import type { Plugin } from "vite";

// Use a more flexible Plugin type that accommodates different Vite versions
// by making hotUpdate optional with any signature
type VitePlugin = Plugin & {
  hotUpdate?: any;
};

type WebAccessibleDefinition =
  | {
      matches: string[];
      extensionIds?: string[];
      excludeEntryFile?: boolean;
    }
  | {
      matches?: string[];
      extensionIds: string[];
      excludeEntryFile?: boolean;
    };

type AdditionalInput =
  | string
  | {
      fileName: string;
      webAccessible: boolean | WebAccessibleDefinition;
    };

type NormalizedAdditionalInput = {
  fileName: string;
  webAccessible: WebAccessibleDefinition | null;
};

export interface ViteWebExtensionOptions {
  /**
   * The manifest file to use as a base for the generated extension
   */
  manifest: chrome.runtime.Manifest;

  /**
   * Sets the use_dynamic_url property on web accessible resources generated by the plugin
   * Default: true
   */
  useDynamicUrlWebAccessibleResources?: boolean;

  /**
   * On build, in Manifest V3, merge web accessible resource definitions that have matching non-`resource` properties and dedupe and sort `resources`. In Manifest V2, sort web accessible resources.
   * Default: true
   */
  optimizeWebAccessibleResources?: boolean;

  /**
   * Additional input files that should be processed and treated as web extension inputs.
   * Useful for dynamically injected scripts and dynamically opened HTML pages.
   * The webAccessible option configures whether the entry file and its dependencies are included in the manifest `web_accessible_resources` property. Defaults to true.
   *  When set to `true`, defaults to:
        ```ts
          {
            matches: ['<all_urls>'],
            excludeEntryFile: false,
          }
        ```
   *  The `excludeEntryFile` option prevents the entry file from being added as a web accessible resource. Defaults to false.
   */
  additionalInputs?: {
    scripts?: AdditionalInput[];
    html?: AdditionalInput[];
    styles?: AdditionalInput[];
  };
}

/**
 * Build cross platform, module-based web extensions using vite
 */
export default function webExtension(
  options?: ViteWebExtensionOptions
): VitePlugin;