#!/usr/bin/env bash
# Run the backend and the Vite dev server together.
#
#   ./scripts/dev.sh
#
# The Go server runs in the background; the Vite dev server runs in the
# foreground. Ctrl-C stops both. Vite proxies /api to the Go server, so the
# browser sees one origin and sessions behave exactly as in production.
set -euo pipefail

cd "$(dirname "$0")/.."

# A local preview instance, so this works on a fresh clone without touching
# your real media or your real database.
export VELLUM_DATA_DIR="${VELLUM_DATA_DIR:-$PWD/demo/data}"
export VELLUM_CONFIG_DIR="${VELLUM_CONFIG_DIR:-$PWD/demo/config}"
export VELLUM_LISTEN="${VELLUM_LISTEN:-127.0.0.1:7788}"
export VELLUM_ADMIN_USER="${VELLUM_ADMIN_USER:-admin}"
export VELLUM_ADMIN_PASSWORD="${VELLUM_ADMIN_PASSWORD:-vellumdemo}"
export VELLUM_LOG_LEVEL="${VELLUM_LOG_LEVEL:-info}"

if ! command -v go >/dev/null 2>&1; then
  export PATH="$PATH:/usr/lib/golang/bin"
fi

echo "building backend..."
CGO_ENABLED=0 go build -trimpath -o vellum ./cmd/vellum

echo "starting backend on ${VELLUM_LISTEN}"
./vellum &
BACKEND=$!

cleanup() {
  echo
  echo "stopping backend..."
  kill "$BACKEND" 2>/dev/null || true
  wait "$BACKEND" 2>/dev/null || true
}
trap cleanup EXIT INT TERM

# Wait for the API to answer before handing over to Vite, so the first page
# load does not race the backend's startup.
for _ in $(seq 1 50); do
  if curl -fsS -m 1 "http://${VELLUM_LISTEN#*:}/healthz" >/dev/null 2>&1; then
    break
  fi
  if ! kill -0 "$BACKEND" 2>/dev/null; then
    echo "backend exited during startup" >&2
    exit 1
  fi
  sleep 0.1
done

echo
echo "backend:  http://${VELLUM_LISTEN}   (${VELLUM_ADMIN_USER} / ${VELLUM_ADMIN_PASSWORD})"
echo "frontend: http://localhost:5173"
echo

cd web
pnpm install --silent
pnpm dev