plugins/_plugin_scan/webui/plugin-scan-store.js

import { marked } from "/vendor/marked/marked.esm.js";
import { createStore } from "/js/AlpineStore.js";
import * as api from "/js/api.js";
import { openModal } from "/js/modals.js";
import { toastFrontendError } from "/components/notifications/notification-store.js";

const BASE = "/plugins/_plugin_scan/webui";

/** @type {{ ratings: Record<string, {icon:string,label:string}>, checks: Record<string, {label:string,detail:string,criteria:Record<string,string>}> } | null} */
let _config = null;
/** @type {string|null} */
let _templateCache = null;

async function fetchText(url, label) {
  const response = await fetch(url);
  if (!response.ok) {
    const body = await response.text().catch(() => "");
    throw new Error(`Failed to load ${label}: ${response.status} ${response.statusText}${body ? ` - ${body}` : ""}`);
  }
  return response.text();
}

async function fetchJson(url, label) {
  const response = await fetch(url);
  if (!response.ok) {
    const body = await response.text().catch(() => "");
    throw new Error(`Failed to load ${label}: ${response.status} ${response.statusText}${body ? ` - ${body}` : ""}`);
  }
  return response.json();
}

async function loadConfig() {
  if (_config) return _config;
  try {
    _config = await fetchJson(`${BASE}/plugin-scan-checks.json`, "scan checks");
    return _config;
  } catch (error) {
    _config = null;
    throw error;
  }
}

async function loadTemplate() {
  if (_templateCache) return _templateCache;
  try {
    _templateCache = await fetchText(`${BASE}/plugin-scan-prompt.md`, "scan prompt template");
    return _templateCache;
  } catch (error) {
    _templateCache = null;
    throw error;
  }
}

function formatCriteria(ratings, criteria) {
  return Object.entries(criteria)
    .map(([level, desc]) => `- ${ratings[level].icon} ${desc}`)
    .join("\n");
}

function formatStatusLegend(ratings) {
  return Object.entries(ratings)
    .map(([, r]) => `- ${r.icon} **${r.label}**`)
    .join("\n");
}

function formatRatingIcons(ratings) {
  return Object.values(ratings).map((r) => r.icon).join("/");
}
let _pollGen = 0;
const POLL_INTERVAL = 2000;
const MAX_POLL_MS = 10 * 60 * 1000;
const SCAN_TITLE = "Plugin Scanner";

function formatErrorMessage(error) {
  return error instanceof Error ? error.message : String(error);
}

export const store = createStore("pluginScan", {
  gitUrl: "",
  checks: {},
  checksMeta: {},
  prompt: "",
  output: "",
  scanning: false,
  scanCtxId: "",

  get renderedOutput() {
    return this.output ? marked.parse(this.output, { breaks: true }) : "";
  },

  async init() {
    const cfg = await loadConfig();
    if (!cfg) return;
    this.checksMeta = cfg.checks;
    const initial = {};
    for (const key of Object.keys(cfg.checks)) initial[key] = true;
    this.checks = initial;
  },

  async onOpen(url) {
    this.output = "";
    this.scanning = false;
    if (url) this.gitUrl = url;
    const cfg = await loadConfig();
    if (cfg && Object.keys(this.checks).length === 0) {
      this.checksMeta = cfg.checks;
      const initial = {};
      for (const key of Object.keys(cfg.checks)) initial[key] = true;
      this.checks = initial;
    }
    this.buildPrompt();
  },

  cleanup() {
    _pollGen++;
  },

  async openModal(url) {
    this.gitUrl = url || "";
    await openModal("/plugins/_plugin_scan/webui/plugin-scan.html");
  },

  async buildPrompt() {
    try {
      const [cfg, template] = await Promise.all([loadConfig(), loadTemplate()]);
      if (!cfg) return;
      const { ratings, checks } = cfg;

      let text = template;
      text = text.replace(/\{\{GIT_URL\}\}/g, this.gitUrl || "<paste git URL here>");

      const selected = Object.entries(this.checks)
        .filter(([, v]) => v)
        .map(([k]) => checks[k])
        .filter(Boolean);

