import { HostileNpcAnimationConfig, HostileNpcSpriteConfig } from '../components/HostileNpcAnimator';
import {generateRuntimeItemAiIntents} from '../services/runtimeItemAiDirector';
import { GameState, InventoryItem, MonsterLootEntry, RoleActionDefinition, RuntimeItemPlan, SceneHostileNpc, WorldType } from '../types';
import { buildMonsterAttributeProfile } from './attributeProfileGenerator';
import { buildDefaultAxisVector } from './attributeResolver';
import {normalizeBuildTags} from './buildTags';
import {
  buildRuntimeCustomWorldInventoryItems,
  resolveCompatibilityTemplateWorldType,
} from './customWorldRuntime';
import hostileNpcOverridesJson from './hostileNpcOverrides.json';
import { buildRuntimeItemGenerationContext } from './runtimeItemContext';
import { generateDirectedRuntimeReward } from './runtimeItemDirector';
import {
  applyRuntimeItemNarrativeToExistingItem,
  buildRuntimeItemAiIntent,
  flattenDirectedRuntimeRewardItems,
} from './runtimeItemNarrative';
import { getTemplateWorldAttributeSchema } from './worldAttributeSchemas';

export interface HostileNpcPreset extends HostileNpcSpriteConfig {
  worldType: WorldType;
  description: string;
  introAction: string;
  baseStats: Pick<SceneHostileNpc, 'attackRange' | 'speed' | 'hp' | 'maxHp'>;
  combatTags: string[];
  habitatTags: string[];
  lootTable: MonsterLootEntry[];
  attributeProfile: NonNullable<SceneHostileNpc['attributeProfile']>;
  behaviorVectors: RoleActionDefinition[];
}

export type HostileNpcPresetOverride = Partial<Omit<HostileNpcPreset, 'animations' | 'baseStats'>> & {
  animations?: Partial<HostileNpcPreset['animations']>;
  baseStats?: Partial<HostileNpcPreset['baseStats']>;
  lootTable?: HostileNpcPreset['lootTable'];
};

export type MonsterPreset = HostileNpcPreset;
export type MonsterPresetOverride = HostileNpcPresetOverride;

function rowStart(sheetWidth: number, frameWidth: number, rowIndex: number) {
  return Math.floor(sheetWidth / frameWidth) * rowIndex;
}

function rowAnimation(
  sheetWidth: number,
  frameWidth: number,
  rowIndex: number,
  frames: number,
  fps = 24,
): HostileNpcAnimationConfig {
  return {
    start: rowStart(sheetWidth, frameWidth, rowIndex),
    frames,
    fps,
  };
}

function buildHostileNpcLootItem(
  id: string,
  category: string,
  name: string,
  rarity: InventoryItem['rarity'],
  tags: string[],
  quantity = 1,
  description?: string,
): InventoryItem {
  return {
    id: `monster-loot:${id}`,
    category,
    name,
    quantity,
    rarity,
    tags,
    description,
  };
}

function buildHostileNpcLootEntry(
  id: string,
  dropRate: number,
  item: InventoryItem,
): MonsterLootEntry {
  return {
    id,
    dropRate,
    item,
  };
}

