package agentapi

import "testing"

func ip(v int) *int { return &v }

// Verdict table (Part 2, extended v0.215.0). Red-proof: change the PercentageUsed boundary from
// `>= 90` to `> 90` in DiskVerdictFor → the "NVMe percentage_used exactly 90 → Figyelmeztetés" case
// fails.
//
// v0.215.0 moved ONE pre-existing case deliberately: critical_warning>0 was Figyelmeztetés and is
// now Hiba (truth-table row 4). It is NVMe's own critical flag — a declaration by the device, not a
// counter that might drift back — so it belongs with the self-reported failures, not below them.
func TestDiskVerdictFor(t *testing.T) {
	noPrior := DiskPrior{}
	cases := []struct {
		name  string
		in    *SmartSummary
		prior DiskPrior
		want  DiskVerdict
	}{
		{"nil → unknown", nil, noPrior, DiskVerdictUnknown},
		{"empty health → unknown", &SmartSummary{Health: ""}, noPrior, DiskVerdictUnknown},
		{"UNKNOWN → unknown", &SmartSummary{Health: SmartUnknown}, noPrior, DiskVerdictUnknown},
		{"FAILING → fail", &SmartSummary{Health: SmartFailing}, noPrior, DiskVerdictFail},
		{"FAILING beats counters", &SmartSummary{Health: SmartFailing, ReallocatedSectors: ip(0)}, noPrior, DiskVerdictFail},
		{"PASSED clean → ok", &SmartSummary{Health: SmartPassed, ReallocatedSectors: ip(0), PendingSectors: ip(0), TemperatureC: ip(30)}, noPrior, DiskVerdictOK},
		{"PASSED nil counters → ok", &SmartSummary{Health: SmartPassed}, noPrior, DiskVerdictOK},
		{"reallocated>0 alone → warn", &SmartSummary{Health: SmartPassed, ReallocatedSectors: ip(1)}, noPrior, DiskVerdictWarn},
		{"pending>0 first sighting → warn", &SmartSummary{Health: SmartPassed, PendingSectors: ip(5)}, noPrior, DiskVerdictWarn},
		{"offline_unc>0 first sighting → warn", &SmartSummary{Health: SmartPassed, OfflineUncorrectable: ip(2)}, noPrior, DiskVerdictWarn},
		{"critical_warning>0 → fail (row 4)", &SmartSummary{Health: SmartPassed, CriticalWarning: ip(1)}, noPrior, DiskVerdictFail},
		{"media_errors>0 → warn", &SmartSummary{Health: SmartPassed, MediaErrors: ip(3)}, noPrior, DiskVerdictWarn},
		{"percentage_used 89 → ok", &SmartSummary{Health: SmartPassed, PercentageUsed: ip(89)}, noPrior, DiskVerdictOK},
		{"percentage_used exactly 90 → warn", &SmartSummary{Health: SmartPassed, PercentageUsed: ip(90)}, noPrior, DiskVerdictWarn},
		{"percentage_used 95 → warn", &SmartSummary{Health: SmartPassed, PercentageUsed: ip(95)}, noPrior, DiskVerdictWarn},
		{"percentage_used exactly 100 → fail (row 5)", &SmartSummary{Health: SmartPassed, PercentageUsed: ip(100)}, noPrior, DiskVerdictFail},
	}
	for _, c := range cases {
		if got := DiskVerdictFor(c.in, c.prior); got != c.want {
			t.Errorf("%s: DiskVerdictFor = %d, want %d", c.name, got, c.want)
		}
	}
}

func TestDiskVerdict_Label(t *testing.T) {
	want := map[DiskVerdict]string{
		DiskVerdictUnknown: "Nincs adat",
		DiskVerdictOK:      "Rendben",
		DiskVerdictWarn:    "Figyelmeztetés",
		DiskVerdictFail:    "Hiba",
	}
	for v, w := range want {
		if got := v.Label(); got != w {
			t.Errorf("verdict %d Label = %q, want %q", v, got, w)
		}
	}
}

// A warn lists every triggering attribute at once (Scenario "multiple attributes degrade" → ONE event).
func TestDegradedAttributes_ListsAll(t *testing.T) {
	s := &SmartSummary{Health: SmartPassed, PendingSectors: ip(5), ReallocatedSectors: ip(2), PercentageUsed: ip(91)}
	got := DegradedAttributes(s)
	if len(got) != 3 {
		t.Fatalf("want 3 attributes, got %d: %v", len(got), got)
	}
	// clean disk → none
	if a := DegradedAttributes(&SmartSummary{Health: SmartPassed}); len(a) != 0 {
		t.Errorf("clean disk should list no attributes, got %v", a)
	}
}