<?php
/**
 * 硬碎片公共逻辑：完整度计算（按非空字段直接计数）+ 内容摘要
 * 被 hard_list.php 与 hard_detail.php 共用
 */

/** 硬碎片可统计字段（公司名/联系人/电话/邮箱/品类/描述） */
const HARD_FIELDS = ['company_name', 'person_name', 'contact_phone', 'contact_email', 'target_product_category', 'description'];
const HARD_LABELS = [
    'company_name' => '公司名称', 'person_name' => '联系人', 'contact_phone' => '电话',
    'contact_email' => '邮箱', 'target_product_category' => '产品品类', 'description' => '描述',
];

/** 计算硬碎片完整度：已填字段数 ÷ 总可填字段数 × 100% */
function hardCompleteness($row)
{
    $filled = 0;
    $missing = [];
    foreach (HARD_FIELDS as $field) {
        if ($row[$field] !== null && trim((string)$row[$field]) !== '') {
            $filled++;
        } else {
            $missing[] = $field;
        }
    }
    $total = count(HARD_FIELDS);
    $score = $total > 0 ? (int)round($filled / $total * 100) : 0;
    return ['score' => $score, 'missing' => $missing];
}

/** 内容摘要：拼接已有关键信息 */
function hardSummary($row)
{
    $parts = [];
    if (!empty($row['company_name'])) $parts[] = '公司:' . $row['company_name'];
    if (!empty($row['person_name'])) $parts[] = '联系人:' . $row['person_name'];
    if (!empty($row['contact_phone'])) $parts[] = '手机:' . $row['contact_phone'];
    if (!empty($row['contact_email'])) $parts[] = '邮箱:' . $row['contact_email'];
    if (!empty($row['target_product_category'])) $parts[] = '品类:' . $row['target_product_category'];
    if (empty($parts) && !empty($row['description'])) $parts[] = '描述:' . mb_substr($row['description'], 0, 20);
    return implode(' ', $parts);
}