<?php

declare(strict_types=1);

/**
 * Early-Stage Growth System (EGS) Configuration
 *
 * Controls the Nova Early-Stage Growth System — a reversible, non-deceptive
 * layer that keeps the site feeling alive when organic traffic is low.
 *
 * TOGGLE:
 *   .env  NOVA_EARLY_GROWTH_ENABLED=true
 *   .env  NOVA_EARLY_GROWTH_MODE=light   (off | light | aggressive)
 *
 * Set NOVA_EARLY_GROWTH_ENABLED=false (or NOVA_EARLY_GROWTH_MODE=off)
 * to revert all behaviour to standard production logic instantly.
 */

return [

    // ─── Master switch ────────────────────────────────────────────────────────
    'enabled' => (bool) env('NOVA_EARLY_GROWTH_ENABLED', false),

    // operating mode: off | light | aggressive
    'mode'    => env('NOVA_EARLY_GROWTH_MODE', 'off'),

    // ─── Module toggles (each respects master 'enabled') ─────────────────────
    'adaptive_time_window' => (bool) env('NOVA_EGS_ADAPTIVE_WINDOW', true),
    'grid_filler'          => (bool) env('NOVA_EGS_GRID_FILLER', true),
    'spotlight'            => (bool) env('NOVA_EGS_SPOTLIGHT', true),
    'activity_layer'       => (bool) env('NOVA_EGS_ACTIVITY_LAYER', false),

    // ─── AdaptiveTimeWindow thresholds ───────────────────────────────────────
    // uploads_per_day is the 7-day rolling average of published artworks/day.
    'thresholds' => [
        'uploads_per_day_narrow' => (int) env('NOVA_EGS_UPLOADS_PER_DAY_NARROW', 10),
        'uploads_per_day_wide'   => (int) env('NOVA_EGS_UPLOADS_PER_DAY_WIDE', 3),
        // Days to look back for trending / rising queries
        'window_narrow_days'     => (int) env('NOVA_EGS_WINDOW_NARROW_DAYS', 7),
        'window_medium_days'     => (int) env('NOVA_EGS_WINDOW_MEDIUM_DAYS', 30),
        'window_wide_days'       => (int) env('NOVA_EGS_WINDOW_WIDE_DAYS', 90),
    ],

    // ─── FeedBlender ratios per mode ─────────────────────────────────────────
    // Values are proportions; they are normalised internally (sum need not equal 1).
    'blend_ratios' => [
        'light' => [
            'fresh'     => 0.60,
            'curated'   => 0.25,
            'spotlight' => 0.15,
        ],
        'aggressive' => [
            'fresh'     => 0.30,
            'curated'   => 0.50,
            'spotlight' => 0.20,
        ],
    ],

    // ─── GridFiller ──────────────────────────────────────────────────────────
    // Minimum number of items to display per grid page.
    'grid_min_results' => (int) env('NOVA_EGS_GRID_MIN_RESULTS', 12),

    // ─── Auto-disable when site reaches organic scale ────────────────────────
    'auto_disable' => [
        'enabled'         => (bool) env('NOVA_EGS_AUTO_DISABLE', false),
        'uploads_per_day' => (int) env('NOVA_EGS_AUTO_DISABLE_UPLOADS', 50),
        'active_users'    => (int) env('NOVA_EGS_AUTO_DISABLE_USERS', 500),
    ],

    // ─── Cache TTLs (seconds) ─────────────────────────────────────────────────
    'cache_ttl' => [
        'spotlight'   => (int) env('NOVA_EGS_SPOTLIGHT_TTL', 3600),  // 1 h  – rotated daily
        'feed_blend'  => (int) env('NOVA_EGS_BLEND_TTL', 300),        // 5 min
        'time_window' => (int) env('NOVA_EGS_WINDOW_TTL', 600),       // 10 min
        'activity'    => (int) env('NOVA_EGS_ACTIVITY_TTL', 1800),    // 30 min
    ],

];