package handler

import (
	"ecs/proto"
	"ecs/proto/pb"
	"ecs/servers/game/data"
	"ecs/servers/game/logic"
	"github.com/oylshe1314/framework/client/rpc"
	"github.com/oylshe1314/framework/net"
	"github.com/oylshe1314/framework/server"
	"github.com/oylshe1314/framework/util"
)

type userAuthContext struct {
	newId     uint64
	players   []*logic.Player
	verifyAck *proto.MsgUserTokenVerifyAck
}

type MessageHandler struct {
	Handler
}

func NewMessageHandler(svr server.Server, httpRpcClient rpc.HttpRpcClient, tables *data.Tables, eventManager *logic.EventManager, serverManager *logic.ServerManager, playerManager *logic.PlayerManager) *MessageHandler {
	return &MessageHandler{
		Handler: Handler{
			server:        svr,
			httpRpcClient: httpRpcClient,
			tables:        tables,
			eventManager:  eventManager,
			serverManager: serverManager,
			playerManager: playerManager},
	}
}

func (this *MessageHandler) TipNotice(conn *net.Conn, err error) error {
	//return conn.Send(uint16(pb.ModId_ModuleCommon), uint16(pb.MsgId_ModCommonTipNotice), &proto.MsgTipNoticeAck{Message: this.tables.TipNotice.GetLang(err.Error(), int(proto.LanguageSimpleChinese))})
	return conn.Send(uint16(pb.ModId_ModuleCommon), uint16(pb.MsgId_ModCommonTipNotice), &pb.TipNoticeAck{Message: err.Error()})
}

func (this *MessageHandler) HandleConnect(conn *net.Conn) {
	conn.Beating(uint16(pb.ModId_ModuleCommon), uint16(pb.MsgId_ModCommonHeartbeat), 60)
}

func (this *MessageHandler) HandleDisconnect(conn *net.Conn) {
	var object = conn.Object()
	if object == nil {
		return
	}

	player, ok := object.(*logic.Player)
	if !ok {
		return
	}

	this.playerManager.Lost(player)

	this.eventManager.PlayerLogin(player, logic.LogTypePlayerLost, 0, conn.RemoteAddr())
}

func (this *MessageHandler) Heartbeat(msg *net.Message) {
	var req = new(pb.HeartbeatReq)
	var err = msg.Read(req)
	if err != nil {
		this.Logger().Error(err)
		_ = this.TipNotice(msg.Conn, proto.ErrMessageError)
		return
	}
	var now = util.NowUnix()
	msg.Conn.Beat(now)
	var ack = &pb.HeartbeatAck{Index: req.Index, ServerTime: now}
	_ = msg.Reply(ack)
}

func (this *MessageHandler) UserAuth(msg *net.Message) {
	var req = new(pb.UserAuthReq)
	var err = msg.Read(req)
	if err != nil {
		this.Logger().Error(err)
		_ = this.TipNotice(msg.Conn, proto.ErrMessageError)
		return
	}

	if len(req.Token) == 0 {
		this.Logger().Error("User auth token is empty")
		_ = this.TipNotice(msg.Conn, proto.ErrInvalidToken)
		return
	}

	var verifyReq = &proto.MsgUserTokenVerifyReq{Token: req.GetToken(), ServerId: this.serverManager.Config().AreaConfig.Id}
	if this.Logger().IsDebugEnabled() {
		this.Logger().Debugf("[user:/verify/token] -> verifyReq: %s", util.ToJsonString(verifyReq))
	}

	var verifyAck = new(proto.MsgUserTokenVerifyAck)
	reply, err := this.httpRpcClient.RandPost("user", "/verify/token", nil, verifyReq, verifyAck)
	if err != nil {
		this.Logger().Error(err)
		_ = this.TipNotice(msg.Conn, proto.ErrInternalError)
		return
	}

	if err = reply.Error(); err != nil {
		this.Logger().Error(reply.Message)
		_ = this.TipNotice(msg.Conn, err)
		return
	}

	if reply.Data == nil {
		this.Logger().Error("User auth token verify error, reply.Data == nil")
		_ = this.TipNotice(msg.Conn, proto.ErrInvalidToken)
		return
	}

	if this.Logger().IsDebugEnabled() {
		this.Logger().Debugf("[user:/verify/token] <- verifyAck: %s", util.ToJsonString(verifyAck))
	}

