/**
 * Public types shared across the Web Component and React wrapper.
 * Keep this file framework-agnostic — no React, no DOM-specific types beyond
 * lib.dom globals.
 */
type AuthToken = {
    sig: string;
    ts: number;
};
/**
 * Context handed to the auth provider each time a token is needed. The
 * signature verifier on the server side compares HMAC-SHA256(secret,
 * `${sessionId}:${ts}`) so the provider must know the current sessionId to
 * produce a valid signature — your backend returns { sig, ts }.
 */
type AuthProviderContext = {
    sessionId: string;
};
type AuthProvider = (ctx: AuthProviderContext) => Promise<AuthToken> | AuthToken;
interface ChatConfig {
    chatId: string;
    title: string;
    subtitle: string;
    placeholder: string;
    initialMessages: Array<{
        role: 'assistant';
        content: string;
    }>;
    theme: {
        primaryColor?: string;
        avatarUrl?: string;
        mode?: 'dark' | 'light' | 'auto';
    };
    authMode: 'public' | 'signed';
    sessionIdStrategy: 'auto' | 'header' | 'query';
    attachments?: {
        enabled: boolean;
        maxFileSize: number;
        maxPerMessage: number;
        allowedMimeTypes: string[];
    };
    /**
     * When non-empty, the widget renders a mic button and starts a live
     * voice call against this provider-side agent id. Configured on the
     * Chat Trigger detail page in the dashboard so consumers don't need
     * to set the attribute on every embed. The voice-agent-id attribute
     * still wins when set, so per-page overrides keep working.
     */
    voiceAgentId?: string;
    voiceProvider?: 'elevenlabs' | 'vapi' | 'retell' | '';
}
interface HwChatOptions {
    /** Public chat id from the trigger — required */
    chatId: string;
    /**
     * Base URL of the HostWebhook API. Defaults to https://api.hostwebhook.com.
     * Override for self-hosted / staging.
     */
    apiBase?: string;
    /**
     * When the trigger is in `signed` mode, pass a function that returns a
     * fresh HMAC signature. The widget calls it lazily and caches the result
     * until ~1 minute before the 5-minute window expires.
     */
    authProvider?: AuthProvider;
    /**
     * Alternative to authProvider: a URL the widget POSTs to for a fresh
     * signature. The endpoint is expected to return `{ sig, ts }`. Use this
     * when you don't control the page's JS (static HTML / CMS).
     */
    authEndpoint?: string;
    /**
     * Dark / light / auto (follows system). Overrides the server's theme
     * config when set.
     */
    theme?: 'dark' | 'light' | 'auto';
    /**
     * Optional primary/accent color override (hex). Overrides trigger theme.
     */
    primaryColor?: string;
    /**
     * Voice agent id (provider-side). When set, a mic button appears in
     * the header and clicking it starts a live voice call against this
     * agent — the call runs over the provider's WebSocket directly from
     * the visitor's browser, HostWebhook only handles the agent's tool
     * webhooks (the existing voiceCall trigger flow).
     */
    voiceAgentId?: string;
    /**
     * Voice agent platform. Defaults to 'elevenlabs'. Vapi + Retell
     * drivers will ship in a follow-up release.
     */
    voiceProvider?: 'elevenlabs' | 'vapi' | 'retell';
    /**
     * Override the CDN URL the widget loads the provider SDK from. Useful
     * for self-hosting under a strict CSP that disallows esm.sh.
     */
    voiceSdkUrl?: string;
}

export type { AuthProvider as A, ChatConfig as C, HwChatOptions as H, AuthToken as a };