"use strict";

(function (global) {
  function createStructureId(prefix = "structure") {
    return `${prefix}-${Date.now().toString(36)}-${Math.random().toString(36).slice(2, 9)}`;
  }

  function clonePlain(value) {
    return JSON.parse(JSON.stringify(value || {}));
  }

  class TarinaiStructure {
    constructor(definition, owner, x, y, world) {
      this.id = createStructureId("structure");
      this.type = definition.type;
      this.label = definition.label;
      this.isStructure = true;
      this.ownerId = owner?.id || "";
      this.hp = definition.maxHp || 1;
      this.maxHp = definition.maxHp || this.hp;
      this.attachment = definition.type === "plushie" ? 30 : 20;
      this.usedCount = 0;
      this.x = x;
      this.y = y;
      this.r = definition.type === "plushie" ? 6.5 : (definition.type === "grass_bed" ? 18 : 24);
      this.amount = this.hp;
      this.seed = Math.random() * 1000;
      this.roles = clonePlain(definition.roles);
      this.needEffects = clonePlain(definition.needEffects);
      this.carriedById = definition.type === "plushie" ? this.ownerId : "";
      this.onHead = definition.type === "plushie";
      if (definition.type === "plushie") {
        this.plushieSpriteId = "plushie_bear";
      }
      this.dead = false;
      this.world = world || null;
    }

    owner(worldRef = this.world) {
      return (worldRef?.tarinai || []).find(t => t && !t.dead && t.id === this.ownerId) || null;
    }

    update(dt, worldRef = this.world) {
      this.world = worldRef || this.world;
      if (this.dead || this.hp <= 0) {
        this.amount = 0;
        return;
      }
      if (this.type === "plushie") {
        const owner = this.owner(worldRef);
        if (!owner) {
          this.damage(1, worldRef, null);
          return;
        }
        this.x = owner.x;
        this.y = owner.y - Math.max(15, (owner.radius || 24) * 0.70);
        if (owner.needs) owner.needs.fulfill = Math.max(0, (owner.needs.fulfill || 0) - dt * 2.8);
      }
      if (this.type === "grass_bed") {
        if (!Number.isFinite(this.hp) || this.hp <= 0) {
          this.hp = Math.max(1, Number(this.maxHp || 100) || 100);
          this.amount = this.hp;
        }
        const owner = this.owner(worldRef);
        if (!owner && !this.singleUsePending) {
          this.unownedDecayTimer = (this.unownedDecayTimer || 0) + dt;
          const rainBoost = worldRef?.weather === "light_rain" ? 1.65 : 1;
          const ageBoost = 1 + Math.min(1.8, this.unownedDecayTimer / 360);
          this.damage(dt * 0.070 * rainBoost * ageBoost, worldRef, null);
          if (this.dead) return;
        } else {
          this.unownedDecayTimer = 0;
        }
      }
      this.amount = Math.max(0.001, Number(this.hp || this.amount || 1) || 1);
    }

    use(user, worldRef = this.world, options = {}) {
      const definition = global.StructureRegistry?.get?.(this.type);
      return definition?.onUse?.(user, this, worldRef, options) || false;
    }

    damage(amount = 1, worldRef = this.world, breaker = null) {
      if (this.dead) return false;
      this.hp = Math.max(0, (this.hp || 0) - Math.max(0, amount || 0));
      this.amount = this.hp;
      if (this.hp > 0) return false;
      this.dead = true;
      this.amount = 0;
      global.StructureRegistry?.get?.(this.type)?.onDestroyed?.(this, worldRef, breaker);
      return true;
    }

