"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
const logger_1 = __importDefault(require("../logger"));
const authUtil = __importStar(require("../authentication/authentication_util"));
const authentication_types_1 = __importDefault(require("./authentication_types"));
class AuthOauthClientCredentials {
    connectionConfig;
    httpClient;
    _oauthImport;
    token;
    constructor(connectionConfig, httpClient) {
        this.connectionConfig = connectionConfig;
        this.httpClient = httpClient;
    }
    async getOauth4webapi() {
        if (!this._oauthImport) {
            this._oauthImport = await import('oauth4webapi');
        }
        return this._oauthImport;
    }
    updateBody(body) {
        if (this.token) {
            body.data.TOKEN = this.token;
        }
        body.data.AUTHENTICATOR = authentication_types_1.default.OAUTH_AUTHENTICATOR;
        body.data.CLIENT_ENVIRONMENT.OAUTH_TYPE = authentication_types_1.default.OAUTH_CLIENT_CREDENTIALS;
    }
    async authenticate() {
        const clientId = this.connectionConfig.getOauthClientId();
        const clientSecret = this.connectionConfig.getOauthClientSecret();
        const scope = await authUtil.prepareScope(this.connectionConfig);
        const parameters = new URLSearchParams();
        if (scope) {
            parameters.set('scope', scope);
        }
        this.token = await this.requestToken(clientId, clientSecret, parameters);
    }
    async requestToken(clientId, clientSecret, parameters) {
        const oauth = await this.getOauth4webapi();
        const tokenUrl = authUtil.getTokenUrl(this.connectionConfig);
        const as = {
            // An issuer is an obligatory parameter in validation processed by oauth4webapi library, even when it isn't used
            issuer: 'UNKNOWN',
            // oxlint-disable-next-line camelcase
            token_endpoint: tokenUrl.href,
        };
        const client = {
            // oxlint-disable-next-line camelcase
            client_id: clientId,
        };
        (0, logger_1.default)().debug(`Executing token request: ${tokenUrl.href}`);
        const clientAuth = oauth.ClientSecretPost(clientSecret);
        const response = await oauth.clientCredentialsGrantRequest(as, client, clientAuth, parameters, {
            [oauth.allowInsecureRequests]: this.connectionConfig.getOauthHttpAllowed(),
            [oauth.customFetch]: async (url, options) => {
                const response = await this.httpClient.requestAsync({ url, ...options });
                return new Response(response.json, {
                    status: response.statusCode,
                    statusText: response.statusText,
                    headers: response.headers,
                });
            },
        });
        const result = await oauth.processClientCredentialsResponse(as, client, response);
        if (result.access_token) {
            (0, logger_1.default)().debug(`Received new OAuth access token from: ${tokenUrl.href}`);
        }
        else {
            throw Error(`Response doesn't contain OAuth access token. Requested URI: ${tokenUrl.href}`);
        }
        return result.access_token;
    }
}
exports.default = AuthOauthClientCredentials;
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