"use strict";

(function (global) {
  const MAX_PENDING_LOSSES = 16;


  function relationWithDead(observer, dead, worldRef) {
    if (!observer || !dead || observer === dead) return "";
    const deadFamily = worldRef?.tarinaiFamilyKey ? worldRef.tarinaiFamilyKey(dead) : (dead.familyKey || "");
    const observerFamily = observer.familyKey || observer.archiveKey || observer.id || "";
    const deadId = dead.id || dead.releasedLiveId || "";
    const observerId = observer.id || observer.liveId || "";
    if (deadFamily && (observer.parents || []).includes(deadFamily)) return "親";
    if (deadFamily && (observer.children || []).includes(deadFamily)) return "子";
    if (observerFamily && (dead.parents || []).includes(observerFamily)) return "子";
    if (observerFamily && (dead.children || []).includes(observerFamily)) return "親";
    const rel = deadId ? observer.relationships?.[deadId] : null;
    const reverse = observerId ? dead.relationships?.[observerId] : null;
    if ((rel?.affinity || 0) >= (global.FRIEND_AFFINITY_THRESHOLD || 14) || (reverse?.affinity || 0) >= (global.FRIEND_AFFINITY_THRESHOLD || 14)) return "友達";
    return "";
  }

  function applyLiveDeathShock(observer, dead, relation, worldRef) {
    const strong = relation === "親" || relation === "子";
    if (observer.state === "sleep" || observer.state === "seek_bed") observer.goIdle?.("身近な個体の死に気づいた");
    const stress = strong ? 18 : 11;
    const fear = strong ? 2.1 : 1.45;
    if (observer.enterPanic) observer.enterPanic({ threat: dead, reason: `${relation}が死んだ`, fear, stress, cause: "relation_death", bubble: "!!", bubbleColor: "rgba(60,50,68,0.82)" });
    else {
      observer.sleeping = false;
      observer.setActionState?.("panic", { target: observer.panicDestination ? observer.panicDestination(dead) : null, reason: `${relation}が死んだ`, wake: true });
      observer.fearTimer = Math.max(observer.fearTimer || 0, fear);
      if (typeof applyNeedShock === "function") applyNeedShock(observer, { safety: stress * 1.6, social: stress * 1.4 });
      observer.bubble?.("!!", 1.0, "rgba(60,50,68,0.82)");
    }
    observer.recordChangeCause?.(`${relation}の死亡`, "ストレス", { value: stress });
    observer.addRecord?.(`${dead.name || "身近な個体"}の死に気づいてパニックになった。`, "death");
  }

  function notifyDeathToRelations(dead, reason = "") {
    const worldRef = this || global.world;
    if (!worldRef || !dead) return;
    const deadFamily = worldRef.tarinaiFamilyKey ? worldRef.tarinaiFamilyKey(dead) : (dead.familyKey || "");
    const deadId = dead.id || dead.releasedLiveId || "";
    let liveHits = 0;
    for (const other of worldRef.tarinai || []) {
      if (!other || other === dead || other.dead) continue;
      const relation = relationWithDead(other, dead, worldRef);
      if (!relation) continue;
      applyLiveDeathShock(other, dead, relation, worldRef);
      liveHits += 1;
    }
    for (const entry of (global.TarinaiFreezeSystem?.frozenList?.(worldRef) || [])) {
      const data = entry.data || entry;
      const relation = relationWithDead(data, dead, worldRef);
      if (!relation) continue;
      if (!Array.isArray(entry.pendingLosses)) entry.pendingLosses = [];
      const duplicate = entry.pendingLosses.some(l => (deadFamily && l.familyKey === deadFamily) || (deadId && l.liveId === deadId));
      if (!duplicate) {
        entry.pendingLosses.unshift({
          relation,
          name: dead.name || "たりない",
          familyKey: deadFamily,
          liveId: deadId,
          reason: reason || dead.deathReason || "死亡",
          time: worldRef.time || 0,
        });
        if (entry.pendingLosses.length > MAX_PENDING_LOSSES) entry.pendingLosses.length = MAX_PENDING_LOSSES;
      }
    }
    if (liveHits) worldRef.log?.(`${dead.name || "たりない"}の死に、身近な個体が動揺した。`, "death", { participants: [dead] });
    global.TarinaiFreezeSystem?.saveFrozenStore?.(worldRef);
    global.TarinaiFreezeSystem?.renderFrozenPanel?.(worldRef);
  }

  function patchWorldPrototype() {
    const apply = (proto) => { proto.notifyDeathToRelations = notifyDeathToRelations; };
    if (global.TarinaiPatcher?.patchWorld?.("relationEvents", apply)) return;
    const World = global.World;
    if (!World) return;
    apply(World.prototype);
  }

  global.TarinaiRelationEvents = { relationWithDead, applyLiveDeathShock, notifyDeathToRelations, patchWorldPrototype };
  patchWorldPrototype();
})(typeof window !== "undefined" ? window : globalThis);