package database

import (
	"log/slog"
	"os"

	"gorm.io/gorm"
)

func watchdog(w string, db *gorm.DB) {
	slog.Info("performing the watchdog cycle")

	files, err := GetFiles(db)
	if err != nil {
		slog.Error("failed to retrieve the files indexed from the database", "error", err)
		return
	}

	var purgeList []string
	for _, f := range files {
		i, err := os.Stat(f.Filepath)
		if err != nil {
			if os.IsNotExist(err) {
				purgeList = append(purgeList, f.Filepath)
				continue
			}
			slog.Warn("stat failed", "file", f.Filepath, "error", err)
			continue
		}

		if i.IsDir() {
			purgeList = append(purgeList, f.Filepath) // also mark it for purger if its a directory. We do not want that here
		}
	}
	slog.Info("purge list", "files", purgeList)
}