import { describe, expect, it } from 'vitest';

import { FormComponentType, getDisplayOnlyFieldNames } from './form.js';
import type { FormTemplate } from './form.js';

describe('getDisplayOnlyFieldNames', () => {
  it('returns ALERT field names', () => {
    const template: FormTemplate = {
      sections: [
        {
          name: 'auth',
          items: [
            {
              name: 'HTTPBasicAlert',
              label: '',
              startVersion: '1',
              componentType: FormComponentType.ALERT,
              messageTemplate: 'some info'
            }
          ]
        }
      ]
    };
    expect(getDisplayOnlyFieldNames(template)).toEqual(new Set(['HTTPBasicAlert']));
  });

  it('returns BUTTON field names', () => {
    const template: FormTemplate = {
      sections: [
        {
          name: 'authButtons',
          items: [
            {
              rowItems: [
                {
                  name: 'oauth-connect-button',
                  label: 'Connect',
                  startVersion: '1',
                  componentType: FormComponentType.BUTTON,
                  buttonType: 'connectOAuth'
                },
                {
                  name: 'oauth-revoke-shared-tokens-button',
                  label: 'Revoke',
                  startVersion: '1',
                  componentType: FormComponentType.BUTTON,
                  buttonType: 'revokeOAuthTokens'
                }
              ]
            }
          ]
        }
      ]
    };
    expect(getDisplayOnlyFieldNames(template)).toEqual(new Set(['oauth-connect-button', 'oauth-revoke-shared-tokens-button']));
  });

  it('returns disabled + immutable INPUT_TEXT field names', () => {
    const template: FormTemplate = {
      sections: [
        {
          name: 'auth',
          items: [
            {
              name: 'oauth-callback-alert',
              label: 'Callback URL',
              startVersion: '1',
              componentType: FormComponentType.INPUT_TEXT,
              disabled: true,
              immutable: true,
              initialValue: 'https://example.com/oauth/callback'
            }
          ]
        }
      ]
    };
    expect(getDisplayOnlyFieldNames(template)).toEqual(new Set(['oauth-callback-alert']));
  });

  it('does not include regular INPUT_TEXT fields', () => {
    const template: FormTemplate = {
      sections: [
        {
          name: 'main',
          items: [
            {
              name: 'path',
              label: 'URL',
              startVersion: '1',
              componentType: FormComponentType.INPUT_TEXT
            }
          ]
        }
      ]
    };
    expect(getDisplayOnlyFieldNames(template).size).toBe(0);
  });

  it('does not include disabled-only fields without immutable', () => {
    const template: FormTemplate = {
      sections: [
        {
          name: 'main',
          items: [
            {
              name: 'path',
              label: 'URL',
              startVersion: '1',
              componentType: FormComponentType.INPUT_TEXT,
              disabled: true
            }
          ]
        }
      ]
    };
    expect(getDisplayOnlyFieldNames(template).size).toBe(0);
  });

  it('handles mixed sections with normal and display-only fields', () => {
    const template: FormTemplate = {
      sections: [
        {
          name: 'main',
          items: [
            {
              name: 'path',
              label: 'URL',
              startVersion: '1',
              componentType: FormComponentType.INPUT_TEXT
            },
            {
              name: 'OAuth2PasswordAlert',
              label: '',
              startVersion: '1',
              componentType: FormComponentType.ALERT
            }
          ]
        },
        {
          name: 'authButtons',
          items: [
            {
              rowItems: [
                {
                  name: 'oauth-connect-button',
                  label: 'Connect',
                  startVersion: '1',
                  componentType: FormComponentType.BUTTON,
                  buttonType: 'connectOAuth'
                }
              ]
            }
          ]
        }
      ]
    };
    const result = getDisplayOnlyFieldNames(template);
    expect(result).toEqual(new Set(['OAuth2PasswordAlert', 'oauth-connect-button']));
    expect(result.has('path')).toBe(false);
  });
});