"use strict";

var process = require("process");

var path = require("path");

var fs = require('fs-extra');

var glob = require("glob");

var rimraf = require("rimraf");

var pjson = require('../package.json');

const CATEGORY = "-category";

// `i-am-article` becomes `I Am Article`

function prettify(str) {

return str.split('-').map(function capitalize(part) {

return part.charAt(0).toUpperCase() + part.slice(1);

}).join(' ');

}

// Folder name 'ui-examples' becomes 'ui' (the way it should be displayed in the documentation tree)

function updateSubfoldersName(str) {

return str.slice(0, str.lastIndexOf("-"));

}

function compareFiles(leftFile, rightFile) {

var l = prettify(path.basename(path.dirname(leftFile)));

var r = prettify(path.basename(path.dirname(rightFile)));

return l.localeCompare(r, "en-US");

}

// Sort the examples based on the example-order defined in metadata.md. The missing example will be sort aphabetically at the end

// Example:

// metadata.md - action-bar

// example-order: title, action-items

function orderExamples (array, order, dirName) {

var customSortArray = [];

order.forEach(function(item){

var index = array.indexOf(dirName+"/"+item+"/article.md");

if(index >= 0){

customSortArray.push(array[index]);

array.splice(index, 1);

}

});

array = array.sort(compareFiles);

var resultArray = customSortArray.concat(array);

return resultArray;

};

function build() {

// Re-create the `dist` dir

var cwd = process.cwd();

var distDir = path.join(cwd, "dist");

rimraf.sync(distDir);

fs.mkdirSync(distDir);

var articlesDir = path.join(distDir, "code-samples");

fs.mkdirSync(articlesDir);

var appDir = path.join(cwd, "app");

var mainOverview = path.join(appDir, "global-overview.md");

fs.copySync(mainOverview, path.join(articlesDir, "overview.md"));

var jenkinsPosition = 1;

gatherArticles(cwd, appDir, articlesDir, jenkinsPosition);

};

function gatherArticles(cwd, appDir, articlesDir, jenkinsPosition) {

// Gather all main subfolders - ui

var subDirs = fs.readdirSync(appDir).filter(function (file) {

var filePath = path.join(appDir, file);

var dir = fs.statSync(filePath);

return dir.isDirectory() && path.parse(filePath).name.indexOf(CATEGORY) !== -1;

});

subDirs.forEach(function (subDir) {

var currentDir = path.join(articlesDir, subDir);

currentDir = updateSubfoldersName(currentDir);

fs.mkdirSync(currentDir);

var subDirPath = path.join(appDir, subDir);

// Gather all component overviews in the subdirs - ng-ui-widgets-category, ui-extended-category

var components = glob.sync(subDirPath + "/*/overview.md").filter(function (file) {

return !path.parse(file).dir.endsWith(CATEGORY);

}).sort(compareFiles);

getComponents(cwd, components, currentDir, jenkinsPosition);

gatherArticles(cwd, subDirPath, currentDir, jenkinsPosition);

});

// Gather all component overviews in the main folders - app

var components = glob.sync(appDir + "/**/overview.md").filter(function (file) {

return path.parse(file).dir.indexOf(CATEGORY) === -1;

}).sort(compareFiles);

getComponents(cwd, components, articlesDir, jenkinsPosition);

}

// Gather all component overviews

function getComponents(cwd, components, currentDir, jenkinsPosition) {

var imgDir = path.join(currentDir, "img");

if (!fs.existsSync(imgDir)) {

fs.mkdirSync(imgDir);

}

components.forEach(function (overview) {

var componentDirName = path.dirname(overview);

var componentHeader = path.basename(componentDirName);

// Create the component article file, i.e. button.md

var componentArticleFile = path.join(currentDir, componentHeader + ".md");

var componentPrettyHeader = prettify(componentHeader);

var componentArticlesOrder = [];

// Jenkins Header

// MetaData.md

var subDirPath = overview.replace("/overview.md", "");

var pathExists = fs.existsSync(path.join(subDirPath, "metadata.md"));

if (pathExists) {

var metadata = path.join(subDirPath, "metadata.md");

var metadataContents = fs.readFileSync(metadata, { encoding: 'utf8' });

var metadataSplit = metadataContents.split("---");

fs.appendFileSync(componentArticleFile, "---\n", { encoding: 'utf8' });

fs.appendFileSync(componentArticleFile, metadataSplit[1] , { encoding: 'utf8' });

fs.appendFileSync(componentArticleFile, "---\n\n", { encoding: 'utf8' });

if(metadataSplit[2].indexOf("example-order") >=0){

var exampleOrderString = metadataSplit[2].split(":");

var orderString = exampleOrderString[1].replace(/\s/g,'');

componentArticlesOrder = orderString.split(",");

