import * as React from 'react';
import { useEffect, useMemo } from 'react';
import { getIsRemoteMode } from '../../bootstrap/state.js';
import { useNotifications } from '../../context/notifications.js';
import { Text } from '@anthropic/ink';
import { useAppState } from '../../state/AppState.js';
import { logForDebugging } from '../../utils/debug.js';
import { plural } from '../../utils/stringUtils.js';

export function usePluginInstallationStatus(): void {
  const { addNotification } = useNotifications();
  const installationStatus = useAppState(s => s.plugins.installationStatus);

  // Memoize the failed counts to prevent unnecessary effect triggers
  const { totalFailed, failedMarketplacesCount, failedPluginsCount } = useMemo(() => {
    if (!installationStatus) {
      return {
        totalFailed: 0,
        failedMarketplacesCount: 0,
        failedPluginsCount: 0,
      };
    }

    const failedMarketplaces = installationStatus.marketplaces.filter(m => m.status === 'failed');
    const failedPlugins = installationStatus.plugins.filter(p => p.status === 'failed');

    return {
      totalFailed: failedMarketplaces.length + failedPlugins.length,
      failedMarketplacesCount: failedMarketplaces.length,
      failedPluginsCount: failedPlugins.length,
    };
  }, [installationStatus]);

  useEffect(() => {
    if (getIsRemoteMode()) return;
    if (!installationStatus) {
      logForDebugging('No installation status to monitor');
      return;
    }

    if (totalFailed === 0) {
      return;
    }

    logForDebugging(
      `Plugin installation status: ${failedMarketplacesCount} failed marketplaces, ${failedPluginsCount} failed plugins`,
    );

    if (totalFailed === 0) {
      return;
    }

    // Add notification for failures
    logForDebugging(`Adding notification for ${totalFailed} failed installations`);
    addNotification({
      key: 'plugin-install-failed',
      jsx: (
        <>
          <Text color="error">
            {totalFailed} {plural(totalFailed, 'plugin')} failed to install
          </Text>
          <Text dimColor> · /plugin for details</Text>
        </>
      ),
      priority: 'medium',
    });
  }, [addNotification, totalFailed, failedMarketplacesCount, failedPluginsCount]);
}
