// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.

package resource

import (
	"context"
	_ "fmt"
	"github.com/stretchr/testify/assert"
	"log"
	"os"
	"os/user"
	"os/exec"
	"path/filepath"
	"testing"
)

var TempDir string

var ProcessTestUserName string
var ProcessTestGroupName string

func TestMain(m *testing.M) {
	var err error
	TempDir, err = os.MkdirTemp("", "testresourcefile")
	if err != nil || TempDir == "" {
		log.Fatal(err)
	}

	ProcessTestUserName, ProcessTestGroupName = ProcessUserName()
	rc := m.Run()

	os.RemoveAll(TempDir)
	os.Exit(rc)
}

func ProcessUserName() (string, string) {
	processUser, userErr := user.Current()
	if userErr != nil {
		panic(userErr)
	}
	processGroup, groupErr := user.LookupGroupId(processUser.Gid)
	if groupErr != nil {
		panic(groupErr)
	}
	return processUser.Username, processGroup.Name
}

func ExitError(e error) string {
	if e != nil {
		switch v := e.(type) {
		case *exec.ExitError:
			return string(v.Stderr)
		default:
			return e.Error()
		}
	}
	return ""
}

func TestNewResource(t *testing.T) {
	resourceUri := "file://foo"
	testFile := NewResource(resourceUri)
	assert.NotNil(t, testFile)

	assert.Equal(t, "foo", testFile.(*File).Path)
}

func TestResolveId(t *testing.T) {
	testFile := NewResource("file://../../README.md")
	assert.NotNil(t, testFile)

	testFile.(*File).normalizePath = true
	absolutePath, e := filepath.Abs("../../README.md")
	assert.Nil(t, e)

	testFile.ResolveId(context.Background())
	assert.Equal(t, absolutePath, testFile.(*File).Path)
}