/**
 * API 客户端
 */
import axios, { AxiosInstance } from 'axios'
import type {
  VideoReviewRequest,
  VideoReviewResponse,
  ReviewProgressResponse,
  ReviewResultResponse,
} from '@/types/review'
import type {
  TaskResponse,
  TaskListResponse,
  TaskScriptUploadRequest,
  TaskVideoUploadRequest,
} from '@/types/task'

const API_BASE_URL = process.env.API_BASE_URL || 'http://localhost:8000'

class ApiClient {
  private client: AxiosInstance
  private tenantId: string = 'default'

  constructor() {
    this.client = axios.create({
      baseURL: `${API_BASE_URL}/api/v1`,
      timeout: 30000,
      headers: {
        'Content-Type': 'application/json',
      },
    })

    // 请求拦截器：添加租户 ID
    this.client.interceptors.request.use((config) => {
      config.headers['X-Tenant-ID'] = this.tenantId
      return config
    })

    // 响应拦截器：统一错误处理
    this.client.interceptors.response.use(
      (response) => response,
      (error) => {
        const message = error.response?.data?.detail || error.message || '请求失败'
        return Promise.reject(new Error(message))
      }
    )
  }

  setTenantId(tenantId: string) {
    this.tenantId = tenantId
  }

  // ==================== 视频审核 ====================

  /**
   * 提交视频审核
   */
  async submitVideoReview(data: VideoReviewRequest): Promise<VideoReviewResponse> {
    const response = await this.client.post<VideoReviewResponse>('/videos/review', {
      video_url: data.videoUrl,
      platform: data.platform,
      brand_id: data.brandId,
      creator_id: data.creatorId,
    })
    return response.data
  }

  /**
   * 查询审核进度
   */
  async getReviewProgress(reviewId: string): Promise<ReviewProgressResponse> {
    const response = await this.client.get<ReviewProgressResponse>(
      `/videos/review/${reviewId}/progress`
    )
    return response.data
  }

  /**
   * 查询审核结果
   */
  async getReviewResult(reviewId: string): Promise<ReviewResultResponse> {
    const response = await this.client.get<ReviewResultResponse>(
      `/videos/review/${reviewId}/result`
    )
    return response.data
  }

  // ==================== 审核任务 ====================

  /**
   * 查询任务列表
   */
  async listTasks(page: number = 1, pageSize: number = 20): Promise<TaskListResponse> {
    const response = await this.client.get<TaskListResponse>('/tasks', {
      params: { page, page_size: pageSize },
    })
    return response.data
  }

  /**
   * 查询任务详情
   */
  async getTask(taskId: string): Promise<TaskResponse> {
    const response = await this.client.get<TaskResponse>(`/tasks/${taskId}`)
    return response.data
  }

  /**
   * 上传/更新任务脚本
   */
  async uploadTaskScript(taskId: string, payload: TaskScriptUploadRequest): Promise<TaskResponse> {
    const response = await this.client.post<TaskResponse>(`/tasks/${taskId}/script`, payload)
    return response.data
  }

  /**
   * 上传/更新任务视频
   */
  async uploadTaskVideo(taskId: string, payload: TaskVideoUploadRequest): Promise<TaskResponse> {
    const response = await this.client.post<TaskResponse>(`/tasks/${taskId}/video`, payload)
    return response.data
  }

  // ==================== 健康检查 ====================

  /**
   * 健康检查
   */
  async healthCheck(): Promise<{ status: string; version: string }> {
    const response = await this.client.get('/health')
    return response.data
  }
}

// 单例导出
export const api = new ApiClient()

export default api