// This file is part of the CircuitPython project: https://circuitpython.org
//
// SPDX-FileCopyrightText: Copyright (c) 2019 Scott Shawcroft for Adafruit Industries
//
// SPDX-License-Identifier: MIT

#pragma once

#include "common-hal/microcontroller/Pin.h"

#include "shared-module/epaperdisplay/EPaperDisplay.h"
#include "shared-module/displayio/Group.h"

extern const mp_obj_type_t epaperdisplay_epaperdisplay_type;

#define NO_COMMAND 0x100

typedef struct {
    mp_obj_t bus;
    const uint8_t *start_sequence;
    uint16_t start_sequence_len;
    mp_float_t start_up_time;
    const uint8_t *stop_sequence;
    uint16_t stop_sequence_len;
    uint16_t width;
    uint16_t height;
    uint16_t ram_width;
    uint16_t ram_height;
    int16_t colstart;
    int16_t rowstart;
    uint16_t rotation;
    uint16_t set_column_window_command;
    uint16_t set_row_window_command;
    uint16_t set_current_column_command;
    uint16_t set_current_row_command;
    uint16_t write_black_ram_command;
    bool black_bits_inverted;
    uint16_t write_color_ram_command;
    bool color_bits_inverted;
    uint32_t highlight_color;
    uint32_t highlight_color2;
    const uint8_t *refresh_sequence;
    uint16_t refresh_sequence_len;
    mp_float_t refresh_time;
    const mcu_pin_obj_t *busy_pin;
    bool busy_state;
    mp_float_t seconds_per_frame;
    bool always_toggle_chip_select;
    bool grayscale;
    bool acep;
    bool spectra6;
    bool two_byte_sequence_length;
    bool address_little_endian;
} epaperdisplay_construct_args_t;

#define EPAPERDISPLAY_CONSTRUCT_ARGS_DEFAULTS { \
        .bus = mp_const_none, \
        .start_sequence = NULL, \
        .start_sequence_len = 0, \
        .start_up_time = 0.0, \
        .stop_sequence = NULL, \
        .stop_sequence_len = 0, \
        .width = 0, \
        .height = 0, \
        .ram_width = 0, \
        .ram_height = 0, \
        .colstart = 0, \
        .rowstart = 0, \
        .rotation = 0, \
        .set_column_window_command = NO_COMMAND, \
        .set_row_window_command = NO_COMMAND, \
        .set_current_column_command = NO_COMMAND, \
        .set_current_row_command = NO_COMMAND, \
        .write_black_ram_command = NO_COMMAND, \
        .black_bits_inverted = false, \
        .write_color_ram_command = NO_COMMAND, \
        .color_bits_inverted = false, \
        .highlight_color = 0x000000, \
        .highlight_color2 = 0x000000, \
        .refresh_sequence = NULL, \
        .refresh_sequence_len = 0, \
        .refresh_time = 0.0, \
        .busy_pin = NULL, \
        .busy_state = false, \
        .seconds_per_frame = 0.0, \
        .always_toggle_chip_select = false, \
        .grayscale = false, \
        .acep = false, \
        .spectra6 = false, \
        .two_byte_sequence_length = false, \
        .address_little_endian = false \
}

void common_hal_epaperdisplay_epaperdisplay_construct(epaperdisplay_epaperdisplay_obj_t *self,
    const epaperdisplay_construct_args_t *args);

bool common_hal_epaperdisplay_epaperdisplay_refresh(epaperdisplay_epaperdisplay_obj_t *self);

mp_obj_t common_hal_epaperdisplay_epaperdisplay_get_root_group(epaperdisplay_epaperdisplay_obj_t *self);
bool common_hal_epaperdisplay_epaperdisplay_set_root_group(epaperdisplay_epaperdisplay_obj_t *self, displayio_group_t *root_group);

// Returns time in milliseconds.
uint32_t common_hal_epaperdisplay_epaperdisplay_get_time_to_refresh(epaperdisplay_epaperdisplay_obj_t *self);
bool common_hal_epaperdisplay_epaperdisplay_get_busy(epaperdisplay_epaperdisplay_obj_t *self);

uint16_t common_hal_epaperdisplay_epaperdisplay_get_width(epaperdisplay_epaperdisplay_obj_t *self);
uint16_t common_hal_epaperdisplay_epaperdisplay_get_height(epaperdisplay_epaperdisplay_obj_t *self);
uint16_t common_hal_epaperdisplay_epaperdisplay_get_rotation(epaperdisplay_epaperdisplay_obj_t *self);
void common_hal_epaperdisplay_epaperdisplay_set_rotation(epaperdisplay_epaperdisplay_obj_t *self, int rotation);

mp_obj_t common_hal_epaperdisplay_epaperdisplay_get_bus(epaperdisplay_epaperdisplay_obj_t *self);