/* Copyright 2016-2018 Erez Zukerman, Jack Humbert, Yiancar
 *
 * 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/>.
 */
#pragma once

#if defined(__AVR__)
    #include <avr/pgmspace.h>
    #include <avr/io.h>
    #include <avr/interrupt.h>
#endif
#if defined(PROTOCOL_CHIBIOS)
    #include "hal.h"
#endif

#include "wait.h"
#include "matrix.h"
#include "keymap.h"

#ifdef BACKLIGHT_ENABLE
    #ifdef LED_MATRIX_ENABLE
        #include "ledmatrix.h"
    #else
        #include "backlight.h"
    #endif
#endif

#if defined(RGBLIGHT_ENABLE)
    #include "rgblight.h"
#elif defined(RGB_MATRIX_ENABLE)
    // Dummy define RGBLIGHT_MODE_xxxx
    #define RGBLIGHT_H_DUMMY_DEFINE
    #include "rgblight.h"
#endif

#ifdef RGB_MATRIX_ENABLE
    #include "rgb_matrix.h"
#endif

#include "action_layer.h"
#include "eeconfig.h"
#include "bootloader.h"
#include "timer.h"
#include "config_common.h"
#include "led.h"
#include "action_util.h"
#include "print.h"
#include "send_string_keycodes.h"
#include "suspend.h"
#include <stddef.h>
#include <stdlib.h>

extern uint32_t default_layer_state;

#ifndef NO_ACTION_LAYER
    extern uint32_t layer_state;
#endif

#if defined(MIDI_ENABLE) && defined(MIDI_ADVANCED)
    #include "process_midi.h"
#endif

#ifdef AUDIO_ENABLE
    #include "audio.h"
    #include "process_audio.h"
    #ifdef AUDIO_CLICKY
        #include "process_clicky.h"
    #endif
#endif

#ifdef STENO_ENABLE
    #include "process_steno.h"
#endif

#if defined(AUDIO_ENABLE) || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
    #include "process_music.h"
#endif

#ifdef LEADER_ENABLE
    #include "process_leader.h"
#endif

#ifdef UNICODE_ENABLE
    #include "process_unicode.h"
#endif

#ifdef UCIS_ENABLE
    #include "process_ucis.h"
#endif

#ifdef UNICODEMAP_ENABLE
    #include "process_unicodemap.h"
#endif

#ifdef TAP_DANCE_ENABLE
    #include "process_tap_dance.h"
#endif

#ifdef PRINTING_ENABLE
    #include "process_printer.h"
#endif

#ifdef AUTO_SHIFT_ENABLE
    #include "process_auto_shift.h"
#endif

#ifdef COMBO_ENABLE
    #include "process_combo.h"
#endif

#ifdef KEY_LOCK_ENABLE
    #include "process_key_lock.h"
#endif

#ifdef TERMINAL_ENABLE
    #include "process_terminal.h"
#else
    #include "process_terminal_nop.h"
#endif

#ifdef SPACE_CADET_ENABLE
    #include "process_space_cadet.h"
#endif

#ifdef HD44780_ENABLE
    #include "hd44780.h"
#endif

#ifdef HAPTIC_ENABLE
    #include "haptic.h"
#endif

#ifdef OLED_DRIVER_ENABLE
    #include "oled_driver.h"
#endif

// Function substitutions to ease GPIO manipulation
#if defined(__AVR__)
    typedef uint8_t pin_t;

    #define PIN_ADDRESS(p, offset)  (_SFR_IO8(ADDRESS_BASE + ((p) >> PORT_SHIFTER) + (offset)))
    #define setPinInput(pin)        (PIN_ADDRESS(pin, 1) &= ~_BV((pin) & 0xF))
    #define setPinInputHigh(pin)    (PIN_ADDRESS(pin, 1) &= ~_BV((pin) & 0xF), \
                                     PIN_ADDRESS(pin, 2) |=  _BV((pin) & 0xF))
    #define setPinInputLow(pin)     _Static_assert(0, "AVR processors cannot implement an input as pull low")
    #define setPinOutput(pin)       (PIN_ADDRESS(pin, 1) |=  _BV((pin) & 0xF))

    #define writePinHigh(pin)       (PIN_ADDRESS(pin, 2) |=  _BV((pin) & 0xF))
    #define writePinLow(pin)        (PIN_ADDRESS(pin, 2) &= ~_BV((pin) & 0xF))
    #define writePin(pin, level)    ((level) ? writePinHigh(pin) : writePinLow(pin))

    #define readPin(pin)            ((bool)(PIN_ADDRESS(pin, 0) & _BV((pin) & 0xF)))
#elif defined(PROTOCOL_CHIBIOS)
    typedef ioline_t pin_t;