    draw(ctx, time = 0, lighting = {}) {
      if (this.dead) return;
      ctx.save();
      ctx.translate(this.x, this.y);
      const night = (lighting?.light || 1) < 0.42;
      if (this.type === "grass_bed") {
        // \u304b\u3093\u305f\u3093\u30d9\u30c3\u30c9: \u7dd1\u8272\u306e\u5c0f\u3055\u3044\u5e72\u8349\u5bdd\u5e8a\u3002\u901a\u5e38\u306e\u5e72\u8349\u5bdd\u5e8a\u3088\u308a\u4e00\u56de\u308a\u5c0f\u3055\u304f\u3001\u8349\u675f\u611f\u3092\u5f37\u3081\u308b\u3002
        const grassFill = night ? "rgba(78,132,67,0.90)" : "rgba(84,177,72,0.93)";
        const grassStroke = night ? "rgba(39,78,43,0.76)" : "rgba(45,112,48,0.78)";
        const strawStroke = night ? "rgba(168,207,119,0.42)" : "rgba(205,234,128,0.66)";
        ctx.fillStyle = grassFill;
        ctx.strokeStyle = grassStroke;
        ctx.lineWidth = 2;
        ctx.beginPath();
        ctx.ellipse(0, 4, this.r * 1.72, this.r * 0.66, -0.08, 0, Math.PI * 2);
        ctx.fill();
        ctx.stroke();
        ctx.strokeStyle = strawStroke;
        ctx.lineWidth = 1.45;
        for (let i = 0; i < 15; i++) {
          const x = -this.r * 1.14 + i * this.r * 0.16;
          const y = this.r * 0.38 + Math.sin(i * 1.7 + this.seed) * 1.8;
          const endX = x + Math.cos(-0.55 + i * 0.08) * this.r * 0.74;
          const endY = -this.r * 0.30 + Math.sin(time * 0.7 + i) * 2.6;
          ctx.beginPath();
          ctx.moveTo(x, y);
          ctx.quadraticCurveTo(Math.sin(time + i) * 3.2, -this.r * 0.10, endX, endY);
          ctx.stroke();
        }
        ctx.fillStyle = night ? "rgba(42,93,42,0.34)" : "rgba(66,145,47,0.36)";
        ctx.beginPath();
        ctx.ellipse(0, this.r * 0.22, this.r * 1.28, this.r * 0.28, -0.06, 0, Math.PI * 2);
        ctx.fill();
      } else if (this.type === "plushie") {
        const spriteId = "plushie_bear";
        this.plushieSpriteId = spriteId;
        const img = typeof getRenderableImage === "function" ? getRenderableImage(spriteId, spriteId) : (global.images?.get?.(spriteId) || null);
        ctx.rotate(Math.sin(time * 2 + this.seed) * 0.05);
        if (img) {
          const metrics = typeof getImageMetrics === "function" ? getImageMetrics(spriteId) || getImageMetrics("smile") : null;
          const w = this.r * 3.35;
          const h = w * (metrics?.ratio || 1.05);
          ctx.drawImage(img, -w * 0.50, -h * 0.62, w, h);
        } else {
          ctx.fillStyle = "#f7dfc0";
          ctx.strokeStyle = "rgba(86,62,48,0.70)";
          ctx.lineWidth = 1.7;
          ctx.beginPath();
          ctx.arc(0, 0, this.r, 0, Math.PI * 2);
          ctx.fill();
          ctx.stroke();
          ctx.fillStyle = "rgba(52,43,38,0.88)";
          ctx.beginPath(); ctx.arc(-this.r * 0.28, -this.r * 0.08, 1.5, 0, Math.PI * 2); ctx.fill();
          ctx.beginPath(); ctx.arc(this.r * 0.28, -this.r * 0.08, 1.5, 0, Math.PI * 2); ctx.fill();
        }
      }
      ctx.restore();
    }
  }

  const StructureRegistry = {
    defs: {},
    register(definition) { this.defs[definition.type] = definition; return definition; },
    get(type) { return this.defs[type] || null; },
    create(type, owner, x, y, world) {
      const definition = this.get(type);
      if (!definition) return null;
      return definition.create ? definition.create(owner, x, y, world) : new TarinaiStructure(definition, owner, x, y, world);
    },
  };

  function applyStructureNeedShock(owner, safetyGain, fulfillGain, breaker = null) {
    if (!owner || owner.dead) return;
    if (typeof global.applyNeedShock === "function") global.applyNeedShock(owner, { safety: safetyGain || 0, fulfill: fulfillGain || 0 }, breaker);
    else {
      owner.needShock = owner.needShock || {};
      owner.needShock.safety = Math.max(owner.needShock.safety || 0, safetyGain || 0);
      owner.needShock.fulfill = Math.max(owner.needShock.fulfill || 0, fulfillGain || 0);
      owner.lastNeedShockBreaker = breaker || null;
    }
    if (typeof global.triggerNeedShockReaction === "function") {
      const reason = breaker ? "\u81ea\u5206\u306e\u3082\u306e\u304c\u58ca\u308c\u3066\u30d1\u30cb\u30c3\u30af\u306b\u306a\u3063\u3066\u3044\u308b" : "\u81ea\u5206\u306e\u3082\u306e\u304c\u58ca\u308c\u3066\u3044\u308b";
      global.triggerNeedShockReaction(owner, breaker, reason);
    }
  }

  function damageNearbyStructures(worldRef, x, y, radius, amount, breaker = null) {
    let hit = 0;
    for (const structure of worldRef?.nearbyItems?.(x, y, radius + 80) || worldRef?.items || []) {
      if (!structure?.isStructure || structure.dead) continue;
      const d = distXY(x, y, structure.x, structure.y);
      const p = clamp(1 - d / Math.max(1, radius + (structure.r || 12)), 0, 1);
      if (p <= 0) continue;
      if (structure.damage?.(Math.max(1, amount * (0.35 + p * 0.65)), worldRef, breaker)) hit++;
    }
    return hit;
  }

