package main

import (
	"os"
	"testing"

	"github.com/beanzilla/gonode"
)

func TestParseLoad(t *testing.T) {
	err := os.WriteFile(
		"_tmp1.txt",
		[]byte("pilot Test Pilot\nship \"Little Fish\"\n\tname \"Hello World\"\n\tkind \"Space Fish\""),
		0660,
	)
	if err != nil {
		t.Errorf("Failed creating temp file")
	}
	defer func() {
		err = os.Remove("_tmp1.txt")
		if err != nil {
			t.Errorf("Failed cleaning up temp file")
		}
	}()

	p := Parser{}
	root, err := p.Load("_tmp1.txt")
	if err != nil {
		t.Fail()
		t.Logf("Unexpected error, %v", err)
		p.Debug = true
		p.Load("_tmp1.txt")
		p.Debug = false
	}
	if root.Len() != 2 {
		t.Fail()
		t.Logf("Incorrect child count for Root node, expected 2")
		t.Logf("%#v", root)
		for k := range root.Iter() {
			t.Logf("%#v", k)
		}
	}
	k := root.Child(1)
	if k == nil {
		t.Errorf("Unexpected nil value")
	}
	if k.Data() != "ship \"Little Fish\"" || k.Depth() != 0 {
		t.Errorf("Expected 'ship \"Little Fish\"' depth of 0, got '%s' (depth=%d)", k.Data(), k.Depth())
	}
	if k.Len() != 2 {
		t.Fail()
		t.Logf("Incorrect child count for Root.1 node, expected 2")
		t.Logf("%#v", k)
		for k0 := range k.Iter() {
			t.Logf("%#v", k0)
		}
	}
	k1 := k.Child(0)
	if k1 == nil {
		t.Errorf("Unexpected nil value")
	}
	if k1.Data() != "name \"Hello World\"" || k1.Depth() != 1 {
		t.Errorf("Expected 'name \"Hello World\"' depth 1, got '%s' (depth=%d)", k1.Data(), k1.Depth())
	}
}

func TestParseSave(t *testing.T) {
	n := gonode.NewNode()
	n.NewChildWithData("Hello World")
	n1 := n.NewChildWithData("Tacocat")
	n1.NewChildWithData("Meow?")
	p := Parser{Debug: true}
	err := p.Save("_tmp2.txt", n)
	if err != nil {
		t.Errorf("Unexpected error, %v", err)
	}
	defer func() {
		os.Remove("_tmp2.txt")
	}()
}