#!/usr/bin/env python3
"""Check PyTorch state and start fresh build on BC-250."""
import paramiko
import time

ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect('192.168.178.150', username='fabian', key_filename=r'C:\Users\fabia\.ssh\id_ed25519')

def run(cmd, timeout=120, desc=""):
    if desc:
        print(f"\n{'='*60}")
        print(f"  {desc}")
        print(f"{'='*60}")
    print(f"$ {cmd}")
    _, stdout, stderr = ssh.exec_command(cmd, timeout=timeout)
    out = stdout.read().decode()
    err = stderr.read().decode()
    rc = stdout.channel.recv_exit_status()
    if out.strip():
        lines = out.strip().split('\n')
        if len(lines) > 60:
            print(f"  ... ({len(lines)} lines, showing last 60)")
            print('\n'.join(lines[-60:]))
        else:
            print(out.strip())
    if err.strip():
        lines = err.strip().split('\n')
        show = lines[-20:] if len(lines) > 20 else lines
        print(f"STDERR: {chr(10).join(show)}")
    print(f"  Exit code: {rc}")
    return rc, out, err

# Check if there's a wheel already built
run("ls -lh ~/pytorch/dist/*.whl 2>/dev/null || echo 'No wheels found'",
    desc="Check for existing PyTorch wheels")

# Check for any previous build directory
run("ls -la ~/pytorch/build/ 2>/dev/null | head -10 || echo 'No build dir'",
    desc="Check build directory")

# Check if pytorch is already installed in venv
run("bash -c 'source ~/comfyui-env/bin/activate && python3 -c \"import torch; print(torch.__version__); print(torch.version.hip); print(torch.cuda.is_available())\" 2>&1'",
    desc="Check if PyTorch is already installed")

# Check pytorch source integrity
run("ls ~/pytorch/setup.py ~/pytorch/CMakeLists.txt 2>&1",
    desc="Verify PyTorch source files")

# Verify ROCm works before build
run("bash -c 'export HSA_OVERRIDE_GFX_VERSION=10.1.0 && /opt/rocm/bin/rocminfo 2>&1 | grep -E \"gfx|Marketing\" | head -5'",
    desc="Verify ROCm is working")

# Check venv
run("bash -c 'source ~/comfyui-env/bin/activate && which python3 && python3 --version'",
    desc="Verify venv")

ssh.close()
print("\nDone checking state.")