// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Code generated by protoc-gen-go_gapic. DO NOT EDIT.

package dataflow

import (
	"context"
	"math"
	"time"

	gax "github.com/googleapis/gax-go/v2"
	"google.golang.org/api/option"
	"google.golang.org/api/option/internaloption"
	gtransport "google.golang.org/api/transport/grpc"
	dataflowpb "google.golang.org/genproto/googleapis/dataflow/v1beta3"
	"google.golang.org/grpc"
	"google.golang.org/grpc/metadata"
)

var newTemplatesClientHook clientHook

// TemplatesCallOptions contains the retry settings for each method of TemplatesClient.
type TemplatesCallOptions struct {
	CreateJobFromTemplate []gax.CallOption
	LaunchTemplate        []gax.CallOption
	GetTemplate           []gax.CallOption
}

func defaultTemplatesGRPCClientOptions() []option.ClientOption {
	return []option.ClientOption{
		internaloption.WithDefaultEndpoint("dataflow.googleapis.com:443"),
		internaloption.WithDefaultMTLSEndpoint("dataflow.mtls.googleapis.com:443"),
		internaloption.WithDefaultAudience("https://dataflow.googleapis.com/"),
		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
		internaloption.EnableJwtWithScope(),
		option.WithGRPCDialOption(grpc.WithDisableServiceConfig()),
		option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
			grpc.MaxCallRecvMsgSize(math.MaxInt32))),
	}
}

func defaultTemplatesCallOptions() *TemplatesCallOptions {
	return &TemplatesCallOptions{
		CreateJobFromTemplate: []gax.CallOption{},
		LaunchTemplate:        []gax.CallOption{},
		GetTemplate:           []gax.CallOption{},
	}
}

// internalTemplatesClient is an interface that defines the methods availaible from Dataflow API.
type internalTemplatesClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	CreateJobFromTemplate(context.Context, *dataflowpb.CreateJobFromTemplateRequest, ...gax.CallOption) (*dataflowpb.Job, error)
	LaunchTemplate(context.Context, *dataflowpb.LaunchTemplateRequest, ...gax.CallOption) (*dataflowpb.LaunchTemplateResponse, error)
	GetTemplate(context.Context, *dataflowpb.GetTemplateRequest, ...gax.CallOption) (*dataflowpb.GetTemplateResponse, error)
}

// TemplatesClient is a client for interacting with Dataflow API.
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
//
// Provides a method to create Cloud Dataflow jobs from templates.
type TemplatesClient struct {
	// The internal transport-dependent client.
	internalClient internalTemplatesClient

	// The call options for this service.
	CallOptions *TemplatesCallOptions
}

// Wrapper methods routed to the internal client.

// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *TemplatesClient) Close() error {
	return c.internalClient.Close()
}

// setGoogleClientInfo sets the name and version of the application in
// the `x-goog-api-client` header passed on each request. Intended for
// use by Google-written clients.
func (c *TemplatesClient) setGoogleClientInfo(keyval ...string) {
	c.internalClient.setGoogleClientInfo(keyval...)
}

// Connection returns a connection to the API service.
//
// Deprecated.
func (c *TemplatesClient) Connection() *grpc.ClientConn {
	return c.internalClient.Connection()
}

// CreateJobFromTemplate creates a Cloud Dataflow job from a template.
func (c *TemplatesClient) CreateJobFromTemplate(ctx context.Context, req *dataflowpb.CreateJobFromTemplateRequest, opts ...gax.CallOption) (*dataflowpb.Job, error) {
	return c.internalClient.CreateJobFromTemplate(ctx, req, opts...)
}

// LaunchTemplate launch a template.
func (c *TemplatesClient) LaunchTemplate(ctx context.Context, req *dataflowpb.LaunchTemplateRequest, opts ...gax.CallOption) (*dataflowpb.LaunchTemplateResponse, error) {
	return c.internalClient.LaunchTemplate(ctx, req, opts...)
}

// GetTemplate get the template associated with a template.
func (c *TemplatesClient) GetTemplate(ctx context.Context, req *dataflowpb.GetTemplateRequest, opts ...gax.CallOption) (*dataflowpb.GetTemplateResponse, error) {
	return c.internalClient.GetTemplate(ctx, req, opts...)
}

