import api from './api';
import { getMediaUrl } from '../media';

export interface Video {
  id: string;
  title: string;
  doctor: string;
  duration: string;
  thumbnail: string;
  videoUrl: string;
  description: string;
  viewsCount?: number;
  isFeatured?: boolean;
}

function normalizeVideo(v: any): Video {
  return {
    id: String(v.id || ''),
    title: String(v.title || ''),
    doctor: String(v.doctor || 'کادر علمی کنینا'),
    duration: String(v.duration || '۳:۰۰'),
    thumbnail: getMediaUrl(v.thumbnail || v.coverUrl || '/assets/images/hero-section-image.png'),
    videoUrl: getMediaUrl(v.videoUrl || ''),
    description: String(v.description || ''),
    viewsCount: Number(v.viewsCount) || 0,
    isFeatured: Boolean(v.isFeatured),
  };
}

export const videoService = {
  getVideos: async (params?: { featured?: boolean; limit?: number; search?: string }): Promise<Video[]> => {
    try {
      const res = await api.get('/videos', { params });
      const raw = res.data;
      let items: any[] = [];
      if (Array.isArray(raw?.videos)) items = raw.videos;
      else if (Array.isArray(raw?.data?.videos)) items = raw.data.videos;
      else if (Array.isArray(raw?.data)) items = raw.data;
      else if (Array.isArray(raw)) items = raw;
      return items.map(normalizeVideo);
    } catch (error) {
      console.error('Failed to fetch videos from API:', error);
      return [];
    }
  },

  getVideoById: async (id: string) => {
    try {
      const res = await api.get(`/videos/${id}`);
      return res.data;
    } catch (error) {
      console.error('Failed to fetch video details:', error);
      return null;
    }
  },

  incrementViews: async (id: string) => {
    try {
      await api.patch(`/videos/${id}/view`);
    } catch (error) {
      console.warn('Failed to increment video views:', error);
    }
  }
};