#!/usr/bin/env bash
# Start encode-once + fanout-copy (two-stage pipeline from v0).
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
# shellcheck disable=SC1091
source "${ROOT}/lib/common.sh"

SRC_ARG="${1:-1}"
PID_ENCODE="${RUN_DIR}/encode.pid"
PID_FANOUT="${RUN_DIR}/fanout.pid"
LOG_RUN="${STORAGE_DIR}/run.log"

ensure_storage
mkdir -p "${RUN_DIR}"

if [[ -f "${PID_ENCODE}" ]] && kill -0 "$(cat "${PID_ENCODE}")" 2>/dev/null; then
  die "pipeline already running (encode pid $(cat "${PID_ENCODE}")). use bin/stop.sh first"
fi

chmod +x "${ROOT}/bin/"*.sh 2>/dev/null || true

# shellcheck disable=SC1091
source "${ROOT}/lib/outputs.sh"
read_sinks

log "starting pipeline source=${SRC_ARG}"
nohup "${ROOT}/bin/encode-once.sh" "${SRC_ARG}" >> "${LOG_RUN}" 2>&1 &
echo $! > "${PID_ENCODE}"
sleep 1

if [[ ${#SINKS[@]} -gt 0 ]]; then
  nohup "${ROOT}/bin/fanout-copy.sh" >> "${LOG_RUN}" 2>&1 &
  echo $! > "${PID_FANOUT}"
  log "fanout pid $(cat "${PID_FANOUT}")"
else
  log "no RTMP sinks configured — fanout stage skipped"
  rm -f "${PID_FANOUT}" 2>/dev/null || true
fi

log "encode pid $(cat "${PID_ENCODE}")"
log "logs: ${LOG_RUN}, ${STORAGE_DIR}/encode.log, ${STORAGE_DIR}/fanout.log"