#!/usr/bin/env bash
set -euo pipefail

cmd="${1:-dev}"

if [[ ! -f ".env" ]]; then
  if [[ -f ".env.example" ]]; then
    cp .env.example .env
    echo "Created .env from .env.example. Please edit it (FIRMWARE_API_KEY, ADMIN_TOKEN)." >&2
  else
    echo "Missing .env (and .env.example)." >&2
  fi
fi

if [[ -f ".env" ]]; then
  # Load .env without overriding already-exported vars.
  # Intentionally skip FIRMWARE_API_KEY (should come from shell env).
  while IFS= read -r line || [[ -n "$line" ]]; do
    [[ -z "$line" ]] && continue
    [[ "$line" =~ ^[[:space:]]*# ]] && continue
    if [[ "$line" =~ ^[[:space:]]*([A-Za-z_][A-Za-z0-9_]*)=(.*)$ ]]; then
      key="${BASH_REMATCH[1]}"
      val="${BASH_REMATCH[2]}"

      if [[ "$key" == "FIRMWARE_API_KEY" ]]; then
        continue
      fi

      # Strip optional surrounding quotes
      if [[ "$val" =~ ^\"(.*)\"$ ]]; then
        val="${BASH_REMATCH[1]}"
      elif [[ "$val" =~ ^\'(.*)\'$ ]]; then
        val="${BASH_REMATCH[1]}"
      fi

      if [[ -z "${!key:-}" ]]; then
        export "$key=$val"
      fi
    fi
  done < .env
fi

if [[ -z "${FIRMWARE_API_KEY:-}" ]]; then
  echo "FIRMWARE_API_KEY must be exported in your shell." >&2
  echo "Example: export FIRMWARE_API_KEY=..." >&2
  exit 1
fi

if [[ ! -d "node_modules" ]]; then
  npm install
fi

case "$cmd" in
  build)
    echo "Building web..." >&2
    npm -w web run build
    ;;
  dev)
    echo "Starting dev (web + server)..." >&2
    echo "Web:  http://localhost:5173" >&2
    echo "API:  http://localhost:${PORT:-8787}" >&2
    echo "Admin: add header x-admin-token: \$ADMIN_TOKEN" >&2
    npm run dev
    ;;
  server)
    echo "Starting server only..." >&2
    echo "Binding: http://${HOST:-0.0.0.0}:${PORT:-8787}" >&2
    npm -w server run start
    ;;
  web)
    echo "Starting web only..." >&2
    npm -w web run dev
    ;;
  *)
    echo "Usage: ./run.sh [dev|server|web|build]" >&2
    exit 2
    ;;
esac