<?php
/**
 * 硬碎片新增接口  POST /api/fragment/hard_add.php
 * 入参：source_type（company|person|product|need|mixed，必填）/
 *       company_name / person_name / contact_phone / contact_email /
 *       target_product_category / description / source_channel
 * 写入 preliminary_data，status=待处理，recorded_by=当前登录用户
 */
require_once __DIR__ . '/../common/db.php';
require_once __DIR__ . '/../common/response.php';
require_once __DIR__ . '/../common/auth.php';
require_once __DIR__ . '/../common/logger.php';
require_once __DIR__ . '/../common/validate.php';
require_once __DIR__ . '/../common/duplicate_check.php';

checkAjax();
checkPermission('preliminary');

$sourceType = trim($_POST['source_type'] ?? '');
if (!in_array($sourceType, ['company', 'person', 'product', 'need', 'mixed'], true)) {
    Response::error('碎片类型（source_type）为必填项', 400);
}

$companyName = trim($_POST['company_name'] ?? '');
$personName  = trim($_POST['person_name'] ?? '');
$phone       = trim($_POST['contact_phone'] ?? '');
$email       = trim($_POST['contact_email'] ?? '');
$idNumber    = trim($_POST['id_number'] ?? '');
$platform    = trim($_POST['platform'] ?? '');
$accountId   = trim($_POST['account_id'] ?? '');
$profileUrl  = trim($_POST['profile_url'] ?? '');
$industry        = trim($_POST['industry'] ?? '');        // 企业：行业
$registrationNum = trim($_POST['registration_number'] ?? ''); // 企业：注册号
$category         = trim($_POST['target_product_category'] ?? ''); // 产品：品类（存 extra）
$needCategory     = trim($_POST['need_category'] ?? '');       // 需求：需求类别（存 extra）
$sourceChannel = trim($_POST['source_channel'] ?? '');

// 硬数据标准校验：
//   企业/产品/需求 → 企业名称必填；人员 → 手机、邮箱至少填一个；混合 → 至少有一项内容
if (in_array($sourceType, ['company', 'product', 'need'], true) && $companyName === '') {
    Response::error('企业类型硬数据：企业名称为必填项', 400);
}
if ($sourceType === 'person' && $phone === '' && $email === '') {
    Response::error('人员类型硬数据：手机号码、邮箱至少填写一项', 400);
}

// 格式校验：手机 / 邮箱 / 身份证 / 主页链接
checkFieldFormat('phone', $phone);
checkFieldFormat('email', $email);
checkFieldFormat('id_number', $idNumber);
if ($profileUrl !== '' && !preg_match('/^https?:\/\//i', $profileUrl)) {
    Response::error('主页链接格式不正确（应以 http:// 或 https:// 开头）', 400);
}

// 唯一性校验（收集全部重复）：企业名称 / 手机 / 邮箱 / 身份证 / 账号ID（同平台）/ 主页链接
$pdo = DB::getInstance()->getPdo();
$dups = [];
if ($companyName !== '') {
    $dup = findDuplicate($pdo, 'company_name', $companyName);
    if ($dup) $dups[] = $dup;
}
$dups = array_merge($dups, checkSingleAccountDuplicate($pdo, $phone !== '' ? 'phone' : '', $phone, $profileUrl));
if ($email !== '') {
    $dup = findDuplicate($pdo, 'email', $email);
    if ($dup) $dups[] = $dup;
}
if ($idNumber !== '') {
    $dup = findDuplicate($pdo, 'id_number', $idNumber);
    if ($dup) $dups[] = $dup;
}
if ($accountId !== '' && $platform !== '') {
    $dup = findDuplicate($pdo, 'account_id', $accountId, [], $platform);
    if ($dup) $dups[] = $dup;
}
if (!empty($dups)) Response::duplicates($dups);

// 额外信息（身份证/社媒平台/账号ID/主页链接/产品品类/需求类别）存 extra_info
$extra = [];
if ($idNumber !== '') $extra['id_number'] = $idNumber;
if ($platform !== '')  $extra['platform'] = $platform;
if ($accountId !== '') $extra['account_id'] = $accountId;
if ($profileUrl !== '') $extra['profile_url'] = $profileUrl;
if ($category !== '')     $extra['category'] = $category;
if ($needCategory !== '') $extra['need_category'] = $needCategory;

// 至少有一项内容才能录为碎片
if ($companyName === '' && $personName === '' && $phone === '' && $email === '' && !$extra) {
    Response::error('请至少填写一项内容', 400);
}

$pdo->prepare(
    "INSERT INTO preliminary_data
        (source_type, company_name, industry, registration_number, person_name, contact_phone, contact_email,
         source_channel, recorded_by, status, extra_info)
     VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, '待处理', ?)"
)->execute([
    $sourceType,
    $companyName !== '' ? $companyName : null,
    $industry !== '' ? $industry : null,
    $registrationNum !== '' ? $registrationNum : null,
    $personName !== '' ? $personName : null,
    $phone !== '' ? $phone : null,
    $email !== '' ? $email : null,
    $sourceChannel !== '' ? $sourceChannel : null, // 未选择来源保持空白
    $_SESSION['username'] ?? null,
    $extra ? json_encode($extra, JSON_UNESCAPED_UNICODE) : null,
]);
$newId = (int)$pdo->lastInsertId();

logCurrent('add', 'fragment', 'preliminary_data', $newId, [
    'source_type' => $sourceType,
    'company_name' => $companyName,
    'person_name' => $personName,
    'phone' => $phone,
    'email' => $email,
    'extra' => $extra,
]);

Response::success(['id' => $newId], '新增成功');