/**
 * ModelGrid configuration interfaces.
 */

import type { IModelCatalog, IModelCatalogEntry } from './catalog.ts';
import type { IClusterConfig } from './cluster.ts';
import type { IContainerConfig } from './container.ts';

/**
 * API server configuration
 */
export interface IApiConfig {
  /** Port to listen on (default: 8080) */
  port: number;
  /** Host to bind to (default: '0.0.0.0') */
  host: string;
  /** Valid API keys for authentication */
  apiKeys: string[];
  /** Rate limit in requests per minute (optional) */
  rateLimit?: number;
  /** Enable CORS (default: false) */
  cors?: boolean;
  /** Allowed origins for CORS */
  corsOrigins?: string[];
}

/**
 * Docker/container runtime configuration
 */
export interface IDockerConfig {
  /** Docker network name (default: 'modelgrid') */
  networkName: string;
  /** Container runtime to use */
  runtime: 'docker' | 'podman';
  /** Path to docker/podman socket (optional) */
  socketPath?: string;
}

/**
 * GPU assignment configuration
 */
export interface IGpuAssignmentConfig {
  /** Whether to auto-detect GPUs */
  autoDetect: boolean;
  /** Manual GPU to container assignments (gpuId -> containerId) */
  assignments: Record<string, string>;
}

/**
 * Model management configuration
 */
export interface IModelConfig {
  /** URL to fetch the public catalog */
  registryUrl: string;
  /** Whether to auto-start a deployment when requested */
  autoDeploy: boolean;
  /** Default engine for new deployments */
  defaultEngine: 'vllm';
  /** Models to auto-load on startup */
  autoLoad: string[];
}

/**
 * Browser-based operations console (UI) configuration.
 * The UI is served on its own port, distinct from the OpenAI API port,
 * so that the data plane stays clean.
 */
export interface IUiConfig {
  /** Whether to start the UI server alongside the API */
  enabled: boolean;
  /** Port to bind the UI server to (default: 8081) */
  port: number;
  /** Host to bind the UI server to (default: '0.0.0.0') */
  host: string;
  /**
   * Where UI assets come from.
   *  - 'bundle': from the compiled-in `ts_bundled/bundle.ts` (default, required
   *    for `deno compile` single-binary builds)
   *  - 'disk':   read on demand from `ts_web/` for the dev loop
   * Overridden at runtime by the `UI_ASSET_SOURCE` env var.
   */
  assetSource: 'bundle' | 'disk';
}

/**
 * Main ModelGrid configuration interface
 */
export interface IModelGridConfig {
  /** Configuration format version */
  version: string;
  /** API server configuration */
  api: IApiConfig;
  /** UI server configuration */
  ui: IUiConfig;
  /** Docker configuration */
  docker: IDockerConfig;
  /** GPU configuration */
  gpus: IGpuAssignmentConfig;
  /** Container configurations */
  containers: IContainerConfig[];
  /** Model management configuration */
  models: IModelConfig;
  /** Cluster configuration */
  cluster: IClusterConfig;
  /** Health check interval in milliseconds */
  checkInterval: number;
}

export type IRegistryModel = IModelCatalogEntry;
export type IRegistryCatalog = IModelCatalog;

/**
 * Update status information
 */
export interface IUpdateStatus {
  /** Current installed version */
  currentVersion: string;
  /** Latest available version */
  latestVersion: string;
  /** Whether an update is available */
  updateAvailable: boolean;
}