#!/usr/bin/env bash

set -Eeuo pipefail

ROOT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)"
API_PID=""
SECRETARY_PID=""
WEB_PID=""

die() {
  echo "[dev-local] $*" >&2
  exit 1
}

require_command() {
  command -v "$1" >/dev/null 2>&1 || die "'$1' command not found"
}

ensure_port_free() {
  local port="$1"
  if lsof -nP -iTCP:"$port" -sTCP:LISTEN >/dev/null 2>&1; then
    echo "[dev-local] port $port is already in use:" >&2
    lsof -nP -iTCP:"$port" -sTCP:LISTEN >&2 || true
    die "stop the process using port $port, then rerun the local server"
  fi
}

wait_for_url() {
  local name="$1"
  local url="$2"
  local attempts=90

  echo "[dev-local] waiting for $name..."
  for ((attempt = 1; attempt <= attempts; attempt++)); do
    if curl -fsS --max-time 2 "$url" >/dev/null 2>&1; then
      echo "[dev-local] $name is ready"
      return 0
    fi
    sleep 1
  done

  die "$name did not respond at $url within ${attempts}s"
}

cleanup() {
  local status=$?
  trap - EXIT INT TERM

  for pid in "$WEB_PID" "$SECRETARY_PID" "$API_PID"; do
    if [[ -n "$pid" ]] && kill -0 "$pid" 2>/dev/null; then
      kill "$pid" 2>/dev/null || true
    fi
  done

  wait 2>/dev/null || true
  exit "$status"
}

require_command curl
require_command lsof
require_command pnpm

[[ -x "$ROOT_DIR/apps/secretary-api/.venv/bin/uvicorn" ]] || \
  die "Secretary API virtualenv is missing: apps/secretary-api/.venv/bin/uvicorn"

ensure_port_free 3100
ensure_port_free 4000
ensure_port_free 8010

trap cleanup EXIT INT TERM

(
  cd "$ROOT_DIR/apps/api"
  APP_ADDRESS=127.0.0.1 pnpm dev
) &
API_PID=$!

(
  cd "$ROOT_DIR/apps/secretary-api"
  ./.venv/bin/uvicorn app.main:app --reload --host 127.0.0.1 --port 8010
) &
SECRETARY_PID=$!

(
  cd "$ROOT_DIR/apps/web"
  pnpm dev --hostname 127.0.0.1 --port 3100
) &
WEB_PID=$!

wait_for_url "API" "http://127.0.0.1:4000/api/health"
wait_for_url "Secretary API" "http://127.0.0.1:8010/api/health"
wait_for_url "Web" "http://127.0.0.1:3100/"

echo "[dev-local] all local servers are ready"
echo "API: http://127.0.0.1:4000"
echo "Secretary API: http://127.0.0.1:8010"
echo "Web: http://127.0.0.1:3100"
echo "Press Ctrl-C to stop all development servers."

wait -n "$API_PID" "$SECRETARY_PID" "$WEB_PID"