#!/usr/bin/env bash
# scripts/test.sh —— 合并到默认分支（main / master）前的测试闸门。
# 顺序：detect → setup-db → build → lint → unit+integration → e2e → reset-db
# 由 .githooks/pre-push 和 test-gate skill（通过子会话）调用。

set -euo pipefail

PROJECT_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
cd "$PROJECT_ROOT"

# 让 .env.local 注入 JAVA_HOME / DB_* / JWT_SECRET 等运行期变量
# 由 .githooks/pre-push 触发本脚本时也能拿到
ENV_FILE="${PROJECT_ROOT}/.env.local"
if [ -f "$ENV_FILE" ]; then
  set -a; . "$ENV_FILE"; set +a
fi
if [ -n "${JAVA_HOME:-}" ] && [ -d "$JAVA_HOME" ]; then
  export PATH="$JAVA_HOME/bin:$PATH"
fi
if [ -n "${EXTRA_PATH:-}" ]; then
  export PATH="$EXTRA_PATH:$PATH"
fi

# Stack detection: tracked content only — untracked WIP must not gate pushes
HAS_BACKEND=0; [ -d backend ] && [ -n "$(git ls-files -- backend 2>/dev/null)" ] && HAS_BACKEND=1
HAS_FRONTEND=0; [ -d frontend ] && [ -n "$(git ls-files -- frontend 2>/dev/null)" ] && HAS_FRONTEND=1
if [ $HAS_BACKEND -eq 0 ] && [ $HAS_FRONTEND -eq 0 ]; then
  echo "[test.sh] FATAL: neither backend/ nor frontend/ exists" >&2
  exit 1
fi

echo "[test.sh] 1/6 setup test db"
./scripts/setup-test-db.sh

echo "[test.sh] 2/6 build"
if [ $HAS_BACKEND -eq 1 ]; then (cd backend && mvn -B clean package -DskipTests); else echo "[test.sh] skip backend build"; fi
if [ $HAS_FRONTEND -eq 1 ]; then (cd frontend && npm run build); else echo "[test.sh] skip frontend build"; fi

echo "[test.sh] 3/6 lint"
if [ $HAS_BACKEND -eq 1 ]; then (cd backend && mvn -B compile); else echo "[test.sh] skip backend lint"; fi
if [ $HAS_FRONTEND -eq 1 ]; then (cd frontend && npm run lint); else echo "[test.sh] skip frontend lint"; fi

echo "[test.sh] 4/6 unit + integration"
if [ $HAS_BACKEND -eq 1 ]; then (cd backend && mvn -B test); else echo "[test.sh] skip backend test"; fi
if [ $HAS_FRONTEND -eq 0 ]; then
  echo "[test.sh] skip frontend test"
elif node -e "process.exit(require('./frontend/package.json').scripts?.test?0:1)" >/dev/null 2>&1; then
  (cd frontend && npm test -- --run)
else
  echo "[test.sh] skip frontend test (no 'test' script in frontend/package.json)"
fi

echo "[test.sh] 5/6 E2E"
echo "[test.sh] e2e 略"

echo "[test.sh] 6/6 reset test db"
./scripts/setup-test-db.sh

echo "[test.sh] GREEN"