package app

import (
	"testing"

	sharedschedule "github.com/geo-platform/tenant-api/internal/shared/schedule"
)

func TestNormalizeSchedulePlanFixedTimeBuildsCronFromSelectedDays(t *testing.T) {
	plan, err := normalizeSchedulePlan(ScheduleTaskRequest{
		ScheduleKind:     scheduleKindWeekly,
		ScheduleDays:     []string{"mon", "wed", "fri"},
		ScheduleTimeMode: sharedschedule.TimeModeFixed,
		CronExpr:         "17 3 * * mon,wed,fri",
	})
	if err != nil {
		t.Fatalf("normalizeSchedulePlan returned error: %v", err)
	}
	if plan.ScheduleKind != scheduleKindWeekly {
		t.Fatalf("expected weekly schedule, got %q", plan.ScheduleKind)
	}
	if plan.ScheduleTimeMode != sharedschedule.TimeModeFixed {
		t.Fatalf("expected fixed mode, got %q", plan.ScheduleTimeMode)
	}
	if plan.CronExpr != "17 3 * * mon,wed,fri" {
		t.Fatalf("unexpected cron expression: %q", plan.CronExpr)
	}
	if plan.RandomWindowStart != defaultRandomWindowStart || plan.RandomWindowEnd != defaultRandomWindowEnd {
		t.Fatalf("unexpected compatibility window: %s-%s", plan.RandomWindowStart, plan.RandomWindowEnd)
	}
}

func TestNormalizeSchedulePlanRandomWindowAllowsEditableWindow(t *testing.T) {
	plan, err := normalizeSchedulePlan(ScheduleTaskRequest{
		ScheduleKind:      scheduleKindWeekly,
		ScheduleDays:      []string{"mon", "wed", "fri"},
		ScheduleTimeMode:  sharedschedule.TimeModeRandomWindow,
		RandomWindowStart: "02:00:00",
		RandomWindowEnd:   "04:30:00",
	})
	if err != nil {
		t.Fatalf("normalizeSchedulePlan returned error: %v", err)
	}
	if plan.ScheduleKind != scheduleKindWeekly {
		t.Fatalf("expected weekly schedule, got %q", plan.ScheduleKind)
	}
	if plan.ScheduleTimeMode != sharedschedule.TimeModeRandomWindow {
		t.Fatalf("expected random window mode, got %q", plan.ScheduleTimeMode)
	}
	if plan.RandomWindowStart != "02:00:00" || plan.RandomWindowEnd != "04:30:00" {
		t.Fatalf("unexpected random window: %s-%s", plan.RandomWindowStart, plan.RandomWindowEnd)
	}

	_, err = normalizeSchedulePlan(ScheduleTaskRequest{
		ScheduleTimeMode:  sharedschedule.TimeModeRandomWindow,
		RandomWindowStart: "05:00:00",
		RandomWindowEnd:   "01:00:00",
	})
	if err == nil {
		t.Fatal("expected inverted random window to be rejected")
	}
}