// events.rhai - Functions for handling calendar events

import "utils" as utils;
import "../models/event_model" as event_model;

// Get all events
fn get_all_events() {
    return event_model::get_sample_events();
}

// Get a specific event by ID
fn get_event(event_id) {
    let events = get_all_events();
    return utils::find_by_id(events, event_id);
}

// Get events for a specific calendar
fn get_events_by_calendar(calendar_id) {
    let events = get_all_events();
    return utils::filter_by_property(events, "calendar_id", calendar_id);
}

// Get events for a specific user (as attendee)
fn get_events_by_attendee(user_id) {
    let events = get_all_events();
    let user_events = [];
    
    for event in events {
        if utils::array_contains(event.attendees, user_id) {
            user_events.push(event);
        }
    }
    
    return user_events;
}

// Get events organized by a specific user
fn get_events_by_organizer(user_id) {
    let events = get_all_events();
    return utils::filter_by_property(events, "organizer_id", user_id);
}

// Get events for a specific date range
fn get_events_by_date_range(start_date, end_date) {
    let events = get_all_events();
    let filtered_events = [];
    
    for event in events {
        let event_start = event.start_time;
        
        // Simple string comparison - in a real app, we would use proper date comparison
        if event_start >= start_date && event_start <= end_date {
            filtered_events.push(event);
        }
    }
    
    return filtered_events;
}

// Create a new event
fn create_event(title, description, start_time, end_time, location, calendar_id, organizer_id, attendees, recurring, status) {
    // Generate a simple ID (in a real app, we would use a proper ID generation method)
    let id = "event" + (get_all_events().len() + 1).to_string();
    
    return event_model::create_event(
        id, title, description, start_time, end_time, location, 
        calendar_id, organizer_id, attendees, recurring, status
    );
}

// Format event details for display
fn format_event(event) {
    if utils::is_empty(event) {
        return "Event not found";
    }
    
    let start_date = utils::format_date(event.start_time);
    let start_time = utils::format_time(event.start_time);
    let end_time = utils::format_time(event.end_time);
    
    return `${event.title} (${start_date}, ${start_time} - ${end_time})
Location: ${event.location}
Description: ${event.description}
Status: ${event.status}`;
}