package server.path.single.implementation;

import io.clientcore.core.annotations.ReturnType;
import io.clientcore.core.annotations.ServiceInterface;
import io.clientcore.core.annotations.ServiceMethod;
import io.clientcore.core.http.annotations.HostParam;
import io.clientcore.core.http.annotations.HttpRequestInformation;
import io.clientcore.core.http.annotations.UnexpectedResponseExceptionDetail;
import io.clientcore.core.http.models.HttpMethod;
import io.clientcore.core.http.models.HttpResponseException;
import io.clientcore.core.http.models.RequestContext;
import io.clientcore.core.http.models.Response;
import io.clientcore.core.http.pipeline.HttpPipeline;
import io.clientcore.core.instrumentation.Instrumentation;
import java.lang.reflect.InvocationTargetException;

/**
 * Initializes a new instance of the SingleClient type.
 */
public final class SingleClientImpl {
    /**
     * The proxy service used to perform REST calls.
     */
    private final SingleClientService service;

    /**
     * Need to be set as 'http://localhost:3000' in client.
     */
    private final String endpoint;

    /**
     * Gets Need to be set as 'http://localhost:3000' in client.
     * 
     * @return the endpoint value.
     */
    public String getEndpoint() {
        return this.endpoint;
    }

    /**
     * The HTTP pipeline to send requests through.
     */
    private final HttpPipeline httpPipeline;

    /**
     * Gets The HTTP pipeline to send requests through.
     * 
     * @return the httpPipeline value.
     */
    public HttpPipeline getHttpPipeline() {
        return this.httpPipeline;
    }

    /**
     * The instance of instrumentation to report telemetry.
     */
    private final Instrumentation instrumentation;

    /**
     * Gets The instance of instrumentation to report telemetry.
     * 
     * @return the instrumentation value.
     */
    public Instrumentation getInstrumentation() {
        return this.instrumentation;
    }

    /**
     * Initializes an instance of SingleClient client.
     * 
     * @param httpPipeline The HTTP pipeline to send requests through.
     * @param instrumentation The instance of instrumentation to report telemetry.
     * @param endpoint Need to be set as 'http://localhost:3000' in client.
     */
    public SingleClientImpl(HttpPipeline httpPipeline, Instrumentation instrumentation, String endpoint) {
        this.httpPipeline = httpPipeline;
        this.instrumentation = instrumentation;
        this.endpoint = endpoint;
        this.service = SingleClientService.getNewInstance(this.httpPipeline);
    }

    /**
     * The interface defining all the services for SingleClient to be used by the proxy service to perform REST calls.
     */
    @ServiceInterface(name = "SingleClient", host = "{endpoint}")
    public interface SingleClientService {
        static SingleClientService getNewInstance(HttpPipeline pipeline) {
            try {
                Class<?> clazz = Class.forName("server.path.single.implementation.SingleClientServiceImpl");
                return (SingleClientService) clazz.getMethod("getNewInstance", HttpPipeline.class)
                    .invoke(null, pipeline);
            } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException
                | InvocationTargetException e) {
                throw new RuntimeException(e);
            }

        }

        @HttpRequestInformation(
            method = HttpMethod.HEAD,
            path = "/server/path/single/myOp",
            expectedStatusCodes = { 200 })
        @UnexpectedResponseExceptionDetail
        Response<Void> myOp(@HostParam("endpoint") String endpoint, RequestContext requestContext);
    }

    /**
     * The myOp operation.
     * 
     * @param requestContext The context to configure the HTTP request before HTTP client sends it.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws HttpResponseException thrown if the service returns an error.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return the {@link Response}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    public Response<Void> myOpWithResponse(RequestContext requestContext) {
        return this.instrumentation.instrumentWithResponse("Server.Path.Single.myOp", requestContext,
            updatedContext -> {
                return service.myOp(this.getEndpoint(), updatedContext);
            });
    }
}