const BASE_HOSTILE_NPC_PRESETS: Array<
  Omit<HostileNpcPreset, 'lootTable' | 'combatTags' | 'attributeProfile' | 'behaviorVectors'> & {
    combatTags?: string[];
  }
> = [
  {
    id: 'monster-03',
    worldType: WorldType.WUXIA,
    name: '断骨祟灵',
    description: '一团缠着碎骨与阴气的游灵，喜欢在地宫、荒村和古旧殿宇中徘徊。',
    introAction: '摇晃着碎骨在前方游荡，阴气正一点点漫开',
    src: '/Pixel Monsters Vol1/Sprites/monster_03.png',
    frameWidth: 61,
    frameHeight: 37,
    sheetWidth: 976,
    animations: {
      idle: rowAnimation(976, 61, 0, 4),
      move: rowAnimation(976, 61, 1, 8),
      attack: rowAnimation(976, 61, 2, 16),
      die: rowAnimation(976, 61, 4, 11),
    },
    baseStats: { attackRange: 1.3, speed: 6.8, hp: 102, maxHp: 102 },
    habitatTags: ['地宫', '荒村', '废寺', '遗迹'],
  },
  {
    id: 'monster-04',
    worldType: WorldType.WUXIA,
    name: '石背蜗怪',
    description: '驮着厚重石壳缓慢爬行，常盘踞在石阶、桥边与潮湿山路上。',
    introAction: '拖着沉重石壳缓慢拱上前来',
    src: '/Pixel Monsters Vol1/Sprites/monster_04.png',
    frameWidth: 58,
    frameHeight: 37,
    sheetWidth: 870,
    animations: {
      idle: rowAnimation(870, 58, 0, 12),
      move: rowAnimation(870, 58, 1, 4),
      attack: rowAnimation(870, 58, 2, 9),
      die: rowAnimation(870, 58, 3, 15),
    },
    baseStats: { attackRange: 1.1, speed: 4.8, hp: 152, maxHp: 152 },
    habitatTags: ['石阶', '渡口', '古桥', '山门'],
  },
  {
    id: 'monster-06',
    worldType: WorldType.WUXIA,
    name: '岩甲蛛兽',
    description: '甲壳坚硬、步足沉重，常潜伏在残垣、矿洞和石阶附近拦截来者。',
    introAction: '守在前方，盯着来者蓄势待发',
    src: '/Pixel Monsters Vol1/Sprites/monster_06.png',
    frameWidth: 73,
    frameHeight: 34,
    sheetWidth: 1606,
    animations: {
      idle: rowAnimation(1606, 73, 0, 16),
      move: rowAnimation(1606, 73, 1, 4),
      attack: rowAnimation(1606, 73, 2, 22),
      die: rowAnimation(1606, 73, 3, 11),
    },
    baseStats: { attackRange: 1.2, speed: 5.8, hp: 140, maxHp: 140 },
    habitatTags: ['矿道', '石阶', '废城', '地宫'],
  },
  {
    id: 'monster-07',
    worldType: WorldType.WUXIA,
    name: '孢爆菇灵',
    description: '伪装成无害的小蘑菇，靠近后会突然爆出孢雾和酸毒。',
    introAction: '看似无害地立在前方，伞盖正轻轻颤动',
    src: '/Pixel Monsters Vol1/Sprites/monster_07.png',
    frameWidth: 76,
    frameHeight: 59,
    sheetWidth: 1444,
    animations: {
      idle: rowAnimation(1444, 76, 0, 4),
      move: rowAnimation(1444, 76, 1, 8),
      attack: rowAnimation(1444, 76, 2, 19),
      die: rowAnimation(1444, 76, 3, 11),
    },
    baseStats: { attackRange: 1.1, speed: 6.1, hp: 108, maxHp: 108 },
    habitatTags: ['雾林', '荒村', '废寺', '山路'],
  },
  {
    id: 'monster-08',
    worldType: WorldType.WUXIA,
    name: '枯藤伏虫',
    description: '像一截会蠕动的枯藤，贴地潜行，适合在林地和湿地里伏击。',
    introAction: '贴着地面缓缓爬来，像一截活过来的枯藤',
    src: '/Pixel Monsters Vol1/Sprites/monster_08.png',
    frameWidth: 50,
    frameHeight: 23,
    sheetWidth: 950,
    animations: {
      idle: rowAnimation(950, 50, 0, 19),
      move: rowAnimation(950, 50, 1, 12),
      attack: rowAnimation(950, 50, 2, 11),
      die: rowAnimation(950, 50, 3, 17),
    },
    baseStats: { attackRange: 1.0, speed: 6.7, hp: 118, maxHp: 118 },
    habitatTags: ['竹林', '雾林', '沼泽', '荒野'],
  },
  {
    id: 'monster-11',
    worldType: WorldType.WUXIA,
    name: '夜牙潜兽',
    description: '夜色中贴地匍匐的潜伏兽，惯于在街巷、残垣与营地周边游猎。',
    introAction: '收拢身形伏在前方，尖牙在阴影里一闪而过',
    src: '/Pixel Monsters Vol1/Sprites/monster_11.png',
    frameWidth: 70,
    frameHeight: 36,
    sheetWidth: 770,
    animations: {
      idle: rowAnimation(770, 70, 0, 6),
      move: rowAnimation(770, 70, 1, 8),
      attack: rowAnimation(770, 70, 2, 11),
      die: rowAnimation(770, 70, 3, 10),
    },
    baseStats: { attackRange: 1.4, speed: 7.4, hp: 124, maxHp: 124 },
    habitatTags: ['长街', '营地', '断垣', '宫苑'],
  },
  {
    id: 'monster-13',
    worldType: WorldType.WUXIA,
    name: '青鳞毒蛇',
    description: '身形细长，吐信极快，最喜欢守在草木掩映和石缝交错之地。',
    introAction: '盘在前路中央缓缓昂头，蛇信正来回试探',
    src: '/Pixel Monsters Vol1/Sprites/monster_13.png',
    frameWidth: 66,
    frameHeight: 36,
    sheetWidth: 1056,
    animations: {
      idle: rowAnimation(1056, 66, 0, 16),
      attack: rowAnimation(1056, 66, 1, 15),
    },
    baseStats: { attackRange: 1.7, speed: 8.2, hp: 96, maxHp: 96 },
    habitatTags: ['竹林', '雾林', '山路', '花圃'],
  },
  {
    id: 'monster-18',
    worldType: WorldType.WUXIA,
    name: '瘴背古象',
    description: '体格厚重，背脊总有瘴气或孢苔翻涌，适合盘踞在矿道和废弃重地。',
    introAction: '拖着厚重身躯踩碎碎石，正迎面压来',
    src: '/Pixel Monsters Vol1/Sprites/monster_18.png',
    frameWidth: 77,
    frameHeight: 43,
    sheetWidth: 1771,
    animations: {
      idle: rowAnimation(1771, 77, 0, 8),
      move: rowAnimation(1771, 77, 0, 8),
      attack: rowAnimation(1771, 77, 2, 23),
      die: rowAnimation(1771, 77, 1, 17),
    },
