package wizard

import (
	"context"
	"strings"
	"testing"

	"github.com/MDietermann/ArduinoArchSetup/internal/module"
	"github.com/MDietermann/ArduinoArchSetup/internal/modules/hello"
	"github.com/MDietermann/ArduinoArchSetup/internal/tui"
)

func TestSyncSelected(t *testing.T) {
	orig := []tui.ModuleChoice{
		{ID: "a", Selected: false},
		{ID: "b", Selected: true},
		{ID: "c", Selected: true},
	}
	got := syncSelected(orig, []string{"a", "c"})
	want := map[string]bool{"a": true, "b": false, "c": true}
	for _, m := range got {
		if m.Selected != want[m.ID] {
			t.Errorf("%s selected=%v, want %v", m.ID, m.Selected, want[m.ID])
		}
	}
	if orig[0].Selected {
		t.Error("orig mutated")
	}
}

func TestRenderPlanWithHello(t *testing.T) {
	reg := module.NewRegistry()
	_ = reg.Register(hello.Module{Path: t.TempDir() + "/marker"})
	out := renderPlan(context.Background(), reg, []string{"hello"})
	if !strings.Contains(out, "hello") {
		t.Fatalf("output missing hello: %q", out)
	}
}

func TestRenderPlanEmpty(t *testing.T) {
	if got := renderPlan(context.Background(), module.NewRegistry(), nil); got != "No modules selected." {
		t.Fatalf("got %q", got)
	}
}

func TestParseIntClamp(t *testing.T) {
	cases := map[string]int{
		"":    1,
		"  ":  1,
		"abc": 1,
		"0":   1,
		"-5":  1,
		"3":   3,
		"12":  12,
	}
	for in, want := range cases {
		got, _ := parseIntClamp(in, 1)
		if got != want {
			t.Errorf("parseIntClamp(%q) = %d, want %d", in, got, want)
		}
	}
}

func TestRunCancelledContextReturnsNoConfirmation(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	cancel()
	_, confirmed, err := Run(ctx, module.NewRegistry(), tui.WizardState{})
	if err != nil && err != context.Canceled {
		t.Fatalf("unexpected err: %v", err)
	}
	if confirmed {
		t.Fatal("confirmed=true on cancelled context")
	}
}