<?php
declare(strict_types=1);

require __DIR__ . '/bootstrap.php';
require __DIR__ . '/mailer.php';

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    jsonError('方法不允许', 405);
}

$body = getRequestBody();

$doctorId = trim((string) ($body['doctorId'] ?? ''));
$doctorName = trim((string) ($body['doctorName'] ?? ''));
$nickname = trim((string) ($body['nickname'] ?? ''));
$gender = trim((string) ($body['gender'] ?? ''));
$contact = trim((string) ($body['contact'] ?? ''));
$description = trim((string) ($body['description'] ?? ''));

if ($nickname === '') {
    jsonError('请填写昵称');
}
if (!in_array($gender, ['男', '女'], true)) {
    jsonError('请选择性别');
}
if ($contact === '') {
    jsonError('请填写联系电话');
}
if (!validatePhone($contact)) {
    jsonError('请输入正确的11位手机号码');
}
if ($description === '') {
    jsonError('请填写需求简述');
}
if (mb_strlen($description) > 200) {
    jsonError('需求简述不能超过200字');
}

$record = [
    'id' => uniqid('sub_', true),
    'createdAt' => date('c'),
    'doctorId' => $doctorId,
    'doctorName' => $doctorName,
    'nickname' => $nickname,
    'gender' => $gender,
    'contact' => $contact,
    'description' => $description,
];

$submissions = readSubmissions();
$submissions[] = $record;

if (!saveSubmissions($submissions)) {
    jsonError(getSaveSubmissionsError(), 500);
}

$response = [
    'ok' => true,
    'message' => '提交成功',
    'id' => $record['id'],
    'total' => count($submissions),
];

http_response_code(200);
header('Content-Type: application/json; charset=utf-8');
echo json_encode($response, JSON_UNESCAPED_UNICODE);

finishResponseAndContinue();

$mailSent = sendSubmissionMail($submissions);
if (!$mailSent) {
    error_log('[submit] 数据已保存，邮件通知未发送，ID=' . $record['id']);
}

exit;