#!/bin/bash
set -e

echo "=== Linear Void Playout Service Starting ==="
echo "Playlist path: $PLAYLIST_PATH"
echo "HLS segment duration: ${HLS_SEGMENT_DURATION:-6}s"

# Ensure playlist exists or create a demo one
if [ ! -f "$PLAYLIST_PATH" ]; then
  echo "Warning: Playlist not found at $PLAYLIST_PATH. Creating demo playlist."
  cat > "$PLAYLIST_PATH" << EOF
file '/app/media/demo1.mp4'
file '/app/media/demo2.mp4'
EOF
fi

# Run FFmpeg in a loop for continuous playback
while true; do
  echo "[$(date)] Starting FFmpeg playout..."
  ffmpeg -re -f concat -safe 0 -i "$PLAYLIST_PATH" \
    -c:v copy -c:a copy \
    -f hls \
    -hls_time ${HLS_SEGMENT_DURATION:-6} \
    -hls_list_size ${HLS_WINDOW_SIZE:-24} \
    -hls_flags delete_segments+append_list \
    -hls_segment_filename "/app/hls/segment_%03d.ts" \
    "/app/hls/playlist.m3u8" || echo "FFmpeg exited with error. Restarting in 5s..."

  echo "Playout loop crashed or ended. Restarting in 5 seconds..."
  sleep 5
done