import { beforeEach, describe, expect, it, vi } from 'vitest'
import { createHttpClientWithSpies } from '../../tests/test-utils'
import { ValidationError } from '../errors/dify-error'
import { ChatClient } from './chat'

describe('ChatClient', () => {
  beforeEach(() => {
    vi.restoreAllMocks()
  })

  it('creates chat messages in blocking mode', async () => {
    const { client, request } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    await chat.createChatMessage({ input: 'x' }, 'hello', 'user', false, null)

    expect(request).toHaveBeenCalledWith({
      method: 'POST',
      path: '/chat-messages',
      data: {
        inputs: { input: 'x' },
        query: 'hello',
        user: 'user',
        response_mode: 'blocking',
        files: undefined,
      },
    })
  })

  it('creates chat messages in streaming mode', async () => {
    const { client, requestStream } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    await chat.createChatMessage({
      inputs: { input: 'x' },
      query: 'hello',
      user: 'user',
      response_mode: 'streaming',
    })

    expect(requestStream).toHaveBeenCalledWith({
      method: 'POST',
      path: '/chat-messages',
      data: {
        inputs: { input: 'x' },
        query: 'hello',
        user: 'user',
        response_mode: 'streaming',
      },
    })
  })

  it('stops chat messages', async () => {
    const { client, request } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    await chat.stopChatMessage('task', 'user')
    await chat.stopMessage('task', 'user')

    expect(request).toHaveBeenCalledWith({
      method: 'POST',
      path: '/chat-messages/task/stop',
      data: { user: 'user' },
    })
  })

  it('gets suggested questions', async () => {
    const { client, request } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    await chat.getSuggested('msg', 'user')

    expect(request).toHaveBeenCalledWith({
      method: 'GET',
      path: '/messages/msg/suggested',
      query: { user: 'user' },
    })
  })

  it('submits message feedback', async () => {
    const { client, request } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    await chat.messageFeedback('msg', 'like', 'user', 'good')
    await chat.messageFeedback({
      messageId: 'msg',
      user: 'user',
      rating: 'dislike',
    })

    expect(request).toHaveBeenCalledWith({
      method: 'POST',
      path: '/messages/msg/feedbacks',
      data: { user: 'user', rating: 'like', content: 'good' },
    })
  })

  it('lists app feedbacks', async () => {
    const { client, request } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    await chat.getAppFeedbacks(2, 5)

    expect(request).toHaveBeenCalledWith({
      method: 'GET',
      path: '/app/feedbacks',
      query: { page: 2, limit: 5 },
    })
  })

  it('lists conversations and messages', async () => {
    const { client, request } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    await chat.getConversations('user', 'last', 10, '-updated_at')
    await chat.getConversationMessages('user', 'conv', 'first', 5)

    expect(request).toHaveBeenCalledWith({
      method: 'GET',
      path: '/conversations',
      query: {
        user: 'user',
        last_id: 'last',
        limit: 10,
        sort_by: '-updated_at',
      },
    })
    expect(request).toHaveBeenCalledWith({
      method: 'GET',
      path: '/messages',
      query: {
        user: 'user',
        conversation_id: 'conv',
        first_id: 'first',
        limit: 5,
      },
    })
  })

  it('renames conversations with optional auto-generate', async () => {
    const { client, request } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    await chat.renameConversation('conv', 'name', 'user', false)
    await chat.renameConversation('conv', 'user', { autoGenerate: true })

    expect(request).toHaveBeenCalledWith({
      method: 'POST',
      path: '/conversations/conv/name',
      data: { user: 'user', auto_generate: false, name: 'name' },
    })
    expect(request).toHaveBeenCalledWith({
      method: 'POST',
      path: '/conversations/conv/name',
      data: { user: 'user', auto_generate: true },
    })
  })

  it('requires name when autoGenerate is false', () => {
    const { client } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    expect(() => chat.renameConversation('conv', '', 'user', false)).toThrow(ValidationError)
  })

  it('deletes conversations', async () => {
    const { client, request } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    await chat.deleteConversation('conv', 'user')

    expect(request).toHaveBeenCalledWith({
      method: 'DELETE',
      path: '/conversations/conv',
      data: { user: 'user' },
    })
  })

  it('manages conversation variables', async () => {
    const { client, request } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    await chat.getConversationVariables('conv', 'user', 'last', 10, 'name')
    await chat.updateConversationVariable('conv', 'var', 'user', 'value')

    expect(request).toHaveBeenCalledWith({
      method: 'GET',
      path: '/conversations/conv/variables',
      query: {
        user: 'user',
        last_id: 'last',
        limit: 10,
        variable_name: 'name',
      },
    })
    expect(request).toHaveBeenCalledWith({
      method: 'PUT',
      path: '/conversations/conv/variables/var',
      data: { user: 'user', value: 'value' },
    })
  })

  it('handles annotation APIs', async () => {
    const { client, request } = createHttpClientWithSpies()
    const chat = new ChatClient(client)

    await chat.annotationReplyAction('enable', {
      score_threshold: 0.5,
      embedding_provider_name: 'prov',
      embedding_model_name: 'model',
    })
    await chat.getAnnotationReplyStatus('enable', 'job')
    await chat.listAnnotations({ page: 1, limit: 10, keyword: 'k' })
    await chat.createAnnotation({ question: 'q', answer: 'a' })
    await chat.updateAnnotation('id', { question: 'q', answer: 'a' })
    await chat.deleteAnnotation('id')

    expect(request).toHaveBeenCalledWith({
      method: 'POST',
      path: '/apps/annotation-reply/enable',
      data: {
        score_threshold: 0.5,
        embedding_provider_name: 'prov',
        embedding_model_name: 'model',
      },
    })
    expect(request).toHaveBeenCalledWith({
      method: 'GET',
      path: '/apps/annotation-reply/enable/status/job',
    })
    expect(request).toHaveBeenCalledWith({
      method: 'GET',
      path: '/apps/annotations',
      query: { page: 1, limit: 10, keyword: 'k' },
    })
  })
})