#!/bin/bash
# mypy增量扫描脚本 - CI中调用
# 环境变量: SCAN_MODE, CHANGED_PY_FILES

set -e

echo "=== Installing mypy ==="
python3 -m pip install -q mypy
mypy --version
echo ""
echo "=== Running mypy type check (hard gate mode) ==="
echo "告警模式，��阻断CI"
echo ""

MYPY_COMMON_ARGS="--ignore-missing-imports --no-site-packages --no-strict-optional --explicit-package-bases --exclude tests/|test_|migrations/|alembic/ --no-error-summary --incremental --cache-dir .mypy_cache"

EXIT_CODE=0

if [ "$SCAN_MODE" = "incremental" ] && [ -n "$CHANGED_PY_FILES" ]; then
  echo "=== Incremental mypy scan (PR mode) ==="
  echo "Changed files: $(echo $CHANGED_PY_FILES | wc -w) files"
  MYPY_FILES=""
  for f in $CHANGED_PY_FILES; do
    case "$f" in
      apps/*|packages/*)
        MYPY_FILES="$MYPY_FILES $f"
        ;;
    esac
  done
  if [ -n "$MYPY_FILES" ]; then
    echo "Checking: $MYPY_FILES"
    mypy $MYPY_FILES $MYPY_COMMON_ARGS 2>&1 | head -80 || EXIT_CODE=$?
  else
    echo "No mypy-checkable files changed, skipping"
  fi
else
  echo "=== Full mypy scan ==="
  mypy apps/api/app packages $MYPY_COMMON_ARGS 2>&1 | head -60 || EXIT_CODE=$?
fi

echo ""
if [ "$EXIT_CODE" != "0" ]; then
  echo "mypy 发现类型问题（告警模式，��阻断）"
  echo "建议后续逐步修复"
else
  echo "mypy 类型检查通过"
fi