#!/usr/bin/env bash
#
# sanitycheck.sh <file.mp4>
#
# Returns: "OK" if file looks good, "Not OK" otherwise.

file="$1"

if [ -z "$file" ]; then
  echo "Usage: $0 <file.mp4>"
  exit 2
fi

if [ ! -f "$file" ]; then
  echo "Not OK (file not found)"
  exit 1
fi

# --- Test 1: metadata sanity check ---
ffprobe -v error -select_streams v:0 -show_entries stream=width,height,duration \
  -of csv=p=0 "$file" > /dev/null 2>&1
probe_status=$?

# --- Test 2: deep read/decode ---
ffmpeg -v error -xerror -i "$file" -f null - -nostats > /dev/null 2>&1
decode_status=$?

if [ $probe_status -eq 0 ] && [ $decode_status -eq 0 ]; then
  echo "OK"
  exit 0
else
  echo "Not OK"
  exit 1
fi