/*
   Copyright 2021 Erigon contributors

   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

       http://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.
*/

package direct

import (
	"context"
	"io"

	txpool_proto "github.com/ledgerwatch/erigon-lib/gointerfaces/txpool"
	"github.com/ledgerwatch/erigon-lib/gointerfaces/types"
	"google.golang.org/grpc"
	"google.golang.org/protobuf/types/known/emptypb"
)

var _ txpool_proto.MiningClient = (*MiningClient)(nil)

type MiningClient struct {
	server txpool_proto.MiningServer
}

func NewMiningClient(server txpool_proto.MiningServer) *MiningClient {
	return &MiningClient{server: server}
}

func (s *MiningClient) Version(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*types.VersionReply, error) {
	return s.server.Version(ctx, in)
}

// -- start OnPendingBlock

func (s *MiningClient) OnPendingBlock(ctx context.Context, in *txpool_proto.OnPendingBlockRequest, opts ...grpc.CallOption) (txpool_proto.Mining_OnPendingBlockClient, error) {
	ch := make(chan *onPendigBlockReply, 16384)
	streamServer := &MiningOnPendingBlockS{ch: ch, ctx: ctx}
	go func() {
		defer close(ch)
		streamServer.Err(s.server.OnPendingBlock(in, streamServer))
	}()
	return &MiningOnPendingBlockC{ch: ch, ctx: ctx}, nil
}

type onPendigBlockReply struct {
	r   *txpool_proto.OnPendingBlockReply
	err error
}

type MiningOnPendingBlockS struct {
	ch  chan *onPendigBlockReply
	ctx context.Context
	grpc.ServerStream
}

func (s *MiningOnPendingBlockS) Send(m *txpool_proto.OnPendingBlockReply) error {
	s.ch <- &onPendigBlockReply{r: m}
	return nil
}
func (s *MiningOnPendingBlockS) Context() context.Context { return s.ctx }
func (s *MiningOnPendingBlockS) Err(err error) {
	if err == nil {
		return
	}
	s.ch <- &onPendigBlockReply{err: err}
}

type MiningOnPendingBlockC struct {
	ch  chan *onPendigBlockReply
	ctx context.Context
	grpc.ClientStream
}

func (c *MiningOnPendingBlockC) Recv() (*txpool_proto.OnPendingBlockReply, error) {
	m, ok := <-c.ch
	if !ok || m == nil {
		return nil, io.EOF
	}
	return m.r, m.err
}
func (c *MiningOnPendingBlockC) Context() context.Context { return c.ctx }

// -- end OnPendingBlock
// -- start OnMinedBlock

func (s *MiningClient) OnMinedBlock(ctx context.Context, in *txpool_proto.OnMinedBlockRequest, opts ...grpc.CallOption) (txpool_proto.Mining_OnMinedBlockClient, error) {
	ch := make(chan *onMinedBlockReply, 16384)
	streamServer := &MiningOnMinedBlockS{ch: ch, ctx: ctx}
	go func() {
		defer close(ch)
		streamServer.Err(s.server.OnMinedBlock(in, streamServer))
	}()
	return &MiningOnMinedBlockC{ch: ch, ctx: ctx}, nil
}

type onMinedBlockReply struct {
	r   *txpool_proto.OnMinedBlockReply
	err error
}

type MiningOnMinedBlockS struct {
	ch  chan *onMinedBlockReply
	ctx context.Context
	grpc.ServerStream
}

func (s *MiningOnMinedBlockS) Send(m *txpool_proto.OnMinedBlockReply) error {
	s.ch <- &onMinedBlockReply{r: m}
	return nil
}
func (s *MiningOnMinedBlockS) Context() context.Context { return s.ctx }
func (s *MiningOnMinedBlockS) Err(err error) {
	if err == nil {
		return
	}
	s.ch <- &onMinedBlockReply{err: err}
}

type MiningOnMinedBlockC struct {
	ch  chan *onMinedBlockReply
	ctx context.Context
	grpc.ClientStream
}

func (c *MiningOnMinedBlockC) Recv() (*txpool_proto.OnMinedBlockReply, error) {
	m, ok := <-c.ch
	if !ok || m == nil {
		return nil, io.EOF
	}
	return m.r, m.err
}
func (c *MiningOnMinedBlockC) Context() context.Context { return c.ctx }

// -- end OnMinedBlock
// -- end OnPendingLogs

func (s *MiningClient) OnPendingLogs(ctx context.Context, in *txpool_proto.OnPendingLogsRequest, opts ...grpc.CallOption) (txpool_proto.Mining_OnPendingLogsClient, error) {
	ch := make(chan *onPendingLogsReply, 16384)
	streamServer := &MiningOnPendingLogsS{ch: ch, ctx: ctx}
	go func() {
		defer close(ch)
		streamServer.Err(s.server.OnPendingLogs(in, streamServer))
	}()
	return &MiningOnPendingLogsC{ch: ch, ctx: ctx}, nil
}

type onPendingLogsReply struct {
	r   *txpool_proto.OnPendingLogsReply
	err error
}
type MiningOnPendingLogsS struct {
	ch  chan *onPendingLogsReply
	ctx context.Context
	grpc.ServerStream
}

func (s *MiningOnPendingLogsS) Send(m *txpool_proto.OnPendingLogsReply) error {
	s.ch <- &onPendingLogsReply{r: m}
	return nil
}
func (s *MiningOnPendingLogsS) Context() context.Context { return s.ctx }
func (s *MiningOnPendingLogsS) Err(err error) {
	if err == nil {
		return
	}
	s.ch <- &onPendingLogsReply{err: err}
}

type MiningOnPendingLogsC struct {
	ch  chan *onPendingLogsReply
	ctx context.Context
	grpc.ClientStream
}

func (c *MiningOnPendingLogsC) Recv() (*txpool_proto.OnPendingLogsReply, error) {
	m, ok := <-c.ch
	if !ok || m == nil {
		return nil, io.EOF
	}
	return m.r, m.err
}
func (c *MiningOnPendingLogsC) Context() context.Context { return c.ctx }

// -- end OnPendingLogs

func (s *MiningClient) GetWork(ctx context.Context, in *txpool_proto.GetWorkRequest, opts ...grpc.CallOption) (*txpool_proto.GetWorkReply, error) {
	return s.server.GetWork(ctx, in)
}

func (s *MiningClient) SubmitWork(ctx context.Context, in *txpool_proto.SubmitWorkRequest, opts ...grpc.CallOption) (*txpool_proto.SubmitWorkReply, error) {
	return s.server.SubmitWork(ctx, in)
}

func (s *MiningClient) SubmitHashRate(ctx context.Context, in *txpool_proto.SubmitHashRateRequest, opts ...grpc.CallOption) (*txpool_proto.SubmitHashRateReply, error) {
	return s.server.SubmitHashRate(ctx, in)
}

func (s *MiningClient) HashRate(ctx context.Context, in *txpool_proto.HashRateRequest, opts ...grpc.CallOption) (*txpool_proto.HashRateReply, error) {
	return s.server.HashRate(ctx, in)
}

func (s *MiningClient) Mining(ctx context.Context, in *txpool_proto.MiningRequest, opts ...grpc.CallOption) (*txpool_proto.MiningReply, error) {
	return s.server.Mining(ctx, in)
}