# for import needed
import sys
from pathlib import Path

sys.path.append(str(Path(__file__).resolve().parent.parent))

from utils import run
### Normal Imports:

def probe_video(path: Path) -> tuple[float, float, str, float]:
    """
    Get video FPS, duration, codec, and stream start time.

    Args:
        path: To Video File

    Returns:
        fps, duration, codec, start_time
    """
    import json
    cmd = [
        "ffprobe",
        "-v", "error",
        "-print_format", "json",
        "-show_streams",
        "-show_format",
        path
    ]
    data = json.loads(run(cmd).stdout)

    duration = float(data["format"]["duration"])
    for s in data["streams"]:
        if s["codec_type"] == "video":
            num, den = s["r_frame_rate"].split("/")
            fps = float(num) / float(den)
            codec = s["codec_name"]
            start_time = float(s.get("start_time", 0))
            return fps, duration, codec, start_time

    raise RuntimeError("No video stream found")