    baseStats: { attackRange: 1.8, speed: 4.4, hp: 186, maxHp: 186 },
    habitatTags: ['矿道', '铸坊', '废城', '边关'],
  },
  {
    id: 'monster-02',
    worldType: WorldType.XIANXIA,
    name: '秘匣书妖',
    description: '像会自行翻页的秘典与宝匣，常在仙门、遗迹与禁制附近浮游。',
    introAction: '在前方半空翻页浮动，纸页间渗出幽光',
    src: '/Pixel Monsters Vol1/Sprites/monster_02.png',
    frameWidth: 43,
    frameHeight: 46,
    sheetWidth: 688,
    animations: {
      idle: rowAnimation(688, 43, 0, 16),
      move: rowAnimation(688, 43, 1, 5),
      attack: rowAnimation(688, 43, 2, 12),
      die: rowAnimation(688, 43, 4, 7),
    },
    baseStats: { attackRange: 1.4, speed: 7.3, hp: 112, maxHp: 112 },
    habitatTags: ['仙门', '长廊', '遗迹', '祭坛'],
  },
  {
    id: 'monster-05',
    worldType: WorldType.XIANXIA,
    name: '血瞳妖眼',
    description: '硕大眼球外生细足，擅长隔着雾障与灵光窥伺猎物。',
    introAction: '转动血色眼瞳在前方缓慢逼近',
    src: '/Pixel Monsters Vol1/Sprites/monster_05.png',
    frameWidth: 60,
    frameHeight: 48,
    sheetWidth: 840,
    animations: {
      idle: rowAnimation(840, 60, 0, 12),
      move: rowAnimation(840, 60, 1, 8),
      attack: rowAnimation(840, 60, 2, 9),
      die: rowAnimation(840, 60, 4, 14),
    },
    baseStats: { attackRange: 1.6, speed: 7.0, hp: 126, maxHp: 126 },
    habitatTags: ['妖雾', '洞天', '谷地', '秘境'],
  },
  {
    id: 'monster-10',
    worldType: WorldType.XIANXIA,
    name: '青腐泥灵',
    description: '浑身流着青绿色黏液，移动时像在地面拖出灵腐痕迹。',
    introAction: '一边渗出黏液一边缓慢朝前爬来',
    src: '/Pixel Monsters Vol1/Sprites/monster_10.png',
    frameWidth: 48,
    frameHeight: 25,
    sheetWidth: 720,
    animations: {
      idle: rowAnimation(720, 48, 0, 8),
      move: rowAnimation(720, 48, 1, 8),
      attack: rowAnimation(720, 48, 2, 13),
      die: rowAnimation(720, 48, 3, 15),
    },
    baseStats: { attackRange: 1.2, speed: 5.0, hp: 136, maxHp: 136 },
    habitatTags: ['洞天', '谷地', '月湖', '石坑'],
  },
  {
    id: 'monster-12',
    worldType: WorldType.XIANXIA,
    name: '幽烬灵蝠',
    description: '翅翼缭绕灰烬般的灵火，常成群出没于洞天、崖壁与灵脉附近。',
    introAction: '盘旋在前方半空，幽火忽明忽暗',
    src: '/Pixel Monsters Vol1/Sprites/monster_12.png',
    frameWidth: 46,
    frameHeight: 43,
    sheetWidth: 506,
    animations: {
      idle: rowAnimation(506, 46, 0, 8),
      move: rowAnimation(506, 46, 1, 4),
      attack: rowAnimation(506, 46, 2, 7),
      die: rowAnimation(506, 46, 3, 11),
    },
    baseStats: { attackRange: 1.6, speed: 7.8, hp: 120, maxHp: 120 },
    habitatTags: ['洞天', '崖壁', '仙岛', '古迹'],
  },
  {
    id: 'monster-14',
    worldType: WorldType.XIANXIA,
    name: '赤潮墨章',
    description: '像灵海中游出的赤色异章，触腕灵活，最爱在潮湿灵境与月湖边出没。',
    introAction: '舒展触腕在前方缓缓游弋',
    src: '/Pixel Monsters Vol1/Sprites/monster_14.png',
    frameWidth: 61,
    frameHeight: 46,
    sheetWidth: 671,
    animations: {
      idle: rowAnimation(671, 61, 0, 8),
      move: rowAnimation(671, 61, 1, 8),
      attack: rowAnimation(671, 61, 2, 9),
      die: rowAnimation(671, 61, 4, 11),
    },
    baseStats: { attackRange: 1.7, speed: 7.1, hp: 128, maxHp: 128 },
    habitatTags: ['月湖', '天河', '仙洲', '灵泉'],
  },
  {
    id: 'monster-15',
    worldType: WorldType.XIANXIA,
    name: '噬灵妖花',
    description: '花口如獠牙，根须会吞食靠近的灵气与血肉，常藏在灵植密地。',
    introAction: '缓缓舒展花瓣，在前方守着必经之路',
    src: '/Pixel Monsters Vol1/Sprites/monster_15.png',
    frameWidth: 75,
    frameHeight: 62,
    sheetWidth: 2400,
    animations: {
      idle: rowAnimation(2400, 75, 0, 6),
      attack: rowAnimation(2400, 75, 1, 32),
      die: rowAnimation(2400, 75, 2, 17),
    },
    baseStats: { attackRange: 1.5, speed: 4.6, hp: 168, maxHp: 168 },
    habitatTags: ['花圃', '神木', '谷地', '秘境'],
  },
  {
    id: 'monster-16',
    worldType: WorldType.XIANXIA,
    name: '噬雾飞蛾',
    description: '借雾气遮身，飞行轨迹诡谲，喜欢围着灵光和人影打转。',
    introAction: '绕着雾气轻轻盘飞，正朝前方逼近',
    src: '/Pixel Monsters Vol1/Sprites/monster_16.png',
    frameWidth: 52,
    frameHeight: 50,
    sheetWidth: 728,
    animations: {
      idle: rowAnimation(728, 52, 0, 8),
      move: rowAnimation(728, 52, 1, 4),
      attack: rowAnimation(728, 52, 2, 14),
      die: rowAnimation(728, 52, 3, 9),
    },
    baseStats: { attackRange: 1.8, speed: 6.9, hp: 130, maxHp: 130 },
    habitatTags: ['妖雾', '仙门', '星舟', '悬空'],
  },
  {
    id: 'monster-20',
    worldType: WorldType.XIANXIA,
    name: '澄潮灵母',
    description: '像由灵泉和潮汐凝出的母体水灵，甩动触须时会带出大片灵浪。',
    introAction: '在前方拖着水光般的触须缓缓游来',
    src: '/Pixel Monsters Vol1/Sprites/monster_20.png',
    frameWidth: 67,
    frameHeight: 42,
    sheetWidth: 804,
    animations: {
      idle: rowAnimation(804, 67, 0, 6),
      move: rowAnimation(804, 67, 1, 6),
      attack: rowAnimation(804, 67, 2, 12),
    },
    baseStats: { attackRange: 1.4, speed: 6.4, hp: 138, maxHp: 138 },
    habitatTags: ['月湖', '灵泉', '天河', '寒玉'],
  },
];

