloaded, analyzing..."
        analyze_application "$app_dir" "$app_name"
        return
    fi
    
    # Download the repository
    echo "📥 Downloading $app_name..."
    if ! git clone "$git_url" "$app_dir" 2>/dev/null; then
        echo "❌ Failed to clone $git_url"
        return
    fi
    
    echo "✅ Downloaded $app_name"
    
    # Analyze the application
    analyze_application "$app_dir" "$app_name"
}

# Main execution
echo "🚀 Starting application analysis and download..."
echo "📁 Workspace: $WORKSPACE"
echo "📋 URL list: $GIT_URL_LIST"
echo ""

# Process first 10 applications to establish pattern
echo "🎯 Processing first 10 applications to establish pattern..."
echo ""

head -10 "$GIT_URL_LIST" | while IFS= read -r git_url; do
    line_number=$((10#$(grep -n "$git_url" "$GIT_URL_LIST" | cut -d: -f1)))
    process_application "$line_number" "$git_url"
done

echo "🎉 First batch analysis complete!"
echo "📊 Summary: Analyzed application types and requirements"
echo ""