<?php
/**
 * /api/dashboard/feedback.php — owner-only tool-feedback review surface (read).
 *
 * GET → { ok, totals, by_tool, by_engine, recent }
 *
 * Reads dobetternorge_maindb.tool_feedback (written by api/feedback.php).
 * Owner-gated via dbnToolsIsOwner(). Comments are voluntary, case-content-free.
 */

declare(strict_types=1);

require_once dirname(__DIR__, 2) . '/includes/bootstrap.php';

dbnToolsRequireAuth();

if (!dbnToolsIsOwner()) {
    dbnToolsError('Owner access required.', 403, 'forbidden');
}

try {
    $db = dbnmDb();

    $totalsRow = $db->query(
        "SELECT
            COUNT(*) AS total,
            SUM(rating = 'positive') AS positive,
            SUM(rating = 'negative') AS negative
         FROM tool_feedback"
    )->fetch();

    $byTool = $db->query(
        "SELECT
            tool,
            COUNT(*) AS total,
            SUM(rating = 'positive') AS positive,
            SUM(rating = 'negative') AS negative,
            MAX(created_at) AS last_at
         FROM tool_feedback
         GROUP BY tool
         ORDER BY total DESC, tool ASC"
    )->fetchAll();

    $byEngine = $db->query(
        "SELECT
            COALESCE(NULLIF(engine, ''), '(unknown)') AS engine,
            COUNT(*) AS total,
            SUM(rating = 'positive') AS positive,
            SUM(rating = 'negative') AS negative
         FROM tool_feedback
         GROUP BY engine
         ORDER BY total DESC, engine ASC"
    )->fetchAll();

    $recent = $db->query(
        "SELECT tool, rating, engine, missed_or_wrong, created_at
         FROM tool_feedback
         WHERE missed_or_wrong IS NOT NULL AND missed_or_wrong <> ''
         ORDER BY created_at DESC
         LIMIT 50"
    )->fetchAll();

    $toInt = static fn($v): int => (int) ($v ?? 0);

    dbnToolsRespond([
        'ok'     => true,
        'totals' => [
            'total'    => $toInt($totalsRow['total'] ?? 0),
            'positive' => $toInt($totalsRow['positive'] ?? 0),
            'negative' => $toInt($totalsRow['negative'] ?? 0),
        ],
        'by_tool' => array_map(static fn(array $r): array => [
            'tool'     => $r['tool'],
            'total'    => $toInt($r['total']),
            'positive' => $toInt($r['positive']),
            'negative' => $toInt($r['negative']),
            'last_at'  => $r['last_at'],
        ], $byTool),
        'by_engine' => array_map(static fn(array $r): array => [
            'engine'   => $r['engine'],
            'total'    => $toInt($r['total']),
            'positive' => $toInt($r['positive']),
            'negative' => $toInt($r['negative']),
        ], $byEngine),
        'recent' => array_map(static fn(array $r): array => [
            'tool'            => $r['tool'],
            'rating'          => $r['rating'],
            'engine'          => $r['engine'],
            'missed_or_wrong' => $r['missed_or_wrong'],
            'created_at'      => $r['created_at'],
        ], $recent),
    ]);
} catch (DbnToolsHttpException $e) {
    dbnToolsError($e->getMessage(), $e->status, $e->errorCode, $e->extra ?? []);
} catch (Throwable $e) {
    error_log('[dbn-feedback] ' . $e->getMessage());
    dbnToolsError('Feedback review failed.', 500, 'op_failed');
}