/**
 * /lvrged-factory slash commands — human-facing dashboard. All heavy lifting
 * is in the lvrged_factory_* tools; commands read the same registry.
 *
 * Naming convention: factory-general commands live at the top level
 * (/lvrged-factory setup), domain-specific ones under their domain
 * (/lvrged-factory gpu status, /lvrged-factory gpu deploy, ...).
 */
import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";
import { loadProviders, loadDeployments, loadJobs, loadPolicy, monthSpendUsd, todaySpendUsd, fmtUsd } from "./registry.js";

export function registerFactoryCommands(pi: ExtensionAPI) {
  pi.registerCommand("lvrged-factory", {
    description:
      "lvrged-factory dashboard — /lvrged-factory setup · gpu: status, deploy <model>, jobs, spend, stop <id>, policy, onboard",
    handler: async (args, ctx) => {
      const a = args.trim();
      const [ns, ...rest] = a.split(/\s+/);
      const sub = rest.join(" ");
      if (!a) return ctx.ui.notify(factoryDashboard(), "info");
      if (ns === "setup" || ns === "s") {
        return ctx.ui.notify(
          "Run /lvrged-factory setup (or ask the agent to run lvrged_factory_setup) to detect provider CLIs and authentication.",
          "info",
        );
      }
      if (ns === "gpu") {
        const out =
          !sub || sub === "dashboard"
            ? gpuDashboard()
            : sub === "status" || sub === "st"
              ? statusView()
              : sub === "jobs" || sub === "j"
                ? jobsView()
                : sub === "spend"
                  ? spendView()
                  : sub === "policy"
                    ? policyView()
                    : sub === "onboard" || sub === "ob"
                      ? onboardCard()
                      : sub.startsWith("stop") || sub.startsWith("destroy")
                        ? `Destroy ${sub.split(/\s+/)[1] || "<id>"}: ask the agent to run lvrged_factory_pod action=destroy (it will confirm spend first).`
                        : sub.startsWith("deploy")
                          ? `Deploy ${sub.split(/\s+/)[1] || "<model>"}: ask the agent to run lvrged_factory_ensure model=<model> — it will find or provision the cheapest fitting deployment.`
                          : gpuDashboard();
        return ctx.ui.notify(out, "info");
      }
      return ctx.ui.notify(factoryDashboard(), "info");
    },
  });
}

function factoryDashboard(): string {
  const gpu = gpuDashboard();
  return [
    "LVRGED FACTORY",
    "─────────────",
    "Domains",
    "  gpu   — provision & run GPU video workloads (RunPod — more via adapters)",
    "",
    "Commands: /lvrged-factory setup · /lvrged-factory gpu (dashboard) · /lvrged-factory gpu deploy <model>",
    "",
    gpu,
  ].join("\n");
}

function gpuDashboard(): string {
  const providers = loadProviders();
  const deployments = loadDeployments();
  const jobs = loadJobs();
  const policy = loadPolicy();
  const lines = [
    "LVRGED-FACTORY GPU",
    "─────────────────",
    "Providers",
    ...providers.map((p) => `  ${p.name.padEnd(10)} ${p.installed && p.authenticated ? "✓" : p.installed ? "○ needs auth" : "○ not installed"}`),
    "Deployments",
    ...(deployments.length
      ? deployments.map((d) => {
          const dot = d.status === "ready" ? "●" : d.status === "provisioning" ? "◐" : d.status === "stopped" ? "○" : "✕";
          return `  ${dot} ${d.id.padEnd(14)} ${d.model || d.runtime} ${d.gpu} @ ${d.provider} ${d.endpoint || ""} (${fmtUsd(d.cost_hr)}/hr)`;
        })
      : ["  (none — ask the agent to deploy a model)"]),
    `Jobs  ${jobs.filter((j) => j.status === "running").length} running · ${jobs.filter((j) => j.status === "queued").length} queued · ${jobs.filter((j) => j.status === "completed").length} completed`,
    `Spend Today ${fmtUsd(todaySpendUsd())} · Month ${fmtUsd(monthSpendUsd())} (ceiling ${fmtUsd(policy.ceiling_monthly_usd)})`,
    "Commands: /lvrged-factory gpu status · /lvrged-factory gpu deploy <model> · /lvrged-factory gpu jobs · /lvrged-factory gpu spend · /lvrged-factory gpu stop <id> · /lvrged-factory gpu policy",
  ];
  return lines.join("\n");
}

function statusView(): string {
  const providers = loadProviders();
  const deployments = loadDeployments();
  const lines = [
    "STATUS",
    providers.map((p) => `  ${p.name}: ${p.installed ? (p.authenticated ? "ready" : "installed, needs auth") : "not installed"}`).join("\n"),
    "",
    deployments.length
      ? deployments.map((d) => `  ${d.id} ${d.status.toUpperCase()} ${d.gpu} @ ${d.provider} ${d.endpoint || ""} ${fmtUsd(d.cost_hr)}/hr`).join("\n")
      : "  no deployments",
  ];
  return lines.join("\n");
}

function jobsView(): string {
  const jobs = loadJobs().slice(-15).reverse();
  return jobs.length
    ? jobs.map((j) => `${j.id} ${j.status.padEnd(9)} ${j.workflow} ${j.duration_s ? j.duration_s + "s" : ""} ${j.cost_usd !== undefined ? fmtUsd(j.cost_usd) : ""}`).join("\n")
    : "No jobs yet.";
}

function spendView(): string {
  return `SPEND\n  Today:  ${fmtUsd(todaySpendUsd())}\n  Month:  ${fmtUsd(monthSpendUsd())}`;
}

function policyView(): string {
  const p = loadPolicy();
  return `SPEND POLICY\n  per-job ${fmtUsd(p.ceiling_per_job_usd)} · daily ${fmtUsd(p.ceiling_daily_usd)} · monthly ${fmtUsd(p.ceiling_monthly_usd)} · confirm above ${fmtUsd(p.confirm_above_usd)} · idle shutdown after ${p.idle_shutdown_after_min} min`;
}

function onboardCard(): string {
  return [
    "H3 PRODUCTION — planning numbers (2026-08-12, session-verified where marked)",
    "  1 finished minute = 4 × 15s clips chained by last-frame carryover",
    "  stack: Turbo LoRA v4 step600 EMA @ 8 steps euler/beta + SageAttention2 + INT8 — never vanilla 20-step",
    "  image: runpod/comfyui:cuda13.0 (official cu130 build; Sage built at install; cu128 is ~2x slower for INT8)",
    "  price (verified): PRO 6000 community $1.69/hr (usually out of stock) · secure $2.09/hr (what you'll pay)",
    "  per finished minute at the 107s/8-step anchor: ~$0.25 secure · $15 buys ~60 min (vs Higgsfield ~1 min)",
    "Lane: RunPod RTX PRO 6000, 80GB container disk, no network volume. That's it — zero other choices.",
    "Ask the agent to run the lvrged-factory-gpu-onboarding skill for the full first-run flow.",
    "Detail: docs/h3-economics.md (benchmark protocol v1 included)",
  ].join("\n");
}