Setting Up

go mod init my-vikat-app
go get vikat.local/core

export OPENAI_API_KEY="your-openai-api-key"

package main

import (
    "context"
    "fmt"
    "os"

    "vikat.local/core"
    "vikat.local/core/schemas"
)

type MyAccount struct{}

// Account interface needs to implement these 3 methods
func (a *MyAccount) GetConfiguredProviders() ([]schemas.ModelProvider, error) {
    return []schemas.ModelProvider{schemas.OpenAI}, nil
}

func (a *MyAccount) GetKeysForProvider(ctx *context.Context, provider schemas.ModelProvider) ([]schemas.Key, error) {
    if provider == schemas.OpenAI {
    return []schemas.Key{{
        Value:  os.Getenv("OPENAI_API_KEY"),
            Models: schemas.WhiteList{"*"}, // Keep Models ["*"] to use any model
            Weight: 1.0,
        }}, nil
    }
    return nil, fmt.Errorf("provider %s not supported", provider)
}

func (a *MyAccount) GetConfigForProvider(provider schemas.ModelProvider) (*schemas.ProviderConfig, error) {
    if provider == schemas.OpenAI {
        // Return default config (can be customized for advanced use cases)
        return &schemas.ProviderConfig{
                NetworkConfig:            schemas.DefaultNetworkConfig,
                ConcurrencyAndBufferSize: schemas.DefaultConcurrencyAndBufferSize,
        }, nil
    }
    return nil, fmt.Errorf("provider %s not supported", provider)
}

// Main function implement to initialize vikat and make a request
func main() {
	client, initErr := vikat.Init(context.Background(), schemas.VikatConfig{
		Account: &MyAccount{},
	})
	if initErr != nil {
		panic(initErr)
	}
	defer client.Shutdown()

	messages := []schemas.ChatMessage{
		{
            Role:    schemas.ChatMessageRoleUser,
            Content: &schemas.ChatMessageContent{
                ContentStr: schemas.Ptr("Hello, Vikat!"),
            },
        },
	}

	response, err := client.ChatCompletionRequest(schemas.NewVikatContext(context.Background(), schemas.NoDeadline), &schemas.VikatChatRequest{
		Provider: schemas.OpenAI,
		Model:    "gpt-4o-mini",
		Input:    messages,
	})

	if err != nil {
		panic(err)
	}

    fmt.Println("Response:", *response.Choices[0].Message.Content.ContentStr)
}

go run main.go
# Output: Response: Hello! I'm Vikat, your AI model gateway...