	if !proto.CheckPlatform(verifyAck.Platform) {
		this.Logger().Error("User auth token verify ack platform error, platfrom: ", verifyAck.Platform)
		_ = this.TipNotice(msg.Conn, proto.ErrInternalError)
		return
	}

	if !proto.CheckChannel(verifyAck.Channel) {
		this.Logger().Error("User auth token verify ack channel error, channel: ", verifyAck.Channel)
		_ = this.TipNotice(msg.Conn, proto.ErrInternalError)
		return
	}

	players, err := this.playerManager.QueryPlayers(verifyAck.UserId) //query player from database
	if err != nil {
		this.Logger().Error(err)
		_ = this.TipNotice(msg.Conn, proto.ErrInternalError)
		return
	}

	var roleList []*pb.Role
	for i := range players {
		if players[i].BanningTime < 0 || players[i].BanningTime > util.NowUnix() {
			this.Logger().Error("Player role banned, roleId: %d, banTime: %d", players[i].RoleId, players[i].BanningTime)
			continue
		}

		var player = this.playerManager.GetPlayer(players[i].RoleId) //get player from memory
		if player != nil {
			this.playerManager.Kick(player, proto.ErrLoginOtherPlace.Error())
			this.eventManager.PlayerLogin(player, logic.LogTypePlayerKickOut, 0, player.Temp.Address)
			player = nil
		}

		roleList = append(roleList, &pb.Role{Id: players[i].RoleId, Name: players[i].RoleName, Gender: players[i].RoleGender})
	}

	msg.Conn.BindObject(&userAuthContext{players: players, verifyAck: verifyAck})

	var ack = &pb.UserAuthAck{UserId: verifyAck.UserId, RoleList: roleList}
	_ = msg.Reply(ack)
}

func (this *MessageHandler) RoleCreate(msg *net.Message) {
	var object = msg.Conn.Object()
	if object == nil {
		_ = this.TipNotice(msg.Conn, proto.ErrUserNotLogin)
		return
	}

	authCtx, ok := object.(*userAuthContext)
	if !ok {
		_ = this.TipNotice(msg.Conn, proto.ErrBadRequest)
		return
	}

	if len(authCtx.players) >= this.serverManager.Config().MaxRoles {
		_ = this.TipNotice(msg.Conn, proto.ErrRolesAlreadyMax)
		return
	}

	var req = new(pb.RoleCreateReq)
	var err = msg.Read(req)
	if err != nil {
		this.Logger().Error(err)
		_ = this.TipNotice(msg.Conn, proto.ErrMessageError)
		return
	}

	if len(req.Name) == 0 {
		this.Logger().Error("Parameter error, req.Name can not be empty")
		_ = this.TipNotice(msg.Conn, proto.ErrParameterError)
		return
	}

	if req.Gender != 0 && req.Gender != 1 {
		this.Logger().Error("Parameter error, req.Gender: ", req.Gender)
		_ = this.TipNotice(msg.Conn, proto.ErrParameterError)
		return
	}

	roleId, err := this.playerManager.NewRoleId()
	if err != nil {
		this.Logger().Error(err)
		_ = this.TipNotice(msg.Conn, proto.ErrInternalError)
		return
	}

	var areaConfig = this.serverManager.Config().AreaConfig

	var player = this.playerManager.NewPlayer()
	player.RoleId = roleId
	player.Platform = authCtx.verifyAck.Platform
	player.Channel = authCtx.verifyAck.Channel
	player.UserId = authCtx.verifyAck.UserId
	player.ServerId = areaConfig.Id
	player.Username = authCtx.verifyAck.Username
	player.CreateTime = util.NowUnix()

	player.Language = 0
	player.RoleName = req.Name
	player.RoleGender = req.Gender

	err = this.playerManager.SavePlayer(player)
	if err != nil {
		this.Logger().Error(err)
		_ = this.TipNotice(msg.Conn, proto.ErrInternalError)
		return
	}

	authCtx.newId = player.RoleId
	authCtx.players = append(authCtx.players, player)

