#include "user.h"

void register_user(struct mg_connection *c, struct mg_http_message *hm) {
  if (hm->body.len == 0) {
    mg_http_reply(c, 400, "", "{%m:%m}", MG_ESC("error"),
                  MG_ESC("must have <username>, <password>, <email>, <group, "
                         "optional>, <is_superuser, optional>"));
    return;
  }
  cJSON *jsonbody = cJSON_Parse(hm->body.buf);
  cJSON *username = cJSON_GetObjectItem(jsonbody, "username");
  cJSON *password = cJSON_GetObjectItem(jsonbody, "password");
  cJSON *email = cJSON_GetObjectItem(jsonbody, "email");
  cJSON *group = cJSON_GetObjectItem(jsonbody, "group");
  cJSON *is_superuser = cJSON_GetObjectItem(jsonbody, "is_superuser");
  if (username == nullptr || password == nullptr || email == nullptr) {
    mg_http_reply(c, 400, "", "{%m:%m}", MG_ESC("error"),
                  MG_ESC("must have <username>, <password>, <email>, <group, "
                         "optional>, <is_superuser, optional>"));
    return;
  }
  if (group == nullptr) {
    group = cJSON_CreateString("users");
  }
  if (is_superuser == nullptr) {
    is_superuser = cJSON_CreateBool(false);
  }
  const User *new_user_data =
      new_user(0, username->valuestring, password->valuestring, email->valuestring,
               group->valuestring, is_superuser->valueint);
  if (new_user_data == nullptr) {
    mg_http_reply(c, 500, "", "{%m:%m}", MG_ESC("error"),
                  MG_ESC("failed to create user"));
    return;
  }
  char responsedata[2048] = {0};
  snprintf(responsedata, sizeof(responsedata),
           "{\"id\": %d, \"username\": \"%s\", \"email\": \"%s\", \"group\": "
           "\"%s\", \"is_superuser\": %d}",
           new_user_data->id, new_user_data->username, new_user_data->email,
           new_user_data->group, new_user_data->is_superuser);

  mg_http_reply(c, 200, "Content-Type: application/json\r\n", responsedata);
}