/*
Copyright 2019 @foostan
Copyright 2020 Drashna Jaelre <@drashna>

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 <stdio.h>

enum layer_names {
  _DVORAK,
  _LOWER,
  _RAISE,
  _ADJUST
};

enum planck_keycodes {
  DVORAK = SAFE_RANGE,
  LOWER,
  RAISE,
  ADJUST
};

// Adding macros to make the keymaps below much easier to read.
#define DELGUI GUI_T(KC_DEL)
#define ALTENT ALT_T(KC_ENT)
#define SCLNCTL CTL_T(KC_SCLN)
#define QUEALT ALT_T(KC_Q)
#define VEEALT ALT_T(KC_V)
#define ZEDCTL CTL_T(KC_Z)
#define ADJUST MO(_ADJUST)
#define LOWER MO(_LOWER)
#define RAISE MO(_RAISE)
#define MACLOCK LGUI(LCTL(KC_Q))

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  [_DVORAK] = LAYOUT_split_3x6_3(
  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
       KC_TAB, KC_SCLN, KC_COMM,  KC_DOT,    KC_P,    KC_Y,                         KC_F,    KC_G,    KC_C,    KC_R,    KC_L, KC_SLSH,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
       KC_ESC,    KC_A,    KC_O,    KC_E,    KC_U,    KC_I,                         KC_D,    KC_H,    KC_T,    KC_N,    KC_S, KC_MINS,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      KC_LSFT, SCLNCTL,  QUEALT,    KC_J,    KC_K,    KC_X,                         KC_B,    KC_M,    KC_W,  VEEALT,  ZEDCTL, KC_RSFT,
  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
                                            LOWER, KC_BSPC,  DELGUI,     KC_ENT,  KC_SPC,   RAISE
                                      //`--------------------------'  `--------------------------'

  ),

  [_LOWER] = LAYOUT_split_3x6_3(
  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
       KC_GRV, KC_EXLM,   KC_AT, KC_HASH,  KC_DLR, KC_PERC,                      KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_BSLS,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      XXXXXXX, XXXXXXX, XXXXXXX,   KC_UP, XXXXXXX, KC_HOME,                      KC_PGUP, XXXXXXX, KC_PLUS, KC_LCBR, KC_RCBR, XXXXXXX,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      XXXXXXX, XXXXXXX, KC_LEFT, KC_DOWN, KC_RGHT,  KC_END,                      KC_PGDN, KC_MUTE, KC_VOLD, KC_VOLU, XXXXXXX, XXXXXXX,
  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
                                          _______,  KC_DEL, MACLOCK,    _______,  KC_INS, _______
                                      //`--------------------------'  `--------------------------'
  ),

  [_RAISE] = LAYOUT_split_3x6_3(
  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
      KC_TILD,    KC_1,    KC_2,    KC_3,    KC_4,    KC_5,                         KC_6,    KC_7,    KC_8,    KC_9,    KC_0, KC_PIPE,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      XXXXXXX, XXXXXXX, XXXXXXX,   KC_UP, XXXXXXX, KC_HOME,                      KC_PGUP, XXXXXXX,  KC_EQL, KC_LBRC, KC_RBRC, XXXXXXX,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      XXXXXXX, XXXXXXX, KC_LEFT, KC_DOWN, KC_RGHT,  KC_END,                      KC_PGDN, KC_MPRV, KC_MPLY, KC_MNXT, XXXXXXX, XXXXXXX,
  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
                                          _______,  KC_DEL, MACLOCK,    _______,  KC_INS, _______
                                      //`--------------------------'  `--------------------------'
  ),

  [_ADJUST] = LAYOUT_split_3x6_3(
  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
       KC_F11,   KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,                        KC_F6,   KC_F7,   KC_F8,   KC_F9,  KC_F10,  KC_F12,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      RGB_TOG, RGB_HUI, RGB_SAI, RGB_VAI, XXXXXXX, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      RGB_MOD, RGB_HUD, RGB_SAD, RGB_VAD, XXXXXXX, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,   RESET,
  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
                                          _______, _______, _______,    _______, _______, _______
                                      //`--------------------------'  `--------------------------'
  )
};

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

#ifdef OLED_DRIVER_ENABLE
oled_rotation_t oled_init_user(oled_rotation_t rotation) {
  if (!is_keyboard_master()) {
    return OLED_ROTATION_180;  // flips the display 180 degrees if offhand
  }
  return rotation;
}

#define L_BASE 0
#define L_LOWER 2
#define L_RAISE 4
#define L_ADJUST 8

void oled_render_layer_state(void) {
    oled_write_P(PSTR("Layer: "), false);
    switch (layer_state) {
        case L_BASE:
            oled_write_ln_P(PSTR("Default"), false);
            break;
        case L_LOWER:
            oled_write_ln_P(PSTR("Lower"), false);
            break;
        case L_RAISE:
            oled_write_ln_P(PSTR("Raise"), false);
            break;
        case L_ADJUST:
        case L_ADJUST|L_LOWER:
        case L_ADJUST|L_RAISE:
        case L_ADJUST|L_LOWER|L_RAISE:
            oled_write_ln_P(PSTR("Adjust"), false);
            break;
    }
}


char keylog_str[24] = {};

const char code_to_name[60] = {
    ' ', ' ', ' ', ' ', 'a', 'b', 'c', 'd', 'e', 'f',
    'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
    'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
    '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
    'R', 'E', 'B', 'T', '_', '-', '=', '[', ']', '\\',
    '#', ';', '\'', '`', ',', '.', '/', ' ', ' ', ' '};

void set_keylog(uint16_t keycode, keyrecord_t *record) {
  char name = ' ';
    if ((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) ||
        (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)) { keycode = keycode & 0xFF; }
  if (keycode < 60) {
    name = code_to_name[keycode];
  }

  // update keylog
  snprintf(keylog_str, sizeof(keylog_str), "%dx%d, k%2d : %c",
           record->event.key.row, record->event.key.col,
           keycode, name);
}

void oled_render_keylog(void) {
    oled_write(keylog_str, false);
}

void render_bootmagic_status(bool status) {
    /* Show Ctrl-Gui Swap options */
    static const char PROGMEM logo[][2][3] = {
        {{0x97, 0x98, 0}, {0xb7, 0xb8, 0}},
        {{0x95, 0x96, 0}, {0xb5, 0xb6, 0}},
    };
    if (status) {
        oled_write_ln_P(logo[0][0], false);
        oled_write_ln_P(logo[0][1], false);
    } else {
        oled_write_ln_P(logo[1][0], false);
        oled_write_ln_P(logo[1][1], false);
    }
}

void oled_render_logo(void) {
    static const char PROGMEM crkbd_logo[] = {
        0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94,
        0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4,
        0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
        0};
    oled_write_P(crkbd_logo, false);
}

void oled_task_user(void) {
    if (is_keyboard_master()) {
        oled_render_layer_state();
        oled_render_keylog();
    } else {
        oled_render_logo();
    }
}

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  if (record->event.pressed) {
    set_keylog(keycode, record);
  }
  return true;
}
#endif // OLED_DRIVER_ENABLE