package convert

// ChatCompletionRequest represents an OpenAI Chat Completions request
type ChatCompletionRequest struct {
	Model              string        `json:"model"`
	Messages           []Message     `json:"messages"`
	Temperature        *float64      `json:"temperature,omitempty"`
	TopP               *float64      `json:"top_p,omitempty"`
	N                  *int          `json:"n,omitempty"`
	Stream             bool          `json:"stream,omitempty"`
	Stop               interface{}   `json:"stop,omitempty"`
	MaxTokens          *int          `json:"max_tokens,omitempty"`
	PresencePenalty     *float64      `json:"presence_penalty,omitempty"`
	FrequencyPenalty   *float64      `json:"frequency_penalty,omitempty"`
	LogitBias          map[string]int `json:"logit_bias,omitempty"`
	User               string        `json:"user,omitempty"`
	Tools              []Tool        `json:"tools,omitempty"`
	ToolChoice         interface{}   `json:"tool_choice,omitempty"`
	ResponseFormat     interface{}   `json:"response_format,omitempty"`
	Seed               *int          `json:"seed,omitempty"`
}

// ChatCompletionResponse represents an OpenAI Chat Completions response
type ChatCompletionResponse struct {
	ID                string   `json:"id"`
	Object            string   `json:"object"`
	Created           int64    `json:"created"`
	Model             string   `json:"model"`
	Choices           []Choice `json:"choices"`
	Usage             *Usage   `json:"usage,omitempty"`
	SystemFingerprint string   `json:"system_fingerprint,omitempty"`
}

type Choice struct {
	Index        int      `json:"index"`
	Message      Message  `json:"message"`
	FinishReason string   `json:"finish_reason"`
}

// ChatCompletionStreamChunk represents a streaming chunk
type ChatCompletionStreamChunk struct {
	ID                string          `json:"id"`
	Object            string          `json:"object"`
	Created           int64           `json:"created"`
	Model             string          `json:"model"`
	Choices           []StreamChoice  `json:"choices"`
	Usage             *Usage          `json:"usage,omitempty"`
	SystemFingerprint string          `json:"system_fingerprint,omitempty"`
}

type StreamChoice struct {
	Index        int           `json:"index"`
	Delta        StreamDelta   `json:"delta"`
	FinishReason *string       `json:"finish_reason"`
}

type StreamDelta struct {
	Role    string     `json:"role,omitempty"`
	Content string     `json:"content,omitempty"`
	ToolCalls []ToolCall `json:"tool_calls,omitempty"`
}