import * as codeartifact from "@distilled.cloud/aws/codeartifact";
import * as Effect from "effect/Effect";
import * as Layer from "effect/Layer";
import * as Binding from "../../Binding.ts";
import { toWireSeconds } from "../../Util/Duration.ts";
import { isBindingHost } from "../Lambda/Function.ts";
import type { Domain } from "./Domain.ts";
import {
  GetAuthorizationToken,
  type GetAuthorizationTokenRequest,
} from "./GetAuthorizationToken.ts";

/**
 * HTTP implementation of {@link GetAuthorizationToken} over the CodeArtifact
 * API. Domain-scoped (not repository-scoped): tokens authorize against every
 * repository in the domain, and CodeArtifact exchanges the caller's
 * credentials via `sts:GetServiceBearerToken`.
 */
export const GetAuthorizationTokenHttp = Layer.effect(
  GetAuthorizationToken,
  Effect.gen(function* () {
    const op = yield* codeartifact.getAuthorizationToken;

    return Effect.fn(function* (domain: Domain) {
      const DomainName = yield* domain.domainName;
      const Owner = yield* domain.owner;
      if (!globalThis.__ALCHEMY_RUNTIME__) {
        const host = yield* Binding.Host;
        if (isBindingHost(host)) {
          yield* host.bind`Allow(${host}, AWS.CodeArtifact.GetAuthorizationToken(${domain}))`(
            {
              policyStatements: [
                {
                  Effect: "Allow",
                  Action: ["codeartifact:GetAuthorizationToken"],
                  Resource: [domain.domainArn],
                },
                {
                  // CodeArtifact exchanges the caller's credentials for the
                  // bearer token through STS on the caller's behalf.
                  Effect: "Allow",
                  Action: ["sts:GetServiceBearerToken"],
                  Resource: ["*"],
                  Condition: {
                    StringEquals: {
                      "sts:AWSServiceName": "codeartifact.amazonaws.com",
                    },
                  },
                },
              ],
            },
          );
        }
      }
      return Effect.fn(
        `AWS.CodeArtifact.GetAuthorizationToken(${domain.LogicalId})`,
      )(function* (request?: GetAuthorizationTokenRequest) {
        const owner = yield* Owner;
        return yield* op({
          domain: yield* DomainName,
          ...(owner === "" ? {} : { domainOwner: owner }),
          durationSeconds: toWireSeconds(request?.duration),
        });
      });
    });
  }),
);