// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
import { DefaultReconnectPolicy } from "./DefaultReconnectPolicy";
import { HttpConnection } from "./HttpConnection";
import { HubConnection } from "./HubConnection";
import { LogLevel } from "./ILogger";
import { JsonHubProtocol } from "./JsonHubProtocol";
import { NullLogger } from "./Loggers";
import { Arg, ConsoleLogger } from "./Utils";
const LogLevelNameMapping = {
    trace: LogLevel.Trace,
    debug: LogLevel.Debug,
    info: LogLevel.Information,
    information: LogLevel.Information,
    warn: LogLevel.Warning,
    warning: LogLevel.Warning,
    error: LogLevel.Error,
    critical: LogLevel.Critical,
    none: LogLevel.None,
};
function parseLogLevel(name) {
    // Case-insensitive matching via lower-casing
    // Yes, I know case-folding is a complicated problem in Unicode, but we only support
    // the ASCII strings defined in LogLevelNameMapping anyway, so it's fine -anurse.
    const mapping = LogLevelNameMapping[name.toLowerCase()];
    if (typeof mapping !== "undefined") {
        return mapping;
    }
    else {
        throw new Error(`Unknown log level: ${name}`);
    }
}
/** A builder for configuring {@link @microsoft/signalr.HubConnection} instances. */
export class HubConnectionBuilder {
    configureLogging(logging) {
        Arg.isRequired(logging, "logging");
        if (isLogger(logging)) {
            this.logger = logging;
        }
        else if (typeof logging === "string") {
            const logLevel = parseLogLevel(logging);
            this.logger = new ConsoleLogger(logLevel);
        }
        else {
            this.logger = new ConsoleLogger(logging);
        }
        return this;
    }
    withUrl(url, transportTypeOrOptions) {
        Arg.isRequired(url, "url");
        Arg.isNotEmpty(url, "url");
        this.url = url;
        // Flow-typing knows where it's at. Since HttpTransportType is a number and IHttpConnectionOptions is guaranteed
        // to be an object, we know (as does TypeScript) this comparison is all we need to figure out which overload was called.
        if (typeof transportTypeOrOptions === "object") {
            this.httpConnectionOptions = { ...this.httpConnectionOptions, ...transportTypeOrOptions };
        }
        else {
            this.httpConnectionOptions = {
                ...this.httpConnectionOptions,
                transport: transportTypeOrOptions,
            };
        }
        return this;
    }
    /** Configures the {@link @microsoft/signalr.HubConnection} to use the specified Hub Protocol.
     *
     * @param {IHubProtocol} protocol The {@link @microsoft/signalr.IHubProtocol} implementation to use.
     */
    withHubProtocol(protocol) {
        Arg.isRequired(protocol, "protocol");
        this.protocol = protocol;
        return this;
    }
    withAutomaticReconnect(retryDelaysOrReconnectPolicy) {
        if (this.reconnectPolicy) {
            throw new Error("A reconnectPolicy has already been set.");
        }
        if (!retryDelaysOrReconnectPolicy) {
            this.reconnectPolicy = new DefaultReconnectPolicy();
        }
        else if (Array.isArray(retryDelaysOrReconnectPolicy)) {
            this.reconnectPolicy = new DefaultReconnectPolicy(retryDelaysOrReconnectPolicy);
        }
        else {
            this.reconnectPolicy = retryDelaysOrReconnectPolicy;
        }
        return this;
    }
    /** Configures {@link @microsoft/signalr.HubConnection.serverTimeoutInMilliseconds} for the {@link @microsoft/signalr.HubConnection}.
     *
     * @returns The {@link @microsoft/signalr.HubConnectionBuilder} instance, for chaining.
     */
    withServerTimeout(milliseconds) {
        Arg.isRequired(milliseconds, "milliseconds");
        this._serverTimeoutInMilliseconds = milliseconds;
        return this;
    }
    /** Configures {@link @microsoft/signalr.HubConnection.keepAliveIntervalInMilliseconds} for the {@link @microsoft/signalr.HubConnection}.
     *
     * @returns The {@link @microsoft/signalr.HubConnectionBuilder} instance, for chaining.
     */
    withKeepAliveInterval(milliseconds) {
        Arg.isRequired(milliseconds, "milliseconds");
        this._keepAliveIntervalInMilliseconds = milliseconds;
        return this;
    }
    /** Enables and configures options for the Stateful Reconnect feature.
     *
     * @returns The {@link @microsoft/signalr.HubConnectionBuilder} instance, for chaining.
     */
    withStatefulReconnect(options) {
        if (this.httpConnectionOptions === undefined) {
            this.httpConnectionOptions = {};
        }
        this.httpConnectionOptions._useStatefulReconnect = true;
        this._statefulReconnectBufferSize = options === null || options === void 0 ? void 0 : options.bufferSize;
        return this;
    }
    /** Creates a {@link @microsoft/signalr.HubConnection} from the configuration options specified in this builder.
     *
     * @returns {HubConnection} The configured {@link @microsoft/signalr.HubConnection}.
     */
    build() {
        // If httpConnectionOptions has a logger, use it. Otherwise, override it with the one
        // provided to configureLogger
        const httpConnectionOptions = this.httpConnectionOptions || {};
        // If it's 'null', the user **explicitly** asked for null, don't mess with it.
        if (httpConnectionOptions.logger === undefined) {
            // If our logger is undefined or null, that's OK, the HttpConnection constructor will handle it.
            httpConnectionOptions.logger = this.logger;
        }
        // Now create the connection
        if (!this.url) {
            throw new Error("The 'HubConnectionBuilder.withUrl' method must be called before building the connection.");
        }
        const connection = new HttpConnection(this.url, httpConnectionOptions);
        return HubConnection.create(connection, this.logger || NullLogger.instance, this.protocol || new JsonHubProtocol(), this.reconnectPolicy, this._serverTimeoutInMilliseconds, this._keepAliveIntervalInMilliseconds, this._statefulReconnectBufferSize);
    }
}
function isLogger(logger) {
    return logger.log !== undefined;
}
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