const BASE_HOSTILE_NPC_LOOT_TABLES: Record<string, MonsterLootEntry[]> = {
  'monster-02': [
    buildHostileNpcLootEntry(
      'monster-02-script-fragment',
      0.74,
      buildHostileNpcLootItem(
        'script-fragment',
        '材料',
        '残页碎片',
        'common',
        ['material'],
        2,
        '散落的书页和易碎纸片上，还残留着护符墨水的痕迹。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-02-archive-sigil',
      0.24,
      buildHostileNpcLootItem(
        'archive-sigil',
        '稀有品',
        '档案印记',
        'rare',
        ['relic', 'mana'],
        1,
        '一枚悬浮的印记，内部储着周围灵文的回响。',
      ),
    ),
  ],
  'monster-03': [
    buildHostileNpcLootEntry(
      'monster-03-bone-dust',
      0.74,
      buildHostileNpcLootItem(
        'bone-dust',
        '材料',
        '骨尘',
        'common',
        ['material'],
        2,
        '破碎骨灵散落下来的粉末状残渣。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-03-whisper-ember',
      0.22,
      buildHostileNpcLootItem(
        'whisper-ember',
        '稀有品',
        '低语余烬',
        'rare',
        ['relic', 'mana'],
        1,
        '微弱的火星里还带着不安魂力的回响。',
      ),
    ),
  ],
  'monster-04': [
    buildHostileNpcLootEntry(
      'monster-04-stone-shell',
      0.7,
      buildHostileNpcLootItem(
        'stone-shell-shard',
        '材料',
        '石壳碎片',
        'uncommon',
        ['material'],
        2,
        '从石背蜗怪身上剥落下来的坚硬护壳碎片。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-04-venom-gland',
      0.32,
      buildHostileNpcLootItem(
        'venom-gland',
        '材料',
        '毒腺',
        'uncommon',
        ['material'],
        1,
        '仍带着余温的密封毒囊。',
      ),
    ),
  ],
  'monster-05': [
    buildHostileNpcLootEntry(
      'monster-05-watcher-tendon',
      0.68,
      buildHostileNpcLootItem(
        'watcher-tendon',
        '材料',
        '守望筋丝',
        'common',
        ['material'],
        2,
        '从漂浮妖眼身上扯下的细丝筋络。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-05-blood-lens',
      0.3,
      buildHostileNpcLootItem(
        'blood-lens',
        '稀有品',
        '血瞳透镜',
        'rare',
        ['relic', 'mana'],
        1,
        '经由打磨的眼晶，可放大敌意与凝视类术式。',
      ),
    ),
  ],
  'monster-06': [
    buildHostileNpcLootEntry(
      'monster-06-carapace-plate',
      0.38,
      buildHostileNpcLootItem(
        'carapace-plate',
        '护甲',
        '甲壳板',
        'rare',
        ['armor', 'material'],
        1,
        '可重铸成重型防具的致密甲板。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-06-guard-core',
      0.18,
      buildHostileNpcLootItem(
        'guard-core',
        '稀有品',
        '守御核心',
        'rare',
        ['relic'],
        1,
        '蕴着本能防御意志的核心，坚实得近乎难摧。',
      ),
    ),
  ],
  'monster-07': [
    buildHostileNpcLootEntry(
      'monster-07-spore-pouch',
      0.72,
      buildHostileNpcLootItem(
        'spore-pouch',
        '材料',
        '孢囊',
        'uncommon',
        ['material'],
        2,
        '装满不稳定菌孢的鼓胀囊袋。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-07-burst-cap',
      0.28,
      buildHostileNpcLootItem(
        'burst-cap',
        '消耗品',
        '爆菇帽',
        'uncommon',
        ['healing'],
        1,
        '可加工成战地药剂的挥发菌帽。',
      ),
    ),
  ],
  'monster-08': [
    buildHostileNpcLootEntry(
      'monster-08-vine-tendril',
      0.76,
      buildHostileNpcLootItem(
        'vine-tendril',
        '材料',
        '藤须',
        'common',
        ['material'],
        2,
        '从枯藤伏虫身上取得的韧性藤丝。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-08-ambush-fang',
      0.2,
      buildHostileNpcLootItem(
        'ambush-fang',
        '武器',
        '伏袭牙刃',
        'rare',
        ['weapon', 'material'],
        1,
        '近战猎手格外珍视的天然尖牙刃。',
      ),
    ),
  ],
  'monster-10': [
    buildHostileNpcLootEntry(
      'monster-10-spirit-slime',
      0.72,
      buildHostileNpcLootItem(
        'spirit-slime',
        '材料',
        '灵腐黏液',
        'common',
        ['material'],
        2,
        '在黑暗中微微发光的腐灵残液。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-10-marsh-core',
      0.2,
      buildHostileNpcLootItem(
        'marsh-core',
        '稀有品',
        '沼泽核心',
        'rare',
        ['relic', 'mana'],
        1,
        '沼气与阴湿灵力凝成的核心结节。',
