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/// <reference no-default-lib="true" />/// <reference lib="dom" />/// <reference lib="dom.asynciterable" />/// <reference lib="deno.ns" />/// <reference lib="deno.unstable" />
import { filterFiles } from "https://deno.land/x/glob_filter@1.0.0/mod.ts";import { basename, extname } from "./deps.ts";import { type Manifest, type Route, type RouteProps } from "./types.ts";
export class SitemapContext {  #url: string;  #manifest: Manifest;  #globalIgnore = ["sitemap.xml"];  #routes: Array<Route> = [];
  constructor(url: string, manifest: Manifest) {    this.#url = url;    this.#manifest = manifest;    this.#routes = Object.entries(this.#manifest.routes)      .filter(([path]) => {        // const isRootRoute = "./routes" === dirname(path);        const file = basename(path);        const fileName = file.replace(extname(file), "");        const isDynamic = !!fileName.match(/^\[.+\]$/)?.length;
        if (          isDynamic ||          fileName.startsWith("_") ||          this.#globalIgnore.includes(fileName)        ) {          return false;        }
        return true;      })      .map(([path, route]) => {        return {          pathName: path            .replace(extname(path), "")            .replace("./routes", "")            .replace("index", ""), // We remove index as it's consider a "/" in Fresh        };      });  }
  get routes() {    return this.#routes;  }
  add(route: string, props?: RouteProps) {    if (typeof props === "undefined") {      this.#routes.push({        pathName: route.replace(/(^\/?)|(\/?$)/, "/"),      });      return this;    }
    const { changefreq, priority, lastmod } = props;
    this.#routes.push({      pathName: route.replace(/(^\/?)|(\/?$)/, "/"),      changefreq,      priority,      lastmod,    });
    return this;  }
  set(route: string, props?: RouteProps) {    if (typeof props === "undefined") return this;
    const i = this.#routes.findIndex(      (v) => v.pathName === route.replace(/(^\/?)|(\/?$)/, "/"),    );
    if (i === -1) return this;
    const { changefreq, priority, lastmod } = props;    const currentRoute = this.#routes[i];    this.#routes[i] = {      ...currentRoute,      changefreq: changefreq ?? currentRoute.changefreq,      priority: priority ?? currentRoute.priority,      lastmod: lastmod ?? currentRoute.lastmod,    };    return this;  }
  remove(route: string) {	// glob_filter works best with absolute paths	// so we need to add the url to the route	const matching = filterFiles(this.#routes.map((r) => this.#url + r.pathName), { match: this.#url + route, ignore: this.#globalIgnore })	this.#routes = this.#routes.filter((r) => !matching.map((m) => m.replace(this.#url, "")).includes(r.pathName))
    return this;  }
  generate() {    return `<?xml version="1.0" encoding="UTF-8"?>    <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml">      ${      this.routes        .map((route) => {          return `<url>          <loc>${this.#url}${route.pathName}</loc>          <lastmod>${formatYearMonthDate(route.lastmod??new Date())}</lastmod>          <changefreq>${route.changefreq ?? "daily"}</changefreq>          <priority>${route.priority ?? "0.8"}</priority>        </url>`;        })        .join("\n")    }    </urlset>`;  }
  render() {    return new Response(this.generate(), {      headers: { "Content-Type": "application/xml" },    });  }
  // async save() {  //   const outPath = join(this.#staticDir, "sitemap.xml");
  //   try {  //     const content = this.generate();
  //     await ensureFile(outPath);
  //     return Deno.writeTextFile(outPath, content);  //   } catch (e) {  //     console.warn(e.message);  //     return null;  //   }  // }}
function formatYearMonthDate(date: Date) {  return `${date.getFullYear()}-${("00" + (date.getMonth() + 1)).slice(-2)}-${    ("00" + date.getDate()).slice(-2)  }`;}