import { IHttpClient } from './httpClient';
import {
  CreateRequestTypeInput,
  CreateTemplateRouteInput,
  CreateTemplateRouteStepInput,
  PatchRequestTypeInput,
  PatchTemplateRouteInput,
  PatchTemplateRouteStepInput,
  RequestType,
  RequestTypeListSeries,
  ResolveTemplateRouteQuery,
  ResolveTemplateRouteResult,
  TemplateRoute,
  TemplateRouteStep,
  UpdateRequestTypeInput,
  UpdateTemplateRouteInput,
  UpdateTemplateRouteStepInput
} from '../models';

// Тонкий 1:1 фасад над контроллерами бэкенда:
// backend/Tnsu.ApprovalRoute.Api/Controllers/{RequestTypes,TemplateRoutes,TemplateRouteSteps}Controller.cs

export class ApprovalRouteApi {
  constructor(private readonly http: IHttpClient) {}

  public readonly requestTypes = {
    list: (): Promise<RequestType[]> =>
      this.http.get<RequestType[]>('/api/request-types'),

    get: (id: number): Promise<RequestType> =>
      this.http.get<RequestType>(`/api/request-types/${id}`),

    create: (body: CreateRequestTypeInput): Promise<RequestType> =>
      this.http.post<RequestType>('/api/request-types', body),

    update: (id: number, body: UpdateRequestTypeInput): Promise<RequestType> =>
      this.http.put<RequestType>(`/api/request-types/${id}`, body),

    patch: (id: number, body: PatchRequestTypeInput): Promise<RequestType> =>
      this.http.patch<RequestType>(`/api/request-types/${id}`, body),

    remove: (id: number): Promise<void> =>
      this.http.delete(`/api/request-types/${id}`),

    // Серии партиций СРАЗУ по всем типам заявок (см.
    // ListPartitionService.ListAllAsync) — для дашборда (счётчик партиций) и
    // портала, которому нужен весь список адресов разом, а не по одному запросу
    // на тип.
    listsAll: (): Promise<RequestTypeListSeries[]> =>
      this.http.get<RequestTypeListSeries[]>('/api/request-types/lists')
  };

  public readonly templateRoutes = {
    list: (requestTypeId?: number): Promise<TemplateRoute[]> =>
      this.http.get<TemplateRoute[]>('/api/template-routes', { requestTypeId }),

    get: (id: number): Promise<TemplateRoute> =>
      this.http.get<TemplateRoute>(`/api/template-routes/${id}`),

    create: (body: CreateTemplateRouteInput): Promise<TemplateRoute> =>
      this.http.post<TemplateRoute>('/api/template-routes', body),

    update: (id: number, body: UpdateTemplateRouteInput): Promise<TemplateRoute> =>
      this.http.put<TemplateRoute>(`/api/template-routes/${id}`, body),

    patch: (id: number, body: PatchTemplateRouteInput): Promise<TemplateRoute> =>
      this.http.patch<TemplateRoute>(`/api/template-routes/${id}`, body),

    remove: (id: number): Promise<void> =>
      this.http.delete(`/api/template-routes/${id}`),

    // POST, а не GET: запрос несёт список условий (fieldValues) переменной длины —
    // не ложится на плоскую query-строку (см. IHttpClient.QueryParams).
    resolve: (query: ResolveTemplateRouteQuery): Promise<ResolveTemplateRouteResult> =>
      this.http.post<ResolveTemplateRouteResult>('/api/template-routes/resolve', query)
  };

  public readonly templateRouteSteps = {
    list: (routeId: number): Promise<TemplateRouteStep[]> =>
      this.http.get<TemplateRouteStep[]>(`/api/template-routes/${routeId}/steps`),

    get: (routeId: number, id: number): Promise<TemplateRouteStep> =>
      this.http.get<TemplateRouteStep>(`/api/template-routes/${routeId}/steps/${id}`),

    create: (routeId: number, body: CreateTemplateRouteStepInput): Promise<TemplateRouteStep> =>
      this.http.post<TemplateRouteStep>(`/api/template-routes/${routeId}/steps`, body),

    update: (routeId: number, id: number, body: UpdateTemplateRouteStepInput): Promise<TemplateRouteStep> =>
      this.http.put<TemplateRouteStep>(`/api/template-routes/${routeId}/steps/${id}`, body),

    patch: (routeId: number, id: number, body: PatchTemplateRouteStepInput): Promise<TemplateRouteStep> =>
      this.http.patch<TemplateRouteStep>(`/api/template-routes/${routeId}/steps/${id}`, body),

    remove: (routeId: number, id: number): Promise<void> =>
      this.http.delete(`/api/template-routes/${routeId}/steps/${id}`)
  };
}