#!/usr/bin/env bash
# Start all three Quarkus modules in dev mode.
# Uses tmux (one window per module) if available; falls back to background processes.
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
LOG_DIR="$PROJECT_ROOT/.logs"
PID_DIR="$PROJECT_ROOT/.pids"

GREEN='\033[0;32m'; YELLOW='\033[1;33m'; NC='\033[0m'
info() { echo -e "${GREEN}[apix]${NC} $*"; }
warn() { echo -e "${YELLOW}[warn]${NC} $*"; }

mkdir -p "$LOG_DIR" "$PID_DIR"
cd "$PROJECT_ROOT"

# Require PostgreSQL
if ! docker ps --format '{{.Names}}' | grep -qx apix-postgres; then
  echo "PostgreSQL container is not running."
  echo "Run: ./scripts/setup-dev.sh"
  read -rp "Press Enter to close…" _
  exit 1
fi

# ── tmux mode ────────────────────────────────────────────────────────────────
if command -v tmux &>/dev/null; then
  SESSION=apix-dev

  if tmux has-session -t "$SESSION" 2>/dev/null; then
    warn "tmux session '$SESSION' already exists."
    echo "  Attach:  tmux attach -t $SESSION"
    echo "  Restart: ./scripts/restart.sh"
    exit 0
  fi

  tmux new-session  -d -s "$SESSION" -x 220 -y 50 -n registry
  tmux send-keys -t "$SESSION:registry" \
    "cd '$PROJECT_ROOT' && mvn quarkus:dev -pl apix-registry" Enter

  tmux new-window -t "$SESSION" -n portal
  tmux send-keys -t "$SESSION:portal" \
    "cd '$PROJECT_ROOT' && mvn quarkus:dev -pl apix-portal" Enter

  tmux new-window -t "$SESSION" -n spider
  tmux send-keys -t "$SESSION:spider" \
    "cd '$PROJECT_ROOT' && mvn quarkus:dev -pl apix-spider" Enter

  tmux select-window -t "$SESSION:registry"

  echo ""
  echo -e "${GREEN}Started in tmux session '${SESSION}'${NC}"
  echo "  Switch windows:  Ctrl-b 0 / 1 / 2"
  echo "  Detach:          Ctrl-b d"
  echo ""
  echo "  Registry API  →  http://localhost:8180"
  echo "  Portal        →  http://localhost:8081"
  echo ""
  tmux attach -t "$SESSION"
  exit 0
fi

# ── Background mode (no tmux) ─────────────────────────────────────────────────
warn "tmux not found — starting modules in background with log files."

_start() {
  local module="$1" port="$2"
  local pidfile="$PID_DIR/${module}.pid"
  local logfile="$LOG_DIR/${module}.log"

  if [[ -f "$pidfile" ]] && kill -0 "$(cat "$pidfile")" 2>/dev/null; then
    info "$module already running (PID $(cat "$pidfile"))"
    return
  fi

  info "Starting $module → http://localhost:${port}"
  MAVEN_OPTS="-XX:TieredStopAtLevel=1" \
    mvn quarkus:dev -pl "$module" >"$logfile" 2>&1 &
  echo $! >"$pidfile"
}

_start apix-registry 8180
_start apix-portal   8081
_start apix-spider   8082

echo ""
echo -e "${GREEN}All modules started${NC}"
echo "  Logs:  ./scripts/logs.sh [registry|portal|spider|all]"
echo "  Stop:  ./scripts/stop.sh"
echo ""
echo "  Registry API  →  http://localhost:8180"
echo "  Portal        →  http://localhost:8081"
echo ""
read -rp "Press Enter to close…" _