/* Copyright 2015-2017 Jack Humbert
 *
 * 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 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.
 */

#include QMK_KEYBOARD_H

#include "action_layer.h"
#include "muse.h"
#include "keymap_slovenian.h"

#define ALTG(kc) ALGR(kc) // FIXME: Remove this

extern keymap_config_t keymap_config;

enum planck_layers {
  _QWERTY,
  _LOWER,
  _RAISE,
  _ADJUST,
  _ALTGR,
  _CAPS,
  _MEMA,
  _CARON
};

enum planck_keycodes {
  QWERTY = SAFE_RANGE,
};

#define LOWER MO(_LOWER)
#define RAISE MO(_RAISE)
#define CAPS MO(_CAPS)
#define ALTGR MO(_ALTGR)
#define MEMA MO(_MEMA)
#define CARON LT(_CARON, SI_QUOT)

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

/* Qwerty
 * ,-----------------------------------------------------------------------------------.
 * | Tab  |   Q  |   W  |   E  |   R  |   T  |   Z  |   U  |   I  |   O  |   P  | Bksp |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | CAPS |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |CARON |Enter |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * | Shift|   Y  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |Shift |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Ctrl | GUI  | Alt  | GUI  |LOWER |    Space    |RAISE | ALTGR| MEMA |  F12 |  F5  |
 * `-----------------------------------------------------------------------------------'
 */
[_QWERTY] = LAYOUT_planck_grid(
    KC_TAB,   SI_Q,     SI_W,     SI_E,     SI_R,   SI_T,    SI_Z,    SI_U,    SI_I,    SI_O,    SI_P,    KC_BSPC,
    CAPS,     SI_A,     SI_S,     SI_D,     SI_F,   SI_G,    SI_H,    SI_J,    SI_K,    SI_L,    CARON,   KC_ENT,
    KC_LSFT,  SI_Y,     SI_X,     SI_C,     SI_V,   SI_B,    SI_N,    SI_M,    SI_COMM, SI_DOT,  SI_MINS, KC_RSFT,
    KC_LCTL,  KC_LALT,  KC_LALT,  KC_LGUI,  LOWER,  KC_SPC,  KC_SPC,  RAISE,   ALTGR,   MEMA,    KC_F12,  KC_F5
),

/* Lower
 * ,-----------------------------------------------------------------------------------.
 * |   ~  |   !  |   "  |   #  |   $  |   %  |   &  |   /  |   (  |   )  |   =  | Bksp |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * |      |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   ?  |   *  |   `  |   +  |      |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |      |   <  |   >  |      |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      |      |      |      |      |
 * `-----------------------------------------------------------------------------------'
 */
[_LOWER] = LAYOUT_planck_grid(
    SI_TILD, SI_EXLM, SI_DQUO, KC_HASH, SI_DLR,  SI_PERC, SI_AMPR, SI_SLSH, SI_LPRN, SI_RPRN, SI_EQL,  _______,
    _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   SI_QUES, SI_ASTR, SI_GRV,  SI_PLUS, _______,
    _______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  _______, SI_LABK, SI_RABK, KC_END,  _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
),

/* Raise
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Del  |      |      |      |      |      |      |   -  |   =  |   [  |   ]  |  \   |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |      |      |      |      |      |      |ISO # |ISO / |Pg Up |Pg Dn |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      | Next | Vol- | Vol+ | Play |
 * `-----------------------------------------------------------------------------------'
 */
[_RAISE] = LAYOUT_planck_grid(
    _______, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
),


/* Adjust (Lower + Raise)
 * ,-----------------------------------------------------------------------------------.
 * |      | Reset|      |      |      |      |      |      |      |      |      |  Del |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * |      |      |      |Aud on|Audoff|AGnorm|AGswap|Qwerty|      |      |      |      |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |Voice-|Voice+|Mus on|Musoff|MIDIon|MIDIof|      |      |      |      |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      |      |      |      |      |
 * `-----------------------------------------------------------------------------------'
 */
[_ADJUST] = LAYOUT_planck_grid(
    _______, RESET,   DEBUG,    RGB_TOG, RGB_MOD, RGB_HUI, RGB_HUD, RGB_SAI, RGB_SAD, RGB_VAI, RGB_VAD, KC_DEL ,
    _______, _______, MU_MOD,  AU_ON,   AU_OFF,  AG_NORM, AG_SWAP, QWERTY,  _______, _______,  _______,  _______,
    _______, MUV_DE,  MUV_IN,  MU_ON,   MU_OFF,  MI_ON,   MI_OFF,  TERM_ON, TERM_OFF, _______, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
),

