#!/usr/bin/env bash
set -euo pipefail

echo "=================================================="
echo "Docker / Server usage report"
echo "Generated: $(date)"
echo "=================================================="

echo
echo "=== Disk usage ==="
df -h

echo
echo "=== Memory usage ==="
free -h || true

echo
echo "=== Docker system df ==="
docker system df || true

echo
echo "=== Running containers ==="
docker stats --no-stream || true

echo
echo "=== Container sizes ==="
docker ps -s || true

echo
echo "=== Images ==="
docker images || true

echo
echo "=== Workspace sizes ==="
du -sh /opt/appfactory/workspace/* 2>/dev/null | sort -h || true

echo
echo "=== Data sizes ==="
du -sh /opt/appfactory/data/* 2>/dev/null | sort -h || true

echo
echo "=== Largest workspaces ==="
du -sm /opt/appfactory/workspace/* 2>/dev/null \
    | sort -nr \
    | head -10 \
    | awk '{printf "%5d MB  %s\n",$1,$2}' || true

echo
echo "=== Largest data directories ==="
du -sm /opt/appfactory/data/* 2>/dev/null \
    | sort -nr \
    | head -10 \
    | awk '{printf "%5d MB  %s\n",$1,$2}' || true

echo
echo "=== Docker builder cache ==="
docker builder prune --dry-run 2>/dev/null || \
echo "Builder cache information not available."

echo
echo "=================================================="
echo "Report finished successfully."
echo "=================================================="