import { ChatMessage, ChatOptions } from '../../../types/chat';
import { Tool } from '../../../types/tool';
export interface OpenRouterProviderConfig {
    apiKey: string;
    model?: string;
    baseUrl?: string;
    httpReferer?: string;
    xTitle?: string;
}
export interface OpenRouterChatRequestBody {
    messages: OpenRouterMessage[];
    model?: string;
    prompt?: string;
    response_format?: {
        type: 'json_object';
    };
    stop?: string | string[];
    stream?: boolean;
    max_tokens?: number;
    temperature?: number;
    top_p?: number;
    top_k?: number;
    frequency_penalty?: number;
    presence_penalty?: number;
    repetition_penalty?: number;
    seed?: number;
    tools?: OpenRouterTool[];
    tool_choice?: OpenRouterToolChoice;
    logit_bias?: {
        [key: number]: number;
    };
    transforms?: string[];
    models?: string[];
    route?: 'fallback';
    provider?: ProviderPreferences;
}
export type OpenRouterMessageContent = string | OpenRouterContentPart[];
export interface OpenRouterMessage {
    role: 'user' | 'assistant' | 'system' | 'tool';
    content: OpenRouterMessageContent;
    name?: string;
    tool_calls?: OpenRouterToolCall[];
}
export interface OpenRouterToolCall {
    id?: string;
    type: 'function';
    function: {
        name: string;
        arguments: string;
    };
}
export type OpenRouterContentPart = {
    type: 'text';
    text: string;
} | {
    type: 'image_url';
    image_url: {
        url: string;
        detail?: string;
    };
};
export interface OpenRouterTool {
    type: 'function';
    function: {
        description?: string;
        name: string;
        parameters: object;
    };
}
export type OpenRouterToolChoice = 'none' | 'auto' | {
    type: 'function';
    function: {
        name: string;
    };
};
export interface OpenRouterDelta {
    role?: string;
    content?: string;
    tool_calls?: OpenRouterToolCall[];
}
export interface OpenRouterChatResponse {
    id: string;
    object: string;
    created: number;
    model: string;
    choices: {
        index: number;
        message?: {
            role: string;
            content: string;
            tool_calls?: OpenRouterToolCall[];
        };
        delta?: OpenRouterDelta;
        finish_reason: string | null;
    }[];
    usage?: {
        prompt_tokens: number;
        completion_tokens: number;
        total_tokens: number;
    };
}
export interface ProviderPreferences {
    require_parameters?: boolean;
}
export type OpenRouterCacheKey = {
    messages: ChatMessage[];
    options: ChatOptions;
    tools?: Tool[];
};