import * as Effect from "effect/Effect";
import * as Binding from "../../Binding.ts";
import * as Output from "../../Output.ts";
import { isBindingHost } from "../Lambda/Function.ts";
import type { Job } from "./Job.ts";
import type { Project } from "./Project.ts";
import type { Recipe } from "./Recipe.ts";

/**
 * Shared scaffolding for AWS Glue DataBrew HTTP bindings.
 *
 * NOT exported from `index.ts` — every `{Op}Http.ts` in this service is a
 * thin `Layer.effect(Cap, make…HttpBinding({ … }))` over one of the builders
 * below. Every DataBrew data-plane operation addresses its resource by a
 * `Name` path parameter and authorizes against that resource's ARN, so each
 * builder injects the bound resource's name and grants `actions` on its ARN;
 * everything except the operation and the IAM action is boilerplate.
 */

/**
 * Build the impl Effect for a job-anchored operation: the runtime callable
 * injects the bound {@link Job}'s name as `Name` and the deploy-time half
 * grants `actions` on the job ARN.
 */
export const makeDataBrewJobHttpBinding = <
  I extends { Name?: string },
  A,
  E,
  R,
>(options: {
  /** Fully-qualified binding tag, e.g. `AWS.DataBrew.StartJobRun`. */
  tag: string;
  /** The distilled operation; `Name` is injected from the job. */
  operation: Effect.Effect<(input: I) => Effect.Effect<A, E>, never, R>;
  /** IAM actions granted on the job ARN. */
  actions: readonly string[];
}) =>
  Effect.gen(function* () {
    const op = yield* options.operation;

    return Effect.fn(function* <J extends Job>(job: J) {
      // Outputs yield a DEFERRED effect — resolve again per invocation below.
      const JobName = yield* job.jobName;
      if (!globalThis.__ALCHEMY_RUNTIME__) {
        const host = yield* Binding.Host;
        if (isBindingHost(host)) {
          yield* host.bind`Allow(${host}, ${options.tag}(${job}))`({
            policyStatements: [
              {
                Effect: "Allow",
                Action: [...options.actions],
                Resource: [Output.interpolate`${job.jobArn}`],
              },
            ],
          });
        }
      }
      return Effect.fn(`${options.tag}(${job.LogicalId})`)(function* (
        request?: Omit<I, "Name">,
      ) {
        return yield* op({ ...request, Name: yield* JobName } as I);
      });
    });
  });

/**
 * Build the impl Effect for a project-anchored operation: the runtime
 * callable injects the bound {@link Project}'s name as `Name` and the
 * deploy-time half grants `actions` on the project ARN.
 */
export const makeDataBrewProjectHttpBinding = <
  I extends { Name?: string },
  A,
  E,
  R,
>(options: {
  /** Fully-qualified binding tag, e.g. `AWS.DataBrew.StartProjectSession`. */
  tag: string;
  /** The distilled operation; `Name` is injected from the project. */
  operation: Effect.Effect<(input: I) => Effect.Effect<A, E>, never, R>;
  /** IAM actions granted on the project ARN. */
  actions: readonly string[];
}) =>
  Effect.gen(function* () {
    const op = yield* options.operation;

    return Effect.fn(function* <P extends Project>(project: P) {
      const ProjectName = yield* project.projectName;
      if (!globalThis.__ALCHEMY_RUNTIME__) {
        const host = yield* Binding.Host;
        if (isBindingHost(host)) {
          yield* host.bind`Allow(${host}, ${options.tag}(${project}))`({
            policyStatements: [
              {
                Effect: "Allow",
                Action: [...options.actions],
                Resource: [Output.interpolate`${project.projectArn}`],
              },
            ],
          });
        }
      }
      return Effect.fn(`${options.tag}(${project.LogicalId})`)(function* (
        request?: Omit<I, "Name">,
      ) {
        return yield* op({ ...request, Name: yield* ProjectName } as I);
      });
    });
  });

/**
 * Build the impl Effect for a recipe-anchored operation: the runtime
 * callable injects the bound {@link Recipe}'s name as `Name` and the
 * deploy-time half grants `actions` on the recipe ARN.
 */
export const makeDataBrewRecipeHttpBinding = <
  I extends { Name?: string },
  A,
  E,
  R,
>(options: {
  /** Fully-qualified binding tag, e.g. `AWS.DataBrew.PublishRecipe`. */
  tag: string;
  /** The distilled operation; `Name` is injected from the recipe. */
  operation: Effect.Effect<(input: I) => Effect.Effect<A, E>, never, R>;
  /** IAM actions granted on the recipe ARN. */
  actions: readonly string[];
}) =>
  Effect.gen(function* () {
    const op = yield* options.operation;

    return Effect.fn(function* <Rec extends Recipe>(recipe: Rec) {
      const RecipeName = yield* recipe.recipeName;
      if (!globalThis.__ALCHEMY_RUNTIME__) {
        const host = yield* Binding.Host;
        if (isBindingHost(host)) {
          yield* host.bind`Allow(${host}, ${options.tag}(${recipe}))`({
            policyStatements: [
              {
                Effect: "Allow",
                Action: [...options.actions],
                Resource: [Output.interpolate`${recipe.recipeArn}`],
              },
            ],
          });
        }
      }
      return Effect.fn(`${options.tag}(${recipe.LogicalId})`)(function* (
        request?: Omit<I, "Name">,
      ) {
        return yield* op({ ...request, Name: yield* RecipeName } as I);
      });
    });
  });