#!/bin/bash
# StreamCore - Start the backend.
#
# MediaMTX, the transcoders and the HLS tree are managed by the backend itself:
# it starts the media origin at boot, supervises ffmpeg, and restarts either if it
# dies. This script only has to bring up the process that owns all of that.
set -e

BASE="$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)"

export LS_HLS_RUNTIME_DIR="${LS_HLS_RUNTIME_DIR:-$BASE/runtime/hls}"
export LS_REPLAY_MEDIA_DIR="${LS_REPLAY_MEDIA_DIR:-$BASE/runtime/replay}"
mkdir -p "$LS_HLS_RUNTIME_DIR" "$LS_REPLAY_MEDIA_DIR" "$BASE/runtime/logs"

HOST="${LS_HOST:-0.0.0.0}"
PORT="${LS_PORT:-8080}"

cd "$BASE/backend"
PY="$BASE/backend/venv/bin/python"
[ -x "$PY" ] || PY="$BASE/backend/.venv/bin/python"
[ -x "$PY" ] || PY="python"

echo "[StreamCore] Starting backend on ${HOST}:${PORT}..."
echo "[StreamCore] MediaMTX, transcoders and HLS are supervised by the backend."
exec "$PY" -m uvicorn main:app --host "$HOST" --port "$PORT"