#!/bin/bash

# Quick Renovate JSON Validator
# Simple validation that doesn't require Renovate installation

echo "🔍 Quick Renovate Configuration Check"
echo "====================================="

# Check if renovate.json exists
if [ ! -f "renovate.json" ]; then
    echo "❌ renovate.json not found in current directory"
    exit 1
fi

echo "✓ Found renovate.json"

# Validate JSON syntax with Node.js (should be available)
if command -v node &> /dev/null; then
    echo ""
    echo "🔧 Validating JSON syntax..."

    if node -e "
    try {
        const config = JSON.parse(require('fs').readFileSync('renovate.json', 'utf8'));
        console.log('✓ JSON syntax is valid');
        console.log('✓ Configuration has', Object.keys(config).length, 'top-level properties');

        // Check for required/recommended fields
        if (config.extends) {
            console.log('✓ Base configuration extends:', config.extends);
        }
        if (config.schedule) {
            console.log('✓ Update schedule configured');
        }
        if (config.packageRules) {
            console.log('✓ Package rules defined:', config.packageRules.length, 'rules');
        }

    } catch(e) {
        console.error('❌ JSON syntax error:', e.message);
        process.exit(1);
    }"; then
        echo "✓ JSON validation passed"
    else
        echo "❌ JSON validation failed"
        exit 1
    fi
else
    echo "⚠️ Node.js not available, skipping JSON validation"
fi

# Check for supported package files
echo ""
echo "📋 Checking for supported package managers..."

PACKAGE_FILES_FOUND=0

# Python (uv/pip)
if [ -f "backend/pyproject.toml" ]; then
    echo "✓ Python: backend/pyproject.toml"
    PACKAGE_FILES_FOUND=$((PACKAGE_FILES_FOUND + 1))
fi

# Node.js (npm/yarn)
if [ -f "frontend/package.json" ]; then
    echo "✓ Node.js: frontend/package.json"
    PACKAGE_FILES_FOUND=$((PACKAGE_FILES_FOUND + 1))

    # Check for yarn.lock
    if [ -f "frontend/yarn.lock" ]; then
        echo "  └─ Yarn PnP detected (yarn.lock present)"
    fi
fi

# Docker
DOCKERFILE_COUNT=$(find . -name "Dockerfile*" -type f | wc -l)
if [ $DOCKERFILE_COUNT -gt 0 ]; then
    echo "✓ Docker: $DOCKERFILE_COUNT Dockerfile(s) found"
    find . -name "Dockerfile*" -type f | head -3 | sed 's|^./|  └─ |'
    if [ $DOCKERFILE_COUNT -gt 3 ]; then
        echo "  └─ ... and $((DOCKERFILE_COUNT - 3)) more"
    fi
    PACKAGE_FILES_FOUND=$((PACKAGE_FILES_FOUND + 1))
fi

# GitHub Actions / Gitea Actions
WORKFLOW_COUNT=$(find .gitea/workflows -name "*.yml" -o -name "*.yaml" 2>/dev/null | wc -l)
if [ $WORKFLOW_COUNT -gt 0 ]; then
    echo "✓ Gitea Actions: $WORKFLOW_COUNT workflow(s) found"
fi

if [ $PACKAGE_FILES_FOUND -eq 0 ]; then
    echo "⚠️  No supported package files found"
    echo "   Renovate looks for: pyproject.toml, package.json, Dockerfile, etc."
else
    echo "✓ Found $PACKAGE_FILES_FOUND package manager types to monitor"
fi

echo ""
echo "🚀 Status: Basic configuration validation complete!"
echo ""
echo "📋 Next steps:"
echo "   1. Add RENOVATE_TOKEN secret to your Gitea repository"
echo "   2. Enable .gitea/workflows/renovate.yml workflow"
echo "   3. Test with manual workflow trigger (dry-run mode)"
echo ""
echo "📚 For full validation, see: docs/RENOVATE_SETUP_GUIDE.md"
echo ""
echo "✅ Quick validation complete!"