#!/usr/bin/env python3
# Copyright Advanced Micro Devices, Inc.
# SPDX-License-Identifier: MIT

"""
Sanity check script for CI runners.

On Linux:
  - run "amd-smi static"
  - run "rocminfo"

On Windows:
  - run "hipInfo.exe"

This script prints only raw command output.
"""

import os
from pathlib import Path
import platform
import shlex
import shutil
import subprocess
import sys
from typing import List, Optional


def log(*args, **kwargs):
    print(*args, **kwargs)
    sys.stdout.flush()


def run_command(args: List[str | Path], cwd: Optional[Path] = None) -> None:
    args = [str(arg) for arg in args]
    if cwd is None:
        cwd = Path.cwd()

    log(f"++ Exec [{cwd}]$ {shlex.join(args)}")

    try:
        proc = subprocess.run(
            args,
            cwd=str(cwd),
            stdout=subprocess.PIPE,
            stderr=subprocess.STDOUT,
            text=True,
            check=False,
            stdin=subprocess.DEVNULL,
        )
        log(proc.stdout.rstrip())
    except FileNotFoundError:
        log(f"{args[0]}: command not found")


def run_command_with_search(
    label: str,
    command: str,
    args: List[str],
    extra_command_search_paths: List[Path],
) -> None:
    """
    Run a command, searching in extra paths first, then PATH.

    Example:
        run_command_with_search(
            label="amd-smi static",
            command="amd-smi",
            args=["static"],
            extra_command_search_paths=[bin_dir],
        )
    """
    # Try explicit directories first (e.g. THEROCK_DIR/build/bin)
    for base in extra_command_search_paths:
        candidate = base / command
        if candidate.exists():
            log(f"\n=== {label} ===")
            run_command([candidate] + args)
            return

    # Then fall back to PATH
    resolved = shutil.which(command)
    if resolved:
        log(f"\n=== {label} ===")
        run_command([resolved] + args)
        return

    # Nothing found
    log(f"\n=== {label} ===")
    log(f"{command}: command not found")


def run_sanity(os_name: str) -> None:
    THIS_SCRIPT_DIR = Path(__file__).resolve().parent
    THEROCK_DIR = THIS_SCRIPT_DIR.parent
    bin_dir = Path(os.getenv("THEROCK_BIN_DIR", THEROCK_DIR / "build" / "bin"))

    log("=== Sanity check: driver / GPU info ===")

    if os_name.lower() == "windows":
        # Windows: only hipInfo.exe
        run_command_with_search(
            label="hipInfo.exe",
            command="hipInfo.exe",
            args=[],
            extra_command_search_paths=[bin_dir],
        )
    else:
        # Linux: amd-smi static + rocminfo
        run_command_with_search(
            label="amd-smi static",
            command="amd-smi",
            args=["static"],
            extra_command_search_paths=[bin_dir],
        )
        run_command_with_search(
            label="rocminfo",
            command="rocminfo",
            args=[],
            extra_command_search_paths=[bin_dir],
        )
        run_command_with_search(
            label="Kernel version",
            command="uname",
            args=["-r"],
            extra_command_search_paths=[bin_dir],
        )

    log("\n=== End of sanity check ===")


def main(argv: Optional[List[str]] = None) -> int:
    detected = platform.system()
    run_sanity(detected)
    return 0


if __name__ == "__main__":
    sys.exit(main())