/**
 * 模块权限配置弹窗
 */

import React, { useState, useEffect } from 'react';
import {
  Modal,
  Checkbox,
  Row,
  Col,
  message,
  Typography,
  Spin,
  Alert,
} from 'antd';
import * as userApi from '../api/userApi';
import type { TenantMembership, ModuleOption } from '../types/user';

const { Text } = Typography;

interface ModulePermissionModalProps {
  visible: boolean;
  userId: string;
  membership: TenantMembership;
  onClose: () => void;
  onSuccess: () => void;
}

const ModulePermissionModal: React.FC<ModulePermissionModalProps> = ({
  visible,
  userId,
  membership,
  onClose,
  onSuccess,
}) => {
  const [submitting, setSubmitting] = useState(false);
  const [loading, setLoading] = useState(false);
  const [moduleOptions, setModuleOptions] = useState<ModuleOption[]>([]);
  const [selectedModules, setSelectedModules] = useState<string[]>([]);

  // 加载模块选项
  useEffect(() => {
    if (visible && membership) {
      setLoading(true);
      userApi.getModuleOptions(membership.tenantId)
        .then((options) => {
          setModuleOptions(options);
          // 设置当前已启用的模块
          const enabled = membership.allowedModules
            .filter((m) => m.isEnabled)
            .map((m) => m.code);
          setSelectedModules(enabled);
        })
        .catch(console.error)
        .finally(() => setLoading(false));
    }
  }, [visible, membership]);

  // 提交
  const handleSubmit = async () => {
    setSubmitting(true);
    try {
      await userApi.updateUserModules(userId, {
        tenantId: membership.tenantId,
        modules: selectedModules,
      });
      message.success('模块权限更新成功');
      onSuccess();
    } catch (error: any) {
      message.error(error.response?.data?.message || '更新失败');
    } finally {
      setSubmitting(false);
    }
  };

  return (
    <Modal
      title={`配置模块权限 - ${membership.tenantName}`}
      open={visible}
      onCancel={onClose}
      onOk={handleSubmit}
      confirmLoading={submitting}
      destroyOnClose
    >
      <Spin spinning={loading}>
        <Alert
          message="模块权限说明"
          description="选择用户在该租户内可以访问的模块。取消所有选择将默认继承租户的全部模块权限。灰色模块表示租户尚未订阅。"
          type="info"
          showIcon
          style={{ marginBottom: 16 }}
        />

        {moduleOptions.length > 0 ? (
          <Checkbox.Group
            value={selectedModules}
            onChange={(values) => setSelectedModules(values as string[])}
            style={{ width: '100%' }}
          >
            <Row gutter={[16, 16]}>
              {moduleOptions.map((module) => (
                <Col span={12} key={module.code}>
                  <Checkbox value={module.code}>
                    {module.name}
                    {!module.isSubscribed && (
                      <Text type="secondary" style={{ fontSize: 12, marginLeft: 4 }}>
                        (未订阅)
                      </Text>
                    )}
                  </Checkbox>
                </Col>
              ))}
            </Row>
          </Checkbox.Group>
        ) : (
          <Text type="secondary">暂无可用模块</Text>
        )}
      </Spin>
    </Modal>
  );
};

export default ModulePermissionModal;