package rpc

import (
	"context"
	"encoding/json"
	"fmt"
	"github.com/furryboard/spider-core/biliapi"
	"github.com/furryboard/spider-core/rpc/pb"
	"github.com/mitchellh/mapstructure"
	"google.golang.org/grpc"
	"google.golang.org/grpc/reflection"
)

type Service struct {
	pb.UnimplementedBiliAPIServer
}

// GetUserStat 用户统计信息
func (s *Service) GetUserStat(ctx context.Context, req *pb.StatRequest) (*pb.StatReply, error) {
	body, err := biliapi.UserStat(uint(req.Uid))
	if err != nil {
		return &pb.StatReply{
			Code: 400,
			Msg:  err.Error(),
			Data: nil,
		}, err
	}

	bodyObj := biliapi.Root{}
	err = json.Unmarshal(body, &bodyObj)
	if err != nil {
		return &pb.StatReply{
			Code: 400,
			Msg:  err.Error(),
			Data: nil,
		}, err
	}

	if bodyObj.Code != 0 {
		fmt.Println("bad request: " + bodyObj.Message)
		return &pb.StatReply{
			Code: int32(bodyObj.Code),
			Msg:  bodyObj.Message,
			Data: nil,
		}, err
	}

	data := &biliapi.StatData{}
	err = mapstructure.Decode(bodyObj.Data, data)
	if err != nil {
		return &pb.StatReply{
			Code: 500,
			Msg:  err.Error(),
			Data: nil,
		}, err
	}
	statData := pb.StatReply_Data{
		Mid:       data.Mid,
		Following: data.Following,
		Whisper:   data.Whisper,
		Black:     data.Black,
		Follower:  data.Follower,
	}
	return &pb.StatReply{
		Code: 200,
		Msg:  "",
		Data: &statData,
	}, nil
}

// GetUserBasicInfo 用户基础信息
func (s *Service) GetUserBasicInfo(ctx context.Context, req *pb.InfoRequest) (*pb.InfoReply, error) {
	body, err := biliapi.BasicInfo(uint(req.Uid))
	bodyObj := biliapi.Root{}
	err = json.Unmarshal(body, &bodyObj)
	if err != nil {
		fmt.Println("bad request: " + err.Error())
		return &pb.InfoReply{
			Code: 400,
			Msg:  err.Error(),
			Data: nil,
		}, err
	}

	if bodyObj.Code != 0 {
		fmt.Println("bad request: " + bodyObj.Message)
		return &pb.InfoReply{
			Code: int32(bodyObj.Code),
			Msg:  bodyObj.Message,
			Data: nil,
		}, err
	}

	// interface映射到结构体
	data := &pb.InfoReply_Data{}
	err = mapstructure.Decode(bodyObj.Data, data)
	if err != nil {
		return &pb.InfoReply{
			Code: 500,
			Msg:  err.Error(),
			Data: nil,
		}, err
	}
	return &pb.InfoReply{
		Code: 200,
		Msg:  "",
		Data: data,
	}, nil

}

func RegisterServices(s *grpc.Server) {
	pb.RegisterBiliAPIServer(s, &Service{})
	reflection.Register(s)
}