#!/bin/bash
set -e
echo "[Exocore] Checking Python runtime..."

PYTHON=""
for cmd in python3 python python3.12 python3.11 python3.10; do
  if which "$cmd" > /dev/null 2>&1; then
    # Test if it actually runs (some nix builds can be broken)
    if "$cmd" -c "print('ok')" > /dev/null 2>&1; then
      PYTHON=$(which "$cmd")
      break
    fi
  fi
done

if [ -z "$PYTHON" ]; then
  echo "[Exocore] Python not found. Trying nix-env install..."
  nix-env -iA nixpkgs.python311 2>/dev/null || nix-env -iA nixpkgs.python3 2>/dev/null || true
  for cmd in python3.11 python3 python; do
    if which "$cmd" > /dev/null 2>&1; then
      if "$cmd" -c "print('ok')" > /dev/null 2>&1; then
        PYTHON=$(which "$cmd")
        break
      fi
    fi
  done
fi

if [ -z "$PYTHON" ]; then
  echo "[Exocore] WARNING: Python not available in this environment."
  echo "[Exocore] The project files are ready. Install Python to run: python3 app.py"
else
  echo "[Exocore] Python detected: $($PYTHON --version 2>&1)"
fi

echo "[Exocore] Done! Run: python3 app.py"