import React from 'react';
import { render, screen, fireEvent } from '@testing-library/react';
import {
  DEFAULT_SKILLS,
  DEFAULT_TOOLS,
  AGENTS,
  loadStoredSkills,
  saveStoredSkills,
  loadStoredTools,
  loadActiveAgentId,
  saveActiveAgentId,
} from '@/pages/doormile/settings/agentStudio/agentRegistryData';
// Stub lucide-react ESM exports for Jest
jest.mock('lucide-react', () => {
  return new Proxy(
    {},
    {
      get: (target, prop) => {
        if (prop === '__esModule') return true;
        return (props) => <span data-testid={`icon-${String(prop)}`} {...props} />;
      },
    }
  );
});

// Stub framer-motion layout animations for jsdom
jest.mock('framer-motion', () => ({
  motion: {
    div: ({ children, ...rest }) => <div {...rest}>{children}</div>,
    span: ({ children, ...rest }) => <span {...rest}>{children}</span>,
  },
  AnimatePresence: ({ children }) => <>{children}</>,
}));

import SkillCard from '@/pages/doormile/settings/agentStudio/SkillCard';
import SkillCardsGrid from '@/pages/doormile/settings/agentStudio/SkillCardsGrid';
import ToolRegistryView from '@/pages/doormile/settings/agentStudio/ToolRegistryView';

describe('Agent Studio — Data Layer & Persistence', () => {
  beforeEach(() => {
    localStorage.clear();
  });

  it('pre-seeds default agents and surfaces correctly', () => {
    expect(AGENTS.length).toBeGreaterThanOrEqual(2);
    expect(AGENTS.some((a) => a.name === 'MileTruth AI Agent')).toBe(true);
    expect(AGENTS.some((a) => a.name === 'MileTruth AI Dispatcher')).toBe(true);
  });

  it('pre-seeds default skills matching reference image', () => {
    expect(DEFAULT_SKILLS.some((s) => s.title === 'MileTruth Skill Management')).toBe(true);
    expect(DEFAULT_SKILLS.some((s) => s.title === 'Learning Analysis')).toBe(true);
    const learningSkill = DEFAULT_SKILLS.find((s) => s.title === 'Learning Analysis');
    expect(learningSkill.prompt).toBe('How is training progressing?');
    expect(learningSkill.category).toBe('WORKFORCE');
  });

  it('persists modified skills to localStorage and restores them', () => {
    const customSkill = {
      id: 'custom-skill-1',
      title: 'Custom Automation Skill',
      category: 'LOGISTICS',
      scope: 'agent',
      enabled: true,
      description: 'Test custom capability',
      tools: ['create_single_order'],
    };

    saveStoredSkills([customSkill]);
    const restored = loadStoredSkills();
    expect(restored.length).toBe(1);
    expect(restored[0].title).toBe('Custom Automation Skill');
  });

  it('saves and loads active agent id', () => {
    saveActiveAgentId('miletruth-agent');
    expect(loadActiveAgentId()).toBe('miletruth-agent');
  });
});

describe('Agent Studio — SkillCard Component', () => {
  const sampleSkill = {
    id: 'test-skill-1',
    title: 'MileTruth Skill Management',
    category: 'AUTHORING',
    scope: 'agent',
    integration: 'MileTruth AI',
    enabled: true,
    description: 'Create workforce skills, training and verification in MileTruth AI.',
    prompt: 'How is training progressing?',
    tools: ['open_add_training'],
  };

  it('renders title, description, category, and prompt trigger bubble', () => {
    render(<SkillCard skill={sampleSkill} onTest={() => {}} onDetails={() => {}} />);

    expect(screen.getByText('MileTruth Skill Management')).toBeInTheDocument();
    expect(
      screen.getByText('Create workforce skills, training and verification in MileTruth AI.')
    ).toBeInTheDocument();
    expect(screen.getByText('AUTHORING')).toBeInTheDocument();
    expect(screen.getByText('"How is training progressing?"')).toBeInTheDocument();
    expect(screen.getByText('MileTruth AI')).toBeInTheDocument();
  });

