/*
 * Copyright (c) 2021 Espressif Systems (Shanghai) CO LTD
 * All rights reserved.
 *
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form, except as embedded into a Espressif Systems
 *    integrated circuit in a product or a software update for such product,
 *    must reproduce the above copyright notice, this list of conditions and
 *    the following disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * 4. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#pragma once

#include "driver/gpio.h"

#ifdef __cplusplus
extern "C" {
#endif

/* user should configure which I/O port as toggle switch input, default is GPIO9 */
#define GPIO_INPUT_IO_TOGGLE_SWITCH  GPIO_NUM_9

/* config button level depends on the pull up/down setting
   push button level is on level = 1 when pull-down enable
   push button level is on level = 0 when pull-up enable
*/
#define GPIO_INPUT_LEVEL_ON     0

#define ESP_INTR_FLAG_DEFAULT 0

#define PAIR_SIZE(TYPE_STR_PAIR) (sizeof(TYPE_STR_PAIR) / sizeof(TYPE_STR_PAIR[0]))

typedef enum {
    SWITCH_IDLE,
    SWITCH_PRESS_ARMED,
    SWITCH_PRESS_DETECTED,
    SWITCH_PRESSED,
    SWITCH_RELEASE_DETECTED,
} switch_state_t;

typedef enum {
    SWITCH_ON_CONTROL,
    SWITCH_OFF_CONTROL,
    SWITCH_ONOFF_TOGGLE_CONTROL,
    SWITCH_LEVEL_UP_CONTROL,
    SWITCH_LEVEL_DOWN_CONTROL,
    SWITCH_LEVEL_CYCLE_CONTROL,
    SWITCH_COLOR_CONTROL,
} switch_func_t;

typedef struct {
    uint32_t pin;
    switch_func_t func;
} switch_func_pair_t;

typedef void (*esp_switch_callback_t)(switch_func_pair_t param);

/**
 * @brief init function for switch and callback setup
 *
 * @param button_func_pair      pointer of the button pair.
 * @param button_num            number of button pair.
 * @param cb                    callback pointer.
 */
bool switch_driver_init(switch_func_pair_t *button_func_pair, uint8_t button_num, esp_switch_callback_t cb);

#ifdef __cplusplus
} // extern "C"
#endif