import * as plugins from './plugins.js';
import * as interfaces from '../dist_ts_interfaces/index.js';

// Create main app state instance
export const appState = new plugins.domtools.plugins.smartstate.Smartstate();

// Define state interfaces
export interface ILoginState {
  identity: interfaces.data.IIdentity | null;
  isLoggedIn: boolean;
}

export interface IStatsState {
  serverStats: interfaces.data.IServerStats | null;
  emailStats: interfaces.data.IEmailStats | null;
  dnsStats: interfaces.data.IDnsStats | null;
  securityMetrics: interfaces.data.ISecurityMetrics | null;
  lastUpdated: number;
  isLoading: boolean;
  error: string | null;
}

export interface IConfigState {
  config: any | null;
  isLoading: boolean;
  error: string | null;
}

export interface IUiState {
  activeView: string;
  sidebarCollapsed: boolean;
  autoRefresh: boolean;
  refreshInterval: number; // milliseconds
  theme: 'light' | 'dark';
}

export interface ILogState {
  recentLogs: interfaces.data.ILogEntry[];
  isStreaming: boolean;
  filters: {
    level?: string[];
    category?: string[];
  };
}

// Create state parts with appropriate persistence
export const loginStatePart = await appState.getStatePart<ILoginState>(
  'login',
  {
    identity: null,
    isLoggedIn: false,
  },
  'persistent' // Login state persists across sessions
);

export const statsStatePart = await appState.getStatePart<IStatsState>(
  'stats',
  {
    serverStats: null,
    emailStats: null,
    dnsStats: null,
    securityMetrics: null,
    lastUpdated: 0,
    isLoading: false,
    error: null,
  },
  'soft' // Stats are cached but not persisted
);

export const configStatePart = await appState.getStatePart<IConfigState>(
  'config',
  {
    config: null,
    isLoading: false,
    error: null,
  },
  'soft'
);

export const uiStatePart = await appState.getStatePart<IUiState>(
  'ui',
  {
    activeView: 'dashboard',
    sidebarCollapsed: false,
    autoRefresh: true,
    refreshInterval: 30000, // 30 seconds
    theme: 'light',
  },
  'persistent' // UI preferences persist
);

export const logStatePart = await appState.getStatePart<ILogState>(
  'logs',
  {
    recentLogs: [],
    isStreaming: false,
    filters: {},
  },
  'soft'
);

// Actions for state management
interface IActionContext {
  identity: interfaces.data.IIdentity | null;
}

const getActionContext = (): IActionContext => {
  return {
    identity: loginStatePart.getState().identity,
  };
};

// Login Action
export const loginAction = loginStatePart.createAction<{
  username: string;
  password: string;
}>(async (statePartArg, dataArg) => {
  const typedRequest = new plugins.domtools.plugins.typedrequest.TypedRequest<
    interfaces.requests.IReq_AdminLoginWithUsernameAndPassword
  >('/typedrequest', 'adminLoginWithUsernameAndPassword');

  try {
    const response = await typedRequest.fire({
      username: dataArg.username,
      password: dataArg.password,
    });

    if (response.identity) {
      return {
        identity: response.identity,
        isLoggedIn: true,
      };
    }
    return statePartArg.getState();
  } catch (error) {
    console.error('Login failed:', error);
    return statePartArg.getState();
  }
});

// Logout Action
export const logoutAction = loginStatePart.createAction(async (statePartArg) => {
  const context = getActionContext();
  if (!context.identity) return statePartArg.getState();

  const typedRequest = new plugins.domtools.plugins.typedrequest.TypedRequest<
    interfaces.requests.IReq_AdminLogout
  >('/typedrequest', 'adminLogout');

  try {
    await typedRequest.fire({
      identity: context.identity,
    });
  } catch (error) {
    console.error('Logout error:', error);
  }

  // Clear login state regardless
  return {
    identity: null,
    isLoggedIn: false,
  };
});

// Fetch All Stats Action
export const fetchAllStatsAction = statsStatePart.createAction(async (statePartArg) => {
  const context = getActionContext();
  
  const currentState = statePartArg.getState();

  try {
    // Fetch server stats
    const serverStatsRequest = new plugins.domtools.plugins.typedrequest.TypedRequest<
      interfaces.requests.IReq_GetServerStatistics
    >('/typedrequest', 'getServerStatistics');
    
    const serverStatsResponse = await serverStatsRequest.fire({
      identity: context.identity,
      includeHistory: false,
    });

    // Fetch email stats
    const emailStatsRequest = new plugins.domtools.plugins.typedrequest.TypedRequest<
      interfaces.requests.IReq_GetEmailStatistics
    >('/typedrequest', 'getEmailStatistics');
    
    const emailStatsResponse = await emailStatsRequest.fire({
      identity: context.identity,
    });

