import _isNil from 'lodash/isNil';
import _omitBy from 'lodash/omitBy';
import { handleDelete, handleFetch, stringifyQuery } from './helpers';
import {
  Asset,
  AssetVariantCrop,
  Schema,
  AssetSearchRequest,
  AssetSearchResponse,
  AddAssetTagsRequest
} from '../types/api';

export default class AssetApi {
  public static async getAssets(): Promise<Asset[]> {
    const response = await handleFetch('/assets/list');

    return response.json();
  }

  public static async getSchema(): Promise<Schema> {
    const response = await handleFetch('/assets/schema');
    return await response.json();
  }

  public static async getAssetById(id: string): Promise<Asset | null> {
    const response = await handleFetch(`/assets/${id}`);

    // case: empty Guid as id
    if (response.status === 204) {
      return null;
    }

    return response.json();
  }

  public static async searchAssets(searchRequest: AssetSearchRequest): Promise<AssetSearchResponse> {
    const response = await handleFetch(`/assets/search`, {
      method: 'post',
      body: JSON.stringify(searchRequest)
    });
    return response.json();
  }

  public static async addTags(request: AddAssetTagsRequest): Promise<Response> {
    const response = await handleFetch(`/assets/add-tags`, {
      method: 'post',
      body: JSON.stringify(request),
    });

    return response.json();
  }

  public static async updateAsset(asset: Asset): Promise<Asset> {
    const response = await handleFetch(`/assets/${asset.id}/update`, {
      method: 'put',
      body: JSON.stringify(asset),
    });

    return response.json();
  }

  public static async createAsset(data: FormData): Promise<Asset> {
    const response = await handleFetch('/assets/create', {
      method: 'post',
      body: data,
    }, false);

    return response.json();
  }

  public static async deleteAsset(id: string): Promise<Response> {
    return await handleDelete(`/assets/${id}/delete`);
  }

  public static async deleteAssets(ids: string[]): Promise<Response> {
    return await handleFetch(`/assets/delete-multiple`, {
      method: 'delete',
      body: JSON.stringify(ids)
    });
  }

  public static async createPublicAssetUrl(id: string, width: number | null, height: number | null, crop: AssetVariantCrop): Promise<string> {
    const query = _omitBy({
      width,
      height,
      cropCenterX: crop.centerPoint.x,
      cropCenterY: crop.centerPoint.y,
      cropWidth: crop.width,
      cropHeight: crop.height,
    }, _isNil) as any;

    const path = stringifyQuery(`/assets/generate-url/${id}`, query);
    const response = await handleFetch(path);
    return response.json();
  }
}