package db

import (
	"errors"
	cherryApp "f1-game/internal/cherry_app"
	dbFacade "f1-game/internal/component/db/facade"
	nameDB "f1-game/internal/name/db"

	ctime "github.com/cherry-game/cherry/extend/time"
	clog "github.com/cherry-game/cherry/logger"
	"go.mongodb.org/mongo-driver/v2/bson"
	"go.mongodb.org/mongo-driver/v2/mongo"
)

type (
	// NodeTable 节点信息表，记录当前节点全局信息
	NodeTable struct {
		NodeID             string `bson:"NodeID,omitempty"`
		FirstStartTime     int64  `bson:"FirstStartTime,omitempty"`
		LastStartTime      int64  `bson:"LastStartTime,omitempty"`
		dbFacade.TableBase `bson:",inline"`
	}
)

func (p *NodeTable) TableName() string {
	return nameDB.Table_Node
}

func (p *NodeTable) PrimaryValue() any {
	return p.NodeID
}

func (p *NodeTable) CheckField() {

}

func (p *NodeTable) Save2Queue() {
	save2Queue(p)
}

// IsFirstTime 是否为首次开服
func (p *NodeTable) IsFirstTime() bool {
	return p.FirstStartTime > 0 && p.FirstStartTime == p.LastStartTime
}

func NodeIsFirstTime() bool {
	nodeTable, _ := GetNodeTable(cherryApp.NodeID())
	return nodeTable.IsFirstTime()
}

func GetNodeTable(nodeID string) (*NodeTable, bool) {
	if val, ok := nodeTableCache.GetIfPresent(nodeID); ok {
		return val.(*NodeTable), true
	}

	nodeTable, found := GetNodeTableFromDB(nodeID)
	nodeTableCache.Put(nodeID, nodeTable)

	return nodeTable, found
}

func nodeCheck() {
	nodeTable, found := GetNodeTable(cherryApp.NodeID())
	if !found {
		now := ctime.Now().ToMillisecond()
		nodeTable.FirstStartTime = now
		nodeTable.LastStartTime = now
	} else {
		nodeTable.LastStartTime = ctime.Now().ToMillisecond()
	}

	nodeTable.Save2Queue()
}

func GetNodeTableFromDB(nodeID string) (*NodeTable, bool) {
	table := newNodeTable(nodeID)
	filter := bson.M{
		nameDB.Field_NodeID: table.NodeID,
	}

	err := dbComponent.FindOne(table, filter)
	if err != nil {
		if errors.Is(err, mongo.ErrNoDocuments) {
			clog.Warnf("[nodeID = %s] not found, create new one", nodeID)
			return table, false
		}

		clog.Errorf("[nodeID = %s] db error = %v", nodeID, err)
		return table, false
	}

	table.CheckField()

	return table, true
}

func newNodeTable(nodeID string) *NodeTable {
	return &NodeTable{
		NodeID:         nodeID,
		FirstStartTime: 0,
		LastStartTime:  0,
	}
}