package settings

import (
	"os"
	"path/filepath"
	"testing"
	"time"
)

func TestDiskSafeFilename(t *testing.T) {
	cases := map[string]string{
		"Daily Backup":   "Daily_Backup",
		"  hello!!  ":    "hello",
		"../etc/passwd":  "etc_passwd",
		"":               "unnamed",
		"a/b\\c:d*e?f":   "a_b_c_d_e_f",
	}
	for input, want := range cases {
		got := DiskSafeFilename(input)
		if got != want {
			t.Fatalf("DiskSafeFilename(%q) = %q, want %q", input, got, want)
		}
	}
}

func TestNodeActionGroupsRoundTrip(t *testing.T) {
	dir := t.TempDir()
	now := time.Now().UTC()
	store := NodeActionGroupStore{
		Groups: []NodeActionGroup{
			{
				ID:     "g1",
				NodeID: "n1",
				Name:   "Nightly",
				Schedule: ActionGroupSchedule{
					Enabled:      true,
					Kind:         ActionGroupScheduleInterval,
					EverySeconds: 60,
					Times:        []ActionGroupTimeSpec{},
				},
				Items: []NodeActionItem{
					{
						ID:              "i1",
						Source:          ActionItemSourceLibrary,
						LibraryActionID: BuiltinActionUptimeID,
						Env:             []ActionEnvVar{},
					},
				},
				CreatedAt: now,
				UpdatedAt: now,
			},
		},
	}
	if err := SaveNodeActionGroups(dir, store); err != nil {
		t.Fatalf("SaveNodeActionGroups: %v", err)
	}
	loaded, err := LoadNodeActionGroups(dir)
	if err != nil {
		t.Fatalf("LoadNodeActionGroups: %v", err)
	}
	if len(loaded.Groups) != 1 || loaded.Groups[0].Name != "Nightly" {
		t.Fatalf("loaded = %#v", loaded)
	}
	if len(loaded.Groups[0].Items) != 1 {
		t.Fatalf("items = %#v", loaded.Groups[0].Items)
	}
}

func TestIsScheduleDueInterval(t *testing.T) {
	now := time.Date(2026, 7, 19, 12, 0, 0, 0, time.Local)
	group := NodeActionGroup{
		Schedule: ActionGroupSchedule{
			Enabled:      true,
			Kind:         ActionGroupScheduleInterval,
			EverySeconds: 300,
		},
	}
	if !IsScheduleDue(group, now) {
		t.Fatal("expected due when never run")
	}
	last := now.Add(-301 * time.Second)
	group.LastRunAt = &last
	if !IsScheduleDue(group, now) {
		t.Fatal("expected due after interval elapsed")
	}
	recent := now.Add(-10 * time.Second)
	group.LastRunAt = &recent
	if IsScheduleDue(group, now) {
		t.Fatal("expected not due within interval")
	}
}

func TestIsScheduleDueTimes(t *testing.T) {
	now := time.Date(2026, 7, 19, 14, 30, 10, 0, time.Local) // Sunday
	group := NodeActionGroup{
		Schedule: ActionGroupSchedule{
			Enabled: true,
			Kind:    ActionGroupScheduleTimes,
			Times: []ActionGroupTimeSpec{
				{Time: "14:30", DaysOfWeek: []int{0}},
			},
		},
	}
	if !IsScheduleDue(group, now) {
		t.Fatal("expected due at matching time")
	}
	sameMinute := now
	group.LastRunAt = &sameMinute
	if IsScheduleDue(group, now) {
		t.Fatal("expected not due again in same minute")
	}
	group.LastRunAt = nil
	group.Schedule.Times[0].DaysOfWeek = []int{1} // Monday only
	if IsScheduleDue(group, now) {
		t.Fatal("expected not due on wrong weekday")
	}
}

func TestActionLogAppendAndList(t *testing.T) {
	dir := t.TempDir()
	record := ActionGroupRunRecord{
		ID:        "run-1",
		NodeID:    "node-abc",
		GroupID:   "group-1",
		GroupName: "Nightly Jobs",
		Trigger:   ActionRunTriggerManual,
		StartedAt: time.Now().UTC(),
		FinishedAt: time.Now().UTC(),
		Actions:   []ActionItemRunResult{},
	}
	if err := AppendActionLogRun(dir, record); err != nil {
		t.Fatalf("AppendActionLogRun: %v", err)
	}
	path := ActionLogFilePath(dir, "node-abc", "Nightly Jobs")
	if _, err := os.Stat(path); err != nil {
		t.Fatalf("expected log file at %s: %v", path, err)
	}
	files, err := ListActionLogFiles(dir, "node-abc")
	if err != nil {
		t.Fatalf("ListActionLogFiles: %v", err)
	}
	if len(files) != 1 {
		t.Fatalf("files = %#v", files)
	}
	wantName := DiskSafeFilename("Nightly Jobs") + ".json"
	if files[0].Filename != wantName {
		t.Fatalf("filename = %q want %q", files[0].Filename, wantName)
	}
	loaded, err := ReadActionLogFileByName(dir, "node-abc", wantName)
	if err != nil {
		t.Fatalf("ReadActionLogFileByName: %v", err)
	}
	if len(loaded.Runs) != 1 || loaded.Runs[0].ID != "run-1" {
		t.Fatalf("loaded = %#v", loaded)
	}
	if _, err := ReadActionLogFileByName(dir, "node-abc", "../etc/passwd"); err == nil {
		t.Fatal("expected path traversal rejected")
	}
	_ = filepath.Base(wantName)
}