package protocol

import (
	"fmt"
	"path"
	"testing"

	"gitea.mmo.to/ppForge/ppforge/globals"
)

func TestUpdateMetaData(t *testing.T) {
	var (
		name        string = "test"
		version     string = "1.0.0"
		osilayer    uint   = 3
		tcpiplayer  uint   = 2
		extensionTo string = ""
		desc        string = "description"
	)
	prot := NewProtocolStructure()
	UpdateMetaData(
		prot,
		name,
		version,
		tcpiplayer,
		osilayer,
		extensionTo,
		desc,
	)

	if prot.Metadata.Name != name ||
		prot.Metadata.Description != desc ||
		prot.Metadata.ExtensionTo != extensionTo ||
		prot.Metadata.TCPIPLayer != tcpiplayer ||
		prot.Metadata.Version != version ||
		prot.Metadata.LowerLayerIdentification != nil ||
		prot.Metadata.RequiredJSFunctions != nil {
		t.Log("Data hasn't been set correctly!")
		t.Fail()
	}
}

func GenerateFields() []Field {
	slc := make([]Field, 0)
	for i := 0; i < 10; i++ {
		field := NewField(
			fmt.Sprintf("testfield%d", i),
			fmt.Sprintf("Description %d", i),
			"",
			int(i*8),
			nil,
			false,
			false,
		)
		slc = append(slc, *field)
	}
	return slc
}

func GenerateStructure() *Protocol {
	p := NewProtocolStructure()
	slc := GenerateFields()
	p.AppendFields(slc...)
	for i, e := range p.Structure {
		fmt.Printf("%d %s\n", i, e.ToJson())
	}
	fmt.Println("Generated Structure.")
	return p
}

func TestFieldAppend(t *testing.T) {
	f := NewField(
		"testfield",
		"Description",
		"",
		8,
		nil,
		false,
		false,
	)
	p := NewProtocolStructure()
	p.AppendField(*f)
	if p.Structure[0].Name != "testfield" {
		t.Log("Append failed.")
		t.Fail()
	}
}

func TestFieldAdd(t *testing.T) {
	f := NewField(
		"testfield",
		"Description",
		"",
		8,
		nil,
		false,
		false,
	)
	p := NewProtocolStructure()
	p.AddField(0, f)
	p.AddField(0, f)
}

func TestUpdateFieldByName(t *testing.T) {
	p := GenerateStructure()
	f := NewField(
		"UpdatedField", "", "", 42, nil, false, true,
	)
	p.UpdateFieldByName("testfield3", f)
	for i, e := range p.Structure {
		fmt.Printf("%d %s\n", i, e.ToJson())
	}
	if p.Structure[3].Desc != "" || p.Structure[3].Size != 42 {
		t.Log("Update field by Ref failed!")
		t.Fail()
	}
} //
func TestUpdateFieldByElement(t *testing.T) {
	p := GenerateStructure()
	f := NewField(
		"UpdatedField", "", "", 42, nil, false, true,
	)
	p.UpdateFieldByElement(5, f)
	for i, e := range p.Structure {
		fmt.Printf("%d %s\n", i, e.ToJson())
	}
	if p.Structure[5].Desc != "" || p.Structure[5].Size != 42 {
		t.Log("Update field by Ref failed!")
		t.Fail()
	}
}

func TestRemoveFieldByName(t *testing.T) {
	p := GenerateStructure()
	p.RemoveFieldByName("testfield3")
	for i, e := range p.Structure {
		fmt.Printf("%d %s\n", i, e.ToJson())
	}
	if p.Structure[3].Name != "testfield4" {
		t.Log("Remove by name failed!")
		t.Fail()
	}
} //

func TestRemoveFieldByElement(t *testing.T) {
	p := GenerateStructure()
	p.RemoveFieldByElement(3)
	for i, e := range p.Structure {
		fmt.Printf("%d %s\n", i, e.ToJson())
	}
	if p.Structure[3].Name != "testfield4" {
		t.Log("Remove by element failed!")
		t.Fail()
	}
}

func TestToJson(t *testing.T) {
	p := GenerateStructure()
	fmt.Print(p.ToJSON())
}

func TestSaveAndLoad(t *testing.T) {
	p := GenerateStructure()
	wd, err := globals.GetRepoDir(globals.GetCurrentDir())
	if err != nil {
		t.Fail()
	}
	path := path.Join(wd, "test", "protocolsavetest.protocoljson")
	p.Save(path)
	p2 := NewProtocolStructure()
	p2.Load(path)
	if len(p2.Structure) == 0 {
		t.Fail()
	}
	p3, err := LoadNew(path)
	if len(p3.Structure) == 0 {
		t.Fail()
	}
}