// gk-greyknight helpers.js — consolidated 0.6.4.6
// Zawiera: Brotherhood prompt + starter, powiadomienie (także poza walką), sheet summary,
// mini-widżet, oraz patcher traitów (Psycannon/Psilencer -> force).

/* ---------------- Utilities ---------------- */
const GK_DEBUG = false;
const FLAG_SCOPE = "gk-greyknight";

async function findItemInAllPacksByName(name, type=null) {
  for (const pack of game.packs) {
    if (pack.documentName !== "Item") continue;
    const idx = await pack.getIndex();
    const hit = idx.find(e => e.name === name && (!type || e.type === type));
    if (hit) return await pack.getDocument(hit._id);
  }
  return null;
}
async function ensureHasItemByName(actor, name, type=null) {
  const existing = actor.items?.find(i => i.name === name && (!type || i.type === type));
  if (existing) return existing;
  const doc = await findItemInAllPacksByName(name, type);
  if (!doc) return null;
  const data = doc.toObject(); delete data._id;
  const [created] = await actor.createEmbeddedDocuments("Item", [data]);
  return created;
}
async function promptDiscipline(actor) {
  const existing = await actor.getFlag(FLAG_SCOPE, "discipline");
  if (existing) return existing;
  return await new Promise(resolve => {
    new Dialog({
      title: "Brotherhood of Psykers — Choose Discipline",
      content: `<p>Select a discipline for this character:</p>
                <label style='display:block;margin-top:.5rem'><input type="radio" name="disc" value="sanctic" checked> Sanctic</label>
                <label style='display:block'><input type="radio" name="disc" value="librarius"> Librarius</label>`,
      buttons: {
        ok: { label: "Confirm", icon: "<i class='fas fa-check'></i>", callback: html => resolve(html.find('input[name="disc"]:checked').val() || "sanctic") },
        cancel: { label: "Cancel", callback: () => resolve(null) }
      },
      default: "ok"
    }).render(true);
  });
}
async function gkResolveActorFromMessage(doc) {
  const sp = doc.speaker || {};
  let actor = sp.actor ? game.actors?.get(sp.actor) : null;
  if (!actor && canvas?.tokens) {
    const t = (sp.token && canvas.tokens.get(sp.token)) || canvas.tokens.controlled?.[0] || null;
    actor = t?.actor || actor;
  }
  return actor;
}
async function gkIsPsychicMessage(doc) {
  try {
    const raw = `${doc.flavor || ""} ${TextEditor?.stripHTML(doc.content || "") || ""}`.toLowerCase();
    const keys = ["psychic","psychic mastery","psychic power","moc psioniczna","smite","hammerhand","sanctuary","shrouding","might of titan"];
    if (keys.some(k=>raw.includes(k))) return true;
    const flagsStr = JSON.stringify(doc.flags || {}).toLowerCase();
    if (flagsStr.includes("psychic")) return true;
    if (flagsStr.includes("psychicpower")) return true;
    if (flagsStr.includes("\"power\"")) return true;
    const tryUuids = [
      doc.getFlag?.("core","sourceId"),
      doc.getFlag?.("wng-core","itemUuid"),
      doc.flags?.document?.uuid,
      doc.flags?.uuid
    ].filter(Boolean);
    for (const u of tryUuids) {
      try { const it = await fromUuid(u); if (it?.type === "psychicPower") return true; } catch(e){}
    }
  } catch(e) { if (GK_DEBUG) console.warn("gk IsPsychicMessage error:", e); }
  return false;
}
function gkBrotherhoodAlliesAndBonus(actor) {
  const tokens = canvas?.tokens?.placeables || [];
  const ids = new Set();
  for (const t of tokens) {
    const a = t.actor; if (!a) continue;
    const ok = a.items?.some(i => i.type === "ability" && i.name === "Brotherhood of Psykers");
    if (ok) ids.add(a.id);
  }
  const total = ids.size;
  const bonus = ids.has(actor?.id) ? Math.max(0, total - 1) : total;
  return { total, bonus };
}

/* ---------------- 1) Brotherhood: prompt + starter ---------------- */
Hooks.once("ready", () => {
  // Avoid duplicate hook if hot-reloaded
  if (window._gkBroCreateHookId) { Hooks.off("createItem", window._gkBroCreateHookId); window._gkBroCreateHookId = null; }
  window._gkBroCreateHookId = Hooks.on("createItem", async (item, opts, userId) => {
    try {
      if (game.userId !== userId) return;
      if (item?.type !== "ability" || item?.name !== "Brotherhood of Psykers") return;
      const actor = item.parent; if (!actor) return;
      const chosen = await promptDiscipline(actor);
      if (!chosen) return;
      await actor.setFlag(FLAG_SCOPE, "discipline", chosen);
      const psyker = await ensureHasItemByName(actor, "PSYKER", "keyword");
      if (!psyker) ui.notifications?.warn("PSYKER keyword not found in loaded packs. Add it manually from wng-core.");
      if (chosen === "sanctic") {
        const ok = await ensureHasItemByName(actor, "Hammerhand (Sanctic)", "psychicPower");
        if (!ok) ui.notifications?.warn("Couldn't auto-add Hammerhand (Sanctic). Drag a Sanctic power from the GK pack.");
      } else {
        const ok = await ensureHasItemByName(actor, "Smite", "psychicPower");
        if (!ok) {
          ui.notifications?.warn("Smite not found in available packs. Please add a Librarius power manually.");
          game.ui?.sidebar?.tabs?.compendium?.activate();
        }
      }
    } catch (e) { console.error("gk-greyknight — Brotherhood prompt:", e); }
  });
});