package models

import "time"

// Board represents a message board (conference/forum).
//
// Original: struct Board_Header in BOARD.H
// Changes:
//   - ID replaces positional linked-list ordering
//   - Access ranges kept intact — same security model
//   - LatestTime becomes LatestPost as time.Time
type Board struct {
	ID          int64
	Name        string
	ReadLow     int // Minimum SecBoard to read
	ReadHigh    int // Maximum SecBoard to read
	WriteLow    int // Minimum SecBoard to write
	WriteHigh   int // Maximum SecBoard to write
	MaxPosts    int // Maximum messages before oldest are purged
	PostCount   int        // Current number of posts (Highest_Post)
	LatestPost  *time.Time // nil if no posts yet
	CreatedAt   time.Time
}

// CanRead returns true if the given security level can read this board.
func (b *Board) CanRead(secBoard int) bool {
	return secBoard >= b.ReadLow && secBoard <= b.ReadHigh
}

// CanWrite returns true if the given security level can post to this board.
func (b *Board) CanWrite(secBoard int) bool {
	return secBoard >= b.WriteLow && secBoard <= b.WriteHigh
}

// Message represents a single post on a message board.
//
// Original: struct Board_Data in BOARD.H + the message body stored
// in a separate .Data file at a fixed offset. Here the body is stored
// inline in the database.
// Changes:
//   - ID replaces positional slot number
//   - BoardID foreign key replaces the implicit file-per-board association
//   - Body stored with the record instead of in a separate file
//   - ReplyTo enables threading (not present in original)
//   - Locked replaces the Lock field
type Message struct {
	ID         int64
	BoardID    int64
	Number     int    // Display number within the board (1-based)
	Title      string
	Author     string // Display name (BoardOps could override in original)
	AuthorID   int64  // User ID of the poster
	Body       string
	ReplyTo    int64  // ID of parent message, 0 if top-level
	Locked     bool
	CreatedAt  time.Time
}