import * as agw2 from "@distilled.cloud/aws/apigatewayv2";
import * as Effect from "effect/Effect";
import * as Layer from "effect/Layer";
import * as Output from "../../Output.ts";
import type { Api } from "./Api.ts";
import { registerApiGatewayV2Binding } from "./BindingHttp.ts";
import { ExportApi, type ExportApiRequest } from "./ExportApi.ts";

/**
 * HTTP implementation of the {@link ExportApi} binding. Grants
 * `apigateway:GET` on the API's `/exports/*` path and calls the API with
 * the host Function's credentials.
 */
export const ExportApiHttp = Layer.effect(
  ExportApi,
  Effect.gen(function* () {
    const exportApi = yield* agw2.exportApi;
    return Effect.fn(function* <A extends Api>(api: A) {
      const ApiId = yield* api.apiId;
      yield* registerApiGatewayV2Binding({
        cap: "AWS.ApiGatewayV2.ExportApi",
        target: api,
        verb: "GET",
        paths: (region) => [
          Output.interpolate`arn:aws:apigateway:${region}::/apis/${api.apiId}/exports/*`,
        ],
      });
      return Effect.fn(`AWS.ApiGatewayV2.ExportApi(${api.LogicalId})`)(
        function* (request?: ExportApiRequest) {
          return yield* exportApi({
            ...request,
            ApiId: yield* ApiId,
            Specification: request?.Specification ?? "OAS30",
          });
        },
      );
    });
  }),
);