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

import { merge } from '@/utils/merge';

import { UserState, initialState } from '../../../initialState';
import { UserStore, useUserStore } from '../../../store';
import { getDefaultModeProviderById, modelProviderSelectors } from './modelProvider';

describe('modelProviderSelectors', () => {
  describe('getDefaultModeProviderById', () => {
    it('should return the correct ModelProviderCard when provider ID matches', () => {
      const s = merge(initialState, {}) as unknown as UserStore;

      const result = getDefaultModeProviderById('openai')(s);
      expect(result).not.toBeUndefined();
    });

    it('should return undefined when provider ID does not exist', () => {
      const s = merge(initialState, {}) as unknown as UserStore;
      const result = getDefaultModeProviderById('nonExistingProvider')(s);
      expect(result).toBeUndefined();
    });
  });

  describe('getModelCardsById', () => {
    it('should return model cards including custom model cards', () => {
      const s = merge(initialState, {
        settings: {
          languageModel: {
            perplexity: {
              customModelCards: [{ id: 'custom-model', displayName: 'Custom Model' }],
            },
          },
        },
      } as UserState) as unknown as UserStore;

      const modelCards = modelProviderSelectors.getModelCardsById('perplexity')(s);

      expect(modelCards).toContainEqual({
        id: 'custom-model',
        displayName: 'Custom Model',
        isCustom: true,
      });
    });
  });

  describe('defaultEnabledProviderModels', () => {
    it('should return enabled models for a given provider', () => {
      const s = merge(initialState, {}) as unknown as UserStore;

      const result = modelProviderSelectors.getDefaultEnabledModelsById('openai')(s);
      expect(result).toEqual([
        'gpt-4.1-mini',
        'o1-mini',
        'o1-2024-12-17',
        'o1-preview',
        'gpt-4o-mini',
        'gpt-4o-2024-11-20',
        'gpt-4o',
        'chatgpt-4o-latest',
      ]);
    });

    it('should return undefined for a non-existing provider', () => {
      const s = merge(initialState, {}) as unknown as UserStore;

      const result = modelProviderSelectors.getDefaultEnabledModelsById('nonExistingProvider')(s);
      expect(result).toBeUndefined();
    });
  });
  describe('modelEnabledVision', () => {
    it('should return true if the model has vision ability', () => {
      const hasAbility = modelProviderSelectors.isModelEnabledVision('gpt-4-vision-preview')(
        useUserStore.getState(),
      );
      expect(hasAbility).toBeTruthy();
    });

    it('should return false if the model does not have vision ability', () => {
      const hasAbility = modelProviderSelectors.isModelEnabledVision('some-other-model')(
        useUserStore.getState(),
      );

      expect(hasAbility).toBeFalsy();
    });

    it('should return false if the model include vision in id', () => {
      const hasAbility = modelProviderSelectors.isModelEnabledVision('some-other-model-vision')(
        useUserStore.getState(),
      );

      expect(hasAbility).toBeTruthy();
    });
  });

  describe('modelEnabledFiles', () => {
    it('should return false if the model does not have file ability', () => {
      const enabledFiles = modelProviderSelectors.isModelEnabledFiles('gpt-4-vision-preview')(
        useUserStore.getState(),
      );
      expect(enabledFiles).toBeFalsy();
    });

    it.skip('should return true if the model has file ability', () => {
      const enabledFiles = modelProviderSelectors.isModelEnabledFiles('gpt-4-all')(
        useUserStore.getState(),
      );
      expect(enabledFiles).toBeTruthy();
    });
  });

  describe('modelHasMaxToken', () => {
    it('should return true if the model is in the list of models that show tokens', () => {
      const show = modelProviderSelectors.isModelHasMaxToken('gpt-3.5-turbo')(
        useUserStore.getState(),
      );
      expect(show).toBeTruthy();
    });

    it('should return false if the model is not in the list of models that show tokens', () => {
      const show = modelProviderSelectors.isModelHasMaxToken('some-other-model')(
        useUserStore.getState(),
      );
      expect(show).toBe(false);
    });
  });

  describe('modelMaxToken', () => {
    it('should return the correct token count for a model with specified tokens', () => {
      const model1Tokens = modelProviderSelectors.modelMaxToken('gpt-3.5-turbo')(
        useUserStore.getState(),
      );

      expect(model1Tokens).toEqual(16385);
    });

    it('should return 0 for a model without a specified token count', () => {
      // 测试未指定tokens属性的模型的tokens值，期望为0
      const tokens = modelProviderSelectors.modelMaxToken('chat-bison-001')(
        useUserStore.getState(),
      );
      expect(tokens).toEqual(0);
    });

    it('should return 0 for a non-existing model', () => {
      // 测试一个不存在的模型的tokens值，期望为0
      const tokens = modelProviderSelectors.modelMaxToken('nonExistingModel')(
        useUserStore.getState(),
      );

      expect(tokens).toEqual(0);
    });
  });
});