//! LFG form constants and validation utilities.
//!
//! This module provides constants for the Looking For Group (LFG) feature.

/// Allowed duration options in hours for LFG records.
pub(crate) const ALLOWED_DURATIONS: [u32; 5] = [6, 12, 24, 48, 72];

/// Default duration in hours for new LFG records.
pub(crate) const DEFAULT_DURATION_HOURS: u32 = 48;

/// Maximum number of tags allowed per LFG record.
pub(crate) const MAX_TAGS: usize = 10;

/// Maximum length of a single tag.
pub(crate) const MAX_TAG_LENGTH: usize = 64;

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_allowed_durations() {
        assert!(ALLOWED_DURATIONS.contains(&6));
        assert!(ALLOWED_DURATIONS.contains(&12));
        assert!(ALLOWED_DURATIONS.contains(&24));
        assert!(ALLOWED_DURATIONS.contains(&48));
        assert!(ALLOWED_DURATIONS.contains(&72));
        assert!(!ALLOWED_DURATIONS.contains(&1));
        assert!(!ALLOWED_DURATIONS.contains(&100));
    }

    #[test]
    fn test_default_duration() {
        assert_eq!(DEFAULT_DURATION_HOURS, 48);
    }

    #[test]
    fn test_max_tags() {
        assert_eq!(MAX_TAGS, 10);
    }

    #[test]
    fn test_max_tag_length() {
        assert_eq!(MAX_TAG_LENGTH, 64);
    }
}