/* main.c -- MQTT client example
*
* Copyright (c) 2014-2015, Tuan PM <tuanpm at live dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form 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.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* 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 OWNER 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.
*/

#include "esp_common.h"
#include "driver/uart.h"
#include "driver/spi_interface.h"
#include "gpio.h"

#include "log/esp_log.h"
#include "gdbstub/gdbstub.h"

#include "hal/lsm6ds3.h"
#include "hal/max17043.h"
#include "hal/lps25hb.h"
#include "hal/ws2812.h"

#include "interface/wifi_interface.h"
#include "interface/encoder_interface.h"

#include "user_config.h"

static const char* TAG = "main.c";

typedef struct {
    bool wifi_connected;
    bool ideasX_connected;
    bool motion_detector;
} system_config_t;


static system_config_t system_config;

void ICACHE_FLASH_ATTR imu_cb(IMU_Interrupt_et interrupt)
{
    switch(interrupt)
    {
        case IMU_MOTION:
        {
            // the flag is hack because multiple significant motion interrupt are called
            if (system_config.wifi_connected == false && system_config.motion_detector == true)
            {
                system_config.motion_detector = false;
                Encoder_DisableIOInterrupts();
                Encoder_DisableMotion();
                Light_AccessPointSearching();
                WiFi_Connect(WIFI_TIMEOUT);
            }
            break;
        }
        default:
        {
            ESP_LOGE(TAG, "Unknown IMU interrupt")
        }
    }
}

void ICACHE_FLASH_ATTR switch_a_cb(void)
{
    if (system_config.wifi_connected == false)
    {
        system_config.motion_detector = false;
        Encoder_DisableIOInterrupts();
        Encoder_DisableMotion();
        Light_AccessPointSearching();
        WiFi_Connect(WIFI_TIMEOUT);
    }
}

void ICACHE_FLASH_ATTR switch_b_cb(void)
{
    if (system_config.wifi_connected == false)
    {
        system_config.motion_detector = false;
        Encoder_DisableIOInterrupts();
        Encoder_DisableMotion();
        Light_AccessPointSearching();
        WiFi_Connect(WIFI_TIMEOUT);
    }
}

void ICACHE_FLASH_ATTR ideasX_success_cb(void)
{
    Light_BrokerSuccess();
}

void ICACHE_FLASH_ATTR ideasX_fail_cb(void)
{
    Light_BrokerFailure();
}

void ICACHE_FLASH_ATTR wifi_success_cb(void)
{
    system_config.wifi_connected = true;
    Light_AccessPointConnected();
    IdeasX_Connect();
    //IdeasX_Init();
}

void ICACHE_FLASH_ATTR wifi_fail_cb(wifi_failure_et failure_code)
{
    system_config.wifi_connected = false;
    IdeasX_Disconnect();

    switch (failure_code)
    {
        case WIFI_AP_DISCONNECTED:
        {
            ESP_LOGI(TAG, "Wi-Fi connection lost");
            Light_AccessPointFailure();
            break;
        }
        case WIFI_AP_AUTHMODE_CHANGE:
        {
            ESP_LOGI(TAG, "Wi-Fi credential failure or change");
            Light_AccessPointFailure();
            break;
        }
        case WIFI_NO_STORED_APS_FAILURE:
        {
            ESP_LOGI(TAG, "no stored Wi-Fi credentials");
            Light_AccessPointNoCredentials();
            break;
        }
        case WIFI_NO_AVAILABLE_APS_FAILURE:
        {
            ESP_LOGI(TAG, "no Wi-Fi available");
            Light_AccessPointFailure();
            break;
        }
        case WIFI_TIMEOUT_FAILURE:
        {
            ESP_LOGI(TAG, "Wi-Fi timeout");
            Light_AccessPointFailure();
            break;
        }
        case WIFI_SCAN_FAILURE:
        {
            ESP_LOGE(TAG, "Wi-Fi scan failure");
            Light_SystemFailure();
            break;
        }
        default:
        {
            ESP_LOGW(TAG, "unknown Wi-Fi failure code");
            Light_SystemFailure();
        }
    }

    // re-enable motion detectors
    system_config.motion_detector = true;
    Encoder_EnableMotion();
    Encoder_EnableIOInterrupts();
}

 void ICACHE_FLASH_ATTR app_init(void)
{
    system_config.wifi_connected = false;
    Light_AccessPointSearching();
    WiFi_Connect(WIFI_TIMEOUT);
}

void user_init(void)
{
    Encoder_InitUART(BIT_RATE_115200, BIT_RATE_115200, DISABLE_UART1); // this needs to be abstracted

    os_printf("\n\n----------------------------------------------------------\n");
    os_printf("\tIdeasX Encoder - (curiousmuch.org)\n");
    os_printf("----------------------------------------------------------\n\n");

    // Intialize UART and Wi-Fi
    WiFi_Initialize();
    IdeasX_Init();
    Encoder_InitIO();
    Encoder_DisableIOInterrupts();
    //IO_Shutdown();                       // set the shutdown pin for testing purporses

    WiFi_SetCallbacks(wifi_success_cb, wifi_fail_cb);
    IdeasX_SetStatusCallbacks(ideasX_success_cb, ideasX_fail_cb);
    Encoder_SetSwitchCallback(switch_a_cb, switch_b_cb);
    Encoder_DisableDebounceTimer();
    Encoder_SetIMUCallback(imu_cb);

    system_init_done_cb(app_init);
}