package models

import "time"

// Library represents a file library (download area).
//
// Original: struct Library_Header in LIBRARY.H
// Changes:
//   - ID replaces linked-list ordering
//   - FilePath stores the on-disk location for the actual files
type Library struct {
	ID           int64
	Name         string
	FilePath     string // Directory on disk where files are stored
	UploadLow    int    // Minimum SecLibrary to upload
	UploadHigh   int    // Maximum SecLibrary to upload
	DownloadLow  int    // Minimum SecLibrary to download
	DownloadHigh int    // Maximum SecLibrary to download
	MaxFiles     int
	FileCount    int
	LatestFile   *time.Time
	CreatedAt    time.Time
}

// CanUpload returns true if the given security level can upload here.
func (l *Library) CanUpload(secLibrary int) bool {
	return secLibrary >= l.UploadLow && secLibrary <= l.UploadHigh
}

// CanDownload returns true if the given security level can download here.
func (l *Library) CanDownload(secLibrary int) bool {
	return secLibrary >= l.DownloadLow && secLibrary <= l.DownloadHigh
}

// LibraryFile represents a single file entry in a library.
//
// Original: struct Library_Data in LIBRARY.H
// Changes:
//   - ID replaces positional slot
//   - LibraryID foreign key
//   - FileSize is new (original relied on OS stat calls)
type LibraryFile struct {
	ID          int64
	LibraryID   int64
	Filename    string
	Description string
	UploaderID  int64
	Uploader    string // Display name
	FileSize    int64
	Downloads   int
	CreatedAt   time.Time
}

// Bulletin represents a text file displayed to users.
//
// Original: struct Bulletin_Header in BULLETIN.H
// Changes:
//   - ID replaces linked-list ordering
//   - FilePath points to the display file on disk
type Bulletin struct {
	ID       int64
	Name     string
	FilePath string // Path to the text/ANSI file
	ReadLow  int    // Minimum SecBulletin to view
	ReadHigh int    // Maximum SecBulletin to view
}