      ),
    ),
  ],
  'monster-11': [
    buildHostileNpcLootEntry(
      'monster-11-night-fang',
      0.58,
      buildHostileNpcLootItem(
        'night-fang',
        '材料',
        '夜牙',
        'uncommon',
        ['material'],
        1,
        '适合炼毒与设陷的刃状兽牙。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-11-shadow-pelt',
      0.24,
      buildHostileNpcLootItem(
        'shadow-pelt',
        '护甲',
        '暗影兽皮',
        'rare',
        ['armor', 'material'],
        1,
        '披戴后能稍稍融入夜色的深色皮膜。',
      ),
    ),
  ],
  'monster-12': [
    buildHostileNpcLootEntry(
      'monster-12-ember-wing',
      0.64,
      buildHostileNpcLootItem(
        'ember-wing',
        '材料',
        '烬翼',
        'uncommon',
        ['material'],
        2,
        '仍散着余热灰烬的焦脆翼片。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-12-ashfire-feather',
      0.22,
      buildHostileNpcLootItem(
        'ashfire-feather',
        '稀有品',
        '灰焰翎',
        'rare',
        ['relic', 'mana'],
        1,
        '羽尖里封着微弱却持久的灼灵余火。',
      ),
    ),
  ],
  'monster-13': [
    buildHostileNpcLootEntry(
      'monster-13-venom-sac',
      0.66,
      buildHostileNpcLootItem(
        'serpent-venom-sac',
        '材料',
        '蛇毒囊',
        'uncommon',
        ['material'],
        1,
        '炼药师与刺客都很看重的高浓毒囊。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-13-serpent-eye',
      0.16,
      buildHostileNpcLootItem(
        'serpent-eye',
        '稀有品',
        '蛇瞳',
        'rare',
        ['relic', 'mana'],
        1,
        '即使静止不动，也像仍在追索附近的活物。',
      ),
    ),
  ],
  'monster-14': [
    buildHostileNpcLootEntry(
      'monster-14-tide-ink',
      0.7,
      buildHostileNpcLootItem(
        'tide-ink',
        '材料',
        '潮墨',
        'uncommon',
        ['material'],
        2,
        '适合封印、符阵与水属术式的浓黑灵墨。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-14-lake-pearl',
      0.18,
      buildHostileNpcLootItem(
        'lake-pearl',
        '稀有品',
        '湖珠',
        'rare',
        ['relic', 'mana'],
        1,
        '裹着月华水气的光润珍珠。',
      ),
    ),
  ],
  'monster-15': [
    buildHostileNpcLootEntry(
      'monster-15-thorn-nectar',
      0.46,
      buildHostileNpcLootItem(
        'thorn-nectar',
        '消耗品',
        '棘露蜜浆',
        'uncommon',
        ['healing', 'material'],
        1,
        '黏稠树露可炼成紧急疗伤的回生药浆。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-15-devour-bloom',
      0.12,
      buildHostileNpcLootItem(
        'devour-bloom',
        '稀有品',
        '噬灵花核',
        'epic',
        ['relic'],
        1,
        '会掠食灵机的妖花花核，积着浓缩生机。',
      ),
    ),
  ],
  'monster-16': [
    buildHostileNpcLootEntry(
      'monster-16-mist-wing',
      0.72,
      buildHostileNpcLootItem(
        'mist-wing',
        '材料',
        '雾翼膜',
        'common',
        ['material'],
        2,
        '浸着游雾与静电的轻薄翼膜。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-16-chase-rune',
      0.2,
      buildHostileNpcLootItem(
        'chase-rune',
        '稀有品',
        '追猎符印',
        'rare',
        ['relic'],
        1,
        '能与速度和压迫感共鸣的追索印记。',
      ),
    ),
  ],
  'monster-18': [
    buildHostileNpcLootEntry(
      'monster-18-ancient-hide',
      0.62,
      buildHostileNpcLootItem(
        'ancient-hide',
        '护甲',
        '古苔兽皮',
        'uncommon',
        ['armor', 'material'],
        1,
        '厚重皮层间压着旧尘、苔痕与碰撞裂纹。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-18-ruin-heart',
      0.14,
      buildHostileNpcLootItem(
        'ruin-heart',
        '稀有品',
        '遗墟之心',
        'epic',
        ['relic'],
        1,
        '沉重的核心里跳着废墟不肯坍塌的执念。',
      ),
    ),
  ],
  'monster-20': [
    buildHostileNpcLootEntry(
      'monster-20-spring-essence',
      0.44,
      buildHostileNpcLootItem(
        'spring-essence',
        '消耗品',
        '灵泉精露',
        'uncommon',
        ['mana'],
        1,
        '清凉的泉露能稳住心神与灵息运转。',
      ),
    ),
    buildHostileNpcLootEntry(
      'monster-20-tide-mother-core',
      0.11,
      buildHostileNpcLootItem(
        'tide-mother-core',
        '稀有品',
        '潮母灵核',
        'epic',
        ['relic', 'mana'],
        1,
        '只有在最深的明泉里才会凝出的水华灵核。',
      ),
    ),
  ],
};

