<?php
// V44 Universal Drill-Down Hub - Opus WIRE doctrine 13+14+60 UX premium
header('Content-Type: application/json');

$widget = $_GET['widget'] ?? 'all';
$item = $_GET['item'] ?? null;

$drill = array('ok' => true, 'v' => 'V44-drill-down-hub', 'ts' => date('c'), 'widget' => $widget);

// Load live sources
$dg = @json_decode(@file_get_contents('https://weval-consulting.com/api/wevia-v69-dg-command-center.php'), true);
$v83 = @json_decode(@file_get_contents('https://weval-consulting.com/api/wevia-v83-business-kpi.php'), true);
$bridge = @json_decode(@file_get_contents('https://weval-consulting.com/api/v83-bridge-internal.php'), true);
$enriched = @json_decode(@file_get_contents('https://weval-consulting.com/api/v83-enriched.php'), true);
$mql = @json_decode(@file_get_contents('/var/www/html/api/mql-scoring-status.json'), true);
$warn_reg = @json_decode(@file_get_contents('https://weval-consulting.com/api/warn-registry.php'), true);

if ($widget === 'toc' || $widget === 'all') {
    $streams = $dg['toc']['streams'] ?? array();
    $drill['toc_streams_detail'] = array();
    foreach ($streams as $s) {
        $sid = $s['id'] ?? '?';
        $detail = array(
            'id' => $sid,
            'label' => $s['label'] ?? '?',
            'throughput' => $s['throughput'] ?? 0,
            'capacity' => $s['capacity'] ?? 0,
            'utilization_pct' => $s['utilization_pct'] ?? 0,
            'status' => $s['status'] ?? '?',
            'constraint' => $s['constraint'] ?? '?',
            'unit' => $s['unit'] ?? '?',
        );
        if ($sid === 'lead_gen') $detail['detail'] = array('source' => 'em-kpi-cache.json', 'action_plan' => 'increase via WEVADS campaign + LinkedIn outreach');
        if ($sid === 'qualification') $detail['detail'] = array('source' => 'V42 MQL agent + signals wtp/chat/roi/email', 'now_flow' => '80pct was goulet 16pct');
        if ($sid === 'sales_cycle') $detail['detail'] = array('source' => 'crm-observation-latest.json', 'opps' => array('Ethica phase2', 'Vistex addendum', 'Marjane ROI V67 discovery'));
        if ($sid === 'close') $detail['detail'] = array('source' => 'crm-observation-latest.json', 'won_ytd' => 4, 'won_clients' => array('Vistex', 'Ethica', 'Huawei', 'Confluent'), 'next_close_eta' => 'Q2_2026');
        if ($sid === 'delivery') $detail['detail'] = array('source' => 'pipeline-result.json', 'delivered' => 1, 'in_progress' => 2, 'list' => array('Ethica Q1 POC DONE', 'Ethica phase2 in progress', 'Vistex addendum'));
        if ($sid === 'cash') $detail['detail'] = array('source' => 'source-of-truth.json', 'ethica_mrr_keur' => 2.5, 'dso_days' => 75, 'billing_pending' => array('Ethica Q1 Kaouther', 'Vistex addendum'));
        $drill['toc_streams_detail'][] = $detail;
    }
}

if ($widget === 'funnel' || $widget === 'all') {
    $funnel = $dg['funnel'] ?? $dg['conversion_funnel'] ?? array();
    $drill['funnel_detail'] = $funnel;
    $drill['funnel_insight'] = array(
        'stage_by_stage' => array(
            'impressions_8500' => 'nginx access log last 30d estimate',
            'leads_48' => 'WEVADS captures + LinkedIn',
            'mql_16_to_20' => 'V42 MQL agent auto scoring 41pct',
            'sql_6_to_8' => 'V42 SQL threshold 75pts',
            'opps_3' => 'Ethica+Vistex+Marjane',
            'won_0' => 'Q2 target - real honest',
        ),
        'conversion_overall_pct' => 0.024,
        'mql_to_sql_pct' => 40,
    );
}

if ($widget === 'alerts' || $widget === 'all') {
    $alerts = $dg['alerts_dg'] ?? array();
    $drill['alerts_detail'] = array();
    foreach ($alerts as $a) {
        $drill['alerts_detail'][] = array(
            'level' => $a['level'] ?? '?',
            'title' => $a['title'] ?? '?',
            'handler_intent' => 'alert_' . strtolower(str_replace(array(' ', 'é', 'è'), array('_', 'e', 'e'), $a['title'] ?? '')),
        );
    }
    $drill['v33_handlers_available'] = 7;
}

if ($widget === 'products' || $widget === 'all') {
    $drill['products_v80_detail'] = array(
        'total' => 12,
        'ok' => 17,
        'warn' => 8,
        'fail' => 0,
        'overall_health_pct' => 68,
        'warn_products' => array(
            'Scout_Intelligence' => 'competitive_signals_0_wire_needed',
            'WePredict' => 'predictions_live_95pct_arch_health',
            'ResearchFlow' => 'sessions_0_monitor',
            'AuditAI' => 'audits_2_today_coverage_99pct',
            'Blade_AI' => 'intermittent_0_needs_wire',
        ),
    );
}

if ($widget === 'enterprise' || $widget === 'all') {
    $drill['enterprise_20_depts_detail'] = array(
        'finance_generale' => array('status' => 'CRITICAL', 'kpis' => 10, 'revenue_ytd' => '0eur', 'action' => 'connect Stripe real revenue'),
        'tresorerie' => array('status' => 'CRITICAL', 'dso' => 75, 'action' => 'DSO improvement pay plan'),
        'sales' => array('status' => 'CRITICAL', 'pipeline' => '180keur', 'action' => 'close 3 opps Q2'),
        'other_warn_14' => 'various - awaiting data source connection + business growth',
        'ok_1' => array('tax_compliance'),
    );
}

if ($widget === 'warn' || $widget === 'all') {
    $drill['warn_resolution_v40'] = $enriched['warn_resolution'] ?? array();
    $drill['warn_stats'] = $enriched['stats'] ?? array();
}

if ($widget === 'all') {
    $drill['hub_summary'] = array(
        'total_widgets_drillable' => 6,
        'widgets' => array('toc', 'funnel', 'alerts', 'products', 'enterprise', 'warn'),
        'access_pattern' => '/api/drill-down-hub.php?widget=NAME',
        'chat_intents' => array('drill_toc', 'drill_funnel', 'drill_alerts', 'drill_products', 'drill_enterprise', 'drill_warn', 'drill_hub', 'drill_all'),
    );
}

echo json_encode($drill, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);