package html_test

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

func TestEq(t *testing.T) {
	t.Run("zero operands", func(t *testing.T) {
		if !html.Eq() {
			t.Fatal()
		}
	})

	t.Run("one operand", func(t *testing.T) {
		if !html.Eq(Div) {
			t.Fatal()
		}
	})

	t.Run("two operands eq", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		div1 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		if !html.Eq(div0, div1) {
			t.Fatal()
		}
	})

	t.Run("two operands different name", func(t *testing.T) {
		div := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		custom := html.Define("custom")(Attr("foo", "bar", "baz", 42), "qux", "quux")
		if html.Eq(div, custom) {
			t.Fatal()
		}
	})

	t.Run("two operands different number of attributes", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		div1 := Div(Attr("foo", "bar"), "qux", "quux")
		if html.Eq(div0, div1) {
			t.Fatal()
		}
	})

	t.Run("two operands different attributes", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		div1 := Div(Attr("foo", "bar", "baz", 84), "qux", "quux")
		if html.Eq(div0, div1) {
			t.Fatal()
		}
	})

	t.Run("two operands different attribute names", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		div1 := Div(Attr("foo", "bar", "baz2", 42), "qux", "quux")
		if html.Eq(div0, div1) {
			t.Fatal()
		}
	})

	t.Run("two operands different render guides", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		div1 := html.Inline(Div)(Attr("foo", "bar", "baz", 42), "qux", "quux")
		if html.Eq(div0, div1) {
			t.Fatal()
		}
	})

	t.Run("two operands eq with merged render guides", func(t *testing.T) {
		script0 := html.Inline(Script(Attr("foo", "bar"), "let foo = bar"))
		script1 := html.ScriptContent(html.Inline(Define("script"))(Attr("foo", "bar"), "let foo = bar"))
		if !html.Eq(script0, script1) {
			t.Fatal()
		}
	})

	t.Run("two operands different number of children", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		div1 := Div(Attr("foo", "bar", "baz", 42), "qux")
		if html.Eq(div0, div1) {
			t.Fatal()
		}
	})

	t.Run("two operands different children", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		div1 := Div(Attr("foo", "bar", "baz", 42), "qux", "garply")
		if html.Eq(div0, div1) {
			t.Fatal()
		}
	})

	t.Run("two operands child tags eq", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", Br, "quux")
		div1 := Div(Attr("foo", "bar", "baz", 42), "qux", Br, "quux")
		if !html.Eq(div0, div1) {
			t.Fatal()
		}
	})

	t.Run("two operands child tags not eq", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", Br, "quux")
		div1 := Div(Attr("foo", "bar", "baz", 42), "qux", html.SetClass(Br, "foo"), "quux")
		if html.Eq(div0, div1) {
			t.Fatal()
		}
	})

	t.Run("two operands child tags at different position", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", Br, "quux")
		div1 := Div(Attr("foo", "bar", "baz", 42), Br, "qux", "quux")
		if html.Eq(div0, div1) {
			t.Fatal()
		}
	})

	t.Run("multiple operands eq", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		div1 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		div2 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		if !html.Eq(div0, div1, div2) {
			t.Fatal()
		}
	})

	t.Run("multiple operands not eq", func(t *testing.T) {
		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		div1 := Div(Attr("foo", "bar", "baz", 84), "qux", "quux")
		div2 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
		if html.Eq(div0, div1, div2) {
			t.Fatal()
		}
	})
}