}

}

else {

fs.appendFileSync(componentArticleFile, "---\n", {encoding:'utf8'});

fs.appendFileSync(componentArticleFile, "title: " + componentPrettyHeader + "\n", {encoding:'utf8'});

fs.appendFileSync(componentArticleFile, "description: " + componentPrettyHeader + " SDK Examples" + "\n", {encoding:'utf8'});

fs.appendFileSync(componentArticleFile, "position: " + jenkinsPosition++ + "\n", {encoding:'utf8'});

fs.appendFileSync(componentArticleFile, "slug: " + componentHeader + "\n", {encoding:'utf8'});

fs.appendFileSync(componentArticleFile, "---\n\n", {encoding:'utf8'});

}

// Component Markdown Header

fs.appendFileSync(componentArticleFile, "# " + componentPrettyHeader + "\n\n", {encoding:'utf8'});

// Component Overview

var overviewContents = fs.readFileSync(overview, {encoding:'utf8'});

fs.appendFileSync(componentArticleFile, overviewContents + "\n\n", {encoding:'utf8'});

// Component Images

let componentImage = path.join(componentDirName, "image.png");

if (fs.existsSync(componentImage)) {

let newImageFileName = componentHeader + "-" + "image.png";

fs.copySync(componentImage, path.join(imgDir, newImageFileName));

fs.appendFileSync(componentArticleFile, "![Image](img/" + newImageFileName + " \"Image\")\n\n", {encoding:'utf8'});

}

var articles = [];

if(componentArticlesOrder.length >0){

articles = orderExamples(glob.sync(componentDirName + "/**/article.md"), componentArticlesOrder, componentDirName);

} else{

articles = glob.sync(componentDirName + "/**/article.md").sort(compareFiles);

}

// Append each example to the big article file.

articles.forEach(function (article) {

var articleDirName = path.dirname(article);

var articleHeader = path.basename(articleDirName);

// Header

var prettyArticleHeader = prettify(articleHeader);

fs.appendFileSync(componentArticleFile, "## " + prettyArticleHeader + "\n\n", {encoding:'utf8'});

// Content

var articleContents = fs.readFileSync(article, {encoding:'utf8'});

fs.appendFileSync(componentArticleFile, articleContents + "\n\n", {encoding:'utf8'});

// Article Images

let articleImage = path.join(articleDirName, "image.png");

if (fs.existsSync(articleImage)) {

let newArticleImageFileName = componentHeader + "-" + articleHeader + "-image.png";

let joined = path.join(imgDir, newArticleImageFileName);

fs.copySync(articleImage, joined);

fs.appendFileSync(componentArticleFile, "![Image](img/" + newArticleImageFileName + " \"Image\")\n\n", {encoding:'utf8'});

}

let articleImages = glob.sync(articleDirName + "/*.png");

articleImages.forEach(function(imagePath){

let stringSplitResult = imagePath.split("/");

let imageName = stringSplitResult[stringSplitResult.length - 1];

let joined = path.join(imgDir, imageName);

fs.copySync(imagePath, joined);

})

// Links

var githubDirUrl = pjson.homepage + "/edit/master/" + path.relative(cwd, articleDirName).replace(/\\/g, "/");

var linkToDocument = "[Improve this document](" + githubDirUrl + "/" + path.basename(article) + ")"

fs.appendFileSync(componentArticleFile, linkToDocument + "\n\n", {encoding:'utf8'});

var linkToSource = "[Demo Source](" + githubDirUrl + ")"

fs.appendFileSync(componentArticleFile, linkToSource + "\n\n", {encoding:'utf8'});

// Horizontal Line

fs.appendFileSync(componentArticleFile, "---\n\n", {encoding:'utf8'});

});

//End.md

var subDirPath = overview.replace("/overview.md", "");

var end = path.join(subDirPath, "end.md");

var endContents = fs.readFileSync(end, {encoding:'utf8'});

fs.appendFileSync(componentArticleFile, endContents + "\n\n", {encoding:'utf8'});

});

}

build();