<?php
/**
 * 软碎片列表接口  GET /api/fragment/soft_list.php
 * 参数：page / limit / table（persons|companies|social_accounts|media）/ level（core|important|optional）/ keyword
 * 返回：{ list, total, page, limit }
 * 每行：{ table, table_label, id, name, overall 整体完整度, level 缺失层级,
 *        layer_rates {core,important,optional}, missing_fields 缺失字段（按核心→重要→非必要优先级）, created_at }
 */
require_once __DIR__ . '/../common/db.php';
require_once __DIR__ . '/../common/response.php';
require_once __DIR__ . '/../common/auth.php';
require_once __DIR__ . '/../common/completeness.php';

checkPermission('preliminary');

[$page, $limit] = pageParams();
$table   = trim($_REQUEST['table'] ?? '');
$level   = trim($_REQUEST['level'] ?? '');
$keyword = trim($_REQUEST['keyword'] ?? '');

$tableMap = [
    'persons'         => ['label' => '人员', 'name' => 'full_name'],
    'companies'       => ['label' => '企业', 'name' => 'display_name'],
    'social_accounts' => ['label' => '联系方式', 'name' => 'account_id'],
    'media'           => ['label' => '媒体', 'name' => null], // media 需 JOIN social_accounts 取名
];

$pdo = DB::getInstance()->getPdo();
$all = [];

foreach ($tableMap as $t => $cfg) {
    if ($table !== '' && $table !== $t) {
        continue;
    }
    if ($t === 'media') {
        $rows = $pdo->query(
            "SELECT m.social_account_id AS id, sa.account_id AS name, m.updated_at AS updated_at
             FROM media_commercial_attributes m
             LEFT JOIN social_accounts sa ON sa.id = m.social_account_id
             WHERE m.is_incomplete = 1"
        )->fetchAll();
    } else {
        $rows = $pdo->query("SELECT id, {$cfg['name']} AS name, updated_at FROM `$t` WHERE is_incomplete = 1")->fetchAll();
    }
    foreach ($rows as $r) {
        $info = completenessInfo($pdo, $t, (int)$r['id']);
        if (!$info) {
            continue;
        }
        if ($level !== '' && $info['level'] !== $level) {
            continue;
        }
        // 缺失字段按优先级：核心 → 重要 → 非必要
        $missingFields = array_merge($info['missing']['core'], $info['missing']['important'], $info['missing']['optional']);
        $all[] = [
            'table'        => $t,
            'table_label'  => $cfg['label'],
            'id'           => (int)$r['id'],
            'name'         => $r['name'] ?: ('#' . $r['id']),
            'overall'      => $info['overall'],
            'level'        => $info['level'],
            'layer_rates'  => [
                'core'      => $info['layers']['core']['rate'],
                'important' => $info['layers']['important']['rate'],
                'optional'  => $info['layers']['optional']['rate'],
            ],
            'missing_fields' => array_map(function ($f) { return COMPLETENESS_LABELS[$f] ?? $f; }, $missingFields),
            'updated_at'   => $r['updated_at'] ?? null,
        ];
    }
}

// 排序：整体完整度升序（最残缺在前），同分按更新时间倒序
usort($all, function ($a, $b) {
    if ($a['overall'] !== $b['overall']) {
        return $a['overall'] <=> $b['overall'];
    }
    return strcmp($b['updated_at'] ?? '', $a['updated_at'] ?? '');
});

if ($keyword !== '') {
    $all = array_values(array_filter($all, function ($r) use ($keyword) {
        return mb_strpos($r['name'], $keyword) !== false;
    }));
}

$total = count($all);
$offset = ($page - 1) * $limit;
$list = array_slice($all, $offset, $limit);

Response::success(['list' => $list, 'total' => $total, 'page' => $page, 'limit' => $limit]);