  it('fires onTest when Test in Playground is clicked', () => {
    const handleTest = jest.fn();
    render(<SkillCard skill={sampleSkill} onTest={handleTest} onDetails={() => {}} />);

    const testBtn = screen.getByText('Test in Playground');
    fireEvent.click(testBtn);
    expect(handleTest).toHaveBeenCalledWith(sampleSkill);
  });

  it('fires onDetails when Details button is clicked', () => {
    const handleDetails = jest.fn();
    render(<SkillCard skill={sampleSkill} onTest={() => {}} onDetails={handleDetails} />);

    const detailsBtn = screen.getByText('Details');
    fireEvent.click(detailsBtn);
    expect(handleDetails).toHaveBeenCalledWith(sampleSkill);
  });
});

describe('Agent Studio — SkillCardsGrid Component', () => {
  it('renders skill cards and filters by search query', () => {
    render(
      <SkillCardsGrid
        skills={DEFAULT_SKILLS}
        activeAgent={AGENTS[0]}
        onTestSkill={() => {}}
        onOpenDetails={() => {}}
        onNewSkill={() => {}}
      />
    );

    expect(screen.getByText('MileTruth Skill Management')).toBeInTheDocument();
    expect(screen.getByText('Learning Analysis')).toBeInTheDocument();

    const searchInput = screen.getByPlaceholderText('Search skills, capabilities or pages...');
    fireEvent.change(searchInput, { target: { value: 'Learning' } });

    expect(screen.queryByText('MileTruth Skill Management')).not.toBeInTheDocument();
    expect(screen.getByText('Learning Analysis')).toBeInTheDocument();
  });

  it('filters by category pill selection', () => {
    render(
      <SkillCardsGrid
        skills={DEFAULT_SKILLS}
        activeAgent={AGENTS[0]}
        onTestSkill={() => {}}
        onOpenDetails={() => {}}
        onNewSkill={() => {}}
      />
    );

    // Click 'Authoring' category pill
    const authoringPill = screen.getByText('Authoring');
    fireEvent.click(authoringPill);

    expect(screen.getByText('MileTruth Skill Management')).toBeInTheDocument();
    expect(screen.queryByText('Learning Analysis')).not.toBeInTheDocument();
  });

  it('triggers onNewSkill when clicking New skill button', () => {
    const handleNewSkill = jest.fn();
    render(
      <SkillCardsGrid
        skills={DEFAULT_SKILLS}
        activeAgent={AGENTS[0]}
        onTestSkill={() => {}}
        onOpenDetails={() => {}}
        onNewSkill={handleNewSkill}
      />
    );

    const newSkillBtn = screen.getByText('New skill');
    fireEvent.click(newSkillBtn);
    expect(handleNewSkill).toHaveBeenCalled();
  });
});

describe('Agent Studio — ToolRegistryView Component', () => {
  it('renders tool registry table and displays argument schemas', () => {
    render(<ToolRegistryView tools={DEFAULT_TOOLS} />);

    expect(screen.getByText('open_add_skill_training')).toBeInTheDocument();
    expect(screen.getByText('create_single_order')).toBeInTheDocument();
    expect(screen.getByText('rebalance_riders')).toBeInTheDocument();
  });

  it('filters tool list by search input', () => {
    render(<ToolRegistryView tools={DEFAULT_TOOLS} />);

    const searchInput = screen.getByPlaceholderText(
      'Filter tools by function name, category or description...'
    );
    fireEvent.change(searchInput, { target: { value: 'rebalance' } });

    expect(screen.getByText('rebalance_riders')).toBeInTheDocument();
    expect(screen.queryByText('open_add_skill_training')).not.toBeInTheDocument();
  });
});