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

#define HOST_OS 1
#include "../../../../zmk-nodefree-config/helper.h"

// activate Linux-mode for helper script
// #undef OS_UNICODE_LEAD
// #undef OS_UNICODE_TRAIL
// #define OS_UNICODE_LEAD &macro_tap &kp LS(LC(U))  // <- Linux compose sequence
// #define OS_UNICODE_TRAIL &macro_tap &kp SPACE  // <- Space terminates unicode input on Linux

ZMK_UNICODE_PAIR(lin_ae, N0, N0, E, N4, N0, N0, C, N4)
ZMK_UNICODE_PAIR(lin_ao, N0, N0, E, N5, N0, N0, C, N5)
ZMK_UNICODE_PAIR(lin_oe, N0, N0, F, N6, N0, N0, D, N6)
ZMK_UNICODE_SINGLE(multi_o, A, N6, N6, E) // multiocular o

// switch to Windows-mode (using WinCompose) for helper script
#undef OS_UNICODE_LEAD
#undef OS_UNICODE_TRAIL
#define OS_UNICODE_LEAD &macro_tap &kp RALT &kp U  // <- WinCompose sequence
#define OS_UNICODE_TRAIL &macro_tap &kp RET  // <- Return terminates unicode input on Windows

ZMK_UNICODE_PAIR(win_ae, N0, N0, E, N4, N0, N0, C, N4)
ZMK_UNICODE_PAIR(win_ao, N0, N0, E, N5, N0, N0, C, N5)
ZMK_UNICODE_PAIR(win_oe, N0, N0, F, N6, N0, N0, D, N6)

#define BASE 0
#define SYM 1
#define NAV 2
#define META 3
#define TOKI 4
#define GAME 5
#define WINDOWS 6
#define WIN_UNI 7

/ {
	conditional_layers {
		compatible = "zmk,conditional-layers";
		windows_unicode {
			if-layers = <SYM WINDOWS>;
			then-layer = <WIN_UNI>;
		};
	};

	keymap {
		compatible = "zmk,keymap";
		l_base {
			bindings = <
&kp ESC		&kp W	&kp F	&kp P		&kp B							&kp J		&kp L	&kp U	&kp Y	&kp BACKSPACE
&kp A		&kp R	&kp S	&kp T		&kp G							&kp M		&kp N	&kp E	&kp I	&kp O
&kp LCTRL	&kp X	&kp C	&kp D		&kp V							&kp K		&kp H	&kp Z	&kp Q	&kp LALT
							&kp SPACE	&mo SYM	&kp LWIN		&mo NAV	&kp LSHIFT	&kp RET
			>;
		};
		// numbers + symbols + non english letters
		l_sym {
			bindings = <
&kp TAB	&kp GRAVE	&kp LBKT	&kp RBKT	&none									&none		&lin_ao		&lin_ae		&lin_oe	&kp DEL
&kp N1	&kp N2		&kp N3		&kp N4		&kp N5									&kp N6		&kp N7		&kp N8		&kp N9	&kp N0
&trans	&kp SQT		&kp SLASH	&kp BSLH	&kp EQUAL								&kp MINUS	&kp SEMI	&kp COMMA	&kp DOT	&trans
								&trans		&trans		&trans			&mo META	&trans	&trans
			>;
//			 ' "	 / ?		 \ |		 = +									 - _		 ; :		 , <		 . >
		};
		// F keys + navigation
		l_nav {
			bindings = <
&kp F1	&kp F2	&kp F3	&kp F4	&kp F5								&kp PG_UP	&kp HOME	&kp UP		&kp END		&kp PSCRN
&kp F6	&kp F7	&kp F8	&kp F9	&kp F10								&kp PG_DN	&kp LEFT	&kp DOWN	&kp RIGHT	&kp K_CMENU
&trans	&kp F11	&kp F12	&kp F13	&kp F14								&kp F15		&kp F16		&kp F17		&kp F18		&trans
						&trans	&mo META	&trans			&trans	&trans		&trans
			>;
		};
		// media + bluetooth + future layer toggles
		l_meta {
			bindings = <
&trans	&none	&tog WINDOWS	&tog GAME	&tog TOKI					&kp C_BRI_UP	&kp C_PREV	&kp C_NEXT	&kp C_VOL_UP	&trans
&none	&none	&none			&none		&none						&kp C_BRI_DN	&kp C_PLAY	&kp C_STOP	&kp C_VOL_DN	&multi_o
&trans	&none	&bt BT_SEL 0	&bt BT_NXT	&bt BT_CLR					&none			&none		&none		&none			&trans
								&trans		&trans	&trans		&trans	&trans	&trans
			>;
		};
		// toki pona
		l_toki {
			bindings = <
&trans	&kp P	&kp W		&kp U		&none						&to BASE	&kp E	&kp S	&kp J	&trans
&kp N	&kp L	&kp I		&kp A		&none						&none	&kp O	&kp T	&kp M	&kp K
&trans	&none	&kp QMARK	&kp EXCL	&none						&none	&kp DOT	&kp COMMA	&none	&none
							&trans		&trans	&none		&none	&trans	&trans
			>;
		};
		// game compatibility / half qwerty
		l_game {
			bindings = <
&kp ESC		&kp Q	&kp W	&kp E		&kp R									&none	&none		&kp UP		&none		&kp BSPC
&kp LSHFT	&kp A	&kp S	&kp D		&kp F									&none	&kp LEFT	&kp DOWN	&kp RIGHT	&none
&kp LCTRL	&kp Z	&kp X	&kp C		&kp V									&none	&none		&none		&none		&none
							&kp LALT	&kp SPACE	&to BASE		&to BASE	&none	&kp RET
			>;
		};
		l_windows {
			bindings = <
&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	&trans
			>;
		};
		l_win_unicode {
			bindings = <
&trans	&trans	&trans	&trans	&trans						&trans	&win_ao	&win_ae	&win_oe	&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
			>;
		};
	};
};