    // Fetch DNS stats
    const dnsStatsRequest = new plugins.domtools.plugins.typedrequest.TypedRequest<
      interfaces.requests.IReq_GetDnsStatistics
    >('/typedrequest', 'getDnsStatistics');
    
    const dnsStatsResponse = await dnsStatsRequest.fire({
      identity: context.identity,
    });

    // Fetch security metrics
    const securityRequest = new plugins.domtools.plugins.typedrequest.TypedRequest<
      interfaces.requests.IReq_GetSecurityMetrics
    >('/typedrequest', 'getSecurityMetrics');
    
    const securityResponse = await securityRequest.fire({
      identity: context.identity,
    });

    // Update state with all stats
    return {
      serverStats: serverStatsResponse.stats,
      emailStats: emailStatsResponse.stats,
      dnsStats: dnsStatsResponse.stats,
      securityMetrics: securityResponse.metrics,
      lastUpdated: Date.now(),
      isLoading: false,
      error: null,
    };
  } catch (error) {
    return {
      ...currentState,
      isLoading: false,
      error: error.message || 'Failed to fetch statistics',
    };
  }
});

// Fetch Configuration Action
export const fetchConfigurationAction = configStatePart.createAction(async (statePartArg) => {
  const context = getActionContext();
  
  const currentState = statePartArg.getState();

  try {
    const configRequest = new plugins.domtools.plugins.typedrequest.TypedRequest<
      interfaces.requests.IReq_GetConfiguration
    >('/typedrequest', 'getConfiguration');
    
    const response = await configRequest.fire({
      identity: context.identity,
    });

    return {
      config: response.config,
      isLoading: false,
      error: null,
    };
  } catch (error) {
    return {
      ...currentState,
      isLoading: false,
      error: error.message || 'Failed to fetch configuration',
    };
  }
});

// Update Configuration Action
export const updateConfigurationAction = configStatePart.createAction<{
  section: string;
  config: any;
}>(async (statePartArg, dataArg) => {
  const context = getActionContext();
  if (!context.identity) {
    throw new Error('Must be logged in to update configuration');
  }

  const updateRequest = new plugins.domtools.plugins.typedrequest.TypedRequest<
    interfaces.requests.IReq_UpdateConfiguration
  >('/typedrequest', 'updateConfiguration');

  const response = await updateRequest.fire({
    identity: context.identity,
    section: dataArg.section,
    config: dataArg.config,
  });

  if (response.updated) {
    // Refresh configuration
    await configStatePart.dispatchAction(fetchConfigurationAction, null);
    return statePartArg.getState();
  }

  return statePartArg.getState();
});

// Fetch Recent Logs Action
export const fetchRecentLogsAction = logStatePart.createAction<{
  limit?: number;
  level?: 'debug' | 'info' | 'warn' | 'error';
  category?: 'smtp' | 'dns' | 'security' | 'system' | 'email';
}>(async (statePartArg, dataArg) => {
  const context = getActionContext();

  const logsRequest = new plugins.domtools.plugins.typedrequest.TypedRequest<
    interfaces.requests.IReq_GetRecentLogs
  >('/typedrequest', 'getRecentLogs');

  const response = await logsRequest.fire({
    identity: context.identity,
    limit: dataArg.limit || 100,
    level: dataArg.level,
    category: dataArg.category,
  });

  return {
    ...statePartArg.getState(),
    recentLogs: response.logs,
  };
});

// Toggle Auto Refresh Action
export const toggleAutoRefreshAction = uiStatePart.createAction(async (statePartArg) => {
  const currentState = statePartArg.getState();
  return {
    ...currentState,
    autoRefresh: !currentState.autoRefresh,
  };
});

// Set Active View Action
export const setActiveViewAction = uiStatePart.createAction<string>(async (statePartArg, viewName) => {
  const currentState = statePartArg.getState();
  return {
    ...currentState,
    activeView: viewName,
  };
});

// Initialize auto-refresh
let refreshInterval: NodeJS.Timeout | null = null;

// Initialize auto-refresh when UI state is ready
(() => {
  const startAutoRefresh = () => {
    const uiState = uiStatePart.getState();
    if (uiState.autoRefresh && loginStatePart.getState().isLoggedIn) {
      refreshInterval = setInterval(() => {
        statsStatePart.dispatchAction(fetchAllStatsAction, null);
      }, uiState.refreshInterval);
    }
  };

  const stopAutoRefresh = () => {
    if (refreshInterval) {
      clearInterval(refreshInterval);
      refreshInterval = null;
    }
  };

  // Watch for changes
  uiStatePart.state.subscribe(() => {
    stopAutoRefresh();
    startAutoRefresh();
  });

  loginStatePart.state.subscribe(() => {
    stopAutoRefresh();
    startAutoRefresh();
  });

  // Initial start
  startAutoRefresh();
})();