start

#!/usr/bin/env bash
# 奇點世界 — Rust 版一鍵啟動：閘門 → 建置後端 → 建置 Hex 編輯器 → 啟動。
# 用法：./start
# 需已安裝 trunk（cargo install trunk），供 /hex-editor 靜態資源；若無 trunk 會中止並提示。

set -e
cd "$(dirname "$0")"
SW_DIR="$(pwd)"
PORT=1721
DATABASE_URL="${DATABASE_URL:-postgres://postgres:singularity@localhost:5432/singularity}"

# 1) 偵測環境與服務
HAS_SYSTEMD=false
if systemctl --user list-unit-files singularity.service &>/dev/null; then
  HAS_SYSTEMD=true
fi

# 2) 嚴格閘門（Rust 版：clippy → test → checkrooms）
echo "--- [1/3] 品質檢查 (Clippy) ---"
cargo clippy -- -D warnings
echo "--- [2/3] 邏輯測試 (Test) ---"
cargo test
echo "--- [3/3] 房間契約 (Checkrooms) ---"
cargo run --bin checkrooms -- -brackets -strict

# 3) 建置奇點（Rust release）
echo "--- 建置執行檔 (Release) ---"
# cargo incremental 有時抓不到 dirty 檔，強制戳 mtime 保險
# 2026-04-20 教訓：handler.rs 明明改了，cargo 判無改動跳過重編，跑的還是舊 binary 的死鎖 bug
if [[ -n "$(git status --porcelain src 2>/dev/null)" ]]; then
  find src -name '*.rs' -exec touch {} +
fi
cargo build --release
CARGO_OUT="${CARGO_TARGET_DIR:-target}/release/singularity_world"
if [[ ! -f "$CARGO_OUT" ]]; then
  for candidate in "$HOME/target_ram/release/singularity_world" "target/release/singularity_world"; do
    if [[ -f "$candidate" ]]; then CARGO_OUT="$candidate"; break; fi
  done
fi
mkdir -p bin
install -m 755 "$CARGO_OUT" bin/server-rust

# 4) 重啟服務（兩種路徑都須先釋放 PORT，否則舊的 nohup／殘留行程會讓新實例 bind 失敗）
free_port() {
  local pids
  pids=$(lsof -ti :"$PORT" 2>/dev/null) || true
  if [[ -n "$pids" ]]; then
    echo "--- 釋放埠 :$PORT（PID: $pids）---"
    kill $pids 2>/dev/null || true
    sleep 1
    pids=$(lsof -ti :"$PORT" 2>/dev/null) || true
    [[ -n "$pids" ]] && kill -9 $pids 2>/dev/null || true
    sleep 1
  fi
}

if [ "$HAS_SYSTEMD" = true ]; then
  echo "--- 透過 systemd 重啟服務 ---"
  systemctl --user stop singularity.service 2>/dev/null || true
  sleep 1
  free_port
  systemctl --user set-environment DATABASE_URL="$DATABASE_URL"
  systemctl --user start singularity.service
  sleep 1
  systemctl --user status singularity.service | head -n 5
else
  echo "--- 手動重啟 (nohup) ---"
  free_port
  
  if [[ -f "$SW_DIR/.env" ]]; then
    set -a; source "$SW_DIR/.env"; set +a
  fi
  
  nohup env PORT=$PORT DATABASE_URL="$DATABASE_URL" ./bin/server-rust >> sw.log 2>&1 &
  sleep 2
  echo "已啟動。log：$SW_DIR/sw.log"
fi