(Objective-C) AI: Simple Conversation

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Note: This example requires Chilkat v11.2.0 or greater.

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#import <CkoAi.h>
#import <NSString.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.h>

BOOL success = NO;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoAi *ai = [[CkoAi alloc] init];

// The provider can be "openai", "google", "claude", "deepseek", "xai", or "perplexity".
// Support for additional providers will be added in future versions of Chilkat.
ai.Provider = @"claude";

// Use your provider's API key.
ai.ApiKey = @"MY_API_KEY";

// Choose a model.
ai.Model = @"claude-opus-4-1-20250805";

// Create a new conversation to be maintained locally in memory.
// If the conversation is the first to be created, it is also automatically selected.
NSString *systemMsg = @"You are a helpful assistant";
NSString *developerMsg = @"Respond only with markdown";
NSString *conversationName = @"test_conversation";
[ai NewConvo: conversationName sysMsg: systemMsg devMsg: developerMsg];

// -------------------------------------------------------------------------------------------
// Make the first request...
// Add a text input.
[ai InputAddText: @"Say Hello"];

// Ask the AI for text output.
success = [ai Ask: @"text"];
if (success == NO) {
    NSLog(@"%@",ai.LastErrorText);
    return;
}

// Get the text response.
CkoStringBuilder *sbResponse = [[CkoStringBuilder alloc] init];
[ai GetOutputTextSb: sbResponse];
NSLog(@"%@",[sbResponse GetAsString]);
NSLog(@"%@",@"----");

// -------------------------------------------------------------
// The response is in markdown format.
// Also see Markdown to HTML Conversion Examples.
// -------------------------------------------------------------

// Sample output:

// # Hello! 👋
// ## Welcome!
// It's **great** to meet you. How can I *assist* you today?
// ---
// Feel free to ask me anything, and I'll respond in `markdown` format.

// -------------------------------------------------------------------------------------------
// Send the 2nd request in the conversation.
[ai InputAddText: @"Thanks for saying Hello. Please give me a 2 sentence bit of wisdom from Confucious."];
success = [ai Ask: @"text"];
if (success == NO) {
    NSLog(@"%@",ai.LastErrorText);
    return;
}

// Get the text response.
[sbResponse Clear];
[ai GetOutputTextSb: sbResponse];
NSLog(@"%@",[sbResponse GetAsString]);

// Sample output:

// ## Wisdom from Confucius
// > *"The man who moves a mountain begins by carrying away small stones. It does not matter how slowly you go as long as you do not stop."*
// These words remind us that **persistence** and **patience** are the keys to achieving even the most daunting goals. 🏔️

// -------------------------------------------------------------------------------------------
// Look at the conversation so far...
// 
CkoJsonObject *json = [[CkoJsonObject alloc] init];
[ai ExportConvo: conversationName json: json];
json.EmitCompact = NO;
NSLog(@"%@",[json Emit]);

// Note: The conversation transcript format exported and imported by Chilkat is always the OpenAI format,
// regardless of the AI provider.  (Chilkat translates the format from OpenAI to whatever is needed by the actual AI provider being used.)

// {
//   "input": [
//     {
//       "role": "system",
//       "content": [
//         {
//           "type": "input_text",
//           "text": "You are a helpful assistant"
//         }
//       ]
//     },
//     {
//       "role": "developer",
//       "content": [
//         {
//           "type": "input_text",
//           "text": "Respond only with markdown"
//         }
//       ]
//     },
//     {
//       "role": "user",
//       "content": [
//         {
//           "type": "input_text",
//           "text": "Say Hello"
//         }
//       ]
//     },
//     {
//       "role": "assistant",
//       "content": [
//         {
//           "type": "output_text",
//           "text": "# Hello! 👋\n\n**Welcome!** It's *great* to meet you.\n\nHow can I assist you today?"
//         }
//       ]
//     },
//     {
//       "role": "user",
//       "content": [
//         {
//           "type": "input_text",
//           "text": "Thanks for saying Hello. Please give me a 2 sentence bit of wisdom from Confucious."
//         }
//       ]
//     },
//     {
//       "role": "assistant",
//       "content": [
//         {
//           "type": "output_text",
//           "text": "## Wisdom from Confucius\n\n> *\"The man who moves a mountain begins by carrying away small stones. It does not matter how slowly you go as long as you do not stop.\"*\n\nThese words remind us that **persistence** and **patience** are the keys to achieving even the most daunting goals. 🏔️"
//         }
//       ]
//     }
//   ]
// }