#!/usr/bin/env bash
# Pubblica un pattern colorato su RTMP per testare il player web (senza telefono).
# Uso:
#   SESSION_ID=fe09a29f-79db-44d5-864f-397942c0a2c5 ./scripts/test/rtmp_test_pattern.sh
#   RTMP_URL=rtmp://www.matchlivetv.it:1935/live/match_UUID ./scripts/test/rtmp_test_pattern.sh
set -euo pipefail

ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
OUT_DIR="${TMPDIR:-/tmp}/matchlivetv-test"
PATTERN="$OUT_DIR/test_pattern.mp4"
DURATION="${DURATION_SEC:-0}" # 0 = loop infinito

if [[ -z "${RTMP_URL:-}" ]]; then
  if [[ -z "${SESSION_ID:-}" ]]; then
    echo "Imposta SESSION_ID o RTMP_URL"
    exit 1
  fi
  RTMP_URL="rtmp://www.matchlivetv.it:1935/live/match_${SESSION_ID}"
fi

mkdir -p "$OUT_DIR"

if [[ ! -f "$PATTERN" ]]; then
  echo "Genero video di test $PATTERN ..."
  ffmpeg -y -hide_banner -loglevel warning \
    -f lavfi -i "testsrc2=size=1280x720:rate=30" \
    -f lavfi -i "sine=frequency=880:sample_rate=48000" \
    -t 30 \
    -c:v libx264 -pix_fmt yuv420p -profile:v baseline -level 3.1 -g 30 -keyint_min 30 \
    -c:a aac -b:a 128k -ac 1 \
    "$PATTERN"
fi

echo "Pubblico su $RTMP_URL (Ctrl+C per fermare)"
ARGS=(-re -stream_loop -1 -i "$PATTERN" -c copy -f flv "$RTMP_URL")
if [[ "$DURATION" != "0" ]]; then
  ARGS=(-re -t "$DURATION" -i "$PATTERN" -c copy -f flv "$RTMP_URL")
fi

exec ffmpeg -hide_banner "${ARGS[@]}"