package sdk

import (
	"context"
	mhayaGin "github.com/mhaya/components/gin"
	mhayaError "github.com/mhaya/error"
	mhayaString "github.com/mhaya/extend/string"
	cfacade "github.com/mhaya/facade"
	"github.com/mhaya/game/game_cluster/internal/code"
	"github.com/mhaya/game/game_cluster/internal/constant"
	"github.com/mhaya/game/game_cluster/internal/data"
	"github.com/mhaya/game/game_cluster/internal/mdb"
	"math"
	"math/rand"
)

// sdk平台类型
const (
	DevMode  int = 1 // 开发模式，注册开发帐号登陆(开发时使用)
	QuickSDK int = 2 // quick sdk
)

var (
	invokeMaps = make(map[int]Invoke)
)

type (
	Invoke interface {
		SdkId() int                                                        // sdk id
		Login(config *data.SdkConfigRow, params Params, callback Callback) // Login 登录验证接口
		PayCallback(config *data.SdkConfigRow, c *mhayaGin.Context)        // PayCallback 支付回调接口
	}

	Params map[string]string

	Callback func(code int32, result Params, error ...error)
)

func (p Params) GetInt(key string, defaultValue ...int) int {
	defVal := 0
	if len(defaultValue) > 0 {
		defVal = defaultValue[0]
	}

	val, found := p[key]
	if !found {
		return defVal
	}

	intVal, ok := mhayaString.ToInt(val)
	if ok {
		return intVal
	}

	return defVal
}

func (p Params) GetString(key string) (string, bool) {
	v, ok := p[key]
	return v, ok
}

func register(invoke Invoke) {
	invokeMaps[invoke.SdkId()] = invoke
}

func GetInvoke(sdkId int) (invoke Invoke, error error) {
	invoke, found := invokeMaps[sdkId]
	if found == false {
		return nil, mhayaError.Errorf("[sdkId = %d] not found.", sdkId)
	}

	return invoke, nil
}

func Init(app cfacade.IApplication) {
	register(quickSdk{app})
}

func SetNode(app cfacade.IApplication) (string, int32) {
	var nodeId string
	list := app.Discovery().ListByType("game")
	lNode := len(list)
	key := 0
	if lNode == 0 {
		return "", code.AccountBindFail
	} else if lNode > 1 {
		key = rand.Intn(lNode)
	}
	nodeId = list[key].GetNodeId()
	if lNode > 0 {
		m, err := mdb.RDB.HGetAll(context.Background(), constant.ServerLoadHKey).Result()
		if err != nil {
			nodeId = list[key].GetNodeId()
		}
		if len(m) == 0 {
			nodeId = list[key].GetNodeId()
		} else {
			num := math.MaxInt
			for _, v := range list {
				id := v.GetNodeId()
				total, ok := mhayaString.ToInt(m[id])
				if ok {
					if total < num {
						num = total
						nodeId = v.GetNodeId()
					}
				} else {
					mdb.RDB.HSet(context.Background(), constant.ServerLoadHKey, id, 0)
				}
			}
		}
	}
	return nodeId, code.OK
}