const HOSTILE_NPC_OVERRIDES = hostileNpcOverridesJson as Record<string, HostileNpcPresetOverride>;

const BASE_HOSTILE_NPC_COMBAT_TAGS: Record<string, string[]> = {
  'monster-03': ['镇邪', '控场', '机动'],
  'monster-04': ['重甲', '守御', '反击'],
  'monster-06': ['重甲', '守御', '压制'],
  'monster-07': ['控场', '回复', '炼药'],
  'monster-08': ['快袭', '追击', '机动'],
  'monster-11': ['快袭', '突进', '压制'],
  'monster-13': ['快袭', '追击', '风行'],
  'monster-18': ['重击', '守御', '堡垒'],
  'monster-02': ['法修', '符阵', '控场'],
  'monster-05': ['控场', '法修', '镇邪'],
  'monster-10': ['法力', '回复', '护体'],
  'monster-12': ['机动', '远射', '风行'],
  'monster-14': ['法力', '符阵', '回复'],
  'monster-15': ['回复', '护体', '重甲'],
  'monster-16': ['雷法', '机动', '过载'],
  'monster-20': ['法力', '回复', '镇邪'],
};

function mergeHostileNpcPreset(
  basePreset: Omit<HostileNpcPreset, 'combatTags' | 'lootTable' | 'attributeProfile' | 'behaviorVectors'> & { combatTags?: string[] },
): HostileNpcPreset {
  const override = HOSTILE_NPC_OVERRIDES[basePreset.id];
  if (!override) {
    return hydrateHostileNpcPresetRoleData({
      ...basePreset,
      combatTags: basePreset.combatTags ?? BASE_HOSTILE_NPC_COMBAT_TAGS[basePreset.id] ?? [],
      lootTable: BASE_HOSTILE_NPC_LOOT_TABLES[basePreset.id] ?? [],
    });
  }

