spawn-access-control 0.1.12

use chrono::{DateTime, Utc, Timelike};
use std::collections::HashMap;
use serde::Serialize;

#[derive(Debug, Clone, Serialize)]
pub struct AccessEvent {
    pub user_id: String,
    pub timestamp: DateTime<Utc>,
    pub action: String,
    pub resource: String,
    pub success: bool,
    pub duration: std::time::Duration,
}

#[derive(Debug, Clone, Serialize)]
pub struct AccessPattern {
    pub pattern_type: PatternType,
    pub confidence: f64,
    pub occurrences: u32,
    pub first_seen: DateTime<Utc>,
    pub last_seen: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize)]
pub enum PatternType {
    TimeOfDay,
    ResourceSequence,
    FailurePattern,
    BulkAccess,
}

impl AccessPattern {
    pub fn new(pattern_type: PatternType, confidence: f64) -> Self {
        Self {
            pattern_type,
            confidence,
            occurrences: 1,
            first_seen: Utc::now(),
            last_seen: Utc::now(),
        }
    }
}

pub struct BehaviorAnalyzer {
    #[allow(dead_code)]
    patterns: HashMap<String, Vec<AccessPattern>>,
}

impl BehaviorAnalyzer {
    pub fn new() -> Self {
        Self {
            patterns: HashMap::new(),
        }
    }

    pub fn analyze_time_patterns(&self, events: &[AccessEvent]) -> Vec<AccessPattern> {
        let mut hour_counts = vec![0; 24];
        let patterns = Vec::new();

        for event in events {
            let hour = event.timestamp.hour() as usize;
            hour_counts[hour] += 1;
        }

        let mut _max_hour = 0;  // Unused variable marked with _
        let mut max_count = 0;

        for (hour, &count) in hour_counts.iter().enumerate() {
            if count > max_count {
                max_count = count;
                _max_hour = hour;  // Marked as unused
            }
        }

        // ... rest of the implementation
        patterns
    }
}