package provider

import (
	"context"

	"git.mlow.ca/mlow/lmcli/pkg/api"
)

type ReplyCallback func(api.Message)

type Chunk struct {
	Content    string
	TokenCount uint
}

type RequestParameters struct {
	Model string

	MaxTokens   int
	Temperature float32
	TopP        float32

	Toolbox []api.ToolSpec
}

type ChatCompletionProvider interface {
	// CreateChatCompletion requests a response to the provided messages.
	// Replies are appended to the given replies struct, and the
	// complete user-facing response is returned as a string.
	CreateChatCompletion(
		ctx context.Context,
		params RequestParameters,
		messages []api.Message,
	) (*api.Message, error)

	// Like CreateChageCompletion, except the response is streamed via
	// the output channel as it's received.
	CreateChatCompletionStream(
		ctx context.Context,
		params RequestParameters,
		messages []api.Message,
		chunks chan<- Chunk,
	) (*api.Message, error)
}