#include "display.h"
#include "sensors.h"
#include <esp_log.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>

//#include <esp_wifi.h>
//#include "freertos/event_groups.h"
//#include "nvs_flash.h"
//#include <esp_http_server.h>
//#include <sys/param.h>

//#define WIFI_SSID     "Netzknecht"
//#define WIFI_PASS     "***REMOVED***"
//#define WIFI_RETRIES  10
//
//static EventGroupHandle_t s_wifi_event_group;
//#define WIFI_CONNECTED_BIT BIT0
//#define WIFI_FAIL_BIT      BIT1
//
//static const char *TAG = "wifi station";
//static int s_retry_num = 0;
//
//char cur_value_str[255];
//
///* An HTTP GET handler */
//static esp_err_t hello_get_handler(httpd_req_t *req)
//{
//    char*  buf;
//    size_t buf_len;
//
//    /* Get header value string length and allocate memory for length + 1,
//     * extra byte for null termination */
//    buf_len = httpd_req_get_hdr_value_len(req, "Host") + 1;
//    if (buf_len > 1) {
//        buf = malloc(buf_len);
//        /* Copy null terminated value string into buffer */
//        if (httpd_req_get_hdr_value_str(req, "Host", buf, buf_len) == ESP_OK) {
//            ESP_LOGI(TAG, "Found header => Host: %s", buf);
//        }
//        free(buf);
//    }
//
//    buf_len = httpd_req_get_hdr_value_len(req, "Test-Header-2") + 1;
//    if (buf_len > 1) {
//        buf = malloc(buf_len);
//        if (httpd_req_get_hdr_value_str(req, "Test-Header-2", buf, buf_len) == ESP_OK) {
//            ESP_LOGI(TAG, "Found header => Test-Header-2: %s", buf);
//        }
//        free(buf);
//    }
//
//    buf_len = httpd_req_get_hdr_value_len(req, "Test-Header-1") + 1;
//    if (buf_len > 1) {
//        buf = malloc(buf_len);
//        if (httpd_req_get_hdr_value_str(req, "Test-Header-1", buf, buf_len) == ESP_OK) {
//            ESP_LOGI(TAG, "Found header => Test-Header-1: %s", buf);
//        }
//        free(buf);
//    }
//
//    /* Read URL query string length and allocate memory for length + 1,
//     * extra byte for null termination */
//    buf_len = httpd_req_get_url_query_len(req) + 1;
//    if (buf_len > 1) {
//        buf = malloc(buf_len);
//        if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK) {
//            ESP_LOGI(TAG, "Found URL query => %s", buf);
//            char param[32];
//            /* Get value of expected key from query string */
//            if (httpd_query_key_value(buf, "query1", param, sizeof(param)) == ESP_OK) {
//                ESP_LOGI(TAG, "Found URL query parameter => query1=%s", param);
//            }
//            if (httpd_query_key_value(buf, "query3", param, sizeof(param)) == ESP_OK) {
//                ESP_LOGI(TAG, "Found URL query parameter => query3=%s", param);
//            }
//            if (httpd_query_key_value(buf, "query2", param, sizeof(param)) == ESP_OK) {
//                ESP_LOGI(TAG, "Found URL query parameter => query2=%s", param);
//            }
//        }
//        free(buf);
//    }
//
//    /* Set some custom headers */
//    httpd_resp_set_hdr(req, "Custom-Header-1", "Custom-Value-1");
//    httpd_resp_set_hdr(req, "Custom-Header-2", "Custom-Value-2");
//
//    /* Send response with custom headers and body set as the
//     * string passed in user context*/
//    const char* resp_str = cur_value_str;
//    httpd_resp_send(req, resp_str, strlen(resp_str));
//
//    /* After sending the HTTP response the old HTTP request
//     * headers are lost. Check if HTTP request headers can be read now. */
//    if (httpd_req_get_hdr_value_len(req, "Host") == 0) {
//        ESP_LOGI(TAG, "Request headers lost");
//    }
//    return ESP_OK;
//}
//
//static httpd_uri_t hello = {
//    .uri       = "/hello",
//    .method    = HTTP_GET,
//    .handler   = hello_get_handler,
//    /* Let's pass response string in user
//     * context to demonstrate it's usage */
//    .user_ctx  = "Hello World!"
//};
//
//static httpd_handle_t start_webserver(void)
//{
//    httpd_handle_t server = NULL;
//    httpd_config_t config = HTTPD_DEFAULT_CONFIG();
//
//    // Start the httpd server
//    ESP_LOGI(TAG, "Starting server on port: '%d'", config.server_port);
//    if (httpd_start(&server, &config) == ESP_OK) {
//        // Set URI handlers
//        ESP_LOGI(TAG, "Registering URI handlers");
//        httpd_register_uri_handler(server, &hello);
//        return server;
//    }
//
//    ESP_LOGI(TAG, "Error starting server!");
//    return NULL;
//}
//
//static void stop_webserver(httpd_handle_t server)
//{
//    // Stop the httpd server
//    httpd_stop(server);
//}
//
//static void disconnect_handler(void* arg, esp_event_base_t event_base,
//                               int32_t event_id, void* event_data)
//{
//    httpd_handle_t* server = (httpd_handle_t*) arg;
//    if (*server) {
//        ESP_LOGI(TAG, "Stopping webserver");
//        stop_webserver(*server);
//        *server = NULL;
//    }
//}
//
//static void connect_handler(void* arg, esp_event_base_t event_base,
//                            int32_t event_id, void* event_data)
//{
//    httpd_handle_t* server = (httpd_handle_t*) arg;
//    if (*server == NULL) {
//        ESP_LOGI(TAG, "Starting webserver");
//        *server = start_webserver();
//    }
//}
//
//static void event_handler(void* arg, esp_event_base_t event_base,
//                                int32_t event_id, void* event_data)
//{
//    if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
//        esp_wifi_connect();
//    } else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
//        if (s_retry_num < WIFI_RETRIES) {
//            esp_wifi_connect();
//            s_retry_num++;
//            ESP_LOGI(TAG, "retry to connect to the AP");
//        } else {
//            xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
//        }
//        ESP_LOGI(TAG,"connect to the AP fail");
//    } else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
//        ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
//        ESP_LOGI(TAG, "got ip:%s",
//                 ip4addr_ntoa(&event->ip_info.ip));
//        s_retry_num = 0;
//        xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
//    }
//}

