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/*
 * Javalin - https://javalin.io
 * Copyright 2017 David Åse
 * Licensed under Apache 2.0: https://github.com/tipsy/javalin/blob/master/LICENSE
 */

package io.javalin.rendering.markdown

import io.javalin.http.Context
import io.javalin.rendering.FileRenderer
import io.javalin.rendering.util.RenderingDependency.COMMONMARK
import io.javalin.rendering.util.Util
import org.commonmark.parser.Parser
import org.commonmark.renderer.html.HtmlRenderer

class JavalinCommonmark @JvmOverloads constructor(
    private var renderer: HtmlRenderer = defaultRenderer(),
    private var parser: Parser = defaultParser()
) : FileRenderer {

    init {
        Util.throwIfNotAvailable(COMMONMARK)
    }

    override fun render(filePath: String, model: Map, context: Context): String {
        val fileContent = JavalinCommonmark::class.java.getResource(filePath).readText()
        return renderer.render(parser.parse(fileContent))
    }

    companion object {
        fun defaultRenderer(): HtmlRenderer = HtmlRenderer.builder().build()
        fun defaultParser(): Parser = Parser.builder().build()
    }

}