  return hydrateHostileNpcPresetRoleData({
    ...basePreset,
    ...override,
    animations: {
      ...basePreset.animations,
      ...(override.animations ?? {}),
    },
    baseStats: {
      ...basePreset.baseStats,
      ...(override.baseStats ?? {}),
    },
    combatTags: override.combatTags ?? basePreset.combatTags ?? BASE_HOSTILE_NPC_COMBAT_TAGS[basePreset.id] ?? [],
    habitatTags: override.habitatTags ?? basePreset.habitatTags,
    lootTable: override.lootTable ?? BASE_HOSTILE_NPC_LOOT_TABLES[basePreset.id] ?? [],
  });
}

function buildHostileNpcBehaviorVectors(preset: {
  id: string;
  name: string;
  combatTags: string[];
  baseStats: Pick<SceneHostileNpc, 'attackRange' | 'speed' | 'maxHp'>;
}) {
  const controlBias = preset.combatTags.some(tag => ['控场', '符阵', '法力'].includes(tag)) ? 0.28 : 0.12;
  const mobilityBias = preset.baseStats.speed >= 7 ? 0.34 : 0.16;
  const pressureBias = preset.baseStats.attackRange >= 1.5 ? 0.32 : 0.18;
  const enduranceBias = preset.baseStats.maxHp >= 150 ? 0.3 : 0.16;

  return [
    {
      id: `${preset.id}:predatory-strike`,
      name: `${preset.name}的本能压迫`,
      category: 'combat' as const,
      baseScore: 0.52,
      intentVector: buildDefaultAxisVector({
        axis_a: enduranceBias,
        axis_b: mobilityBias,
        axis_c: controlBias,
        axis_d: pressureBias,
        axis_f: 0.2,
      }),
      resistVector: buildDefaultAxisVector({
        axis_b: 0.24,
        axis_c: 0.22,
        axis_f: 0.18,
      }),
    },
  ];
}

function hydrateHostileNpcPresetRoleData(
  preset: Omit<HostileNpcPreset, 'attributeProfile' | 'behaviorVectors'>,
): HostileNpcPreset {
  const schema = getTemplateWorldAttributeSchema(
    preset.worldType === WorldType.XIANXIA ? WorldType.XIANXIA : WorldType.WUXIA,
  );

  return {
    ...preset,
    attributeProfile: buildMonsterAttributeProfile(preset, schema),
    behaviorVectors: buildHostileNpcBehaviorVectors(preset),
  };
}

const ALL_HOSTILE_NPC_PRESETS = BASE_HOSTILE_NPC_PRESETS.map(basePreset => mergeHostileNpcPreset(basePreset));

export const HOSTILE_NPC_PRESETS_BY_WORLD: Record<WorldType, HostileNpcPreset[]> = {
  [WorldType.WUXIA]: ALL_HOSTILE_NPC_PRESETS.filter(monster => monster.worldType === WorldType.WUXIA),
  [WorldType.XIANXIA]: ALL_HOSTILE_NPC_PRESETS.filter(monster => monster.worldType === WorldType.XIANXIA),
  [WorldType.CUSTOM]: [...ALL_HOSTILE_NPC_PRESETS],
};

export const MONSTER_PRESETS_BY_WORLD = HOSTILE_NPC_PRESETS_BY_WORLD;

export function getHostileNpcPresetById(worldType: WorldType, monsterId: string) {
  if (worldType === WorldType.CUSTOM) {
    return HOSTILE_NPC_PRESETS_BY_WORLD[WorldType.CUSTOM].find(monster => monster.id === monsterId) ?? null;
  }
  const resolvedWorldType =
    resolveCompatibilityTemplateWorldType(worldType) ?? WorldType.WUXIA;
  return HOSTILE_NPC_PRESETS_BY_WORLD[resolvedWorldType].find(monster => monster.id === monsterId) ?? null;
}

export const getMonsterPresetById = getHostileNpcPresetById;

export function getHostileNpcPresetsByWorld(worldType: WorldType) {
  if (worldType === WorldType.CUSTOM) {
    return HOSTILE_NPC_PRESETS_BY_WORLD[WorldType.CUSTOM];
  }
  const resolvedWorldType =
    resolveCompatibilityTemplateWorldType(worldType) ?? WorldType.WUXIA;
  return HOSTILE_NPC_PRESETS_BY_WORLD[resolvedWorldType];
}

export const getMonsterPresetsByWorld = getHostileNpcPresetsByWorld;

export function getHostileNpcPresetOverrideById(monsterId: string) {
  return HOSTILE_NPC_OVERRIDES[monsterId] ?? null;
}

function inferRuntimePlanFromLootItem(
  item: InventoryItem,
  context: ReturnType<typeof buildRuntimeItemGenerationContext>,
  index: number,
): RuntimeItemPlan {
  const normalizedBuildTags = normalizeBuildTags(item.tags, 3);
  const targetBuildDirection = normalizedBuildTags.length > 0
    ? normalizedBuildTags
    : normalizeBuildTags(context.playerBuildTags, 3);

