package main

import (
	"strings"
	"testing"
	"time"
)

func TestDiskCounterChanges(t *testing.T) {
	old := DiskMetrics{Reallocated: 1, Pending: 2, CRCErrors: 4}
	current := DiskMetrics{Reallocated: 2, Pending: 2, CRCErrors: 7}
	changes := strings.Join(diskCounterChanges(old, current), " ")
	if !strings.Contains(changes, "Reallocated") || !strings.Contains(changes, "CRC") || strings.Contains(changes, "Pending") {
		t.Fatalf("unexpected counter changes: %s", changes)
	}
}

func TestParseScrub(t *testing.T) {
	status, at, duration, old := parseScrub("scrub repaired 0B in 01:12:03 with 0 errors on Fri Jan  2 03:04:05 2026")
	if status != "Завершён" || at == "" || duration != "01:12:03" || !old {
		t.Fatalf("unexpected scrub: %q %q %q %v", status, at, duration, old)
	}
}

func TestShutdownDryRunUsesConfiguredOrder(t *testing.T) {
	settings := UPSShutdownSettings{ChargePercent: 15, RuntimeSeconds: 600, GraceSeconds: 120, GuestOrder: []int{105}}
	guests := GuestsMetrics{Guests: []GuestMetrics{{VMID: 101, Name: "one", Type: "qemu", Status: "running"}, {VMID: 105, Name: "five", Type: "lxc", Status: "running"}}}
	steps := buildShutdownDryRun(settings, guests)
	if len(steps) != 4 || !strings.Contains(steps[1].Target, "105") || !strings.Contains(steps[2].Target, "101") || steps[3].Target != "Proxmox host" {
		t.Fatalf("unexpected plan: %+v", steps)
	}
}

func TestSelfTestOlderThanWeek(t *testing.T) {
	if !selfTestOlderThanWeek(time.Now().Add(-8*24*time.Hour).Format(time.RFC3339)) || selfTestOlderThanWeek(time.Now().Format(time.RFC3339)) {
		t.Fatal("self-test age evaluation is incorrect")
	}
}