import { fileURLToPath } from "node:url";
import { Type } from "@earendil-works/pi-ai";
import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";
import { collectOfficeStatus } from "./status/probes.ts";
import { formatStatusSummary } from "./status/report.ts";
import { registerWordTools } from "./word/tools.ts";
import { registerPdfTools } from "./pdf/tools.ts";

const projectRoot = fileURLToPath(new URL("..", import.meta.url));

export default function piWordPdf(pi: ExtensionAPI): void {
  const collect = (cwd: string, signal?: AbortSignal) => collectOfficeStatus({
    cwd,
    projectRoot,
    exec: (command, args, options) => {
      const effectiveSignal = signal ?? options?.signal;
      return pi.exec(command, args, {
        ...(options?.cwd ? { cwd: options.cwd } : {}),
        ...(options?.timeout !== undefined ? { timeout: options.timeout } : {}),
        ...(effectiveSignal ? { signal: effectiveSignal } : {}),
      });
    },
  });

  pi.registerTool({
    name: "office_status",
    label: "Office Status",
    description: "Read-only capability and dependency status for the staged pi-word-pdf package. It never installs or modifies documents.",
    promptSnippet: "Check whether Windows, Microsoft Word, Python, Bun, bun-docx, PDF modules, and Chinese fonts are available",
    promptGuidelines: [
      "Use for Word/PDF readiness or dependency questions.",
      "Do not claim document editing features are implemented in stage 1.",
      "Never install dependencies as part of this status tool.",
    ],
    parameters: Type.Object({}, { additionalProperties: false }),
    async execute(_toolCallId, _params, signal, _onUpdate, ctx) {
      const report = await collect(ctx.cwd, signal);
      return {
        content: [{ type: "text", text: formatStatusSummary(report) }],
        details: report,
      };
    },
  });

  pi.registerCommand("word-pdf-status", {
    description: "Show read-only pi-word-pdf capability and dependency status",
    handler: async (_args, ctx) => {
      try {
        const report = await collect(ctx.cwd);
        ctx.ui.notify(formatStatusSummary(report), "info");
      } catch (error) {
        const message = error instanceof Error ? error.message : String(error);
        ctx.ui.notify(`pi-word-pdf 状态检测失败：${message}`, "error");
      }
    },
  });

  registerWordTools(pi, projectRoot);
  registerPdfTools(pi, projectRoot);
}