// +build clipboard all

package main

import "golang.design/x/clipboard"

const clipboardIsOn = true

var clipLib = vars{
	"get-clipboard": func(a ...expression) expression {
		if clipboardErr != nil {
			return false
		}
		return string(clipboard.Read(clipboard.FmtText))
	},
	"set-clipboard": func(a ...expression) expression {
		if clipboardErr != nil {
			return false
		}
		if len(a) == 0 {
			return exception("'set-clipboard' expected a value to add to the clipboard, no value was given")
		}
		s := String(a[0], false)
		clipboard.Write(clipboard.FmtText, []byte(s))
		return s

	},
	"clipboard-available?": func(a ...expression) expression {
		if clipboardErr != nil {
			return false
		}
		return true
	},
}

var clipUsageStrings = map[string]string{
	"clipboard-available?": "(clipboard-available?) => bool\n\nReports whether clipboard access is available",
	"get-clipboard":        "(get-clipboard) => string|#f\n\nRetrieves the string held in the current main system clipboard. This will not work as expected when run on a remote machine, as it relates to the clipboard of the system where the interpreter is being run. Returns the string held in the clipboard or #f if the clipboard was not available (see: `clipboard-available?`)",
	"set-clipboard":        "(set-clipboard [value]) => string|#f\n\nSets the system clipboard to contain the string representation of the given value. Returns the string representation of the value or #f if the clipboard is not available (see: `clipboard-available?`)",
}