/*
 * ESPRESSIF MIT License
 *
 * Copyright (c) 2018 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
 *
 * Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in
 * which case, it is free of charge, to any person obtaining a copy of this
 * software and associated documentation files (the "Software"), to deal in the
 * Software without restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#ifndef _ADC_BUTTON_H_
#define _ADC_BUTTON_H_

#ifdef __cplusplus
extern "C" {
#endif

#include "esp_err.h"

typedef enum {
  USER_KEY_ID0,
  USER_KEY_ID1,
  USER_KEY_ID2,
  USER_KEY_ID3,
  USER_KEY_ID4,
  USER_KEY_ID5,
  USER_KEY_ID6,
  USER_KEY_MAX,
} user_key_id_num;

typedef struct {
  int adc_ch;
  int *adc_level_step;
  int total_steps;
  int press_judge_time;
} adc_arr_t;

typedef enum {
  ADC_BTN_STATE_IDLE,          // 0: idle
  ADC_BTN_STATE_ADC,           // 1: detect
  ADC_BTN_STATE_PRESSED,       // 2: pressed
  ADC_BTN_STATE_RELEASE,       // 3: press released
  ADC_BTN_STATE_LONG_PRESSED,  // 4: long pressed
  ADC_BTN_STATE_LONG_RELEASE,  // 5: long Press released
} adc_btn_state_t;

typedef struct {
  int active_id;
  int click_cnt;  // Timer tick count
  int long_click;
} btn_decription;

typedef struct adc_btn {
  adc_arr_t adc_info;
  btn_decription *btn_dscp;
  struct adc_btn *next;
} adc_btn_list;

typedef struct {
  int task_stack;
  int task_prio;
  int task_core;
  bool ext_stack;
} adc_btn_task_cfg_t;

typedef void (*adc_button_callback)(void *user_data, int adc, int id,
                                    adc_btn_state_t state);

void adc_btn_init(void *user_data, adc_button_callback cb, adc_btn_list *head,
                  adc_btn_task_cfg_t *task_cfg);

adc_btn_list *adc_btn_create_list(adc_arr_t *adc_conf, int channels);

esp_err_t adc_btn_destroy_list(adc_btn_list *head);

void adc_btn_delete_task(void);

#ifdef __cplusplus
}
#endif

#endif