  StructureRegistry.register({
    type: "grass_bed",
    label: "\u304b\u3093\u305f\u3093\u30d9\u30c3\u30c9",
    buildNeed: "fulfill",
    buildTime: 4,
    maxHp: 100,
    materials: { grassMaterial: 4 },
    roles: { sleepPlace: true, ownedStructure: true },
    needEffects: { food: 0, sleep: 60, health: 5, safety: 25, social: 0, fulfill: 40 },
    create(owner, x, y, world) { return new TarinaiStructure(this, owner, x, y, world); },
    onUse(user, structure, worldRef, options = {}) {
      if (user?.id && !structure.ownerId) {
        structure.ownerId = user.id;
        structure.ownerName = user.name || "";
        structure.attachment = Math.max(structure.attachment || 0, 24);
        structure.unownedDecayTimer = 0;
        structure.dead = false;
        structure.maxHp = Math.max(1, Number(structure.maxHp || 100) || 100);
        structure.hp = Math.max(1, Number(structure.hp || 0) || structure.maxHp);
        structure.amount = Math.max(0.001, structure.hp);
        worldRef?.markItemBucketsDirty?.("grass-bed-owner-adopted");
        worldRef?.markTerrainDirty?.("grass-bed-owner-adopted");
        worldRef?.emit?.("structure:ownerAdopted", { structure, owner: user });
      }
      const ownerUse = user?.id && user.id === structure.ownerId;
      if (ownerUse) structure.attachment = Math.min(100, (structure.attachment || 0) + 2);
      structure.usedCount = (structure.usedCount || 0) + 1;
      if (options?.purpose === "sleep" || options?.sleep === true) {
        // かんたんベッドは「寝た瞬間」ではなく「起きた時」に消える。
        // 睡眠中は寝場所として残すことで、見た目とホバー情報が自然になる。
        structure.dead = false;
        structure.maxHp = Math.max(1, Number(structure.maxHp || 100) || 100);
        structure.hp = Math.max(1, Number(structure.hp || 0) || structure.maxHp);
        structure.amount = Math.max(0.001, structure.hp);
        structure.unownedDecayTimer = 0;
        structure.singleUsePending = true;
        structure.singleUseConsumedById = user?.id || "";
        structure.singleUseConsumedAt = worldRef?.time || 0;
        structure.singleUseWakeReason = "sleep";
        structure.amount = Math.max(0.001, structure.hp || structure.amount || 1);
        worldRef?.markItemBucketsDirty?.("grass-bed-sleep-reserved");
        worldRef?.markTerrainDirty?.("grass-bed-sleep-reserved");
        worldRef?.emit?.("structure:useReserved", { structure, user });
      }
      return true;
    },
    onDestroyed(structure, world, breaker) {
      applyStructureNeedShock(structure.owner(world), 42, 46, breaker);
    },
  });

  StructureRegistry.register({
    type: "plushie",
    label: "\u306c\u3044\u3050\u308b\u307f",
    buildNeed: "fulfill",
    buildTime: 4,
    maxHp: 1,
    materials: { grassMaterial: 1 },
    roles: { carriedObject: true, ownedStructure: true, fulfillObject: true },
    needEffects: { food: 0, sleep: 0, health: 0, safety: 5, social: 0, fulfill: 50 },
    create(owner, x, y, world) { return new TarinaiStructure(this, owner, x, y, world); },
    onUse(user, structure) {
      if (user?.id === structure.ownerId) structure.attachment = Math.min(100, (structure.attachment || 0) + 1);
      structure.usedCount = (structure.usedCount || 0) + 1;
      if (user?.id === structure.ownerId) {
        user.needShock = user.needShock || {};
        user.needShock.fulfill = Math.min(0, (user.needShock.fulfill || 0) - 24);
        user.needShock.safety = Math.min(0, (user.needShock.safety || 0) - 4);
      }
      return true;
    },
    onDestroyed(structure, world, breaker) {
      applyStructureNeedShock(structure.owner(world), 55, 64, breaker);
    },
  });

  global.TarinaiStructure = TarinaiStructure;
  global.StructureRegistry = StructureRegistry;
  global.damageNearbyStructures = damageNearbyStructures;
})(typeof window !== "undefined" ? window : globalThis);