package gameserver

import (
	"log"
	"time"

	"ananta-ps/pkg/protocol"
)

type RacingSession struct {
	TaskID          uint32
	VehicleID       uint64
	CurrentGate     uint32
	TotalGates      uint32
	StartTime       time.Time
	IsActive        bool
}

func (s *Server) handleAskAcceptAndSetCurrentTask(sess *Session, pkt *protocol.RpcPacket) error {
	r := protocol.NewUxReader(pkt.Body)
	taskId, _ := r.U32()

	log.Printf("[RACING] AskAcceptAndSetCurrentTask taskId=%d", taskId)
	if err := sess.ReturnEmptyOk(pkt.InvokeID, pkt.MethodID); err != nil {
		return err
	}

	if taskId == 60000147 { // Ace Driver - City Night Race
		sess.racing = &RacingSession{
			TaskID:      taskId,
			CurrentGate: 0,
			TotalGates:  12,
			StartTime:   time.Now(),
			IsActive:    true,
		}
		log.Printf("[RACING] Ignited City Night Race (12 checkpoint gates) for player %d", sess.pid)

		// SyncRaceCountdown (3, 2, 1, GO)
		wRace := protocol.NewUxWriter()
		wRace.U32(taskId).U32(12).U32(3) // 3 seconds countdown
		return sess.NotifyData(protocol.MethodGetMethodIDDefault("SyncRaceCountdown", 68582890), wRace.Bytes())
	}
	return nil
}

func (s *Server) handleAskSetRacingCompetitionVehicle(sess *Session, pkt *protocol.RpcPacket) error {
	r := protocol.NewUxReader(pkt.Body)
	vehUnitId, _ := r.U64()

	log.Printf("[RACING] Bound competition vehicle %d", vehUnitId)
	if sess.racing != nil {
		sess.racing.VehicleID = vehUnitId
	}
	return sess.ReturnEmptyOk(pkt.InvokeID, pkt.MethodID)
}

func (s *Server) handleAskSetTaskCounterValue(sess *Session, pkt *protocol.RpcPacket) error {
	r := protocol.NewUxReader(pkt.Body)
	taskId, _ := r.U32()
	counterVal, _ := r.U32()

	log.Printf("[RACING] Checkpoint passed task=%d gate=%d", taskId, counterVal)
	if sess.racing != nil {
		sess.racing.CurrentGate = counterVal
		if counterVal >= sess.racing.TotalGates {
			duration := time.Since(sess.racing.StartTime).Seconds()
			log.Printf("[RACING] Race finished in %.2f seconds!", duration)
			sess.racing.IsActive = false

			// SyncRaceFinish
			wFin := protocol.NewUxWriter()
			wFin.U32(taskId).F32(float32(duration)).Bool(true)
			_ = sess.NotifyData(protocol.MethodGetMethodIDDefault("SyncRaceFinish", 68582891), wFin.Bytes())
		}
	}
	return sess.ReturnEmptyOk(pkt.InvokeID, pkt.MethodID)
}