/* Altgr <>
 * ,-----------------------------------------------------------------------------------.
 * |      |   \  |   |  |   €  |      |      |      |      |      |      |      |      |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * |      |      |      |      |   [  |   ]  |      |      |      |      |      |      |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |      |      |      |   @  |   {  |   }  |      |   <  |   >  |      |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      |      |      |      |      |
 * `-----------------------------------------------------------------------------------'
 */
[_ALTGR] = LAYOUT_planck_grid(k
    _______, SI_BSLS, SI_PIPE, SI_EURO, _______, _______, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, _______, SI_LBRC, SI_RBRC, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, _______, SI_AT,   SI_LCBR, SI_RCBR, _______, SI_LABK, SI_RABK, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
),

[_CAPS] = LAYOUT_planck_grid(
    KC_ESC , KC_BSPC, KC_UP  , KC_DEL , _______, _______, _______, _______, _______, KC_HOME,       KC_END,         KC_DEL ,
    _______, KC_LEFT, KC_DOWN, KC_RGHT, _______, _______, _______, _______, _______, LCTL(KC_LEFT), LCTL(KC_RIGHT), _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,       _______,        _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,       _______,        _______
),

[_MEMA] = LAYOUT_planck_grid(
    _______, _______, _______, _______, _______, _______, _______, KC_MPRV, KC_MNXT, KC_VOLD, KC_MPLY, KC_VOLU,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
),

[_CARON] = LAYOUT_planck_grid(
    _______, _______, _______, _______, _______, _______, SI_ZCAR  , _______, _______, _______, _______, _______,
    _______, _______, SI_SCAR,   _______, _______, _______, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, SI_CCAR,   _______, _______, _______, _______, _______, _______, _______, _______,
    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
),


};

#ifdef AUDIO_ENABLE
  float plover_song[][2]     = SONG(PLOVER_SOUND);
  float plover_gb_song[][2]  = SONG(PLOVER_GOODBYE_SOUND);
#endif

uint32_t layer_state_set_user(uint32_t state) {
  return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
}

bool muse_mode = false;
uint8_t last_muse_note = 0;
uint16_t muse_counter = 0;
uint8_t muse_offset = 70;
uint16_t muse_tempo = 50;

bool encoder_update(bool clockwise) {
  if (muse_mode) {
    if (IS_LAYER_ON(_RAISE)) {
      if (clockwise) {
        muse_offset++;
      } else {
        muse_offset--;
      }
    } else {
      if (clockwise) {
        muse_tempo+=1;
      } else {
        muse_tempo-=1;
      }
    }
  } else {
    if (clockwise) {
      register_code(KC_PGDN);
      unregister_code(KC_PGDN);
    } else {
      register_code(KC_PGUP);
      unregister_code(KC_PGUP);
    }
  }
    return true;
}

void dip_update(uint8_t index, bool active) {
  switch (index) {
    case 0:
      if (active) {
        #ifdef AUDIO_ENABLE
          PLAY_SONG(plover_song);
        #endif
        layer_on(_ADJUST);
      } else {
        #ifdef AUDIO_ENABLE
          PLAY_SONG(plover_gb_song);
        #endif
        layer_off(_ADJUST);
      }
      break;
    case 1:
      if (active) {
        muse_mode = true;
      } else {
        muse_mode = false;
        #ifdef AUDIO_ENABLE
          stop_all_notes();
        #endif
      }
   }
}

void matrix_scan_user(void) {
  #ifdef AUDIO_ENABLE
    if (muse_mode) {
      if (muse_counter == 0) {
        uint8_t muse_note = muse_offset + SCALE[muse_clock_pulse()];
        if (muse_note != last_muse_note) {
          stop_note(compute_freq_for_midi_note(last_muse_note));
          play_note(compute_freq_for_midi_note(muse_note), 0xF);
          last_muse_note = muse_note;
        }
      }
      muse_counter = (muse_counter + 1) % muse_tempo;
    }
  #endif
}

bool music_mask_user(uint16_t keycode) {
  switch (keycode) {
    case RAISE:
    case LOWER:
      return false;
    default:
      return true;
  }
}