package processing.app.api

import com.github.ajalt.clikt.command.SuspendingCliktCommand

import com.github.ajalt.clikt.core.Context

import com.github.ajalt.clikt.core.subcommands

import com.github.ajalt.clikt.parameters.arguments.argument

import com.github.ajalt.clikt.parameters.arguments.help

import com.github.ajalt.clikt.parameters.options.flag

import com.github.ajalt.clikt.parameters.options.help

import com.github.ajalt.clikt.parameters.options.option

import processing.app.Language

import processing.app.Platform

import processing.app.Preferences

import java.io.File

class SketchCommand: SuspendingCliktCommand("sketch"){

override fun help(context: Context) = "Manage a Processing sketch"

override suspend fun run() {

}

init {

subcommands(Format())

}

class Format: SuspendingCliktCommand("format"){

override fun help(context: Context) = "Format a Processing sketch"

val file by argument("file")

.help("Path to the sketch file to format")

val inPlace by option("-i","--inplace")

.flag()

.help("Format the file in place, otherwise prints to stdout")

override suspend fun run(){

try {

Platform.init()

Language.init()

Preferences.init()

// run in headless mode

System.setProperty("java.awt.headless", "true")

val clazz = Class.forName("processing.mode.java.AutoFormat")

// Indirect invocation since app does not depend on java mode

val formatter = clazz

.getDeclaredConstructor()

.newInstance()

val method = clazz.getMethod("format", String::class.java)

val code = File(file).readText()

val formatted = method.invoke(formatter, code) as String

if(inPlace) {

File(file).writeText(formatted)

return

}

println(formatted)

} catch (e: Exception) {

throw InternalError("Failed to invoke main method", e)

}

}

}

}