/*
 * 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>

#define QUICK_TAP_MS 125
#define TAPPING_TERM_MS 150
#define SLOW_TAPPING_TERM_MS 350
#define IDLE_TIMEOUT_MS 5000
#define REQ_IDLE_MS 150

&lt {
    // Layer toggle

    flavor = "tap-preferred";
    tapping-term-ms = <TAPPING_TERM_MS>;
    quick-tap-ms = <QUICK_TAP_MS>;
};

&sk {
    // Sticky keys settings, One Shot Keys [QMK]

    release-after-ms = <IDLE_TIMEOUT_MS>;
    quick-release;
};

&caps_word {
    // Allow caps word to continue even when minus or underscore are pressed.
    // Also prevent mod presses from cancelling caps word.

    continue-list = <
      UNDERSCORE MINUS
      LCTRL LALT LGUI LSHFT
      RCTRL RALT RGUI RSHFT
      BACKSPACE
    >;

    /delete-property/ ignore-modifiers;
};

/ {
    behaviors {
        hml: homerow_mods_left {
            compatible = "zmk,behavior-hold-tap";
            label = "HOMEROW_MODS_LEFT_HAND";
            bindings = <&kp>, <&kp>;

            #binding-cells = <2>;
            tapping-term-ms = <TAPPING_TERM_MS>;
            quick-tap-ms = <QUICK_TAP_MS>;
            flavor = "balanced";
            require-prior-idle-ms = <REQ_IDLE_MS>;
            hold-trigger-key-positions = <5 6 7 8 9 19 18 17 16 15 34 25 26 35 27 28 29 37 36>;
            hold-trigger-on-release;
        };
        hmr: homerow_mods_right {
            compatible = "zmk,behavior-hold-tap";
            label = "HOMEROW_MODS_RIGHT_HAND";
            bindings = <&kp>, <&kp>;

            #binding-cells = <2>;
            tapping-term-ms = <TAPPING_TERM_MS>;
            quick-tap-ms = <QUICK_TAP_MS>;
            require-prior-idle-ms = <REQ_IDLE_MS>;
            hold-trigger-key-positions = <0 1 2 3 4 14 13 12 11 10 11 12 13 14 20 21 22 23 24 30 31 32 33>;
            flavor = "balanced";
            hold-trigger-on-release;
        };
        ss_cw: shift_capsword {
            compatible = "zmk,behavior-tap-dance";
            label = "SHIFT_CAPSWORD";
            #binding-cells = <0>;
            bindings = <&sk LEFT_SHIFT>, <&caps_word>;

            tapping-term-ms = <SLOW_TAPPING_TERM_MS>;
        };
        cln_scln_td: cln_scln_td {
            compatible = "zmk,behavior-tap-dance";
            label = "CLN_SCLN_TD";
            #binding-cells = <0>;
            bindings = <&kp COLON>, <&kp SEMICOLON>;
        };
    };

    keymap {
        compatible = "zmk,keymap";

        base {
            bindings = <
            &kp Q       &kp W       &kp E       &kp R       &kp T                       &kp Y       &kp U       &kp I       &kp O       &kp P
&kp ESCAPE  &kp A       &kp S       &kp D       &kp F       &kp G                       &kp H       &kp J       &kp K       &kp L       &kp RBKT    &kp BSPC
&kp LSHIFT  &kp Z       &kp X       &kp C       &kp V       &kp B                       &kp N       &kp M       &kp COMMA   &kp PERIOD  &kp FSLH    &kp ENTER
                                            &mo 1       &mo 2       &kp SPACE   &none       &mo 3       &none
            >;
        };


// For the german keyboard layout
        special_char {
            bindings = <
            &kp GRAVE   &kp EQUAL   &none       &none       &none                       &kp LS(N5)  &kp LS(N7)  &kp RA(N7)  &kp RA(N0)  &kp RA(RBKT)
&kp TAB     &none       &kp LS(N2)  &kp LS(MINUS) &kp LS(N1) &none                      &kp LS(N6)  &kp LS(N0)  &kp LS(N8)  &kp LS(N9)  &kp BSLH    &kp DEL
&kp LSHIFT  &kp NUBS    &kp LS(NUBS) &none      &none       &none                       &kp RA(NUBS) &kp LS(N4) &kp RA(N8)  &kp RA(N9)  &kp RA(MINUS) &kp ENTER
                                            &trans      &none       &none       &none       &none       &none
            >;
        };


        num_fun {
            bindings = <
            &kp F9      &kp F10     &kp F11     &kp F12     &none                       &none       &kp N7      &kp N8      &kp N9      &none
&kp TAB     &kp F5      &kp F6      &kp F7      &kp F8      &none                       &none       &kp N4      &kp N5      &kp N6      &kp RBKT    &kp DEL
&kp LSHIFT  &kp F1      &kp F2      &kp F3      &kp F4      &none                       &kp N0      &kp N1      &kp N2      &kp N3      &kp FSLH    &kp ENTER
                                            &none       &trans      &none       &none       &none       &kp N0
            >;
        };


        nav_umlaut {
            bindings = <
            &none       &none       &none       &none       &none                       &none       &kp LBKT    &none       &kp SEMI    &none
&kp TAB     &kp SQT     &kp MINUS   &none       &none       &none                       &kp LEFT    &kp DOWN    &kp UP      &kp RIGHT   &none       &kp DEL
&kp LSHIFT  &none       &none       &none       &none       &none                       &none       &none       &none       &none       &none       &kp ENTER
                                            &none       &trans      &none       &none       &none       &none
            >;
        };

    
    };



    combos {
        compatible = "zmk,combos";
        
        // left home row combos
        combo_LSHIFT {
            key-positions = <13 14>;
            bindings = <&sk LSHIFT>;
            timeout-ms = <50>;
            slow-release;
        };
        combo_LCTRL {
            key-positions = <12 14>;
            bindings = <&sk LCTRL>;
            timeout-ms = <50>;
            slow-release;
        };
        combo_LMETA {
            key-positions = <12 13>;
            bindings = <&sk LMETA>;
            timeout-ms = <50>;
            slow-release;
        };
        combo_LALT {
            key-positions = <11 14>;
            bindings = <&sk LALT>;
            timeout-ms = <50>;
            slow-release;
        };
        
        // right home row combos
        combo_RSHIFT {
            key-positions = <17 18>;
            bindings = <&sk RSHIFT>;
            timeout-ms = <50>;
            slow-release;
        };
        combo_RCTRL {
            key-positions = <17 19>;
            bindings = <&sk RCTRL>;
            timeout-ms = <50>;
            slow-release;
        };
        combo_RMETA {
            key-positions = <18 19>;
            bindings = <&sk RMETA>;
            timeout-ms = <50>;
            slow-release;
        };
        combo_RALT {
            key-positions = <17 20>;
            bindings = <&sk RALT>;
            timeout-ms = <50>;
            slow-release;
        };
    };

};