      text = text.replace(
        /\{\{SELECTED_CHECKS\}\}/g,
        selected.length ? selected.map((c) => `- ${c.label}`).join("\n") : "- (no checks selected)",
      );
      text = text.replace(
        /\{\{CHECK_DETAILS\}\}/g,
        selected.length
          ? selected.map((c) => `**${c.label}**: ${c.detail}\n${formatCriteria(ratings, c.criteria)}`).join("\n\n")
          : "(no checks selected)",
      );
      text = text.replace(/\{\{STATUS_LEGEND\}\}/g, formatStatusLegend(ratings));
      text = text.replace(/\{\{RATING_ICONS\}\}/g, formatRatingIcons(ratings));
      text = text.replace(/\{\{RATING_PASS\}\}/g, ratings.pass.icon);
      text = text.replace(/\{\{RATING_WARNING\}\}/g, ratings.warning.icon);
      text = text.replace(/\{\{RATING_FAIL\}\}/g, ratings.fail.icon);

      this.prompt = text;
    } catch (/** @type {any} */ e) {
      console.error("Failed to build prompt:", e);
      void toastFrontendError(`Failed to build prompt: ${formatErrorMessage(e)}`, SCAN_TITLE);
    }
  },

  async copyPrompt() {
    try {
      await navigator.clipboard.writeText(this.prompt);
    } catch {
      void toastFrontendError("Failed to copy the scan prompt", SCAN_TITLE);
    }
  },

  /** Create a fresh context, log the prompt into it, and start the scan immediately. */
  async runScan() {
    if (!this.gitUrl.trim()) {
      void toastFrontendError("Please enter a Git URL", SCAN_TITLE);
      return;
    }

    await this.buildPrompt();
    const capturedPrompt = this.prompt;
    const gen = ++_pollGen;
    this.output = "";

    let ctxId;
    try {
      const resp = await api.callJsonApi("/chat_create", {});
      if (!resp.ok) throw new Error("Failed to create chat context");
      ctxId = resp.ctxid;
    } catch (/** @type {any} */ e) {
      void toastFrontendError(`Scan failed: ${formatErrorMessage(e)}`, SCAN_TITLE);
      return;
    }
    this.scanCtxId = ctxId;

    try {
      await api.callJsonApi("/plugins/_plugin_scan/plugin_scan_queue", { context: ctxId, text: capturedPrompt });
    } catch { /* best-effort */ }
    this.scanning = true;
    this._runNext(gen, ctxId, capturedPrompt);
  },

  /** @param {number} gen  @param {string} ctxId  @param {string} prompt */
  async _runNext(gen, ctxId, prompt) {
    try {
      await api.callJsonApi("/plugins/_plugin_scan/plugin_scan_start", { text: prompt, context: ctxId });
      await this._pollLoop(gen, ctxId);
    } catch (/** @type {any} */ e) {
      if (gen === _pollGen) {
        void toastFrontendError(`Scan failed: ${formatErrorMessage(e)}`, SCAN_TITLE);
        this.scanning = false;
      }
    }
  },

  /** @param {number} gen  @param {string} ctxId */
  async _pollLoop(gen, ctxId) {
    let started = false;
    const deadline = Date.now() + MAX_POLL_MS;
    while (true) {
      if (Date.now() >= deadline) {
        if (gen === _pollGen) {
          this.scanning = false;
          void toastFrontendError("Scan timed out while waiting for the agent response", SCAN_TITLE);
          console.error(`Scan poll timed out for context ${ctxId}`);
        }
        return;
      }
      await new Promise((r) => setTimeout(r, POLL_INTERVAL));
      try {
        const snap = await api.callJsonApi("/poll", {
          context: ctxId, log_from: 0, notifications_from: 0,
          timezone: Intl.DateTimeFormat().resolvedOptions().timeZone,
        });

        if (gen === _pollGen && snap.logs?.length) {
          const last = snap.logs.filter((/** @type {any} */ l) => l.type === "response" && l.no > 0).pop();
          if (last) this.output = last.content || "";
        }

        if (snap.log_progress_active) started = true;
        if (started && !snap.log_progress_active) {
          if (gen === _pollGen) this.scanning = false;
          return;
        }
        if (snap.deselect_chat) return;
      } catch (/** @type {any} */ e) {
        if (gen === _pollGen) console.error("Poll error:", e);
      }
    }
  },

  openChatInNewWindow() {
    if (!this.scanCtxId) return;
    const url = new URL(window.location.href);
    url.searchParams.set("ctxid", this.scanCtxId);
    window.open(url.toString(), "_blank");
  },
});