//void wifi_init_sta()
//{
//    s_wifi_event_group = xEventGroupCreate();
//
//    tcpip_adapter_init();
//
//    ESP_ERROR_CHECK(esp_event_loop_create_default());
//
//    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
//    ESP_ERROR_CHECK(esp_wifi_init(&cfg));
//
//    //tcpip_adapter_dhcpc_stop(TCPIP_ADAPTER_IF_STA);
//    //tcpip_adapter_ip_info_t info;
//    //ip4_addr_t gw;
//    //gw.addr = ipaddr_addr("192.168.0.1");
//    //info.gw = gw;
//    //ip4_addr_t ip;
//    //ip.addr = ipaddr_addr("192.168.0.110");
//    //info.ip = ip;
//    //ip4_addr_t netmask;
//    //netmask.addr = ipaddr_addr("255.255.255.0");
//    //info.netmask = netmask;
//    //tcpip_adapter_sta_start(0, &info);
//
//    ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL));
//    ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL));
//
//    wifi_config_t wifi_config = {
//        .sta = {
//            .ssid = WIFI_SSID,
//            .password = WIFI_PASS
//        },
//    };
//    ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA) );
//    ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
//    ESP_ERROR_CHECK(esp_wifi_start() );
//
//    ESP_LOGI(TAG, "wifi_init_sta finished.");
//
//    /* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
//     * number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
//    EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
//            WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
//            pdFALSE,
//            pdFALSE,
//            portMAX_DELAY);
//
//    //tcpip_adapter_set_ip_info(TCPIP_ADAPTER_IF_STA, &info);
//    /* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
//     * happened. */
//    if (bits & WIFI_CONNECTED_BIT) {
//        ESP_LOGI(TAG, "connected to ap SSID:%s password:%s",
//        		WIFI_SSID, WIFI_PASS);
//    } else if (bits & WIFI_FAIL_BIT) {
//        ESP_LOGI(TAG, "Failed to connect to SSID:%s, password:%s",
//        		WIFI_SSID, WIFI_PASS);
//    } else {
//        ESP_LOGE(TAG, "UNEXPECTED EVENT");
//    }
//
//    ESP_ERROR_CHECK(esp_event_handler_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler));
//    ESP_ERROR_CHECK(esp_event_handler_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler));
//    vEventGroupDelete(s_wifi_event_group);
//}

void app_main(void)
{
	int32_t temp = -12;
	uint32_t pressure = 0;
	uint32_t humidity = 0;
	int32_t temp2 = 0;
	uint32_t pressure2 = 0;
	uint32_t humidity2 = 0;

	// INIT WIFI
	//Initialize NVS
//	esp_err_t ret = nvs_flash_init();
//	if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
//	  ESP_ERROR_CHECK(nvs_flash_erase());
//	  ret = nvs_flash_init();
//	}
//	ESP_ERROR_CHECK(ret);
//
//	ESP_LOGI(TAG, "ESP_WIFI_MODE_STA");
//	wifi_init_sta();

	// INIT WEBSERVER
//	static httpd_handle_t server = NULL;
//	ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &connect_handler, &server));
//	ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED, &disconnect_handler, &server));
//	server = start_webserver();
	init_sensors();
	init_display();
	read_sensor(&temp, &pressure, &humidity);
	read_sensor2(&temp2, &pressure2, &humidity2);
	display_data(temp, pressure, humidity, temp2, pressure2, humidity2);
	while (1) {
		read_sensor(&temp, &pressure, &humidity);
		read_sensor2(&temp2, &pressure2, &humidity2);
		display_data(temp, pressure, humidity, temp2, pressure2, humidity2);
		vTaskDelay(1000 / portTICK_PERIOD_MS);
	}
}