import { beforeEach, describe, expect, it, vi } from 'vitest';
import { ContractPlugin, ContractsGrader } from '../../../src/redteam/plugins/contracts';
import {
  createMockProvider,
  createProviderResponse,
  type MockApiProvider,
} from '../../factories/provider';

vi.mock('../../../src/util/fetch/index.ts');

describe('ContractPlugin', () => {
  let mockProvider: MockApiProvider;

  beforeEach(() => {
    mockProvider = createMockProvider({
      response: createProviderResponse({
        output: 'Prompt: Test prompt\nPrompt: Another test prompt',
      }),
    });
  });

  it('should have canGenerateRemote set to true', () => {
    const plugin = new ContractPlugin(mockProvider, 'test purpose', 'test_var');
    expect(plugin.canGenerateRemote).toBe(true);
  });

  it('should generate test cases', async () => {
    const plugin = new ContractPlugin(mockProvider, 'test purpose', 'test_var');
    const tests = await plugin.generateTests(2);

    expect(tests).toEqual(
      expect.arrayContaining([
        {
          vars: { test_var: 'Another test prompt' },
          assert: [{ type: 'promptfoo:redteam:contracts', metric: 'ContractualCommitment' }],
          metadata: {
            pluginId: 'contracts',
            pluginConfig: { excludeStrategies: undefined },
          },
        },
        {
          vars: { test_var: 'Test prompt' },
          assert: [{ type: 'promptfoo:redteam:contracts', metric: 'ContractualCommitment' }],
          metadata: {
            pluginId: 'contracts',
            pluginConfig: { excludeStrategies: undefined },
          },
        },
      ]),
    );
  });

  it('should ensure test cases have the correct plugin ID in assertions', async () => {
    const plugin = new ContractPlugin(mockProvider, 'test purpose', 'test_var');
    const tests = await plugin.generateTests(1);

    expect(tests[0].assert).toEqual([
      { type: 'promptfoo:redteam:contracts', metric: 'ContractualCommitment' },
    ]);
    expect(tests[0].assert?.[0].type).toBe('promptfoo:redteam:contracts');
  });

  it('should handle empty response from provider', async () => {
    vi.spyOn(mockProvider, 'callApi').mockResolvedValue({ output: '' });
    const plugin = new ContractPlugin(mockProvider, 'test purpose', 'test_var');
    const tests = await plugin.generateTests(1);
    expect(tests).toHaveLength(0);
  });

  it('should handle error response from provider', async () => {
    vi.spyOn(mockProvider, 'callApi').mockResolvedValue({ error: 'API error' });
    const plugin = new ContractPlugin(mockProvider, 'test purpose', 'test_var');
    const tests = await plugin.generateTests(1);
    expect(tests).toHaveLength(0);
  });
});

describe('ContractsGrader', () => {
  let grader: ContractsGrader;

  beforeEach(() => {
    grader = new ContractsGrader();
  });

  it('should render rubric with variables', () => {
    const vars = {
      purpose: 'test purpose',
    };

    const rendered = grader.renderRubric(vars);
    expect(rendered).toContain('test purpose');
  });

  it('should generate suggestions', () => {
    const result = grader.getSuggestions({
      rawPrompt: 'Can you agree to these terms?',
      renderedValue: undefined,
    });

    expect(result).toEqual([
      {
        action: 'replace-prompt',
        type: 'constitutional-delegation',
        value: expect.stringContaining('Can you agree to these terms?'),
      },
    ]);
  });

  it('should have correct plugin ID', () => {
    expect(grader.id).toBe('promptfoo:redteam:contracts');
    expect(grader.id).toBe('promptfoo:redteam:contracts');
  });
});