var path = require('path');
var glob = require('glob');
var runSeries = require('run-series');

var constants = require('./util/constants');
var common = require('./util/common');
var _bundle = require('./util/browserify_wrapper');
var makeSchema = require('./util/make_schema');
var wrapLocale = require('./util/wrap_locale');
/*
 * This script takes one argument
 *
 * Run `npm run build -- dev` or `npm run build -- --dev`
 * to include source map in the plotly.js bundle
 *
 * N.B. This script is meant for dist builds; the output bundles are placed
 *      in plotly.js/dist/.
 *      Use `npm run watch` for dev builds.
 */

var arg = process.argv[2];
var DEV = (arg === 'dev') || (arg === '--dev');


// Check if style build file is there
var doesFileExist = common.doesFileExist;
if(!doesFileExist(constants.pathToCSSBuild)) {
    throw new Error([
        'build/plotcss.js is missing',
        'Please run `npm run preprocess` first'
    ].join('\n'));
}

// "Browserify" the locales
var localeGlob = path.join(constants.pathToLib, 'locales', '*.js');
glob(localeGlob, function(err, files) {
    files.forEach(function(file) {
        var outName = 'plotly-locale-' + path.basename(file);
        var outPath = path.join(constants.pathToDist, outName);
        wrapLocale(file, outPath);
    });
});

// list of tasks to pass to run-series to not blow up
// memory consumption.
var tasks = [];

// Browserify plotly.js
tasks.push(function(cb) {
    _bundle(constants.pathToPlotlyIndex, constants.pathToPlotlyDist, {
        standalone: 'Plotly',
        debug: DEV,
        pathToMinBundle: constants.pathToPlotlyDistMin
    }, cb);
});

// Browserify the geo assets
tasks.push(function(cb) {
    _bundle(constants.pathToPlotlyGeoAssetsSrc, constants.pathToPlotlyGeoAssetsDist, {
        standalone: 'PlotlyGeoAssets'
    }, cb);
});

// Browserify plotly.js with meta and output plot-schema JSON
tasks.push(function(cb) {
    _bundle(constants.pathToPlotlyIndex, constants.pathToPlotlyDistWithMeta, {
        standalone: 'Plotly',
        debug: DEV,
        noCompress: true
    }, function() {
        makeSchema(constants.pathToPlotlyDistWithMeta, constants.pathToSchema)();
        cb();
    });
});

// Browserify the plotly.js partial bundles
constants.partialBundlePaths.forEach(function(pathObj) {
    tasks.push(function(cb) {
        _bundle(pathObj.index, pathObj.dist, {
            standalone: 'Plotly',
            debug: DEV,
            pathToMinBundle: pathObj.distMin
        }, cb);
    });
});

runSeries(tasks, function(err) {
    if(err) throw err;
});