package privilegewc

import (
	"context"
	"fmt"
	"github.com/themakers/hlog"
	"penahub.gitlab.yandexcloud.net/backend/quiz/common.git/dal"
	"penahub.gitlab.yandexcloud.net/backend/quiz/common.git/model"
	"time"
)

type CheckWorkerConfig struct {
	TickerInterval time.Duration
	DefaultData    model.DefaultData
	Logger         hlog.Logger
	ErrChan        chan<- error
}

type CheckWorker struct {
	config       CheckWorkerConfig
	privilegeDAL *dal.DAL
}

func NewCheckWorker(config CheckWorkerConfig, privilegeDAL *dal.DAL) *CheckWorker {
	return &CheckWorker{
		config:       config,
		privilegeDAL: privilegeDAL,
	}
}

func (w *CheckWorker) Start(ctx context.Context) {
	ticker := time.NewTicker(w.config.TickerInterval)
	defer ticker.Stop()

	for {
		select {
		case <-ticker.C:
			fmt.Println("CHECK")
			w.performScheduledTasks(ctx)
		case <-ctx.Done():
			fmt.Println("Check worker terminated")
			return
		}
	}
}

// TODO: Maybe one query?
func (w *CheckWorker) performScheduledTasks(ctx context.Context) {
	fmt.Println("CHEC0")
	w.deleteExpired(ctx)
}

func (w *CheckWorker) deleteExpired(ctx context.Context) {
	expiredData, err := w.privilegeDAL.AccountRepo.GetExpired(ctx, w.config.DefaultData.UnlimID)
	if err != nil {
		w.config.Logger.Module("Error getting expired quizUnlimTime records")
		w.config.ErrChan <- err
	}

	for _, data := range expiredData {
		err := w.privilegeDAL.AccountRepo.DeletePrivilegeByID(ctx, data.ID)
		if err != nil {
			w.config.Logger.Module("Error deleting expired quizUnlimTime record")
			w.config.ErrChan <- err
		}
	}
}