/*
 * Code generated by Speakeasy (https://speakeasy.com). DO NOT EDIT.
 */

import * as z from "zod/v4-mini";
import { ModerationApiCore } from "../core.js";
import { encodeFormQuery, encodeSimple } from "../lib/encodings.js";
import { matchStatusCode } from "../lib/http.js";
import * as M from "../lib/matchers.js";
import { compactMap } from "../lib/primitives.js";
import { safeParse } from "../lib/schemas.js";
import { RequestOptions } from "../lib/sdks.js";
import { extractSecurity, resolveGlobalSecurity } from "../lib/security.js";
import { pathToFunc } from "../lib/url.js";
import {
  ConnectionError,
  InvalidRequestError,
  RequestAbortedError,
  RequestTimeoutError,
  UnexpectedClientError,
} from "../models/errors/http-client-errors.js";
import * as errors from "../models/errors/index.js";
import { ModerationAPIError } from "../models/errors/moderation-api-error.js";
import { ResponseValidationError } from "../models/errors/response-validation-error.js";
import { SDKValidationError } from "../models/errors/sdk-validation-error.js";
import * as operations from "../models/operations/index.js";
import { APICall, APIPromise } from "../types/async.js";
import { Result } from "../types/fp.js";
import {
  createPageIterator,
  haltIterator,
  PageIterator,
  Paginator,
} from "../types/operations.js";

/**
 * List channels
 *
 * @remarks
 * List the channels in a project. The list is paginated. Needs the `channels:read` permission.
 */
export function channelsList(
  client: ModerationApiCore,
  projectId: string,
  page?: number | undefined,
  pageSize?: number | undefined,
  options?: RequestOptions,
): APIPromise<
  PageIterator<
    Result<
      operations.ListChannelsResponse,
      | errors.AuthenticationError
      | errors.PermissionDeniedError
      | errors.NotFoundError
      | errors.RateLimitError
      | ModerationAPIError
      | ResponseValidationError
      | ConnectionError
      | RequestAbortedError
      | RequestTimeoutError
      | InvalidRequestError
      | UnexpectedClientError
      | SDKValidationError
    >,
    { page: number }
  >
> {
  return new APIPromise($do(
    client,
    projectId,
    page,
    pageSize,
    options,
  ));
}

async function $do(
  client: ModerationApiCore,
  projectId: string,
  page?: number | undefined,
  pageSize?: number | undefined,
  options?: RequestOptions,
): Promise<
  [
    PageIterator<
      Result<
        operations.ListChannelsResponse,
        | errors.AuthenticationError
        | errors.PermissionDeniedError
        | errors.NotFoundError
        | errors.RateLimitError
        | ModerationAPIError
        | ResponseValidationError
        | ConnectionError
        | RequestAbortedError
        | RequestTimeoutError
        | InvalidRequestError
        | UnexpectedClientError
        | SDKValidationError
      >,
      { page: number }
    >,
    APICall,
  ]
> {
  const input: operations.ListChannelsRequest = {
    projectId: projectId,
    page: page,
    pageSize: pageSize,
  };

  const parsed = safeParse(
    input,
    (value) => z.parse(operations.ListChannelsRequest$outboundSchema, value),
    "Input validation failed",
  );
  if (!parsed.ok) {
    return [haltIterator(parsed), { status: "invalid" }];
  }
  const payload = parsed.value;
  const body = null;

  const pathParams = {
    projectId: encodeSimple("projectId", payload.projectId, {
      explode: false,
      charEncoding: "percent",
    }),
  };
  const path = pathToFunc("/projects/{projectId}/channels")(pathParams);

  const query = encodeFormQuery({
    "page": payload.page,
    "pageSize": payload.pageSize,
  });

  const headers = new Headers(compactMap({
    Accept: "application/json",
  }));

  const secConfig = await extractSecurity(client._options.secretKey);
  const securityInput = secConfig == null ? {} : { secretKey: secConfig };
  const requestSecurity = resolveGlobalSecurity(securityInput);