// templatesGRPCClient is a client for interacting with Dataflow API over gRPC transport.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type templatesGRPCClient struct {
	// Connection pool of gRPC connections to the service.
	connPool gtransport.ConnPool

	// flag to opt out of default deadlines via GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE
	disableDeadlines bool

	// Points back to the CallOptions field of the containing TemplatesClient
	CallOptions **TemplatesCallOptions

	// The gRPC API client.
	templatesClient dataflowpb.TemplatesServiceClient

	// The x-goog-* metadata to be sent with each request.
	xGoogMetadata metadata.MD
}

// NewTemplatesClient creates a new templates service client based on gRPC.
// The returned client must be Closed when it is done being used to clean up its underlying connections.
//
// Provides a method to create Cloud Dataflow jobs from templates.
func NewTemplatesClient(ctx context.Context, opts ...option.ClientOption) (*TemplatesClient, error) {
	clientOpts := defaultTemplatesGRPCClientOptions()
	if newTemplatesClientHook != nil {
		hookOpts, err := newTemplatesClientHook(ctx, clientHookParams{})
		if err != nil {
			return nil, err
		}
		clientOpts = append(clientOpts, hookOpts...)
	}

	disableDeadlines, err := checkDisableDeadlines()
	if err != nil {
		return nil, err
	}

	connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
	if err != nil {
		return nil, err
	}
	client := TemplatesClient{CallOptions: defaultTemplatesCallOptions()}

	c := &templatesGRPCClient{
		connPool:         connPool,
		disableDeadlines: disableDeadlines,
		templatesClient:  dataflowpb.NewTemplatesServiceClient(connPool),
		CallOptions:      &client.CallOptions,
	}
	c.setGoogleClientInfo()

	client.internalClient = c

	return &client, nil
}

// Connection returns a connection to the API service.
//
// Deprecated.
func (c *templatesGRPCClient) Connection() *grpc.ClientConn {
	return c.connPool.Conn()
}

// setGoogleClientInfo sets the name and version of the application in
// the `x-goog-api-client` header passed on each request. Intended for
// use by Google-written clients.
func (c *templatesGRPCClient) setGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", versionGo()}, keyval...)
	kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version)
	c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
}

// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *templatesGRPCClient) Close() error {
	return c.connPool.Close()
}

func (c *templatesGRPCClient) CreateJobFromTemplate(ctx context.Context, req *dataflowpb.CreateJobFromTemplateRequest, opts ...gax.CallOption) (*dataflowpb.Job, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	ctx = insertMetadata(ctx, c.xGoogMetadata)
	opts = append((*c.CallOptions).CreateJobFromTemplate[0:len((*c.CallOptions).CreateJobFromTemplate):len((*c.CallOptions).CreateJobFromTemplate)], opts...)
	var resp *dataflowpb.Job
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.templatesClient.CreateJobFromTemplate(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *templatesGRPCClient) LaunchTemplate(ctx context.Context, req *dataflowpb.LaunchTemplateRequest, opts ...gax.CallOption) (*dataflowpb.LaunchTemplateResponse, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	ctx = insertMetadata(ctx, c.xGoogMetadata)
	opts = append((*c.CallOptions).LaunchTemplate[0:len((*c.CallOptions).LaunchTemplate):len((*c.CallOptions).LaunchTemplate)], opts...)
	var resp *dataflowpb.LaunchTemplateResponse
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.templatesClient.LaunchTemplate(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *templatesGRPCClient) GetTemplate(ctx context.Context, req *dataflowpb.GetTemplateRequest, opts ...gax.CallOption) (*dataflowpb.GetTemplateResponse, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	ctx = insertMetadata(ctx, c.xGoogMetadata)
	opts = append((*c.CallOptions).GetTemplate[0:len((*c.CallOptions).GetTemplate):len((*c.CallOptions).GetTemplate)], opts...)
	var resp *dataflowpb.GetTemplateResponse
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.templatesClient.GetTemplate(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}