/*
 * Copyright (c) 2020 The ZMK Contributors
 *
 * SPDX-License-Identifier: MIT
 */

#include <behaviors.dtsi>
#include <dt-bindings/zmk/keys.h>
#include <dt-bindings/zmk/outputs.h>
#include <dt-bindings/zmk/bt.h>
#include <dt-bindings/zmk/ext_power.h>

#define LOWER_LAYER_ID 2
#define RAISE_LAYER_ID (LOWER_LAYER_ID + 1)
#define COMBO_LAYER_ID (RAISE_LAYER_ID + 1)

#define L_L LOWER_LAYER_ID
#define L_R RAISE_LAYER_ID
#define L_C COMBO_LAYER_ID

&mt {
  retro-tap;
  label = "Mod Tap";
  #binding-cells = <2>;
  tapping-term-ms = <200>;
  flavor = "hold-preferred";
  bindings = <&kp>, <&kp>;
};

/ {
	behaviors {
		ht: hold_tap {
			compatible = "zmk,behavior-hold-tap";
			label = "Hold Tap";
			#binding-cells = <2>;
			tapping-term-ms = <200>;
			flavor = "balanced";
			bindings = <&kp>, <&kp>;
		};
	};

  keymap {
    compatible = "zmk,keymap";

    default_layer {
      bindings = <
        &kp GRAVE     &kp N1   &kp N2   &kp N3   &kp N4    &kp N5                        &kp N6  &kp N7    &kp N8    &kp N9    &kp N0   &kp BSPC
        &kp TAB       &kp Q    &kp W    &kp E    &kp R     &kp T                         &kp Y   &kp U     &kp I     &kp O     &kp P    &kp BSPC
        &mt LCTRL ESC &kp A    &kp S    &kp D    &kp F     &kp G                         &kp H   &kp J     &kp K     &kp L     &kp SEMI &ht LCTRL SQT
        &kp LSHFT     &kp Z    &kp X    &kp C    &kp V     &kp B   &kp C_MUTE   &kp K_PP &kp N   &kp M     &kp COMMA &kp DOT   &kp FSLH &kp RET
                               &kp LALT &kp LGUI &kp SPACE &mo L_L &kp LSHFT    &kp RET  &mo L_R &kp SPACE &kp RALT  &kp RSHFT
      >;

      sensor-bindings = <&inc_dec_kp C_VOL_UP C_VOL_DN &inc_dec_kp PG_DN PG_UP >;
    };

    gamer_layer {
      bindings = <
        &kp ESC   &trans   &trans   &trans   &trans    &trans                        &trans  &trans    &trans    &trans    &trans   &trans
        &kp TAB   &trans   &trans   &trans   &trans    &trans                        &trans  &trans    &trans    &trans    &trans   &trans
        &kp LCTRL &trans   &trans   &trans   &trans    &trans                        &trans  &trans    &trans    &trans    &trans   &trans
        &trans    &trans   &trans   &trans   &trans    &trans  &trans       &trans   &trans  &trans    &trans    &trans    &trans   &trans
                           &trans   &trans   &trans    &trans  &trans       &trans   &trans  &trans    &trans    &trans
      >;

      sensor-bindings = <&inc_dec_kp C_VOL_UP C_VOL_DN &inc_dec_kp PG_DN PG_UP >;
    };

    lower_layer {
      bindings = <
&kp F1    &kp F2    &kp F3    &kp F4      &kp F5   &kp F6                    &kp F7    &kp F8    &kp F9          &kp F10   &kp F11   &kp F12
&kp TILDE &kp EXCL  &kp AT    &kp HASH    &kp DLLR &kp PRCNT                 &kp CARET &kp AMPS  &kp KP_MULTIPLY &kp LPAR  &kp RPAR  &kp BSPC
&trans    &trans    &trans    &trans      &trans   &trans                    &trans    &kp UNDER &kp PLUS        &kp LBRC  &kp RBRC  &kp PIPE
&trans    &kp EQUAL &kp MINUS &kp KP_PLUS &kp LBRC &kp RBRC  &trans   &trans &trans    &trans    &kp LT          &kp GT    &kp QMARK &trans
                    &trans    &mo L_C     &trans   &trans    &trans   &trans &mo L_C   &kp RET   &trans          &trans
      >;

      sensor-bindings = <&inc_dec_kp C_VOL_UP C_VOL_DN &inc_dec_kp LEFT RIGHT>;
    };

    raise_layer {
      bindings = <
&kp ESC   &kp EXCL &kp AT &kp HASH &kp DLLR &kp PRCNT                 &kp CARET &kp AMPS  &kp KP_MULTIPLY &kp LPAR  &kp RPAR  &kp BSPC
&kp GRAV  &kp N1   &kp N2 &kp N3   &kp N4   &kp N5                    &kp N6    &kp N7    &kp N8          &kp N9    &kp N0    &kp DEL
&trans    &trans   &trans &trans   &trans   &trans                    &trans    &kp MINUS &kp EQUAL       &kp LBKT  &kp RBKT  &kp BSLH
&kp LSHFT &trans   &trans &trans   &trans   &trans    &trans   &trans &trans    &kp INS   &trans          &trans    &trans    &trans
                   &trans &trans   &kp LALT &mo L_C   &trans   &trans &trans    &trans    &mo L_C         &trans
      >;

      sensor-bindings = <&inc_dec_kp UP DOWN &inc_dec_kp PG_UP PG_DN>;
    };

    combo_layer {
      bindings = <
&bootloader       &tog 1           &trans       &ext_power EP_OFF &bt BT_CLR   &out OUT_TOG                 &trans     &trans       &ext_power EP_OFF &trans       &trans           &bootloader
&reset            &trans           &trans       &trans            &trans       &out OUT_BLE                 &kp C_PREV &kp C_VOL_DN &kp K_PP          &kp C_VOL_UP &kp C_NEXT       &reset
&ext_power EP_ON  &ext_power EP_ON &trans       &trans            &trans       &out OUT_USB                 &kp LEFT   &kp DOWN     &kp UP            &kp RIGHT    &ext_power EP_ON &ext_power EP_ON
&trans            &bt BT_SEL 0     &bt BT_SEL 1 &bt BT_SEL 2      &bt BT_SEL 3 &bt BT_SEL 4 &trans   &trans &kp HOME   &kp PGDN     &kp PGUP          &kp END      &trans           &trans
                                   &trans       &trans            &trans       &trans       &trans   &trans &trans     &trans       &trans            &trans
      >;

      sensor-bindings = <&inc_dec_kp C_VOL_UP C_VOL_DN &inc_dec_kp PG_UP PG_DN>;
    };
  };
};