/*
Copyright 2017 Luiz Ribeiro <luizribeiro@gmail.com>

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

#ifdef KEYMAP
#undef KEYMAP
#endif
#define KEYMAP KEYMAP_OFFSET

#define _QWERTY 0
#define _LOWER  1
#define _RAISE  2
#define _NAV    3

#define NAV_TAP LT(_NAV, KC_SPC)

enum custom_keycodes {
  QWERTY = SAFE_RANGE,
  LOWER,
  RAISE,
  CC_ARRW,
  CC_PRN,
  CC_BRC,
  CC_CBR,
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Qwerty
 * ,-----------------------------------------------------------------------------------.
 * | Esc  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Bksp |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Tab  |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |Enter |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |   `  |   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |  '   |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Ctrl |  OS  | Alt  |Lower |Shift |Raise |    Space    | Left | Down |  Up  |Right |
 * `-----------------------------------------------------------------------------------'
 */
[_QWERTY] = KEYMAP( \
  KC_ESC,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC, \
  KC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_ENT, \
  KC_GRV,  KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_QUOT, \
  KC_LCTL, KC_LGUI, KC_LALT, TT(_LOWER), KC_LSFT, TT(_RAISE), NAV_TAP,    KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT \
),

/* Lower
 * ,-----------------------------------------------------------------------------------.
 * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  F7  |  F8  |  F9  | F10  | F11  | F12  |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Ins  |      |      |  ()  |  []  |  {}  | Home | PgDn | PgUp | End  |      |      |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |RESET | Back | Fwd  |      |      |      |      |      | Mute | Vol- | Vol+ |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      | Lock |      |             | Prev | Stop | Play | Next |
 * `-----------------------------------------------------------------------------------'
 */
[_LOWER] = KEYMAP( \
  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12, \
  KC_INS,  _______, _______, CC_PRN,  CC_BRC,  CC_CBR,  KC_HOME, KC_PGDN, KC_PGUP, KC_END,  _______, _______, \
  RESET,   KC_WBAK, KC_WFWD, _______, _______, _______, _______, _______, KC_MUTE, KC_VOLD, KC_VOLU, _______, \
  _______, _______, _______, _______, KC_LOCK, _______, _______,          KC_MPRV, KC_MSTP, KC_MPLY, KC_MNXT \
),

/* Raise
 * ,-----------------------------------------------------------------------------------.
 * | Caps |   &  |   *  |   _  |   (  |   )  |   7  |   8  |   9  |   =  | Bksp | Del  |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Tab  |   $  |   %  |   ^  |   [  |   ]  |   4  |   5  |   6  |   -  |   +  |Enter |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |  ->  |   !  |   @  |   #  |   {  |   }  |   1  |   2  |   3  |   .  |   \  |  |   |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Ctrl |  OS  | Alt  |      |Shift |      |      0      | Home | PgDn | PgUp | End  |
 * `-----------------------------------------------------------------------------------'
 */
[_RAISE] = KEYMAP( \
  KC_CAPS, KC_AMPR, KC_ASTR, KC_UNDS, KC_LPRN, KC_RPRN, KC_7,    KC_8,    KC_9,    KC_EQL,  KC_BSPC, KC_DEL, \
  KC_TAB,  KC_DLR,  KC_PERC, KC_CIRC, KC_LBRC, KC_RBRC, KC_4,    KC_5,    KC_6,    KC_MINS, KC_PLUS, _______, \
  CC_ARRW, KC_EXLM, KC_AT,   KC_HASH, KC_LCBR, KC_RCBR, KC_1,    KC_2,    KC_3,    _______, KC_BSLS, KC_PIPE, \
  _______, _______, _______, _______, _______, _______, KC_0,             KC_HOME, KC_PGDN, KC_PGUP, KC_END \
),

[_NAV] = KEYMAP( \
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, \
  _______, _______, _______, _______, _______, _______, KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT, _______, _______, \
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, \
  _______, _______, _______, _______, _______, _______, _______,          _______, _______, _______, _______ \
)
};

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  if (record->event.pressed) {
    switch(keycode) {
      case CC_ARRW:
        SEND_STRING("->");
        return false;
      case CC_PRN:
        SEND_STRING("()"SS_TAP(X_LEFT));
        return false;
      case CC_BRC:
        SEND_STRING("[]"SS_TAP(X_LEFT));
        return false;
      case CC_CBR:
        SEND_STRING("{}"SS_TAP(X_LEFT));
        return false;
    }
  }
  return true;
}


// Loop
void matrix_scan_user(void) {
  // Empty
};