#include "security/jwt.h"
#include "user.h"
#include "utils/utils.h"

void delete_user(struct mg_connection *c, struct mg_http_message *hm) {
  if (hm->body.len == 0) {
    mg_http_reply(c, 400, HTTP_HEADERS, "{%m:%m}", MG_ESC("error"),
                  MG_ESC("must have token"));
    return;
  }
  request_with_token *requestdata = check_body(hm);
  if (requestdata->error != NULL) {
    mg_http_reply(c, 403, HTTP_HEADERS, "{%m:%m}", MG_ESC("error"),
                  MG_ESC(requestdata->error));
    return;
  }
  const bool valid = jwt_verifyJWT(requestdata->token, JWT_DEFAULT_SECRET);
  if (!valid) {
    mg_http_reply(c, 403, HTTP_HEADERS, "{%m:%m}", MG_ESC("error"),
                  MG_ESC("invalid token"));
    free_request_with_token(requestdata);
    return;
  }
  cJSON *payload = jwt_get_payload(requestdata->token);
  int id = cJSON_GetObjectItem(payload, "id")->valueint;
  cJSON *useridfromjson = cJSON_GetObjectItem(requestdata->body, "userid");
  cJSON_Print(useridfromjson);
  if (useridfromjson == NULL) {
    bool user_deleted = db_delete_user(id);
    char responsedata[2048] = {0};
    snprintf(responsedata, sizeof(responsedata), "{\"success\": %s}",
             user_deleted ? "true" : "false");

    mg_http_reply(c, 200, HTTP_HEADERS, responsedata);
    free_request_with_token(requestdata);
    cJSON_Delete(payload);
    return;
  }
  bool is_superuser = cJSON_GetObjectItem(payload, "is_superuser")->valueint;
  if (!is_superuser) {
    mg_http_reply(c, 403, HTTP_HEADERS, "{%m:%m}", MG_ESC("error"),
                  MG_ESC("user is not superuser"));
    return;
  }
  bool user_deleted = db_delete_user(useridfromjson->valueint);
  char responsedata[2048] = {0};
  snprintf(responsedata, sizeof(responsedata), "{\"success\": %s}",
           user_deleted ? "true" : "false");

  mg_http_reply(c, 200, HTTP_HEADERS, responsedata);
  free_request_with_token(requestdata);
  cJSON_Delete(payload);
}