package org.openrndr.extra.olive

import java.io.File
import kotlin.script.experimental.api.*
import kotlin.script.experimental.host.BasicScriptingHost
import kotlin.script.experimental.host.toScriptSource
import kotlin.script.experimental.jvm.dependenciesFromCurrentContext
import kotlin.script.experimental.jvm.jvm
import kotlin.script.experimental.jvmhost.BasicJvmScriptingHost
import kotlin.script.experimental.jvmhost.createJvmCompilationConfigurationFromTemplate
import kotlin.script.templates.standard.SimpleScriptTemplate

internal fun evalScriptWithConfiguration(
        script: String,
        host: BasicScriptingHost = BasicJvmScriptingHost(),
        body: ScriptCompilationConfiguration.Builder.() -> Unit = {}
): ResultWithDiagnostics<EvaluationResult> {
    val compilationConfiguration = createJvmCompilationConfigurationFromTemplate<SimpleScriptTemplate>(body = body)
    return host.eval(script.toScriptSource(), compilationConfiguration, null)
}

@Suppress("UNCHECKED_CAST")
fun <T> loadFromScriptKSH(
        script: File,
        host: BasicScriptingHost = BasicJvmScriptingHost(),
        body: ScriptCompilationConfiguration.Builder.() -> Unit = {

            jvm {
                dependenciesFromCurrentContext(wholeClasspath = true)
            }

        }
): T = loadFromScriptContentsKSH(script.readText(), host, body)

@Suppress("UNCHECKED_CAST")
fun <T> loadFromScriptContentsKSH(
        script: String,
        host: BasicScriptingHost = BasicJvmScriptingHost(),
        body: ScriptCompilationConfiguration.Builder.() -> Unit = {

            jvm {
                dependenciesFromCurrentContext(wholeClasspath = true)
            }

        }
): T = (evalScriptWithConfiguration(script, host, body).valueOrThrow().returnValue as ResultValue.Value).value as T