package fsmwizard

import (
	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/iface"
	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/pkg/fsm"
	"github.com/mymmrac/telego"
	tu "github.com/mymmrac/telego/telegoutil"
)

const WaitingForMemberWebhookStateID fsm.StateID = "waiting_for_member_webhook"

type WaitingForMemberWebhookState struct {
	State
}

func NewWaitingForMemberWebhookState(app iface.App) fsm.IState[Wizard] {
	return &WaitingForMemberWebhookState{newBase(app)}
}

func (s *WaitingForMemberWebhookState) Enter(pl *Wizard, mc fsm.MachineControls[Wizard]) error {
	cm := pl.Data.MyChatMember
	if cm == nil {
		return nil
	}
	if !cm.OldChatMember.MemberIsMember() && cm.OldChatMember.MemberUser().ID == s.App.TGProfile().ID &&
		cm.NewChatMember.MemberIsMember() && cm.NewChatMember.MemberUser().ID == s.App.TGProfile().ID {
		s.MoveForHandling(mc, AddChatMemberStateID, pl)
		return nil
	}
	if cm.OldChatMember.MemberIsMember() && cm.OldChatMember.MemberUser().ID == s.App.TGProfile().ID &&
		!cm.NewChatMember.MemberIsMember() && cm.NewChatMember.MemberUser().ID == s.App.TGProfile().ID {
		s.MoveForHandling(mc, RemoveChatMemberStateID, pl)
		return nil
	}

	s.LogError(s.App.TG().LeaveChat(&telego.LeaveChatParams{
		ChatID: tu.ID(pl.Data.MyChatMember.Chat.ID),
	}))
	return nil
}

func (s *WaitingForMemberWebhookState) Handle(pl *Wizard, mc fsm.MachineControls[Wizard]) {
	// By using this we can handle both Move from Register state and Move from waiting for webhook state.
	// The first one doesn't have data yet and it will be handled by Handle, the second one has data and will be
	// handled by Enter.
	_ = s.Enter(pl, mc)
}

func (s *WaitingForMemberWebhookState) ID() fsm.StateID {
	return WaitingForMemberWebhookStateID
}