/*
 * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
 * Copyright (C) 2016 Furrtek
 *
 * This file is part of PortaPack.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef __MORSE_H__
#define __MORSE_H__

#include "tonesets.hpp"
#include "portapack_shared_memory.hpp"

#define MORSE_DOT 1
#define MORSE_DASH 3
#define MORSE_SYMBOL_SPACE 1
#define MORSE_LETTER_SPACE 3
#define MORSE_WORD_SPACE 7

namespace morse {

const uint32_t morse_symbols[5] = {
    MORSE_DOT,
    MORSE_DASH,
    MORSE_SYMBOL_SPACE,
    MORSE_LETTER_SPACE,
    MORSE_WORD_SPACE};

size_t morse_encode(std::string& message, const uint32_t time_unit_ms, const uint32_t tone, uint32_t* const time_units);

constexpr char foxhunt_codes[11][4] = {
    {"MOE"},  // -----.
    {"MOI"},  // -----..
    {"MOS"},  // -----...
    {"MOH"},  // -----....
    {"MO5"},  // -----.....
    {"MON"},  // ------.
    {"MOD"},  // ------..
    {"MOB"},  // ------...
    {"MO6"},  // ------....
    {"MO"},   // -----
    {"S"}     // ...
};

// 0=dot 1=dash
constexpr uint16_t morse_ITU[63] = {
    // Code    Size
    0b1010110000000110,  // !: 101011- 110
    0b0100100000000110,  // ": 010010- 110
    0,                   // #
    0b0001001000000111,  // $: 0001001 111
    0,                   // %
    0b0100000000000101,  // &: 01000-- 101
    0b0111100000000110,  // ': 011110- 110
    0b1011000000000101,  // (: 10110-- 101
    0b1011010000000110,  // ): 101101- 110
    0,                   // *
    0b0101000000000101,  // +: 01010-- 101
    0b1100110000000110,  // ,: 110011- 110
    0b1000010000000110,  // -: 100001- 110
    0b0101010000000110,  // .: 010101- 110
    0b1001000000000101,  // /: 10010-- 101
    0b1111100000000101,  // 0: 11111-- 101
    0b0111100000000101,  // 1: 01111-- 101
    0b0011100000000101,  // 2: 00111-- 101
    0b0001100000000101,  // 3: 00011-- 101
    0b0000100000000101,  // 4: 00001-- 101
    0b0000000000000101,  // 5: 00000-- 101
    0b1000000000000101,  // 6: 10000-- 101
    0b1100000000000101,  // 7: 11000-- 101
    0b1110000000000101,  // 8: 11100-- 101
    0b1111000000000101,  // 9: 11110-- 101
    0b1110000000000110,  // :: 111000- 110
    0b1010100000000110,  // ;: 101010- 110
    0,                   // <
    0b1000100000000101,  // =: 10001-- 101
    0,                   // >
    0b0011000000000110,  // ?: 001100- 110
    0b0110100000000110,  // @: 011010- 110
    0b0100000000000010,  // A: 01----- 010
    0b1000000000000100,  // B: 1000--- 100
    0b1010000000000100,  // C: 1010--- 100
    0b1000000000000011,  // D: 100---- 011
    0b0000000000000001,  // E: 0------ 001
    0b0010000000000100,  // F: 0010--- 100
    0b1100000000000011,  // G: 110---- 011
    0b0000000000000100,  // H: 0000--- 100
    0b0000000000000010,  // I: 00----- 010
    0b0111000000000100,  // J: 0111--- 100
    0b1010000000000011,  // K: 101---- 011
    0b0100000000000100,  // L: 0100--- 100
    0b1100000000000010,  // M: 11----- 010
    0b1000000000000010,  // N: 10----- 010
    0b1110000000000011,  // O: 111---- 011
    0b0110000000000100,  // P: 0110--- 100 .#-###-###.# ##.#-### ##.#-###.# ##.#.# ##.#.#.# = 48 units
    0b1101000000000100,  // Q: 1101--- 100
    0b0100000000000011,  // R: 010---- 011
    0b0000000000000011,  // S: 000---- 011
    0b1000000000000001,  // T: 1------ 001
    0b0010000000000011,  // U: 001---- 011
    0b0001000000000100,  // V: 0001--- 100
    0b0110000000000011,  // W: 011---- 011
    0b1001000000000100,  // X: 1001--- 100
    0b1011000000000100,  // Y: 1011--- 100
    0b1100000000000100,  // Z: 1100--- 100
    0,                   // [
    0,                   // Back-slash
    0,                   // ]
    0,                   // ^
    0b0011010000000110   // _: 001101- 110
};

constexpr uint16_t prosigns[12] = {
    // 	  Code		Size
    0b0001110000001001,  // <SOS>: 000111000	1001
    0b0101000000000100,  // <AA>:  0101----- 0100
    0b0101000000000101,  // <AR>:  01010---- 0101
    0b0100000000000101,  // <AS>:  01000---- 0101
    0b1000100000000101,  // <BT>:  10001---- 0101
    0b1010100000000101,  // <CT>:  10101---- 0101
    0b0000000000001000,  // <HH>:  00000000- 1000
    0b1010000000000011,  // <K>:   101------ 0011
    0b1011000000000101,  // <KN>:  10110---- 0101
    0b1001110000000110,  // <NJ>:  100111--- 0110
    0b0001010000000110,  // <SK>:  000101--- 0110
    0b0001100000000101,  // <SN>:  00010---- 0101
};

} /* namespace morse */

#endif /*__MORSE_H__*/