import { IPluginBuilder, Plugin } from "./typings.js";
import { readFileAsText, writeTextAsFile } from "./toolchain-helpers.js";

type StartPagePluginOptions = {
  indexTemplatePath: string;
  contentTemplateTag: string;
};
export class StartPagePlugin implements IPluginBuilder {
  options: StartPagePluginOptions;
  constructor(options: StartPagePluginOptions) {
    this.options = options;
  }
  build(): Plugin {
    return (builderContext) => {
      let htmlTemplate = readFileAsText(this.options.indexTemplatePath);
      const links = builderContext.menuManifest
        .map((m) => {
          const name = m.name.slice(m.name.indexOf("-") + 1).replaceAll("-", " ");
          return `<div class="entry"><h2>${name}</h2><a href='${m.link}'>Read here!</a></div>`
        })
        .reverse();
      const html = `
        ${links.join("")}
      `;
      htmlTemplate = htmlTemplate.replace("{{content}}", html);
      console.log("Generating index", this.options.indexTemplatePath);
      writeTextAsFile(
        `${builderContext.outputDirectory}/index.html`,
        htmlTemplate
      );
    };
  }
}