/* 
    Table Night Ambient Lights
    Hardware
*/

#include <sdkconfig.h>

#include <iot_button.h>
#include <esp_rmaker_core.h>
#include <esp_rmaker_standard_params.h> 

#include <app_reset.h>
#include <ws2812_led.h>
#include "app_priv.h"

/* This is the button that is used for toggling the power */
#define BUTTON_GPIO          CONFIG_EXAMPLE_BOARD_BUTTON_GPIO
#define BUTTON_ACTIVE_LEVEL  0

/* This is the GPIO on which the power will be set */
#define OUTPUT_GPIO    CONFIG_EXAMPLE_OUTPUT_GPIO
static bool g_power_state = DEFAULT_POWER;

/* These values correspoind to H,S,V = 120,100,10 */
#define DEFAULT_RED     0
#define DEFAULT_GREEN   25
#define DEFAULT_BLUE    0

#define WIFI_RESET_BUTTON_TIMEOUT       3
#define FACTORY_RESET_BUTTON_TIMEOUT    10

static void app_indicator_set(bool state)
{
    if (state) {
        ws2812_led_set_rgb(DEFAULT_RED, DEFAULT_GREEN, DEFAULT_BLUE);
    } else {
        ws2812_led_clear();
    }
}

static void app_indicator_init(void)
{
    ws2812_led_init();
    app_indicator_set(g_power_state);
}
static void push_btn_cb(void *arg)
{
    bool new_state = !g_power_state;
    app_driver_set_state(new_state);
#ifdef CONFIG_EXAMPLE_ENABLE_TEST_NOTIFICATIONS
    /* This snippet has been added just to demonstrate how the APIs esp_rmaker_param_update_and_notify()
     * and esp_rmaker_raise_alert() can be used to trigger push notifications on the phone apps.
     * Normally, there should not be a need to use these APIs for such simple operations. Please check
     * API documentation for details.
     */
    if (new_state) {
        esp_rmaker_param_update_and_notify(
                esp_rmaker_device_get_param_by_name(switch_device, ESP_RMAKER_DEF_POWER_NAME),
                esp_rmaker_bool(new_state));
    } else {
        esp_rmaker_param_update_and_report(
                esp_rmaker_device_get_param_by_name(switch_device, ESP_RMAKER_DEF_POWER_NAME),
                esp_rmaker_bool(new_state));
        esp_rmaker_raise_alert("Switch was turned off");
    }
#else
    esp_rmaker_param_update_and_report(
            esp_rmaker_device_get_param_by_name(switch_device, ESP_RMAKER_DEF_POWER_NAME),
            esp_rmaker_bool(new_state));
#endif
}

static void set_power_state(bool target)
{
    //gpio_set_level(OUTPUT_GPIO, target);
    if (target)
        gpio_set_level(OUTPUT_GPIO, 1);
    else
        gpio_set_level(OUTPUT_GPIO, 0);
    app_indicator_set(target);
}

void app_driver_init()
{
    button_handle_t btn_handle = iot_button_create(BUTTON_GPIO, BUTTON_ACTIVE_LEVEL);
    if (btn_handle) {
        /* Register a callback for a button tap (short press) event */
        iot_button_set_evt_cb(btn_handle, BUTTON_CB_TAP, push_btn_cb, NULL);
        /* Register Wi-Fi reset and factory reset functionality on same button */
        app_reset_button_register(btn_handle, WIFI_RESET_BUTTON_TIMEOUT, FACTORY_RESET_BUTTON_TIMEOUT);
    }

    /* Configure power */
    gpio_config_t io_conf = {
        .mode = GPIO_MODE_OUTPUT,
        .pull_up_en = 1,
    };
    io_conf.pin_bit_mask = ((uint64_t)1 << OUTPUT_GPIO);
    /* Configure the GPIO */
    gpio_config(&io_conf);
    app_indicator_init();
}

int IRAM_ATTR app_driver_set_state(bool state)
{
    if(g_power_state != state) {
        g_power_state = state;
        set_power_state(g_power_state);
    }
    return ESP_OK;
}

bool app_driver_get_state(void)
{
    return g_power_state;
}