/**
 * This code was generated by
 * \ / _    _  _|   _  _
 *  | (_)\/(_)(_|\/| |(/_  v1.0.0
 *       /       /
 */

package com.twilio.rest.conversations.v1.service;

import com.twilio.base.Creator;
import com.twilio.exception.ApiConnectionException;
import com.twilio.exception.ApiException;
import com.twilio.exception.RestException;
import com.twilio.http.HttpMethod;
import com.twilio.http.Request;
import com.twilio.http.Response;
import com.twilio.http.TwilioRestClient;
import com.twilio.rest.Domains;

import java.util.List;

public class RoleCreator extends Creator<Role> {
    private final String pathChatServiceSid;
    private final String friendlyName;
    private final Role.RoleType type;
    private final List<String> permission;

    /**
     * Construct a new RoleCreator.
     *
     * @param pathChatServiceSid The SID of the Conversation Service to create the
     *                           resource under
     * @param friendlyName A string to describe the new resource
     * @param type The type of role
     * @param permission A permission the role should have
     */
    public RoleCreator(final String pathChatServiceSid,
                       final String friendlyName,
                       final Role.RoleType type,
                       final List<String> permission) {
        this.pathChatServiceSid = pathChatServiceSid;
        this.friendlyName = friendlyName;
        this.type = type;
        this.permission = permission;
    }

    /**
     * Make the request to the Twilio API to perform the create.
     *
     * @param client TwilioRestClient with which to make the request
     * @return Created Role
     */
    @Override
    @SuppressWarnings("checkstyle:linelength")
    public Role create(final TwilioRestClient client) {
        Request request = new Request(
            HttpMethod.POST,
            Domains.CONVERSATIONS.toString(),
            "/v1/Services/" + this.pathChatServiceSid + "/Roles"
        );

        addPostParams(request);
        Response response = client.request(request);

        if (response == null) {
            throw new ApiConnectionException("Role creation failed: Unable to connect to server");
        } else if (!TwilioRestClient.SUCCESS.test(response.getStatusCode())) {
            RestException restException = RestException.fromJson(response.getStream(), client.getObjectMapper());
            if (restException == null) {
                throw new ApiException("Server Error, no content");
            }
            throw new ApiException(restException);
        }

        return Role.fromJson(response.getStream(), client.getObjectMapper());
    }

    /**
     * Add the requested post parameters to the Request.
     *
     * @param request Request to add post params to
     */
    private void addPostParams(final Request request) {
        if (friendlyName != null) {
            request.addPostParam("FriendlyName", friendlyName);
        }

        if (type != null) {
            request.addPostParam("Type", type.toString());
        }

        if (permission != null) {
            for (String prop : permission) {
                request.addPostParam("Permission", prop);
            }
        }
    }
}