// connect.js — „Verbinden" (v4): IDEs/Agenten anbinden, Verbindung testen, Bild/Vision-Flow.

import { api } from "../core/api.js";
import { $, esc, icon } from "../core/ui.js";

let S = null;
let lastSig = "";

window.mcCopyVal = btn => {
  const i = btn.previousElementSibling;
  navigator.clipboard?.writeText(i.value);
  const o = btn.textContent; btn.textContent = "Kopiert!"; setTimeout(() => (btn.textContent = o), 1200);
};
window.mcCopyCode = btn => {
  const code = btn.parentElement.querySelector("code");
  navigator.clipboard?.writeText(code.textContent);
  const o = btn.textContent; btn.textContent = "Kopiert!"; setTimeout(() => (btn.textContent = o), 1200);
};
window.cnGo = v => document.querySelector(`.nav-item[data-view="${v}"]`)?.click();

function baseUrl() { return `${location.protocol}//${location.hostname}:8080/v1`; }
function models() { return S?.models || []; }

function field(label, value) {
  return `<label>${label}</label>
    <div class="flex gap-2" style="align-items:stretch;margin-bottom:12px">
      <input class="mono-sm" readonly value="${esc(value)}" style="flex:1;margin:0">
      <button class="ghost" onclick="window.mcCopyVal(this)">Kopieren</button>
    </div>`;
}
const okChip = txt => `<span class="chip" style="background:rgba(63,185,80,.12);border-color:rgba(63,185,80,.25);color:#7ee29a">${icon("check")}${esc(txt)}</span>`;

function toolRow(name, desc, url, badge) {
  return `<div class="li" style="align-items:flex-start">
    <div class="li-main">
      <div class="flex items-center gap-2"><span class="li-id" style="font-family:var(--sans);font-weight:500">${esc(name)}</span>${badge ? `<span class="fit-badge ok">${esc(badge)}</span>` : ""}</div>
      <div class="li-sub">${esc(desc)}</div></div>
    <a href="${esc(url)}" target="_blank" rel="noopener"><button class="ghost">Öffnen</button></a>
  </div>`;
}

function render() {
  const c = $(".view[data-view='connect']"); if (!c) return;
  const url = baseUrl();
  const ids = models().map(m => m.name);
  const firstModel = ids[0] || "coder";
  const visionModel = models().find(m => m.meta?.caps?.includes("Bild"))?.name;

  c.innerHTML = `
    <div class="pagehead"><div>
      <h1>Verbinden</h1>
      <div class="sub">Binde deine lokalen Modelle in IDEs, Agenten & Tools ein — getestet, mit Copy-Paste-Config.</div></div></div>

    <div class="card">
      <div class="card-h"><h3>Verbindung zur Engine</h3></div>
      <div class="card-sub">Alle Tools nutzen diese OpenAI-kompatible Adresse. Das Auto-Swapping lädt das passende Modell je Anfrage automatisch.</div>
      ${field("Basis-URL (OpenAI-kompatibel)", url)}
      <div class="btn-row"><button class="primary" id="cn-test">Verbindung testen</button></div>
      <div id="cn-test-result" style="margin-top:12px"></div>
    </div>

    <div class="card">
      <div class="card-h"><h3>Bilder einbinden (Vision)</h3></div>
      <div class="card-sub">Für Fehleranalyse per Screenshot brauchst du ein Vision-Modell.</div>
      <div id="cn-vision"></div>
    </div>

