package clip

import (
	"strings"

	"git.wow.st/63l06ri5/clip/ns"
)

var pb *ns.NSPasteboard

const (
	uriPrefix       = "file://"
	uriPrefixLength = len(uriPrefix)
)

func Clear() {
	if pb == nil {
		pb = ns.NSPasteboardGeneralPasteboard()
	}
	pb.ClearContents()
}

func Set(x string) bool {
	if pb == nil {
		pb = ns.NSPasteboardGeneralPasteboard()
	}
	pb.ClearContents()
	return pb.SetString(x)
}

func Get() string {
	if pb == nil {
		pb = ns.NSPasteboardGeneralPasteboard()
	}
	ret := pb.GetString()
	if ret.Ptr() == nil {
		return ""
	} else {
		return ret.String()
	}
}

func PasteFileList(filePaths []string) {
	if pb == nil {
		pb = ns.NSPasteboardGeneralPasteboard()
	}
	pb.ClearContents()
	pb.PasteFileList(filePaths)
}

func GetFileList() []string {
	if pb == nil {
		pb = ns.NSPasteboardGeneralPasteboard()
	}
	ret := pb.GetFileList()
	result := make([]string, 0)
	if ret.Ptr() == nil {
		return result
	} else {
		filesStr := ret.String()
		arr := strings.Split(filesStr, pb.FilesDelimeter)
		for _, item := range arr {
			if strings.HasPrefix(item, uriPrefix) {
				result = append(result, item[uriPrefixLength:])
			}
		}
		return result
	}
}

func GetImage(pathToStore string) bool {
	if pb == nil {
		pb = ns.NSPasteboardGeneralPasteboard()
	}

	return pb.GetImage(pathToStore)
}