	_ = msg.Reply(&pb.RoleCreateAck{Role: &pb.Role{Id: player.RoleId, Name: player.RoleName, Gender: player.RoleGender}})

	this.eventManager.PlayerCreate(player, logic.LogTypePlayerRoleCreate)
}

func (this *MessageHandler) RoleLogin(msg *net.Message) {
	var object = msg.Conn.Object()
	if object == nil {
		_ = this.TipNotice(msg.Conn, proto.ErrUserNotLogin)
		return
	}

	authCtx, ok := object.(*userAuthContext)
	if !ok {
		_ = this.TipNotice(msg.Conn, proto.ErrBadRequest)
		return
	}

	if len(authCtx.players) == 0 {
		_ = this.TipNotice(msg.Conn, proto.ErrRoleNotCreated)
		return
	}

	var req = new(pb.RoleLoginReq)
	var err = msg.Read(req)
	if err != nil {
		this.Logger().Error(err)
		_ = this.TipNotice(msg.Conn, proto.ErrMessageError)
		return
	}

	if req.RoleId == 0 {
		this.Logger().Error("Parameter error, req.RoleId: ", req.RoleId)
		_ = this.TipNotice(msg.Conn, proto.ErrParameterError)
		return
	}

	var player *logic.Player
	for i := range authCtx.players {
		if authCtx.players[i].RoleId == req.RoleId {
			player = authCtx.players[i]
			if player.RoleId != authCtx.newId {
				player, err = this.playerManager.QueryPlayer(req.RoleId)
				if err != nil {
					this.Logger().Error(err)
					_ = this.TipNotice(msg.Conn, proto.ErrInternalError)
					return
				}
			}
			break
		}
	}

	if player == nil {
		this.Logger().Error("Parameter error, req.RoleId: ", req.RoleId)
		_ = this.TipNotice(msg.Conn, proto.ErrRoleNotFound)
		return
	}

	player.Temp.Address = msg.Conn.RemoteAddr()

	msg.Conn.BindObject(player)
	this.playerManager.Enter(player, msg.Conn)

	this.eventManager.PlayerLogin(player, logic.LogTypePlayerRoleLogin, 0, msg.Conn.RemoteAddr())
}

func (this *MessageHandler) RoleLogout(msg *net.Message) {
	var object = msg.Conn.Object()
	if object == nil {
		return
	}

	msg.Conn.ClearObject()

	player, ok := object.(*logic.Player)
	if !ok {
		return
	}

	this.playerManager.Exit(player)

	this.eventManager.PlayerLogin(player, logic.LogTypePlayerRoleLogout, 0, msg.Conn.RemoteAddr())
}

func (this *MessageHandler) Reconnect(msg *net.Message) {
	var req = new(pb.ReconnectReq)
	var err = msg.Read(req)
	if err != nil {
		this.Logger().Error(err)
		_ = this.TipNotice(msg.Conn, proto.ErrMessageError)
		_ = msg.Conn.Send(uint16(pb.ModId_ModuleLevel), uint16(pb.MsgId_ModLevelSceneEnter), &pb.SceneEnterAck{SceneId: 2})
		return
	}

	var player = this.playerManager.GetPlayer(req.RoleId)
	if player == nil {
		_ = this.TipNotice(msg.Conn, proto.ErrUserNotLogin)
		_ = msg.Conn.Send(uint16(pb.ModId_ModuleLevel), uint16(pb.MsgId_ModLevelSceneEnter), &pb.SceneEnterAck{SceneId: 2})
		return
	}

	player.Temp.Address = msg.Conn.RemoteAddr()

	msg.Conn.BindObject(player)
	this.playerManager.Reenter(player, msg.Conn)

	this.eventManager.PlayerLogin(player, logic.LogTypePlayerReconnect, 0, msg.Conn.RemoteAddr())
}

func (this *MessageHandler) Message(msg *net.Message) {
	var object = msg.Conn.Object()
	if object == nil {
		_ = this.TipNotice(msg.Conn, proto.ErrUserNotLogin)
		return
	}

	player, ok := object.(*logic.Player)
	if !ok {
		_ = this.TipNotice(msg.Conn, proto.ErrRoleNotLogged)
		return
	}

	//player = this.playerManager.GetPlayer(player.UserId)
	//if player == nil {
	//	_ = this.TipNotice(msg.Conn, proto.ErrRoleNotLogged)
	//	return
	//}

	this.playerManager.Handle(player, msg)
}