#!/bin/sh
echo "===== Entrypoint: Starting at $(date) ====="
echo "Entrypoint: Current user: $(id)"
echo "Entrypoint: Environment variables:"
env

echo "Entrypoint: Verifying directories exist"
mkdir -p /app /model /tmp/Ultralytics /snapshots || { echo "Error: Failed to create directories"; exit 1; }
chown appuser:appuser /app /model /tmp/Ultralytics /snapshots || { echo "Error: Failed to chown directories"; exit 1; }
chmod 777 /app /model /tmp/Ultralytics /snapshots || { echo "Error: Failed to chmod directories"; exit 1; }
echo "Entrypoint: Directory permissions:"
ls -ld /app /model /tmp/Ultralytics /snapshots

echo "Entrypoint: Copying yolov8n.pt to /app"
if [ -f /model/yolov8n.pt ]; then
    cp /model/yolov8n.pt /app/yolov8n.pt || { echo "Error: Failed to copy yolov8n.pt"; exit 1; }
    chown appuser:appuser /app/yolov8n.pt
    chmod 644 /app/yolov8n.pt
else
    echo "Error: /model/yolov8n.pt not found. Build may have failed."
    exit 1
fi

echo "Entrypoint: Copying app.py to /app (in case Hugging Face mount overwrites it)"
if [ -f /source/app.py ]; then
    cp /source/app.py /app/app.py || { echo "Error: Failed to copy app.py"; exit 1; }
    chown appuser:appuser /app/app.py
    chmod 644 /app/app.py
else
    echo "Error: /source/app.py not found. Build may have failed."
    exit 1
fi

echo "Entrypoint: Setting working directory to /app"
cd /app || { echo "Error: Failed to change directory to /app"; exit 1; }

echo "Entrypoint: Current working directory: $(pwd)"
echo "Entrypoint: Contents of /app:"
ls -l /app || echo "Error: Failed to list /app contents"

echo "Entrypoint: Verifying yolov8n.pt exists in /app"
if [ ! -f /app/yolov8n.pt ]; then
    echo "Error: yolov8n.pt not found in /app after copy. Directory contents:"
    ls -l /app
    exit 1
fi

echo "Entrypoint: Verifying app.py exists in /app"
if [ ! -f /app/app.py ]; then
    echo "Error: app.py not found in /app after copy. Directory contents:"
    ls -l /app
    exit 1
fi

echo "Entrypoint: Contents of /home/user/app (Hugging Face mount point):"
ls -l /home/user/app || echo "Directory /home/user/app does not exist"

echo "Entrypoint: Contents of /source (persistent storage):"
ls -l /source || echo "Directory /source does not exist"

echo "Entrypoint: Launching application"
exec python /app/app.py