#!/bin/bash
# CI Validate: 安全扫描（validate-security）
# 包含：密钥扫描、bandit 安全扫描（仅告警）、pip-audit 依赖漏洞（仅告警）、CI 脚本语法校验
set -eu

echo "=== CI Validate: 安全扫描 ==="

# --- 密钥检测 ---
echo ""
echo "=== [1/4] Secret detection (detect-secrets) ==="
python3 -m pip install -q --no-cache-dir detect-secrets || {
  echo "⚠️  detect-secrets install failed, retrying without cache..."
  python3 -m pip install -q --no-cache-dir --no-binary :all: detect-secrets || {
    echo "❌ detect-secrets install failed after retry"
    exit 1
  }
}
detect-secrets --version

detect-secrets scan \
  --all-files \
  --exclude-files '(^|/)(tests|test|e2e|__tests__|spec|docs|node_modules|site-packages|migrations|alembic|.gitea|.git|.pytest_cache|.next|dist|build)/' \
  --exclude-files '\.(md|rst|txt|lock|example|sample|min\.js|min\.css|spec\.ts|test\.ts|test\.py)$' \
  --exclude-files '(package-lock|yarn\.lock|poetry\.lock|Pipfile\.lock)$' \
  --disable-plugin Base64HighEntropyString \
  --disable-plugin HexHighEntropyString \
  --disable-plugin BasicAuthDetector \
  --disable-plugin KeywordDetector \
  --disable-plugin IPPublicDetector \
  > /tmp/secrets-scan.json 2>&1

FOUND=$(python3 -c "
import json
try:
    with open('/tmp/secrets-scan.json') as f:
        data = json.load(f)
    results = data.get('results', {})
    total = sum(len(v) for v in results.values())
    print(total)
except Exception:
    print('error')
")

echo "Secrets detected: $FOUND"
if [ "$FOUND" != "0" ] && [ "$FOUND" != "error" ]; then
  echo ""
  echo "=== Secret details ==="
  python3 -c "
import json
with open('/tmp/secrets-scan.json') as f:
    data = json.load(f)
for fpath, items in data.get('results', {}).items():
    for item in items:
        line = item.get('line_number', '?')
        stype = item.get('type', '?')
        hashed = item.get('hashed_secret', '')[:16]
        print(f'  {fpath}:{line} [{stype}] {hashed}...')
"
  echo ""
  echo "ERROR: Potential secrets detected in code!"
  exit 1
fi
echo "✅ Secret scan passed"

# --- Bandit 安全扫描（仅告警）---
echo ""
echo "=== [2/4] Security scan (bandit, advisory only) ==="
set +e
bandit -r apps packages -q -ll
BANDIT_EXIT=$?
set -e
if [ "$BANDIT_EXIT" -ne 0 ]; then
  echo "⚠️  Bandit found security issues (advisory mode - not blocking CI)"
else
  echo "✅ Bandit security scan passed"
fi

# --- Pip-audit 依赖漏洞扫描（仅告警）---
echo ""
echo "=== [3/4] Python dependency vulnerability scan (pip-audit, advisory only) ==="
python3 -m pip install -q --no-cache-dir pip-audit || {
  echo "⚠️  pip-audit install failed (cache issue?), retrying..."
  python3 -m pip install -q --no-cache-dir pip-audit || {
    echo "⚠️  pip-audit unavailable, skipping dependency vulnerability scan (advisory)"
    pip-audit --version 2>/dev/null || true
  }
}
if command -v pip-audit >/dev/null 2>&1 || python3 -m pip show pip-audit >/dev/null 2>&1; then
  pip-audit --version
  EXIT_CODE=0
  for req_file in requirements.txt requirements-base.txt requirements-dev.txt; do
    if [ -f "$req_file" ]; then
      echo "--- Scanning $req_file ---"
      pip-audit -r "$req_file" --desc on 2>&1 | head -40 || EXIT_CODE=$?
      echo ""
    fi
  done
  echo "pip-audit scan completed (advisory mode - warnings only, not blocking CI)"
else
  echo "⚠️  pip-audit not available, skipping dependency vulnerability scan (advisory)"
fi

# --- CI脚本语法校验 ---
echo ""
echo "=== [4/4] CI & shell scripts syntax validation ==="
SYNTAX_ERROR=0
# 检查所有 CI shell 脚本
for script in scripts/ci/*.sh; do
  if [ -f "$script" ]; then
    if ! bash -n "$script" 2>&1; then
      echo "❌ 语法错误: $script"
      SYNTAX_ERROR=1
    fi
  fi
done
# 检查所有 CI Python 脚本语法
for script in scripts/ci/*.py; do
  if [ -f "$script" ]; then
    if ! python3 -m py_compile "$script" 2>&1; then
      echo "❌ Python语法错误: $script"
      SYNTAX_ERROR=1
    fi
  fi
done
# 检查 .gitea/workflows 下的脚本（如果有）
for script in .gitea/workflows/*.sh; do
  if [ -f "$script" ]; then
    if ! bash -n "$script" 2>&1; then
      echo "❌ 语法错误: $script"
      SYNTAX_ERROR=1
    fi
  fi
done
if [ "$SYNTAX_ERROR" -ne 0 ]; then
  echo "❌ CI脚本语法校验失败，见上方错误"
  exit 1
fi
echo "✅ All CI scripts syntax OK"

echo ""
echo "=== CI Validate: 安全扫描 全部通过 ✅ ==="