import type {
  YinianAuthSession,
  YinianConfigSnapshot,
  YinianHotel,
  YinianImageCaptcha,
  YinianLoginWithPasswordInput,
  YinianLoginWithSmsInput,
  YinianLocalSkill,
  YinianServerStatus,
  YinianSessionState,
  YinianSkillSyncResult,
  YinianUser,
} from '../../shared/yinian';
import type { YinianControlPlane } from './control-plane';
import { getYinianStorage, type YinianStorage } from './storage';

const MOCK_USER: YinianUser = {
  id: 'user_demo_manager',
  name: '王管理员',
  phone: '13800000000',
  email: 'manager@yinian.local',
};

const MOCK_HOTELS: YinianHotel[] = [
  {
    id: 'workspace_hangzhou_ops',
    name: '智念企业组织空间',
    brand: '智念',
  },
  {
    id: 'workspace_shanghai_growth',
    name: '智念增长组织空间',
    brand: '智念',
  },
];

function createSession(user: YinianUser = MOCK_USER, currentHotelId = MOCK_HOTELS[0].id): YinianAuthSession {
  return {
    authenticated: true,
    user,
    hotels: MOCK_HOTELS,
    currentHotelId,
    accessTokenExpiresAt: Date.now() + 60 * 60 * 1000,
  };
}

interface MockYinianControlPlaneOptions {
  storage?: YinianStorage;
}

export class MockYinianControlPlane implements YinianControlPlane {
  private readonly storage: YinianStorage;
  private currentSession: YinianSessionState = { authenticated: false };
  private localSkills: YinianLocalSkill[] = [];

  constructor(options: MockYinianControlPlaneOptions = {}) {
    this.storage = options.storage ?? getYinianStorage();
  }

  async getServerStatus(): Promise<YinianServerStatus> {
    return {
      mode: 'mock',
      reachable: true,
      checkedAt: Date.now(),
      message: '当前使用本地演示数据',
    };
  }

  async createImageCaptcha(randomStr = crypto.randomUUID()): Promise<YinianImageCaptcha> {
    return {
      randomStr,
      image: '',
      mimeType: 'image/svg+xml',
      raw: { mock: true },
    };
  }

  async restoreSession(): Promise<YinianSessionState> {
    const persisted = await this.storage.getSession();
    if (!persisted || persisted.mode !== 'mock') {
      this.currentSession = { authenticated: false };
      return this.currentSession;
    }

    this.currentSession = {
      authenticated: true,
      user: persisted.user,
      hotels: persisted.hotels,
      currentHotelId: persisted.currentHotelId,
      accessTokenExpiresAt: persisted.accessTokenExpiresAt,
    };
    const registry = await this.storage.getSkillRegistry(persisted.currentHotelId);
    this.localSkills = registry && 'skills' in registry ? registry.skills : [];
    return this.currentSession;
  }

  async getSessionState(): Promise<YinianSessionState> {
    if (!this.currentSession.authenticated) {
      return this.restoreSession();
    }
    return this.currentSession;
  }

  async loginWithSms(input: YinianLoginWithSmsInput): Promise<YinianAuthSession> {
    const phone = input.phone.trim();
    if (!phone || !input.code.trim()) {
      throw new Error('手机号和验证码不能为空');
    }

    this.currentSession = createSession({ ...MOCK_USER, phone });
    await this.persistCurrentSession();
    return this.currentSession;
  }

  async loginWithPassword(input: YinianLoginWithPasswordInput): Promise<YinianAuthSession> {
    const account = input.account.trim();
    if (!account || !input.password.trim()) {
      throw new Error('账号和密码不能为空');
    }

    this.currentSession = createSession({
      ...MOCK_USER,
      name: account === 'admin' ? 'NIANXX 实施' : MOCK_USER.name,
      email: account.includes('@') ? account : MOCK_USER.email,
    });
    await this.persistCurrentSession();
    return this.currentSession;
  }

  async logout(): Promise<YinianSessionState> {
    if (this.currentSession.authenticated) {
      await this.storage.clearConfig(this.currentSession.currentHotelId);
      await this.storage.clearSkillRegistry(this.currentSession.currentHotelId);
    }
    await this.storage.clearSession();
    this.currentSession = { authenticated: false };
    this.localSkills = [];
    return this.currentSession;
  }

  async switchHotel(hotelId: string): Promise<YinianAuthSession> {
    if (!this.currentSession.authenticated) {
      throw new Error('请先登录');
    }

    const hotel = MOCK_HOTELS.find((item) => item.id === hotelId);
    if (!hotel) {
      throw new Error('工作空间不存在或未开通');
    }

