/*
Copyright (c) 2017-2021 Sebastien L
*/

#ifndef HTTP_SERVER_H_INCLUDED
#define HTTP_SERVER_H_INCLUDED
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include "esp_http_server.h"
#include "network_manager.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_wifi.h"
#include <esp_event.h>
#include "nvs_flash.h"
#include "esp_log.h"
#include "driver/gpio.h"
#include "mdns.h"
#include "lwip/api.h"
#include "lwip/err.h"
#include "lwip/netdb.h"
#include "lwip/opt.h"
#include "lwip/memp.h"
#include "lwip/ip.h"
#include "lwip/raw.h"
#include "lwip/udp.h"
#include "lwip/priv/api_msg.h"
#include "lwip/priv/tcp_priv.h"
#include "lwip/priv/tcpip_priv.h"
#include "esp_vfs.h"
#include "esp_console.h"

#ifdef __cplusplus
extern "C" {
#endif

#define ESP_LOGE_LOC(t,str, ...)  ESP_LOGE(t, "%s(%d): " str, __FUNCTION__, __LINE__, ##__VA_ARGS__)
#define ESP_LOGI_LOC(t,str, ...)  ESP_LOGI(t, "%s(%d): " str, __FUNCTION__, __LINE__, ##__VA_ARGS__)
#define ESP_LOGD_LOC(t,str, ...)  ESP_LOGD(t, "%s(%d): " str, __FUNCTION__, __LINE__, ##__VA_ARGS__)
#define ESP_LOGW_LOC(t,str, ...)  ESP_LOGW(t, "%s(%d): " str, __FUNCTION__, __LINE__, ##__VA_ARGS__)
#define ESP_LOGV_LOC(t,str, ...)  ESP_LOGV(t, "%s(%d): " str, __FUNCTION__, __LINE__, ##__VA_ARGS__)


esp_err_t root_get_handler(httpd_req_t *req);
esp_err_t resource_filehandler(httpd_req_t *req);

esp_err_t ap_get_handler(httpd_req_t *req);
esp_err_t config_get_handler(httpd_req_t *req);
esp_err_t config_post_handler(httpd_req_t *req);
esp_err_t connect_post_handler(httpd_req_t *req);
esp_err_t connect_delete_handler(httpd_req_t *req);
esp_err_t reboot_ota_post_handler(httpd_req_t *req);
esp_err_t reboot_post_handler(httpd_req_t *req);
esp_err_t recovery_post_handler(httpd_req_t *req);
esp_err_t flash_post_handler(httpd_req_t *req);
esp_err_t status_get_handler(httpd_req_t *req);
esp_err_t messages_get_handler(httpd_req_t *req);
esp_err_t console_cmd_get_handler(httpd_req_t *req);
esp_err_t console_cmd_post_handler(httpd_req_t *req);
esp_err_t ap_scan_handler(httpd_req_t *req);
esp_err_t redirect_ev_handler(httpd_req_t *req);
esp_err_t redirect_200_ev_handler(httpd_req_t *req);


esp_err_t err_handler(httpd_req_t *req, httpd_err_code_t error);
#define SCRATCH_BUFSIZE (10240)
#define FILE_PATH_MAX (ESP_VFS_PATH_MAX + 128)

typedef struct rest_server_context {
    char base_path[ESP_VFS_PATH_MAX + 1];
    char scratch[SCRATCH_BUFSIZE];
} rest_server_context_t;
/**
 * @brief RTOS task for the HTTP server. Do not start manually.
 * @see void http_server_start()
 */
void http_server(void *pvParameters);

/* @brief helper function that processes one HTTP request at a time */
void http_server_netconn_serve(struct netconn *conn);

/* @brief create the task for the http server */
esp_err_t http_server_start();

/**
 * @brief gets a char* pointer to the first occurence of header_name withing the complete http request request.
 *
 * For optimization purposes, no local copy is made. memcpy can then be used in coordination with len to extract the
 * data.
 *
 * @param request the full HTTP raw request.
 * @param header_name the header that is being searched.
 * @param len the size of the header value if found.
 * @return pointer to the beginning of the header value.
 */
char* http_server_get_header(char *request, char *header_name, int *len);

void strreplace(char *src, char *str, char *rep);
/* @brief lock the json config object */
bool http_server_lock_json_object(TickType_t xTicksToWait);
/* @brief unlock the json config object */
void http_server_unlock_json_object();
httpd_handle_t http_get_server(int *port);
#define PROTECTED_JSON_CALL(a)  if(http_server_lock_json_object( portMAX_DELAY )){ \ a; http_server_unlocklock_json_object(); }  else{  ESP_LOGE(TAG, "could not get access to json mutex in wifi_scan"); }



#ifdef __cplusplus
}
#endif

#endif