import { appConfig } from '@/config';
import { HttpImClient } from './httpImClient';
import axios from 'axios';
import {
  appServerGet,
  appServerPost,
  clearStoredAppAuth,
  getStoredAppAuth,
  persistAppAuth
} from './appServerClient';

function inferAccountType(account) {
  return String(account || '').includes('@') ? 2 : 1;
}

function unwrapData(response) {
  return response.data?.data ?? response.data?.result ?? null;
}

function unwrapMessage(response, fallback) {
  return response.data?.message || response.data?.msg || fallback;
}

export class DocumentedHttpImClient extends HttpImClient {
  unsupported(feature) {
    throw new Error(`当前对接文档未提供“${feature}”接口，已禁用旧本地代理链路`);
  }

  async loginWithPassword(account, password, type = inferAccountType(account)) {
    const response = await appServerPost(`${appConfig.appServer}/auth/login_pwd`, {
      type,
      number: account,
      password,
      platform: appConfig.platform,
      clientId: this.getClientId()
    }, {
      skipAuth: true
    });

    if (response.data?.code !== 0) {
      throw new Error(unwrapMessage(response, '登录失败'));
    }

    persistAppAuth(unwrapData(response));
    return unwrapData(response);
  }

  async requestAuthCode(email) {
    const response = await appServerPost(`${appConfig.appServer}/auth/sendEmailCode`, {
      email
    }, {
      skipAuth: true
    });

    if (response.data?.code !== 0) {
      throw new Error(unwrapMessage(response, '验证码发送失败'));
    }

    return unwrapData(response);
  }

  async loginWithCode(account, code) {
    void account;
    void code;
    throw new Error('接口文档未提供验证码登录接口，请使用密码登录');
  }

  async register({ type, number, code = '', password, invitationCode = '' }) {
    const response = await appServerPost(`${appConfig.appServer}/auth/register`, {
      type,
      number,
      code,
      password,
      clientId: this.getClientId(),
      platform: appConfig.platform,
      invitationCode
    }, {
      skipAuth: true
    });

    if (response.data?.code !== 0) {
      throw new Error(unwrapMessage(response, '注册失败'));
    }

    persistAppAuth(unwrapData(response));
    return unwrapData(response);
  }

  async createPcSession(userId = '') {
    const response = await axios.post(`${appConfig.qrAppServer}/pc_session`, {
      flag: 1,
      device_name: 'Web IM',
      userId,
      clientId: this.getClientId(),
      platform: appConfig.platform
    }, { withCredentials: false });

    if (response.data?.code !== 0) {
      throw new Error(unwrapMessage(response, '二维码登录会话创建失败'));
    }

    return unwrapData(response) || {};
  }

  async loginWithPcSession(token) {
    const url = `${appConfig.qrAppServer}/session_login/${encodeURIComponent(token)}`;
    let response;
    try {
      response = await axios.post(url, null, { withCredentials: false });
    } catch (postError) {
      response = await axios.get(url, { withCredentials: false });
    }

    this.persistAppToken(url, response);

    const payload = response.data || {};
    const result = payload.result ?? payload.data ?? null;

    if (Number(payload.code) === 0 && result) {
      persistAppAuth(result);
    }

    if ([0, 8, 9, 10, 13, 18, 20042].includes(Number(payload.code))) {
      return {
        ...payload,
        data: result
      };
    }

    throw new Error(payload.message || '扫码登录失败');
  }

  async changePassword({ oldPassword, newPassword }) {
    const response = await appServerPost(appConfig.changePasswordApi, {
      oldPassword,
      newPassword
    });

    if (response.data?.code !== 0) {
      throw new Error(unwrapMessage(response, '密码修改失败'));
    }

    return true;
  }

  async resetPasswordWithCode({ mobile, resetCode, newPassword }) {
    void mobile;
    void resetCode;
    void newPassword;
    throw new Error('接口文档未提供重置密码接口，请联系服务端确认流程');
  }

  async logout() {
    const auth = getStoredAppAuth();
    if (!auth?.refreshToken) {
      clearStoredAppAuth();
      return true;
    }

    try {
      const response = await appServerPost(appConfig.logoutApi, {
        refreshToken: auth.refreshToken
      });
      if (response.data?.code !== 0) {
        throw new Error(unwrapMessage(response, '退出登录失败'));
      }
    } finally {
      clearStoredAppAuth();
    }

    return true;
  }

  async fetchRemoteConversations() {
    return [];
  }

  async fetchRemoteMessages() {
    return [];
  }

  async getServerContactList() {
    return [];
  }

  async getProfile() {
    return null;
  }

  async sendTextMessage() {
    this.unsupported('发送消息');
  }

  async sendAttachmentMessage() {
    this.unsupported('发送附件消息');
  }

  async addContact() {
    this.unsupported('添加联系人');
  }

  async updateContactAlias() {
    this.unsupported('联系人备注');
  }

  async createGroup() {
    this.unsupported('创建群组');
  }

  async joinGroup() {
    this.unsupported('加入群组');
  }

  async broadcastMessage() {
    this.unsupported('群发消息');
  }

  async getGroupDetail() {
    this.unsupported('群详情');
  }

  async getGroupMembers() {
    this.unsupported('群成员');
  }

  async updateGroupAlias() {
    this.unsupported('群备注');
  }

  async leaveGroup() {
    this.unsupported('退出群组');
  }

  async dismissGroup() {
    this.unsupported('解散群组');
  }

  async transferGroup() {
    this.unsupported('转让群组');
  }

  async setGroupAdmins() {
    this.unsupported('设置群管理员');
  }

  async updateGroupProfile() {
    this.unsupported('更新群资料');
  }

  async kickGroupMembers() {
    this.unsupported('移除群成员');
  }

  async updateGroupMuteSetting() {
    this.unsupported('群禁言设置');
  }

  async updateProfile() {
    this.unsupported('更新个人资料');
  }

  async recallMessage() {
    this.unsupported('撤回消息');
  }

  async editMessage() {
    this.unsupported('编辑消息');
  }

  async getMessageDetail() {
    this.unsupported('消息详情');
  }
}