#!/usr/bin/env python3
"""
Simple ASR test script - test a few video files with detailed logging.
"""

import os
import sys
import time
import json
import subprocess
import signal
from pathlib import Path


def run_asr_on_video(video_path, output_path, timeout_sec=600):
    """Run ASR processor with timeout and resource monitoring."""
    script_path = Path(__file__).parent / "scripts" / "asr_processor.py"
    cmd = [sys.executable, str(script_path), str(video_path), str(output_path)]

    print(f"  Command: {' '.join(cmd)}")
    print(f"  Timeout: {timeout_sec}s")

    start_time = time.time()

    try:
        # Start process with process group for clean termination
        proc = subprocess.Popen(
            cmd,
            stdout=subprocess.PIPE,
            stderr=subprocess.PIPE,
            text=True,
            preexec_fn=os.setsid,
            bufsize=1,
            universal_newlines=True,
        )

        # Read stderr in real-time to see progress
        def read_stream(stream, prefix):
            for line in iter(stream.readline, ""):
                print(f"{prefix}{line.rstrip()}")
                sys.stdout.flush()

        # Start reading stderr in background
        import threading

        stderr_thread = threading.Thread(
            target=read_stream, args=(proc.stderr, "  [stderr] ")
        )
        stderr_thread.daemon = True
        stderr_thread.start()

        # Wait for process completion with timeout
        try:
            returncode = proc.wait(timeout=timeout_sec)
            duration = time.time() - start_time

            # Get any remaining output
            stdout, _ = proc.communicate()
            if stdout:
                print(f"  [stdout] {stdout.strip()}")

            print(f"  Process exited with code {returncode} after {duration:.1f}s")

            if returncode == 0:
                # Verify output file
                if os.path.exists(output_path):
                    with open(output_path, "r") as f:
                        result = json.load(f)
                    segments = len(result.get("segments", []))
                    language = result.get("language", "unknown")
                    print(f"  Success: {segments} segments, language: {language}")
                    return True, duration, segments
                else:
                    print(f"  Error: Output file not created: {output_path}")
                    return False, duration, 0
            else:
                print(f"  Error: Process failed with exit code {returncode}")
                return False, duration, 0

        except subprocess.TimeoutExpired:
            duration = time.time() - start_time
            print(f"  ERROR: Process timed out after {duration:.1f}s")

            # Kill entire process group
            try:
                os.killpg(os.getpgid(proc.pid), signal.SIGKILL)
            except:
                pass

            proc.wait(timeout=5)
            return False, duration, 0

    except Exception as e:
        print(f"  Exception: {e}")
        import traceback

        traceback.print_exc()
        return False, time.time() - start_time, 0


def main():
    video_dir = "../test_video"
    test_dir = Path("test_output_simple")
    test_dir.mkdir(exist_ok=True)

    # Select a few test files (small to medium)
    video_files = []
    for f in Path(video_dir).iterdir():
        if f.suffix.lower() in [".mp4", ".mov", ".avi", ".mkv"]:
            video_files.append(f)

    # Sort by size and take first 3
    video_files.sort(key=lambda p: p.stat().st_size)
    selected = video_files[:3]

    print(f"Testing {len(selected)} video files (sorted by size):")
    for vf in selected:
        print(f"  - {vf.name}: {vf.stat().st_size / 1024 / 1024:.1f} MB")

    results = []
    for i, video in enumerate(selected, 1):
        print(f"\n{'=' * 60}")
        print(f"Test {i}/{len(selected)}: {video.name}")
        print(f"{'=' * 60}")

        output_file = test_dir / f"{video.stem}.asr.json"

        success, duration, segments = run_asr_on_video(
            video, output_file, timeout_sec=300
        )

        results.append(
            {
                "video": video.name,
                "size_mb": video.stat().st_size / 1024 / 1024,
                "success": success,
                "duration": duration,
                "segments": segments,
                "output_file": str(output_file),
            }
        )

        # Small delay between tests
        if i < len(selected):
            print("  Waiting 5 seconds before next test...")
            time.sleep(5)

    # Summary
    print(f"\n{'=' * 60}")
    print("SUMMARY")
    print(f"{'=' * 60}")

    for r in results:
        status = "✓" if r["success"] else "✗"
        print(f"{status} {r['video']}: {r['duration']:.1f}s, {r['segments']} segments")

    success_count = sum(1 for r in results if r["success"])
    print(f"\nSuccess rate: {success_count}/{len(results)}")

    # Save results
    with open(test_dir / "test_results.json", "w") as f:
        json.dump(results, f, indent=2)

    print(f"\nDetailed results saved to: {test_dir}/test_results.json")


if __name__ == "__main__":
    main()