    #define setPinInput(pin)        palSetLineMode(pin, PAL_MODE_INPUT)
    #define setPinInputHigh(pin)    palSetLineMode(pin, PAL_MODE_INPUT_PULLUP)
    #define setPinInputLow(pin)     palSetLineMode(pin, PAL_MODE_INPUT_PULLDOWN)
    #define setPinOutput(pin)       palSetLineMode(pin, PAL_MODE_OUTPUT_PUSHPULL)

    #define writePinHigh(pin)       palSetLine(pin)
    #define writePinLow(pin)        palClearLine(pin)
    #define writePin(pin, level)    ((level) ? writePinHigh(pin) : writePinLow(pin))

    #define readPin(pin)            palReadLine(pin)
#endif

// Send string macros
#define STRINGIZE(z) #z
#define ADD_SLASH_X(y) STRINGIZE(\x ## y)
#define SYMBOL_STR(x) ADD_SLASH_X(x)

#define SS_TAP_CODE 1
#define SS_DOWN_CODE 2
#define SS_UP_CODE 3

#define SS_TAP(keycode) "\1" SYMBOL_STR(keycode)
#define SS_DOWN(keycode) "\2" SYMBOL_STR(keycode)
#define SS_UP(keycode) "\3" SYMBOL_STR(keycode)

// `string` arguments must not be parenthesized
#define SS_LCTRL(string) SS_DOWN(X_LCTRL) string SS_UP(X_LCTRL)
#define SS_LGUI(string) SS_DOWN(X_LGUI) string SS_UP(X_LGUI)
#define SS_LCMD(string) SS_LGUI(string)
#define SS_LWIN(string) SS_LGUI(string)
#define SS_LALT(string) SS_DOWN(X_LALT) string SS_UP(X_LALT)
#define SS_LSFT(string) SS_DOWN(X_LSHIFT) string SS_UP(X_LSHIFT)
#define SS_RALT(string) SS_DOWN(X_RALT) string SS_UP(X_RALT)
#define SS_ALGR(string) SS_RALT(string)

#define SEND_STRING(string) send_string_P(PSTR(string))

extern const bool ascii_to_shift_lut[128];
extern const bool ascii_to_altgr_lut[128];
extern const uint8_t ascii_to_keycode_lut[128];

void send_string(const char *str);
void send_string_with_delay(const char *str, uint8_t interval);
void send_string_P(const char *str);
void send_string_with_delay_P(const char *str, uint8_t interval);
void send_char(char ascii_code);

// For tri-layer
void update_tri_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3);
uint32_t update_tri_layer_state(uint32_t state, uint8_t layer1, uint8_t layer2, uint8_t layer3);

void set_single_persistent_default_layer(uint8_t default_layer);

void tap_random_base64(void);

#define IS_LAYER_ON(layer)  (layer_state & (1UL << (layer)))
#define IS_LAYER_OFF(layer) (~layer_state & (1UL << (layer)))

void matrix_init_kb(void);
void matrix_scan_kb(void);
void matrix_init_user(void);
void matrix_scan_user(void);
uint16_t get_record_keycode(keyrecord_t *record);
uint16_t get_event_keycode(keyevent_t event);
bool process_action_kb(keyrecord_t *record);
bool process_record_kb(uint16_t keycode, keyrecord_t *record);
bool process_record_user(uint16_t keycode, keyrecord_t *record);

#ifndef BOOTMAGIC_LITE_COLUMN
    #define BOOTMAGIC_LITE_COLUMN 0
#endif
#ifndef BOOTMAGIC_LITE_ROW
    #define BOOTMAGIC_LITE_ROW 0
#endif

void bootmagic_lite(void);

void reset_keyboard(void);

void startup_user(void);
void shutdown_user(void);

void register_code16(uint16_t code);
void unregister_code16(uint16_t code);
void tap_code16(uint16_t code);

#ifdef BACKLIGHT_ENABLE
void backlight_init_ports(void);
void backlight_task(void);

    #ifdef BACKLIGHT_BREATHING
void breathing_task(void);
void breathing_enable(void);
void breathing_pulse(void);
void breathing_disable(void);
void breathing_self_disable(void);
void breathing_toggle(void);
bool is_breathing(void);

void breathing_intensity_default(void);
void breathing_period_default(void);
void breathing_period_set(uint8_t value);
void breathing_period_inc(void);
void breathing_period_dec(void);
    #endif
#endif

void send_dword(uint32_t number);
void send_word(uint16_t number);
void send_byte(uint8_t number);
void send_nibble(uint8_t number);
uint16_t hex_to_keycode(uint8_t hex);

void led_set_user(uint8_t usb_led);
void led_set_kb(uint8_t usb_led);

void api_send_unicode(uint32_t unicode);