    this.currentSession = {
      ...this.currentSession,
      currentHotelId: hotel.id,
    };
    await this.persistCurrentSession();
    const registry = await this.storage.getSkillRegistry(hotel.id);
    this.localSkills = registry && 'skills' in registry ? registry.skills : [];
    return this.currentSession;
  }

  async getConfigSnapshot(): Promise<YinianConfigSnapshot> {
    if (!this.currentSession.authenticated) {
      throw new Error('请先登录');
    }

    const currentHotelId = this.currentSession.currentHotelId;
    const hotel = this.currentSession.hotels.find((item) => item.id === currentHotelId)
      ?? this.currentSession.hotels[0];

    const snapshot = {
      serverTime: Date.now(),
      user: this.currentSession.user,
      hotel,
      hotels: this.currentSession.hotels,
      entitlements: [
        {
          skillId: 'data-check',
          name: '数据检查助手',
          version: '1.0.0',
          enabled: true,
          category: 'ota-monitoring',
          triggers: ['manual', 'scheduled'],
          lastRunAt: Date.now() - 48 * 60 * 1000,
        },
        {
          skillId: 'workflow-check',
          name: '流程检查助手',
          version: '1.0.0',
          enabled: true,
          category: 'ops-automation',
          triggers: ['manual', 'scheduled'],
          lastRunAt: Date.now() - 55 * 60 * 1000,
        },
        {
          skillId: 'daily-report',
          name: '日报生成助手',
          version: '0.1.0',
          enabled: true,
          category: 'reporting',
          triggers: ['manual', 'scheduled'],
          lastRunAt: Date.now() - 2 * 60 * 60 * 1000,
        },
        {
          skillId: 'customer-reply-helper',
          name: '客户回复助手',
          version: '0.1.0',
          enabled: true,
          category: 'guest-comm',
          triggers: ['manual', 'reply'],
        },
      ],
      notificationChannels: [
        {
          id: 'ch_wecom_ops',
          kind: 'wecom',
          label: '业务通知群',
          recipient: '当前组织空间通知群',
          enabled: true,
          source: 'nianxx',
        },
        {
          id: 'ch_desktop',
          kind: 'desktop',
          label: '本机桌面通知',
          recipient: '当前设备',
          enabled: true,
          source: 'kernel',
        },
      ],
      featureFlags: {
        yinianTodayPage: true,
        autoUpdateSkills: true,
        reviewReplyHelper: true,
      },
      uiPolicy: {
        defaultPage: 'today',
        showAdvancedSettings: false,
      },
    };
    await this.storage.setConfig(snapshot);
    return snapshot;
  }

  async syncSkills(): Promise<YinianSkillSyncResult> {
    const config = await this.getConfigSnapshot();
    const now = Date.now();

    const previousRegistry = await this.storage.getSkillRegistry(config.hotel.id);
    const previousSkills = previousRegistry && 'skills' in previousRegistry ? previousRegistry.skills : this.localSkills;
    this.localSkills = config.entitlements.map((skill) => {
      const previous = previousSkills.find((item) => item.skillId === skill.skillId);
      return {
        skillId: skill.skillId,
        name: skill.name,
        version: skill.version,
        enabled: skill.enabled,
        installedAt: previous?.installedAt ?? now,
        lastSyncedAt: now,
        status: previous?.version === skill.version ? 'skipped' : previous ? 'updated' : 'installed',
        source: 'mock',
        bundleSha256: `mock-${skill.skillId}-${skill.version}`,
      };
    });
    await this.storage.setSkillRegistry({
      hotelId: config.hotel.id,
      updatedAt: now,
      skills: this.localSkills,
    });

    return {
      hotelId: config.hotel.id,
      syncedAt: now,
      skills: this.localSkills,
    };
  }

  async listLocalSkills(): Promise<YinianLocalSkill[]> {
    if (this.currentSession.authenticated) {
      const registry = await this.storage.getSkillRegistry(this.currentSession.currentHotelId);
      if (registry && 'skills' in registry) {
        this.localSkills = registry.skills;
      }
    }
    return this.localSkills;
  }

  async getSkillRegistry(hotelId?: string) {
    return this.storage.getSkillRegistry(hotelId);
  }

  private async persistCurrentSession(): Promise<void> {
    if (!this.currentSession.authenticated) return;
    await this.storage.setSession({
      mode: 'mock',
      user: this.currentSession.user,
      hotels: this.currentSession.hotels,
      currentHotelId: this.currentSession.currentHotelId,
      accessTokenExpiresAt: this.currentSession.accessTokenExpiresAt,
      updatedAt: Date.now(),
    });
  }
}