/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2017, 2018 Rami Ali
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

mp_js_init = Module.cwrap('mp_js_init', 'null', ['number']);
mp_js_do_str = Module.cwrap('mp_js_do_str', 'null', ['string']);
mp_js_init_repl = Module.cwrap('mp_js_init_repl', 'null', ['null']);
mp_js_process_char = Module.cwrap('mp_js_process_char', 'number', ['number']);

var MP_JS_EPOCH = (new Date()).getTime();

if (typeof window === 'undefined' && require.main === module) {
    var fs = require('fs');
    var stack_size = 64 * 1024;
    var contents = '';
    var repl = true;

    for (var i = 0; i < process.argv.length; i++) {
        if (process.argv[i] === '-X' && i < process.argv.length - 1) {
            if (process.argv[i + 1].includes('stack=')) {
                stack_size = parseInt(process.argv[i + 1].split('stack=')[1]);
                if (process.argv[i + 1].substr(-1).toLowerCase() === 'k') {
                    stack_size *= 1024;
                } else if (process.argv[i + 1].substr(-1).toLowerCase() === 'm') {
                    stack_size *= 1024 * 1024;
                }
            }
        } else if (process.argv[i].includes('.py')) {
            contents += fs.readFileSync(process.argv[i], 'utf8');
            repl = false;;
        }
    }
    mp_js_init(stack_size);

    if (repl) {
        mp_js_init_repl();
        process.stdin.setRawMode(true);
        process.stdin.on('data', function (data) {
            for (var i = 0; i < data.length; i++) {
                if (mp_js_process_char(data[i])) {
                    process.exit()
                }
            }
        });
    } else {
        mp_js_do_str(contents);
    }
}