#!/bin/bash
# Test RAM calculation and display fixes

echo "🧪 Testing RAM Display Fixes"
echo "============================"
echo ""

echo "Current system RAM detection:"
ram_gb=$(free -g | awk '/^Mem:/{print $2}')
ram_mb=$(free -m | awk '/^Mem:/{print $2}')

echo "  free -g result: ${ram_gb}GB"
echo "  free -m result: ${ram_mb}MB"
echo ""

echo "Testing the enhanced logic:"

# Simulate the fixed logic
if [[ $ram_gb -eq 0 && $ram_mb -gt 0 ]]; then
    echo "  Detected edge case: free -g returned 0"
    ram_gb_fixed=$((ram_mb / 1024))
    [[ $ram_gb_fixed -eq 0 ]] && ram_gb_fixed=1
    echo "  Fixed ram_gb: ${ram_gb_fixed}GB (calculated from ${ram_mb}MB)"
else
    ram_gb_fixed=$ram_gb
    echo "  Normal case: ram_gb = ${ram_gb_fixed}GB"
fi

echo ""

# Test percentage calculation
total_mb=12800
echo "Testing percentage calculation with ${total_mb}MB tmpfs:"

if [[ $ram_gb_fixed -gt 0 ]]; then
    ram_percent=$(( (total_mb * 100) / (ram_gb_fixed * 1024) ))
    echo "  Result: ${total_mb}MB is ${ram_percent}% of ${ram_gb_fixed}GB RAM ✅"
else
    echo "  Error: Still would cause division by zero ❌"
fi

echo ""
echo "Display output test:"
echo "   📊 Total tmpfs allocation: ${total_mb}MB (${ram_percent}% of ${ram_gb_fixed}GB RAM)"
echo "   ⚡ Combined benefit: Optimized memory management for your ${ram_gb_fixed}GB system"

echo ""
echo "✅ Fixed issues:"
echo "  1. No more '0% of GB RAM' display"
echo "  2. No more 'GB system' without number"
echo "  3. Proper fallback from MB to GB calculation"
echo "  4. Minimum 1GB display for edge cases"