  return {
    slot: item.rarity === 'epic' || item.rarity === 'legendary'
      ? 'primary'
      : index === 0
        ? 'secondary'
        : 'support',
    itemKind: item.category === '武器' || item.category === '护甲'
      ? 'equipment'
      : item.category === '消耗品' || item.tags.includes('consumable') || item.tags.includes('healing') || item.tags.includes('mana')
        ? 'consumable'
        : item.category === '材料' || item.tags.includes('material')
          ? 'material'
          : item.category === '专属品' || item.category === '专属物' || item.category === '专属物品'
            ? 'quest'
            : 'relic',
    permanence: item.category === '材料'
      ? 'resource'
      : item.category === '消耗品'
        ? 'timed'
        : 'permanent',
    narrativeWeight: item.rarity === 'epic' || item.rarity === 'legendary' ? 'heavy' : 'medium',
    targetBuildDirection: targetBuildDirection.length > 0 ? targetBuildDirection : ['均衡'],
    relationAnchor: context.encounter?.monsterPresetId
      ? {
          type: 'monster' as const,
          monsterId: context.encounter.monsterPresetId,
          monsterName: context.encounter.npcName,
        }
      : context.encounterNpcName
        ? {
            type: 'npc' as const,
            npcId: context.encounterNpcId ?? undefined,
            npcName: context.encounterNpcName,
            roleText: context.encounterContextText ?? undefined,
          }
        : {
            type: 'scene' as const,
            sceneId: context.sceneId ?? undefined,
            sceneName: context.sceneName ?? '战场余烬',
          },
  } satisfies RuntimeItemPlan;
}

async function decoratePresetLootWithNarrative(
  items: InventoryItem[],
  context: ReturnType<typeof buildRuntimeItemGenerationContext>,
  seedKeyPrefix: string,
) {
  if (items.length <= 0) return items;

  const plans = items.map((item, index) => inferRuntimePlanFromLootItem(item, context, index));
  const fallbackIntents = plans.map(plan => buildRuntimeItemAiIntent(context, plan));
  let intents = fallbackIntents;

  try {
    intents = await generateRuntimeItemAiIntents({
      context,
      plans,
    });
  } catch (error) {
    console.warn('[HostileNpcPresets] preset loot narrative fallback', error);
  }

  return items.map((item, index) =>
    applyRuntimeItemNarrativeToExistingItem({
      item: {
        ...item,
        runtimeMetadata: {
          origin: 'procedural',
          generationChannel: 'monster_drop',
          relationAnchor: plans[index]!.relationAnchor,
          seedKey: `${seedKeyPrefix}:preset:${index}`,
          sourceReason: intents[index]!.reasonToAppear,
        },
      },
      context,
      plan: plans[index]!,
      intent: intents[index]!,
      preserveName: true,
    }),
  );
}

export async function rollHostileNpcLoot(
  state: GameState,
  defeatedHostileNpcs: Array<Pick<SceneHostileNpc, 'id' | 'name'>>,
) {
  if (!state.worldType) return [];

  if (state.worldType === WorldType.CUSTOM) {
    return defeatedHostileNpcs.flatMap(monster => buildRuntimeCustomWorldInventoryItems(
      `monster-loot:${monster.id}:${monster.name}`,
      {
        count: 2,
        categories: ['材料', '消耗品', '稀有品', '专属品'],
      },
    ));
  }

  const rewardBatches = await Promise.all(defeatedHostileNpcs.map(async monster => {
    const preset = getHostileNpcPresetById(state.worldType!, monster.id);
    const presetLoot = preset
      ? preset.lootTable
          .filter(entry => Math.random() <= entry.dropRate)
          .map(entry => ({
            ...entry.item,
          }))
      : [];
    const context = buildRuntimeItemGenerationContext({
      state,
      generationChannel: 'monster_drop',
      encounter: {
        id: monster.id,
        kind: 'npc',
        npcName: monster.name,
        npcDescription: `${monster.name}倒下后留下的战利痕迹。`,
        npcAvatar: '',
        context: state.currentScenePreset?.name ?? '战场余烬',
        monsterPresetId: monster.id,
      },
    });
    const seedKey = `monster-loot:${monster.id}:${monster.name}:${state.currentScenePreset?.id ?? 'scene'}`;
    const [decoratedPresetLoot, directedReward] = await Promise.all([
      decoratePresetLootWithNarrative(presetLoot, context, seedKey),
      generateDirectedRuntimeReward(context, {
        seedKey,
        itemCount: 2,
        fixedKinds: ['material', 'consumable'],
        fixedPermanence: ['resource', 'timed'],
      }),
    ]);
    const runtimeItems = flattenDirectedRuntimeRewardItems(directedReward);
    return [...decoratedPresetLoot, ...runtimeItems];
  }));

  return rewardBatches.flat();
}