#!/usr/bin/env bash
# Start AzerothCore authserver + worldserver in named tmux sessions.
# Kills any already-running sessions first (acts as a restart).
#
# Usage:
#   bash scripts/start-azeroth-servers.sh
#   AZEROTH_BIN=/path/to/bin bash scripts/start-azeroth-servers.sh
#
# Environment:
#   AZEROTH_BIN      — directory with authserver and worldserver (default: /home/fractured-panel/azeroth-server/bin)
#   AZEROTH_LOG_DIR  — log directory (default: <parent of bin>/logs)
#
# tmux sessions:
#   authserver   — authserver console
#   worldserver  — worldserver console

set -euo pipefail

BIN_DIR="${AZEROTH_BIN:-/home/fractured-panel/azeroth-server/bin}"
BASE_DIR="$(cd "$(dirname "$BIN_DIR")" && pwd)"
LOG_DIR="${AZEROTH_LOG_DIR:-${BASE_DIR}/logs}"
CONF_DIR="${BASE_DIR}/etc"

AUTH_BIN="${BIN_DIR}/authserver"
WORLD_BIN="${BIN_DIR}/worldserver"

AUTH_SESSION="authserver"
WORLD_SESSION="worldserver"

if ! command -v tmux &>/dev/null; then
  echo "error: tmux is not installed" >&2
  exit 1
fi

if [[ ! -x "$AUTH_BIN" ]]; then
  echo "error: not found or not executable: $AUTH_BIN" >&2
  exit 1
fi
if [[ ! -x "$WORLD_BIN" ]]; then
  echo "error: not found or not executable: $WORLD_BIN" >&2
  exit 1
fi

mkdir -p "$LOG_DIR"

# Tear down existing sessions (ignore errors if they don't exist)
tmux kill-session -t "$AUTH_SESSION" 2>/dev/null || true
tmux kill-session -t "$WORLD_SESSION" 2>/dev/null || true

# Also kill any stray processes not managed by tmux
pkill -x authserver 2>/dev/null || true
pkill -x worldserver 2>/dev/null || true
sleep 1

# Launch authserver in a tmux session
tmux new-session -d -s "$AUTH_SESSION" -c "$BIN_DIR" \
  "$AUTH_BIN -c ${CONF_DIR}/authserver.conf 2>&1 | tee -a ${LOG_DIR}/authserver.log"

sleep 2

# Launch worldserver in a tmux session
tmux new-session -d -s "$WORLD_SESSION" -c "$BIN_DIR" \
  "$WORLD_BIN -c ${CONF_DIR}/worldserver.conf 2>&1 | tee -a ${LOG_DIR}/worldserver.log"

echo "Started servers in tmux sessions."
echo "  tmux attach -t $AUTH_SESSION    — authserver console"
echo "  tmux attach -t $WORLD_SESSION   — worldserver console"
echo "Bin:    $BIN_DIR"
echo "Config: $CONF_DIR"
echo "Logs:   $LOG_DIR/authserver.log"
echo "        $LOG_DIR/worldserver.log"