package api

import (
	"context"
	"gim/internal/logic/app"
	"gim/pkg/grpclib"
	"gim/pkg/pb"
	"google.golang.org/protobuf/proto"
)

type LogicExtServer struct{}

// RegisterDevice 注册设备
func (*LogicExtServer) RegisterDevice(ctx context.Context, in *pb.RegisterDeviceReq) (*pb.RegisterDeviceResp, error) {
	deviceId, err := app.DeviceApp.Register(ctx, in)
	return &pb.RegisterDeviceResp{DeviceId: deviceId}, err
}

// SendMessage 发送消息
func (*LogicExtServer) SendMessage(ctx context.Context, in *pb.SendMessageReq) (*pb.SendMessageResp, error) {
	userId, deviceId, err := grpclib.GetCtxData(ctx)
	if err != nil {
		return nil, err
	}
	if in.MessageContentBack != "" {
		buf, err := proto.Marshal(&pb.Text{
			Text: in.MessageContentBack,
		})
		if err != nil {
			return nil, err
		}
		in.MessageContent = buf
	}
	sender := pb.Sender{
		SenderType: pb.SenderType_ST_USER,
		SenderId:   userId,
		DeviceId:   deviceId,
	}
	seq, err := app.MessageApp.SendMessage(ctx, &sender, in)
	if err != nil {
		return nil, err
	}
	return &pb.SendMessageResp{Seq: seq}, nil
}

// PushRoom  推送房间
func (s *LogicExtServer) PushRoom(ctx context.Context, req *pb.PushRoomReq) (*pb.Empty, error) {
	userId, deviceId, err := grpclib.GetCtxData(ctx)
	if err != nil {
		return nil, err
	}
	return &pb.Empty{}, app.RoomApp.Push(ctx, &pb.Sender{
		SenderType: pb.SenderType_ST_USER,
		SenderId:   userId,
		DeviceId:   deviceId,
	}, req)
}

func (s *LogicExtServer) AddFriend(ctx context.Context, in *pb.AddFriendReq) (*pb.Empty, error) {
	userId, _, err := grpclib.GetCtxData(ctx)
	if err != nil {
		return nil, err
	}

	err = app.FriendApp.AddFriend(ctx, userId, in.FriendId, in.Remarks, in.Description)
	if err != nil {
		return nil, err
	}

	return &pb.Empty{}, nil
}

func (s *LogicExtServer) AgreeAddFriend(ctx context.Context, in *pb.AgreeAddFriendReq) (*pb.Empty, error) {
	userId, _, err := grpclib.GetCtxData(ctx)
	if err != nil {
		return nil, err
	}

	err = app.FriendApp.AgreeAddFriend(ctx, userId, in.UserId, in.Remarks)
	if err != nil {
		return nil, err
	}

	return &pb.Empty{}, nil
}

func (s *LogicExtServer) SetFriend(ctx context.Context, req *pb.SetFriendReq) (*pb.SetFriendResp, error) {
	userId, _, err := grpclib.GetCtxData(ctx)
	if err != nil {
		return nil, err
	}

	app.FriendApp.SetFriend(ctx, userId, req)
	if err != nil {
		return nil, err
	}
	return &pb.SetFriendResp{}, nil
}

func (s *LogicExtServer) GetFriends(ctx context.Context, in *pb.Empty) (*pb.GetFriendsResp, error) {
	userId, _, err := grpclib.GetCtxData(ctx)
	if err != nil {
		return nil, err
	}
	friends, err := app.FriendApp.List(ctx, userId)
	return &pb.GetFriendsResp{Friends: friends}, err
}

// CreateGroup 创建群组
func (*LogicExtServer) CreateGroup(ctx context.Context, in *pb.CreateGroupReq) (*pb.CreateGroupResp, error) {
	userId, _, err := grpclib.GetCtxData(ctx)
	if err != nil {
		return nil, err
	}

	groupId, err := app.GroupApp.CreateGroup(ctx, userId, in)
	return &pb.CreateGroupResp{GroupId: groupId}, err
}

// UpdateGroup 更新群组
func (*LogicExtServer) UpdateGroup(ctx context.Context, in *pb.UpdateGroupReq) (*pb.Empty, error) {
	userId, _, err := grpclib.GetCtxData(ctx)
	if err != nil {
		return nil, err
	}

	return &pb.Empty{}, app.GroupApp.Update(ctx, userId, in)
}

// GetGroup 获取群组信息
func (*LogicExtServer) GetGroup(ctx context.Context, in *pb.GetGroupReq) (*pb.GetGroupResp, error) {
	group, err := app.GroupApp.GetGroup(ctx, in.GroupId)
	return &pb.GetGroupResp{Group: group}, err
}

// GetGroups 获取用户加入的所有群组
func (*LogicExtServer) GetGroups(ctx context.Context, in *pb.Empty) (*pb.GetGroupsResp, error) {
	userId, _, err := grpclib.GetCtxData(ctx)
	if err != nil {
		return nil, err
	}

	groups, err := app.GroupApp.GetUserGroups(ctx, userId)
	return &pb.GetGroupsResp{Groups: groups}, err
}

func (s *LogicExtServer) AddGroupMembers(ctx context.Context, in *pb.AddGroupMembersReq) (*pb.AddGroupMembersResp, error) {
	userId, _, err := grpclib.GetCtxData(ctx)
	if err != nil {
		return nil, err
	}

	userIds, err := app.GroupApp.AddMembers(ctx, userId, in.GroupId, in.UserIds)
	return &pb.AddGroupMembersResp{UserIds: userIds}, err
}

// UpdateGroupMember 更新群组成员信息
func (*LogicExtServer) UpdateGroupMember(ctx context.Context, in *pb.UpdateGroupMemberReq) (*pb.Empty, error) {
	return &pb.Empty{}, app.GroupApp.UpdateMember(ctx, in)
}

// DeleteGroupMember 添加群组成员
func (*LogicExtServer) DeleteGroupMember(ctx context.Context, in *pb.DeleteGroupMemberReq) (*pb.Empty, error) {
	userId, _, err := grpclib.GetCtxData(ctx)
	if err != nil {
		return nil, err
	}

	err = app.GroupApp.DeleteMember(ctx, in.GroupId, in.UserId, userId)
	return &pb.Empty{}, err
}

// GetGroupMembers 获取群组成员信息
func (s *LogicExtServer) GetGroupMembers(ctx context.Context, in *pb.GetGroupMembersReq) (*pb.GetGroupMembersResp, error) {
	members, err := app.GroupApp.GetMembers(ctx, in.GroupId)
	return &pb.GetGroupMembersResp{Members: members}, err
}