"use strict";

// Direct player-to-Tarinai feeding. Placement clicks and pinched-item drops
// share this path so item effects, feedback, and consumption stay consistent.
(function (global) {
  const FOOD_TOOL_TYPES = new Set(["food", "sweet", "love_mochi", "fight_mochi", "grass", "water", "zunda_juice"]);
  const MEDICINE_TOOL_TYPES = new Set(["first_aid", "sedative", "sleep_drug", "laxative", "protein", "niteropu", "ammo", "mystery_drug", "mercury", "giant_drug", "dwarf_drug"]);
  const HEART_FOOD_TYPES = new Set(["food", "sweet", "love_mochi", "fight_mochi", "grass", "zunda_juice"]);

  function itemType(itemOrType = "") {
    return String(typeof itemOrType === "object" ? itemOrType?.type || "" : itemOrType || "");
  }

  function isDirectFeedType(itemOrType = "") {
    const type = itemType(itemOrType);
    return FOOD_TOOL_TYPES.has(type) || MEDICINE_TOOL_TYPES.has(type);
  }

  function isFoodGift(itemOrType = "") {
    return HEART_FOOD_TYPES.has(itemType(itemOrType));
  }

  function hasConsumableAmount(item = null) {
    if (!item || item.dead || !isDirectFeedType(item)) return false;
    const type = itemType(item);
    if (typeof global.isServingFoodType === "function" && global.isServingFoodType(type)) {
      if (Number.isFinite(Number(item.foodServingsRemaining))) return Number(item.foodServingsRemaining) > 0;
      return Number(item.amount ?? 1) > 0;
    }
    return Number(item.amount ?? 1) > 0;
  }

  function findTargetAt(worldRef, x, y) {
    if (!worldRef || !Number.isFinite(Number(x)) || !Number.isFinite(Number(y))) return null;
    const px = Number(x);
    const py = Number(y);
    const list = worldRef.tarinai || [];
    for (let i = list.length - 1; i >= 0; i -= 1) {
      const t = list[i];
      if (!t || t.dead || worldRef.isTarinaiHiddenInNestBox?.(t)) continue;
      const hit = typeof t.contains === "function"
        ? t.contains(px, py)
        : (typeof global.distXY === "function" && global.distXY(px, py, t.x, t.y) <= Math.max(20, Number(t.radius || 22) * 1.35));
      if (hit) return t;
    }
    return null;
  }

  function roleFor(item = null) {
    const type = itemType(item);
    if (type === "water") return "drink";
    if (MEDICINE_TOOL_TYPES.has(type) || type === "zunda_juice") return "medicine";
    return "food";
  }

  function randomRange(min, max) {
    return min + Math.random() * (max - min);
  }

  function spawnFoodGiftHearts(tarinai, nutrition = 0) {
    const worldRef = tarinai?.world;
    if (!worldRef?.effects || typeof global.TarinaiEffect !== "function") return false;
    const count = 10 + Math.min(4, Math.max(0, Math.round((Number(nutrition) || 0) / 7)));
    const radius = Math.max(18, Number(tarinai.radius || 22) || 22);
    for (let i = 0; i < count; i += 1) {
      const side = i % 2 ? 1 : -1;
      worldRef.queueEffect?.("heart",
        tarinai.x + side * randomRange(radius * 0.06, radius * 0.82),
        tarinai.y - randomRange(radius * 0.38, radius * 1.72), {
          vx: side * randomRange(9, 30) + randomRange(-9, 9),
          vy: randomRange(-76, -30),
          size: randomRange(9, 17),
          life: randomRange(0.82, 1.36),
          color: "rgba(240,91,135,0.94)",
        });
    }
    worldRef.queueEffect?.("ring", tarinai.x, tarinai.y, {
      size: Math.max(24, radius * 1.35), life: 0.28, color: "rgba(240,91,135,0.42)",
    });
    return true;
  }

  function applyFoodGiftPersonality(tarinai, nutrition = 0) {
    if (!tarinai || typeof tarinai.adjustPersonality !== "function") return false;
    const amount = Math.max(0, Number(nutrition) || 0);
    // A single gift intentionally outweighs ordinary pointer contact, which
    // changes openness gradually per second while the cursor remains nearby.
    const openness = 0.018 + Math.min(0.010, amount * 0.0004);
    const sociability = 0.010 + Math.min(0.006, amount * 0.00024);
    const changedOpen = tarinai.adjustPersonality("openness", openness, "\u30ab\u30fc\u30bd\u30eb\u304b\u3089\u76f4\u63a5\u98df\u3079\u7269\u3092\u98df\u3079\u305f") || 0;
    const changedSocial = tarinai.adjustPersonality("sociability", sociability, "\u30ab\u30fc\u30bd\u30eb\u304b\u3089\u76f4\u63a5\u98df\u3079\u7269\u3092\u98df\u3079\u305f") || 0;
    return Math.abs(changedOpen) + Math.abs(changedSocial) > 0;
  }