    <div class="card">
      <div class="card-h"><h3>Empfohlene Tools (Juni 2026)</h3></div>
      <div class="card-sub">Diese verbinden sich nahtlos mit deinem Stack. Einrichtungs-Configs findest du darunter.</div>
      ${toolRow("OpenCode", "Beliebtester Open-Source-Coding-Agent (MIT) — Terminal, Desktop & IDE.", "https://opencode.ai", "Empfohlen")}
      ${toolRow("Cline", "Bestes Erlebnis in VS Code, Bring-Your-Own-Key, Mensch-im-Loop.", "https://cline.bot")}
      ${toolRow("Continue.dev", "Feinkörnige Kontrolle + bestes MCP-Ökosystem für Werkzeuge.", "https://continue.dev")}
      <div class="hint" style="margin-top:12px">MCP gibt Agenten zusätzliche Werkzeuge (Web durchsuchen, Dateien, Tools). Continue & Cline unterstützen MCP — mehr dazu im Guide.</div>
    </div>

    <div class="card" style="padding:0;overflow:hidden">
      <details class="guide-acc" open>
        <summary>OpenCode (Windows) — Config</summary>
        <div class="acc-body">
          <p>Lege in OpenCode einen OpenAI-kompatiblen Provider an:</p>
          ${field("Basis-URL", url)}
          ${field("Modell-ID", firstModel)}
          ${field("API-Key", "(dein Token oder leer lassen)")}
        </div>
      </details>
      <details class="guide-acc">
        <summary>Cline / Cursor</summary>
        <div class="acc-body">
          <p>Provider „OpenAI Compatible" wählen:</p>
          ${field("Basis-URL", url)}
          ${field("Modell-ID", firstModel)}
        </div>
      </details>
      <details class="guide-acc">
        <summary>OpenWebUI</summary>
        <div class="acc-body">
          <p>Settings → Admin → Connections → neue OpenAI-Verbindung:</p>
          ${field("Basis-URL", url)}
          ${field("API-Key", "dummy-key")}
        </div>
      </details>
    </div>`;

  $("#cn-test").addEventListener("click", testConnection);
  renderVision(url, visionModel);
}

function renderVision(url, visionModel) {
  const el = $("#cn-vision"); if (!el) return;
  if (visionModel) {
    const snippet = `curl ${url}/chat/completions \\
  -H "Content-Type: application/json" \\
  -d '{
  "model": "${visionModel}",
  "messages": [{"role":"user","content":[
    {"type":"text","text":"Was ist auf dem Bild falsch?"},
    {"type":"image_url","image_url":{"url":"data:image/png;base64,<DEIN_BILD>"}}
  ]}]
}'`;
    el.innerHTML = `${okChip(`Vision-Modell „${visionModel}" bereit`)}
      <div style="position:relative;margin-top:12px">
        <button class="ghost" style="position:absolute;top:8px;right:8px;z-index:1" onclick="window.mcCopyCode(this)">Kopieren</button>
        <div class="log" style="max-height:none"><code>${esc(snippet)}</code></div>
      </div>`;
  } else {
    el.innerHTML = `<div class="empty-c" style="padding:24px">
      <div class="e-t">Noch kein Vision-Modell installiert</div>
      <div class="e-s">Im Cookbook unter „Bilder verstehen" mit einem Klick einrichten.</div>
      <button class="primary" style="margin-top:14px" onclick="window.cnGo('cookbook')">Zum Cookbook</button>
    </div>`;
  }
}

async function testConnection() {
  const res = $("#cn-test-result"); res.innerHTML = `<div class="hint">Teste Verbindung…</div>`;
  try {
    const r = await api("/api/integration/test");
    res.innerHTML = r.ok
      ? okChip(`Funktioniert — ${r.models.length} Modell(e): ${r.models.join(", ")}`)
      : `<div class="alert warn" style="margin:0"><span class="a-dot"></span><span>Keine Verbindung zur Engine: ${esc(r.error)}</span></div>`;
  } catch (e) { res.innerHTML = `<div class="alert" style="margin:0"><span class="a-dot"></span><span>${esc(e.message)}</span></div>`; }
}

function mount() { render(); }
function onStatus(s) {
  S = s;
  const sig = (s?.models || []).map(m => m.name).join(",") + "|" + !!s;
  if (sig !== lastSig) { lastSig = sig; render(); }
}

export default { id: "connect", mount, onStatus };