package domain

import (
	"testing"
	"time"

	"calllinesystem/server/internal/model"
)

func TestETAUsesIntervalForEveryNumber(t *testing.T) {
	result, err := CalculateETA(ETAInput{
		PeopleAhead: 9, IntervalPerNumber: 90 * time.Second, Running: true,
	})
	if err != nil || !result.Available {
		t.Fatalf("got %#v, %v", result, err)
	}
	if result.EstimateMinutes != 15 || result.MinMinutes != 15 || result.MaxMinutes != 15 {
		t.Fatalf("unexpected result %#v", result)
	}
}

func TestETAUnavailableWhenPaused(t *testing.T) {
	result, err := CalculateETA(ETAInput{Running: false})
	if err != nil || result.Available || result.Reason != "queue_not_running" {
		t.Fatalf("got %#v, %v", result, err)
	}
}

func TestTicketRules(t *testing.T) {
	if !CanTransitionTicket(model.TicketCalled, model.TicketArrived) || !CanTransitionTicket(model.TicketArrived, model.TicketCompleted) {
		t.Fatal("expected normal transitions")
	}
	if CanTransitionTicket(model.TicketMissed, model.TicketWaiting) || CanTransitionTicket(model.TicketArrived, model.TicketMissed) {
		t.Fatal("missed tickets must be reissued at the tail")
	}
	number, err := DisplayNumber("", 12)
	if err != nil || number != "00012" {
		t.Fatalf("got %q, %v", number, err)
	}
}