package ticket

import (
	"testing"
)

func TestListCheckboxes(t *testing.T) {
	src := `# Steps

- [ ] one
- [x] two
* [X] three
  - [ ] nested

Not a box: [ ] plain
`
	got := ListCheckboxes(src)
	if len(got) != 4 {
		t.Fatalf("len=%d want 4: %+v", len(got), got)
	}
	if got[0].Text != "one" || got[0].Checked || got[0].Line != 2 {
		t.Fatalf("first: %+v", got[0])
	}
	if !got[1].Checked || got[1].Text != "two" {
		t.Fatalf("second: %+v", got[1])
	}
	if !got[2].Checked || got[2].Text != "three" {
		t.Fatalf("third: %+v", got[2])
	}
	if got[3].Text != "nested" || got[3].Checked || got[3].Line != 5 {
		t.Fatalf("nested: %+v", got[3])
	}
}

func TestToggleCheckbox(t *testing.T) {
	src := "- [ ] a\n- [x] b\n"
	out, err := ToggleCheckbox(src, 0)
	if err != nil {
		t.Fatal(err)
	}
	if out != "- [x] a\n- [x] b\n" {
		t.Fatalf("toggle 0: %q", out)
	}
	out, err = ToggleCheckbox(out, 1)
	if err != nil {
		t.Fatal(err)
	}
	if out != "- [x] a\n- [ ] b\n" {
		t.Fatalf("toggle 1: %q", out)
	}
	if _, err := ToggleCheckbox(src, 9); err == nil {
		t.Fatal("expected error for bad index")
	}
}

func TestToggleCheckboxPreservesIndentAndBullet(t *testing.T) {
	src := "  * [X] deep"
	out, err := ToggleCheckbox(src, 0)
	if err != nil {
		t.Fatal(err)
	}
	if out != "  * [ ] deep" {
		t.Fatalf("got %q", out)
	}
}