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// Written by retoor@molodetz.nl
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// This code interacts with OpenAI's API to perform various tasks such as
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// fetching models, sending chat messages, and processing responses.
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// Uncommon imports include "http.h", "chat.h", and "http_curl.h". These may be
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// internal or external libraries providing HTTP and JSON communication
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// capabilities required to interact with APIs.
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// MIT License
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//
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// Copyright (c) 2023
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#ifndef R_OPENAI_H
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#define R_OPENAI_H
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#include "chat.h"
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#include "http_curl.h"
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#include "r.h"
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#include <stdbool.h>
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#include <string.h>
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char *openai_fetch_models() { return curl_get(get_models_api_url()); }
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bool openai_system(char *message_content) {
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chat_json("system", message_content);
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return true;
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}
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struct json_object *openai_process_chat_message(const char *api_url,
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const char *json_data) {
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char *response = curl_post(api_url, json_data);
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if (!response) {
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fprintf(stderr, "Failed to get response.\n");
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return NULL;
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}
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struct json_object *parsed_json = json_tokener_parse(response);
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if (!parsed_json) {
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fprintf(stderr, "Failed to parse JSON.\nContent: \"%s\"\n", response);
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return NULL;
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}
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struct json_object *error_object;
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if (json_object_object_get_ex(parsed_json, "error", &error_object) &&
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message_array) {
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char *all_messages = (char *)json_object_to_json_string(message_array);
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fprintf(stderr, "Messages: ");
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fwrite(all_messages, strlen(all_messages), 1, stderr);
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fprintf(stderr, "\n");
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free(all_messages);
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fprintf(stderr, "%s\n", json_object_to_json_string(parsed_json));
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json_object_put(parsed_json);
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messages_remove_last();
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messages_remove_last();
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return NULL;
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}
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struct json_object *choices_array;
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if (!json_object_object_get_ex(parsed_json, "choices", &choices_array)) {
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fprintf(stderr, "Failed to get 'choices' array.\n%s\n", response);
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fprintf(stderr, "%s\n", json_object_to_json_string(parsed_json));
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json_object_put(parsed_json);
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return NULL;
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}
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struct json_object *first_choice =
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json_object_array_get_idx(choices_array, 0);
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if (!first_choice) {
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fprintf(stderr, "Failed to get the first element of 'choices'.\n");
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json_object_put(parsed_json);
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return NULL;
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}
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struct json_object *message_object;
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if (!json_object_object_get_ex(first_choice, "message", &message_object)) {
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fprintf(stderr, "Failed to get 'message' object.\n");
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json_object_put(parsed_json);
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return NULL;
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}
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return message_object;
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}
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char *openai_chat(const char *user_role, const char *message_content) {
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if (message_content == NULL || *message_content == '\0' ||
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*message_content == '\n') {
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return NULL;
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}
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char *json_data = chat_json(user_role, message_content);
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struct json_object *message_object =
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openai_process_chat_message(get_completions_api_url(), json_data);
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if (message_object == NULL) {
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return NULL;
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}
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message_add_object(message_object);
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struct json_object *tool_calls;
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json_object_object_get_ex(message_object, "tool_calls", &tool_calls);
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if (tool_calls) {
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// message_add_tool_call(message_object);
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struct json_object *tool_call_results = tools_execute(tool_calls);
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int results_count = json_object_array_length(tool_call_results);
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for (int i = 0; i < results_count; i++) {
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struct json_object *tool_call_result =
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json_object_array_get_idx(tool_call_results, i);
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message_add_tool_call(tool_call_result);
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}
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char *tool_calls_result_str = chat_json(NULL, NULL);
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message_object =
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openai_process_chat_message(get_completions_api_url(), tool_calls_result_str);
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if (message_object == NULL) {
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return NULL;
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}
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message_add_object(message_object);
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// message_add_tool_call(message_object);
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}
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const char *content_str =
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json_object_get_string(json_object_object_get(message_object, "content"));
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return strdup(content_str);
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}
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#endif
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