package html_test

import (
	"bytes"
	"code.squareroundforest.org/arpio/html"
	. "code.squareroundforest.org/arpio/html/tags"
	"testing"
)

func TestValidate(t *testing.T) {
	t.Run("symbol", func(t *testing.T) {
		t.Run("invalid", func(t *testing.T) {
			mytag := html.Define("foo+bar")

			var b bytes.Buffer
			if err := html.Render(&b, mytag); err == nil {
				t.Fatal()
			}
		})

		t.Run("invalid with allowed chars number", func(t *testing.T) {
			mytag := html.Define("0foo")

			var b bytes.Buffer
			if err := html.Render(&b, mytag); err == nil {
				t.Fatal()
			}
		})

		t.Run("invalid with allowed chars delimiter", func(t *testing.T) {
			mytag := html.Define("-foo")

			var b bytes.Buffer
			if err := html.Render(&b, mytag); err == nil {
				t.Fatal()
			}
		})

		t.Run("valid", func(t *testing.T) {
			mytag := html.Define("foo")

			var b bytes.Buffer
			if err := html.Render(&b, mytag); err != nil {
				t.Fatal(err)
			}
		})

		t.Run("valid with special chars", func(t *testing.T) {
			mytag := html.Define("foo-bar-1")

			var b bytes.Buffer
			if err := html.Render(&b, mytag); err != nil {
				t.Fatal(err)
			}
		})
	})

	t.Run("invalid attribute name", func(t *testing.T) {
		div := Div(Attr("foo+", "bar"))

		var b bytes.Buffer
		if err := html.Render(&b, div); err == nil {
			t.Fatal()
		}
	})

	t.Run("void tag with children", func(t *testing.T) {
		br := Br("foo")

		var b bytes.Buffer
		if err := html.Render(&b, br); err == nil {
			t.Fatal()
		}
	})

	t.Run("verbatim with child tag", func(t *testing.T) {
		div := html.Verbatim(Div(Br()))

		var b bytes.Buffer
		if err := html.Render(&b, div); err != nil {
			t.Fatal(err)
		}
	})

	t.Run("script with child tag", func(t *testing.T) {
		script := Script(Br())

		var b bytes.Buffer
		if err := html.Render(&b, script); err == nil {
			t.Fatal()
		}
	})

	t.Run("invalid child tag", func(t *testing.T) {
		div := Div(Div(Attr("foo+", "bar")))

		var b bytes.Buffer
		if err := html.Render(&b, div); err == nil {
			t.Fatal()
		}
	})

	t.Run("valid child tag", func(t *testing.T) {
		div := Div(Div(Attr("foo", "bar")))

		var b bytes.Buffer
		if err := html.Render(&b, div); err != nil {
			t.Fatal()
		}
	})
}