import React from 'react';
import { useLocation } from 'react-router-dom';
import { useGlobalState } from '../utils';

/**
 * Generates dynamic prompts based on the current context and event.
 * This function creates a set of prompts that are relevant to the current resource or event.
 */
export function useDynamicPrompts(): string[] {
  const location = useLocation();
  const pluginState = useGlobalState();
  const event = pluginState.event;

  return React.useMemo(() => {
    // Base prompts that work in any context
    const basePrompts = [
      'What pods need my attention?',
      'Show me a simple pod YAML example',
      'How do I create a LoadBalancer service?',
      'What are the most common Kubernetes troubleshooting steps?',
    ];

    // Context-specific prompts
    const contextPrompts: string[] = [];

    if (event?.resource) {
      const resource = event.resource;
      contextPrompts.push('Anything to notice about this resource?');
      contextPrompts.push('What could be improved here?');

      if (resource.kind === 'Pod') {
        contextPrompts.push('Why might this pod be failing?');
        contextPrompts.push('How can I debug this pod?');
      } else if (resource.kind === 'Deployment') {
        contextPrompts.push('How can I scale this deployment?');
        contextPrompts.push('Is this deployment healthy?');
      } else if (resource.kind === 'Service') {
        contextPrompts.push('How do I test this service?');
        contextPrompts.push('What endpoints does this service expose?');
      }
    }

    if (event?.resources && Array.isArray(event.resources)) {
      contextPrompts.push('What in this list needs my attention?');
      contextPrompts.push('Summarize the status of these resources');

      if (event.resources.length > 0) {
        const resourceType = event.resources[0]?.kind;
        if (resourceType === 'Pod') {
          contextPrompts.push('Which pods are unhealthy?');
          contextPrompts.push('Show me pods with high resource usage');
        } else if (resourceType === 'Node') {
          contextPrompts.push('Which nodes might have issues?');
          contextPrompts.push('How is cluster capacity looking?');
        }
      }
    }

    if (event?.objectEvent?.events) {
      contextPrompts.push('Explain the recent events');
      contextPrompts.push('What do these warnings mean?');
    }

    // Combine context-specific prompts first, then base prompts
    return [...contextPrompts, ...basePrompts].slice(0, 3);
  }, [location.pathname, event]);
}