package vault

import (
	"os"
	"path/filepath"
	"strings"
)

// ScanVault 扫描知识库目录，返回所有 markdown 文件的元数据
func ScanVault(vaultPath string) ([]*FileMeta, error) {
	var files []*FileMeta

	err := filepath.Walk(vaultPath, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			return nil // 跳过错误文件
		}
		if info.IsDir() {
			// 跳过隐藏目录
			if strings.HasPrefix(info.Name(), ".") && info.Name() != "." {
				return filepath.SkipDir
			}
			// 跳过待审阅目录
			if info.Name() == "待审阅" {
				return filepath.SkipDir
			}
			return nil
		}
		if !strings.HasSuffix(path, ".md") {
			return nil
		}

		relPath, _ := filepath.Rel(vaultPath, path)
		meta, err := ParseFile(path, relPath)
		if err != nil {
			return nil // 跳过解析失败的文件
		}
		files = append(files, meta)
		return nil
	})

	return files, err
}