#!/usr/bin/env bash
# bin/up — bring up the whole yt-music-dl stack from the workspace ROOT.
# Ctrl-C stops everything cleanly. Mirrors ../dispatch/bin/up.
#
# The FRONTEND is the single user-facing entry point (plain HTTP), reachable
# over Tailscale at http://arch-razer:24304 (or http://localhost:24304). It
# proxies /api, /ws, /health to the backend — one origin, no CORS.
#
#   backend  (yt-music-dl-backend)  bun --watch  → http://127.0.0.1:24303  (localhost only)
#   frontend (yt-music-dl-web)      vite         → http://0.0.0.0:24304    (HMR, Tailscale)
#
# Run:  bin/up

set -uo pipefail

HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"   # <root>/bin
ROOT="$(cd "$HERE/.." && pwd)"                          # workspace root
BACKEND="$ROOT/yt-music-dl-backend"
FRONTEND="$ROOT/yt-music-dl-web"

if [ ! -d "$BACKEND" ]; then
	echo "up: backend repo not found at $BACKEND" >&2
	exit 1
fi

cleanup() {
	echo
	echo "[up] stopping backend${HAVE_FRONTEND:+ + frontend}…"
	[ -n "${BACK_PG:-}" ]  && kill -TERM "-$BACK_PG"  2>/dev/null
	[ -n "${FRONT_PG:-}" ] && kill -TERM "-$FRONT_PG" 2>/dev/null
	sleep 1
	[ -n "${BACK_PG:-}" ]  && kill -KILL "-$BACK_PG"  2>/dev/null
	[ -n "${FRONT_PG:-}" ] && kill -KILL "-$FRONT_PG" 2>/dev/null
	echo "[up] stopped."
	return 0
}
trap cleanup EXIT
trap 'exit 130' INT TERM

HAVE_FRONTEND=""
[ -d "$FRONTEND" ] && HAVE_FRONTEND="1"

echo "[up] backend  → http://127.0.0.1:24303   [bun --watch — localhost only]"
if [ -n "$HAVE_FRONTEND" ]; then
	echo "[up] frontend → http://localhost:24304    [vite HMR]"
	echo "[up]            http://arch-razer:24304      [over Tailscale]"
else
	echo "[up] frontend → (skipped — $FRONTEND not found)"
fi
echo "[up] Ctrl-C to stop."
echo

# Backend: localhost only (the Vite proxy is the only public entry point).
setsid bash -c "cd '$BACKEND' && exec bun --watch packages/host-bin/src/main.ts" \
	> >(sed -u 's/^/[backend]  /') 2>&1 &
BACK_PG=$!

if [ -n "$HAVE_FRONTEND" ]; then
	setsid bash -c "cd '$FRONTEND' && exec bun run dev" \
		> >(sed -u 's/^/[frontend] /') 2>&1 &
	FRONT_PG=$!
fi

wait