"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.fetchLatestFeedUpdate = exports.createFeedManifest = void 0;
const http_1 = require("../utils/http");
const headers_1 = require("../utils/headers");
const error_1 = require("../utils/error");
const feedEndpoint = 'feeds';
/**
 * Create an initial feed root manifest
 *
 * @param ky Ky instance
 * @param owner           Owner's ethereum address in hex
 * @param topic           Topic in hex
 * @param postageBatchId  Postage BatchId to be used to create the Feed Manifest
 * @param options         Additional options, like type (default: 'sequence')
 */
function createFeedManifest(ky, owner, topic, postageBatchId, options) {
    return __awaiter(this, void 0, void 0, function* () {
        const response = yield (0, http_1.http)(ky, {
            method: 'post',
            responseType: 'json',
            path: `${feedEndpoint}/${owner}/${topic}`,
            searchParams: (0, http_1.filterHeaders)(options),
            headers: (0, headers_1.extractUploadHeaders)(postageBatchId),
        });
        return response.data.reference;
    });
}
exports.createFeedManifest = createFeedManifest;
function readFeedUpdateHeaders(headers) {
    const feedIndex = headers.get('swarm-feed-index');
    const feedIndexNext = headers.get('swarm-feed-index-next');
    if (!feedIndex) {
        throw new error_1.BeeError('Response did not contain expected swarm-feed-index!');
    }
    if (!feedIndexNext) {
        throw new error_1.BeeError('Response did not contain expected swarm-feed-index-next!');
    }
    return {
        feedIndex,
        feedIndexNext,
    };
}
/**
 * Find and retrieve feed update
 *
 * The feed consists of updates. This endpoint looks up an
 * update that matches the provided parameters and returns
 * the reference it contains along with its index and the
 * index of the subsequent update.
 *
 * @param ky Ky instance
 * @param owner       Owner's ethereum address in hex
 * @param topic       Topic in hex
 * @param options     Additional options, like index, at, type
 */
function fetchLatestFeedUpdate(ky, owner, topic, options) {
    return __awaiter(this, void 0, void 0, function* () {
        const response = yield (0, http_1.http)(ky, {
            responseType: 'json',
            path: `${feedEndpoint}/${owner}/${topic}`,
            searchParams: (0, http_1.filterHeaders)(options),
        });
        return Object.assign(Object.assign({}, response.data), readFeedUpdateHeaders(response.headers));
    });
}
exports.fetchLatestFeedUpdate = fetchLatestFeedUpdate;