package helper

import (
	"log"
	"os"
	"path"
	"path/filepath"
	"runtime"
	"strings"
)

// Ternary 三目运算符
func Ternary(condition bool, trueVal, falseVal interface{}) interface{} {
	if condition {
		return trueVal
	}
	return falseVal
}

// GetCurrentAbPath 最终方案-全兼容
func GetCurrentAbPath() string {
	dir := GetCurrentAbPathByExecutable()
	tmpDir, _ := filepath.EvalSymlinks(os.TempDir())
	if strings.Contains(dir, tmpDir) {
		return GetCurrentAbPathByCaller()
	}
	return dir
}

// GetCurrentAbPathByExecutable 获取当前执行文件绝对路径
func GetCurrentAbPathByExecutable() string {
	exePath, err := os.Executable()
	if err != nil {
		log.Fatal(err)
	}
	res, _ := filepath.EvalSymlinks(filepath.Dir(exePath))
	return res
}

// GetCurrentAbPathByCaller 获取当前执行文件绝对路径（go run）
func GetCurrentAbPathByCaller() string {
	var abPath string
	_, filename, _, ok := runtime.Caller(0)
	if ok {
		abPath = path.Dir(filename)
	}
	return abPath
}