import os
import subprocess

CONFIG = {
    "MODEL_PATH": "static/yolov8_safety.pt",
    "FALLBACK_MODEL": "static/yolov8n.pt",
    "VIOLATION_LABELS": {
        0: "no_helmet",
        1: "no_harness",
        2: "unsafe_posture",
        3: "unsafe_zone",
        4: "improper_tool_use"
    },
    "CLASS_COLORS": {
        "no_helmet": (0, 0, 255),
        "no_harness": (0, 165, 255),
        "unsafe_posture": (0, 255, 0),
        "unsafe_zone": (255, 0, 0),
        "improper_tool_use": (255, 255, 0)
    },
    "DISPLAY_NAMES": {
        "no_helmet": "No Helmet Violation",
        "no_harness": "No Harness Violation",
        "unsafe_posture": "Unsafe Posture",
        "unsafe_zone": "Unsafe Zone Entry",
        "improper_tool_use": "Improper Tool Use"
    },
    "PUBLIC_URL_BASE": "https://huggingface.co/spaces/neerajkalyank/AI_Safety_Demo3/resolve/main/static/output/",
    "CONFIDENCE_THRESHOLDS": {
        "no_helmet": 0.4,
        "no_harness": 0.25,
        "unsafe_posture": 0.25,
        "unsafe_zone": 0.25,
        "improper_tool_use": 0.25
    },
    "MIN_VIOLATION_FRAMES": 1,
    "VIOLATION_COOLDOWN": 30.0,
    "WORKER_TRACKING_DURATION": 5.0,
    "MAX_PROCESSING_TIME": 60,
    "FRAME_SKIP": 1,
    "BATCH_SIZE": 4,
    "TRACK_BUFFER": 150,
    "TRACK_THRESH": 0.3,
    "MATCH_THRESH": 0.5,
    "SNAPSHOT_QUALITY": 95,
    "MAX_WORKER_DISTANCE": 150,
    "TARGET_RESOLUTION": (384, 384)
}

def check_ffmpeg():
    try:
        subprocess.run(["ffmpeg", "-version"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, check=True)
        return True
    except (subprocess.CalledProcessError, FileNotFoundError):
        return False