  const context = {
    options: client._options,
    baseURL: options?.serverURL ?? client._baseURL ?? "",
    operationID: "listChannels",
    oAuth2Scopes: null,

    resolvedSecurity: requestSecurity,

    securitySource: client._options.secretKey,
    retryConfig: options?.retries
      || client._options.retryConfig
      || { strategy: "none" },
    retryCodes: options?.retryCodes || ["429", "500", "502", "503", "504"],
  };

  const requestRes = client._createRequest(context, {
    security: requestSecurity,
    method: "GET",
    baseURL: options?.serverURL,
    path: path,
    headers: headers,
    query: query,
    body: body,
    userAgent: client._options.userAgent,
    timeoutMs: options?.timeoutMs || client._options.timeoutMs || -1,
  }, options);
  if (!requestRes.ok) {
    return [haltIterator(requestRes), { status: "invalid" }];
  }
  const req = requestRes.value;

  const doResult = await client._do(req, {
    context,
    isErrorStatusCode: (statusCode: number) =>
      matchStatusCode({ status: statusCode } as Response, ["4XX", "5XX"]),
    retryConfig: context.retryConfig,
    retryCodes: context.retryCodes,
  });
  if (!doResult.ok) {
    return [haltIterator(doResult), { status: "request-error", request: req }];
  }
  const response = doResult.value;

  const responseFields = {
    HttpMeta: { Response: response, Request: req },
  };

  const [result, raw] = await M.match<
    operations.ListChannelsResponse,
    | errors.AuthenticationError
    | errors.PermissionDeniedError
    | errors.NotFoundError
    | errors.RateLimitError
    | ModerationAPIError
    | ResponseValidationError
    | ConnectionError
    | RequestAbortedError
    | RequestTimeoutError
    | InvalidRequestError
    | UnexpectedClientError
    | SDKValidationError
  >(
    M.json(200, operations.ListChannelsResponse$inboundSchema, {
      key: "Result",
    }),
    M.jsonErr(401, errors.AuthenticationError$inboundSchema),
    M.jsonErr(403, errors.PermissionDeniedError$inboundSchema),
    M.jsonErr(404, errors.NotFoundError$inboundSchema),
    M.jsonErr(429, errors.RateLimitError$inboundSchema),
    M.fail("4XX"),
    M.fail("5XX"),
  )(response, req, { extraFields: responseFields });
  if (!result.ok) {
    return [haltIterator(result), {
      status: "complete",
      request: req,
      response,
    }];
  }

  const nextFunc = (
    responseData: unknown,
  ): {
    next: Paginator<
      Result<
        operations.ListChannelsResponse,
        | errors.AuthenticationError
        | errors.PermissionDeniedError
        | errors.NotFoundError
        | errors.RateLimitError
        | ModerationAPIError
        | ResponseValidationError
        | ConnectionError
        | RequestAbortedError
        | RequestTimeoutError
        | InvalidRequestError
        | UnexpectedClientError
        | SDKValidationError
      >
    >;
    "~next"?: { page: number };
  } => {
    const page = input?.page ?? 1;
    const nextPage = page + 1;
    const numPages =
      (responseData as { pagination: { totalPages: unknown } }).pagination
        .totalPages;
    if (typeof numPages !== "number" || numPages <= page) {
      return { next: () => null };
    }

    if (!responseData) {
      return { next: () => null };
    }
    const results = (responseData as { data: unknown }).data;
    if (!Array.isArray(results) || !results.length) {
      return { next: () => null };
    }
    const limit = input?.pageSize ?? 20;
    if (results.length < limit) {
      return { next: () => null };
    }

    const nextVal = () =>
      channelsList(
        client,
        projectId,
        nextPage,
        pageSize,
        options,
      );

    return { next: nextVal, "~next": { page: nextPage } };
  };

  const page$ = { ...result, ...nextFunc(raw) };
  return [{ ...page$, ...createPageIterator(page$, (v) => !v.ok) }, {
    status: "complete",
    request: req,
    response,
  }];
}