var path = require('path');
var os = require('os');
var _ = require('lodash');
const fg = require('fast-glob');

const cad = require('@plastichub/osr-cad/cad/sw-lib');
const cadArgsSanitize = require('@plastichub/osr-cad/argv').sanitize;
/*
const read = require('@plastichub/fs/read').sync;
const write = require('@plastichub/fs/write').sync;
const sync = require('@plastichub/osr-sync/lib/sync').sync;
*/
const BPromise = require('bluebird');

var isWindows = process.platform === 'win32';

const files = (dir, glob) => fg.sync(glob, {
    dot: true,
    cwd: dir,
    absolute: true
});

const main_model = (dir) => {
    const mains = files(dir, 'cad/*Global*.+(json)');
    return mains[0];
}

const file_path_with_ext = (file, ext) => {
    const parts = path.parse(file);
    return path.join(parts.dir, parts.name + '.' + ext);
}

const laser_parts = (model) => {
    return model.filter((m) => m.IsLaser === '1');
}

const GLOB_MAIN_ASSEMBLY = "cad/*Global*.+(SLDASM)";

const GLOB_OUTPUT = "${SRC_DIR}/${SRC_NAME}.+(json)";


const create_sync_args = (root, product, input_glob, output_glob) => {
    const src = `${root}/${product}/${input_glob}`;
    const dst = output_glob;
    return {
        src,
        dst,
        debug: 'true',
        args: "",
        hash: true,
        verbose: 'true',
        skip: 'true'
    }
}
const createMeta = (root, product, options) => {
    const args = create_sync_args(root, product, GLOB_MAIN_ASSEMBLY, GLOB_OUTPUT);
    const syncArgs = cadArgsSanitize({
        ...args,
        ...options
    });
    return cad.convert(syncArgs).then(() => {
        
    });
}


const convert = async (items, options) => {
    return BPromise.resolve(items).map((target) => {
        return createMeta(options.cwd || '.', target, options);
    }, {
        concurrency: 1
    });
}

module.exports = function (grunt) {
    const log = grunt.verbose.writeln;
    const error = grunt.log.error;
    grunt.registerMultiTask('cad-meta', 'Creates meta files from Solidwork assemblies', function () {
        const done = this.async();
        this.files.forEach(function (filePair) {
            const items = filePair.orig.src.map(function (src) {
                return src;
            });
            log('Convert to JSON : ', items);
            convert(items, {
                verbose: grunt.option('verbose') !== undefined ? grunt.option('verbose') : false,
                skip: grunt.option('skip') !== undefined ? grunt.option('skip') : true,
                cwd: grunt.option('cwd')
            }).then((e) => {
                done();
            });
        })

    });
};