  function removeGivenWorldItem(worldRef, item, label) {
    if (!worldRef || !item || !(worldRef.items || []).includes(item)) return false;
    if (global.TarinaiStructureLifecycle?.deleteItem) {
      return Boolean(global.TarinaiStructureLifecycle.deleteItem(worldRef, item, {
        reason: "direct-feed-consumed",
        userReason: `${label}\u304c\u76f4\u63a5\u4e0e\u3048\u3089\u308c\u305f`,
        wake: false,
        panicOwner: false,
      }));
    }
    item.amount = 0;
    item.dead = true;
    worldRef.markItemBucketsDirty?.("direct-feed-consumed");
    worldRef.markSpatialDirty?.("direct-feed-consumed");
    return true;
  }

  function give(worldRef, tarinai, item, options = {}) {
    if (!worldRef || !tarinai || tarinai.dead || !hasConsumableAmount(item)) return null;
    if (typeof global.consumeBehaviorTarget !== "function") return null;
    const type = itemType(item);
    if (tarinai.isZunchiSlave && type === "sweet") return null;
    const label = typeof global.toolLabel === "function" ? global.toolLabel(type) : type;
    const healthNeedBefore = Number(tarinai.needs?.health);
    const consumed = global.consumeBehaviorTarget(tarinai, worldRef, item, roleFor(item), 0.18);
    if (!consumed) return null;
    const nutrition = global.TarinaiItemRegistry?.food?.nutrition?.(type, 0) ?? 0;

    tarinai.target = null;
    tarinai.targetKey = "";
    tarinai.sleeping = false;
    tarinai.goodMode = "smile";
    tarinai.moodLiftTimer = Math.max(Number(tarinai.moodLiftTimer || 0) || 0, 1.2);
    tarinai.foodReactTimer = Math.max(Number(tarinai.foodReactTimer || 0) || 0, 0.55);
    tarinai.surpriseTimer = Math.max(Number(tarinai.surpriseTimer || 0) || 0, 0.28);
    tarinai.thought = `${label}\u3092\u3082\u3089\u3063\u305f`;

    const foodGift = isFoodGift(type);
    if (foodGift) {
      tarinai.affection = Number(tarinai.affection || 0) + 1.8 + Math.max(0, Number(nutrition) || 0) * 0.035;
      applyFoodGiftPersonality(tarinai, nutrition);
      // Cosmetic feedback must never interrupt consumption, removal, or achievement recording.
      try { spawnFoodGiftHearts(tarinai, nutrition); } catch (_) {}
      try { tarinai.bubble?.("\u2661", 2.2, "rgba(190,82,132,0.80)"); } catch (_) {}
      global.TarinaiAchievements?.recordDirectFeed?.({ world: worldRef, tarinai, item, type, source: options.source || "direct" });
    } else {
      tarinai.focusPulseTimer = Math.max(Number(tarinai.focusPulseTimer || 0) || 0, 0.72);
      const healthNeedAfter = Number(tarinai.needs?.health);
      const beneficialRecovery = Number.isFinite(healthNeedBefore) && Number.isFinite(healthNeedAfter) && healthNeedAfter < healthNeedBefore - 0.0001;
      global.TarinaiAchievements?.recordDirectCare?.({ world: worldRef, tarinai, item, type, beneficialRecovery, source: options.source || "direct" });
    }

    // Direct feeding is a player operation and is intentionally not logged.

    const removed = options.removeItem !== false ? removeGivenWorldItem(worldRef, item, label) : false;
    if (!removed && (worldRef.items || []).includes(item)) {
      item.vx = 0;
      item.vy = 0;
      item.prevX = item.x;
      item.prevY = item.y;
    }
    worldRef.hoverGiveTarget = null;
    worldRef.drawListDirty = true;
    worldRef.recordFamily?.(tarinai);
    if (global.uiCache) global.uiCache.selectedSnapshot = "";
    return { tarinai, item, type, label, foodGift, removed };
  }

  global.TarinaiDirectFeedingSystem = Object.freeze({
    isDirectFeedType,
    isFoodGift,
    hasConsumableAmount,
    findTargetAt,
    give,
  });
})(typeof window !== "undefined" ? window : globalThis);