<?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';

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'] ?? '');
$category    = trim($_POST['target_product_category'] ?? '');
$description = trim($_POST['description'] ?? '');
$sourceChannel = trim($_POST['source_channel'] ?? '');
if ($sourceChannel === '') {
    $sourceChannel = '手动录入';
}

// 格式校验：手机 / 邮箱
checkFieldFormat('phone', $phone);
checkFieldFormat('email', $email);

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

$pdo = DB::getInstance()->getPdo();
$pdo->prepare(
    "INSERT INTO preliminary_data
        (source_type, company_name, person_name, contact_phone, contact_email,
         target_product_category, description, source_channel, recorded_by, status)
     VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, '待处理')"
)->execute([
    $sourceType,
    $companyName !== '' ? $companyName : null,
    $personName !== '' ? $personName : null,
    $phone !== '' ? $phone : null,
    $email !== '' ? $email : null,
    $category !== '' ? $category : null,
    $description !== '' ? $description : null,
    $sourceChannel,
    $_SESSION['username'] ?? null,
]);
$newId = (int)$pdo->lastInsertId();

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

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