// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
// Code generated by Microsoft (R) AutoRest Code Generator.

package com.azure.resourcemanager.monitor.implementation;

import com.azure.core.annotation.ExpectedResponses;
import com.azure.core.annotation.Get;
import com.azure.core.annotation.HeaderParam;
import com.azure.core.annotation.Headers;
import com.azure.core.annotation.Host;
import com.azure.core.annotation.HostParam;
import com.azure.core.annotation.PathParam;
import com.azure.core.annotation.QueryParam;
import com.azure.core.annotation.ReturnType;
import com.azure.core.annotation.ServiceInterface;
import com.azure.core.annotation.ServiceMethod;
import com.azure.core.annotation.UnexpectedResponseExceptionType;
import com.azure.core.http.rest.PagedFlux;
import com.azure.core.http.rest.PagedIterable;
import com.azure.core.http.rest.PagedResponse;
import com.azure.core.http.rest.PagedResponseBase;
import com.azure.core.http.rest.Response;
import com.azure.core.http.rest.RestProxy;
import com.azure.core.management.exception.ManagementException;
import com.azure.core.util.Context;
import com.azure.core.util.FluxUtil;
import com.azure.resourcemanager.monitor.fluent.MetricDefinitionsClient;
import com.azure.resourcemanager.monitor.fluent.models.MetricDefinitionInner;
import com.azure.resourcemanager.monitor.models.MetricDefinitionCollection;
import reactor.core.publisher.Mono;

/** An instance of this class provides access to all the operations defined in MetricDefinitionsClient. */
public final class MetricDefinitionsClientImpl implements MetricDefinitionsClient {
    /** The proxy service used to perform REST calls. */
    private final MetricDefinitionsService service;

    /** The service client containing this operation class. */
    private final MonitorClientImpl client;

    /**
     * Initializes an instance of MetricDefinitionsClientImpl.
     *
     * @param client the instance of the service client containing this operation class.
     */
    MetricDefinitionsClientImpl(MonitorClientImpl client) {
        this.service =
            RestProxy.create(MetricDefinitionsService.class, client.getHttpPipeline(), client.getSerializerAdapter());
        this.client = client;
    }

    /**
     * The interface defining all the services for MonitorClientMetricDefinitions to be used by the proxy service to
     * perform REST calls.
     */
    @Host("{$host}")
    @ServiceInterface(name = "MonitorClientMetricD")
    public interface MetricDefinitionsService {
        @Headers({"Content-Type: application/json"})
        @Get("/{resourceUri}/providers/Microsoft.Insights/metricDefinitions")
        @ExpectedResponses({200})
        @UnexpectedResponseExceptionType(ManagementException.class)
        Mono<Response<MetricDefinitionCollection>> list(
            @HostParam("$host") String endpoint,
            @PathParam(value = "resourceUri", encoded = true) String resourceUri,
            @QueryParam("api-version") String apiVersion,
            @QueryParam("metricnamespace") String metricnamespace,
            @HeaderParam("Accept") String accept,
            Context context);
    }

    /**
     * Lists the metric definitions for the resource.
     *
     * @param resourceUri The identifier of the resource.
     * @param metricnamespace Metric namespace to query metric definitions for.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return represents collection of metric definitions along with {@link PagedResponse} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<MetricDefinitionInner>> listSinglePageAsync(String resourceUri, String metricnamespace) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceUri == null) {
            return Mono.error(new IllegalArgumentException("Parameter resourceUri is required and cannot be null."));
        }
        final String apiVersion = "2018-01-01";
        final String accept = "application/json";
        return FluxUtil
            .withContext(
                context ->
                    service.list(this.client.getEndpoint(), resourceUri, apiVersion, metricnamespace, accept, context))
            .<PagedResponse<MetricDefinitionInner>>map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null))
            .contextWrite(context -> context.putAll(FluxUtil.toReactorContext(this.client.getContext()).readOnly()));
    }

    /**
     * Lists the metric definitions for the resource.
     *
     * @param resourceUri The identifier of the resource.
     * @param metricnamespace Metric namespace to query metric definitions for.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return represents collection of metric definitions along with {@link PagedResponse} on successful completion of
     *     {@link Mono}.
     */
    @ServiceMethod(returns = ReturnType.SINGLE)
    private Mono<PagedResponse<MetricDefinitionInner>> listSinglePageAsync(
        String resourceUri, String metricnamespace, Context context) {
        if (this.client.getEndpoint() == null) {
            return Mono
                .error(
                    new IllegalArgumentException(
                        "Parameter this.client.getEndpoint() is required and cannot be null."));
        }
        if (resourceUri == null) {
            return Mono.error(new IllegalArgumentException("Parameter resourceUri is required and cannot be null."));
        }
        final String apiVersion = "2018-01-01";
        final String accept = "application/json";
        context = this.client.mergeContext(context);
        return service
            .list(this.client.getEndpoint(), resourceUri, apiVersion, metricnamespace, accept, context)
            .map(
                res ->
                    new PagedResponseBase<>(
                        res.getRequest(), res.getStatusCode(), res.getHeaders(), res.getValue().value(), null, null));
    }

    /**
     * Lists the metric definitions for the resource.
     *
     * @param resourceUri The identifier of the resource.
     * @param metricnamespace Metric namespace to query metric definitions for.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return represents collection of metric definitions as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<MetricDefinitionInner> listAsync(String resourceUri, String metricnamespace) {
        return new PagedFlux<>(() -> listSinglePageAsync(resourceUri, metricnamespace));
    }

    /**
     * Lists the metric definitions for the resource.
     *
     * @param resourceUri The identifier of the resource.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return represents collection of metric definitions as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedFlux<MetricDefinitionInner> listAsync(String resourceUri) {
        final String metricnamespace = null;
        return new PagedFlux<>(() -> listSinglePageAsync(resourceUri, metricnamespace));
    }

    /**
     * Lists the metric definitions for the resource.
     *
     * @param resourceUri The identifier of the resource.
     * @param metricnamespace Metric namespace to query metric definitions for.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return represents collection of metric definitions as paginated response with {@link PagedFlux}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    private PagedFlux<MetricDefinitionInner> listAsync(String resourceUri, String metricnamespace, Context context) {
        return new PagedFlux<>(() -> listSinglePageAsync(resourceUri, metricnamespace, context));
    }

    /**
     * Lists the metric definitions for the resource.
     *
     * @param resourceUri The identifier of the resource.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return represents collection of metric definitions as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<MetricDefinitionInner> list(String resourceUri) {
        final String metricnamespace = null;
        return new PagedIterable<>(listAsync(resourceUri, metricnamespace));
    }

    /**
     * Lists the metric definitions for the resource.
     *
     * @param resourceUri The identifier of the resource.
     * @param metricnamespace Metric namespace to query metric definitions for.
     * @param context The context to associate with this operation.
     * @throws IllegalArgumentException thrown if parameters fail the validation.
     * @throws ManagementException thrown if the request is rejected by server.
     * @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent.
     * @return represents collection of metric definitions as paginated response with {@link PagedIterable}.
     */
    @ServiceMethod(returns = ReturnType.COLLECTION)
    public PagedIterable<MetricDefinitionInner> list(String resourceUri, String metricnamespace, Context context) {
        return new PagedIterable<>(listAsync(resourceUri, metricnamespace, context));
    }
}
