package httpapi

import (
	"fmt"
	"time"

	"calllinesystem/server/internal/model"

	"gorm.io/gorm"
)

func (s *Server) businessDateFor(project model.Project) (time.Time, error) {
	location, err := time.LoadLocation(project.Timezone)
	if err != nil {
		return time.Time{}, fmt.Errorf("invalid project timezone: %w", err)
	}
	localNow := s.now().In(location)
	return time.Date(localNow.Year(), localNow.Month(), localNow.Day(), 0, 0, 0, 0, location), nil
}

func (s *Server) currentQueueSession(db *gorm.DB, project model.Project) (model.QueueSession, error) {
	businessDate, err := s.businessDateFor(project)
	if err != nil {
		return model.QueueSession{}, err
	}
	var session model.QueueSession
	err = db.Where(
		"project_id = ? AND business_date = ? AND status IN ?",
		project.ID,
		businessDate,
		[]string{"RUNNING", "PAUSED"},
	).First(&session).Error
	return session, err
}

func (s *Server) queueSessionIsCurrent(project model.Project, session model.QueueSession) (bool, error) {
	businessDate, err := s.businessDateFor(project)
	if err != nil {
		return false, err
	}
	return session.BusinessDate.Format("2006-01-02") == businessDate.Format("2006-01-02"), nil
}