/**

* Jooby https://jooby.io

* Apache License Version 2.0 https://jooby.io/LICENSE.txt

* Copyright 2014 Edgar Espina

*/

package io.jooby.adoc;

import org.asciidoctor.ast.ContentNode;

import org.asciidoctor.extension.InlineMacroProcessor;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.Optional;

import java.util.stream.Collectors;

public class JavadocProcessor extends InlineMacroProcessor {

public JavadocProcessor(String name) {

super(name);

}

@Override

public Object process(ContentNode parent, String clazz, Map<String, Object> attributes) {

StringBuilder link = new StringBuilder("https://www.javadoc.io/doc/io.jooby/jooby/latest/io/jooby/");

StringBuilder text = new StringBuilder();

String[] names = clazz.split("\\.");

List<String> pkg = new ArrayList<>();

List<String> nameList = new ArrayList<>();

for (String name : names) {

if (Character.isUpperCase(name.charAt(0))) {

nameList.add(name);

} else {

pkg.add(name);

}

}

if (pkg.size() > 0) {

link.append(pkg.stream().collect(Collectors.joining("/"))).append("/");

}

String classname = nameList.stream().collect(Collectors.joining("."));

link.append(classname).append(".html");

String arg1 = (String) attributes.get("1");

String method = null;

String variable = null;

if (arg1 != null) {

if (Character.isLowerCase(arg1.charAt(0))) {

method = arg1;

}

if (arg1.chars().allMatch(c -> Character.isUpperCase(c) || c == '_')) {

// ENUM or constant

variable = arg1;

}

}

if (method != null) {

link.append("#").append(method).append("-");

text.append(method).append("(");

int index = 2;

while (attributes.get(String.valueOf(index)) != null) {

String qualifiedType = attributes.get(String.valueOf(index)).toString();

link.append(qualifiedType

.replace("[]", ":A")

.replace("&#8230;&#8203;", "...")

);

int start = qualifiedType.lastIndexOf('.');

String simpleName = start > 0 ? qualifiedType.substring(start + 1) : qualifiedType;

text.append(simpleName);

index += 1;

if (attributes.get(String.valueOf(index)) != null) {

link.append("-");

text.append(",");

}

}

link.append("-");

String label = (String) attributes.get("text");

if (label != null) {

text.setLength(0);

text.append(label);

} else {

text.append(")");

}

} else if (variable != null) {

link.append("#").append(variable);

text.append(attributes.getOrDefault("text", Optional.ofNullable(arg1).orElse(classname)));

} else {

text.append(attributes.getOrDefault("text", Optional.ofNullable(arg1).orElse(classname)));

}

Map<String, Object> options = new HashMap<>();

options.put("type", ":link");

options.put("target", link.toString());

return createPhraseNode(parent, "anchor", text.toString(), attributes, options);

}

}