/**
 * 制造配方配置
 * 支持武器、防具、消耗品、特殊道具的制造
 */

import { ITEM_CONFIG } from './items.js'
import { getItemCount } from '@/utils/itemSystem.js'

/**
 * 配方类型枚举
 */
export const RECIPE_TYPES = {
  WEAPON: 'weapon',       // 武器
  ARMOR: 'armor',         // 防具
  SHIELD: 'shield',       // 盾牌
  CONSUMABLE: 'consumable', // 消耗品
  SPECIAL: 'special'       // 特殊道具
}

/**
 * 配方配置
 * 每个配方包含：
 * - id: 配方ID
 * - type: 配方类型
 * - resultItem: 产出物品ID
 * - resultCount: 产出数量
 * - materials: 材料需求列表
 * - requiredSkill: 所需技能ID
 * - requiredSkillLevel: 所需技能等级
 * - baseTime: 基础制造时间（秒）
 * - baseSuccessRate: 基础成功率
 * - unlockCondition: 解锁条件（可选）
 */
export const RECIPE_CONFIG = {
  // ===== 武器配方 =====
  wooden_club: {
    id: 'wooden_club',
    type: RECIPE_TYPES.WEAPON,
    resultItem: 'wooden_club',
    resultCount: 1,
    materials: [
      { itemId: 'dog_skin', count: 2 }
    ],
    requiredSkill: 'club_mastery',
    requiredSkillLevel: 1,
    baseTime: 30,
    baseSuccessRate: 0.95
  },

  stone_axe: {
    id: 'stone_axe',
    type: RECIPE_TYPES.WEAPON,
    resultItem: 'stone_axe',
    resultCount: 1,
    materials: [
      { itemId: 'iron_ore', count: 3 },
      { itemId: 'leather', count: 1 }
    ],
    requiredSkill: 'axe_mastery',
    requiredSkillLevel: 1,
    baseTime: 60,
    baseSuccessRate: 0.85
  },

  hunter_bow: {
    id: 'hunter_bow',
    type: RECIPE_TYPES.WEAPON,
    resultItem: 'hunter_bow',
    resultCount: 1,
    materials: [
      { itemId: 'dog_skin', count: 3 },
      { itemId: 'leather', count: 2 }
    ],
    requiredSkill: 'archery',
    requiredSkillLevel: 3,
    baseTime: 120,
    baseSuccessRate: 0.80
  },

  iron_sword: {
    id: 'iron_sword',
    type: RECIPE_TYPES.WEAPON,
    resultItem: 'iron_sword',
    resultCount: 1,
    materials: [
      { itemId: 'iron_ore', count: 5 },
      { itemId: 'leather', count: 2 }
    ],
    requiredSkill: 'sword_mastery',
    requiredSkillLevel: 5,
    baseTime: 180,
    baseSuccessRate: 0.75,
    unlockCondition: {
      type: 'skill',
      skillId: 'crafting',
      level: 3
    }
  },

  // ===== 防具配方 =====
  leather_armor: {
    id: 'leather_armor',
    type: RECIPE_TYPES.ARMOR,
    resultItem: 'leather_armor',
    resultCount: 1,
    materials: [
      { itemId: 'leather', count: 5 }
    ],
    requiredSkill: 'crafting',
    requiredSkillLevel: 1,
    baseTime: 60,
    baseSuccessRate: 0.90
  },

  wooden_shield: {
    id: 'wooden_shield',
    type: RECIPE_TYPES.SHIELD,
    resultItem: 'wooden_shield',
    resultCount: 1,
    materials: [
      { itemId: 'leather', count: 2 },
      { itemId: 'dog_skin', count: 2 }
    ],
    requiredSkill: 'crafting',
    requiredSkillLevel: 2,
    baseTime: 45,
    baseSuccessRate: 0.92
  },

  iron_shield: {
    id: 'iron_shield',
    type: RECIPE_TYPES.SHIELD,
    resultItem: 'iron_shield',
    resultCount: 1,
    materials: [
      { itemId: 'iron_ore', count: 8 },
      { itemId: 'leather', count: 3 }
    ],
    requiredSkill: 'crafting',
    requiredSkillLevel: 5,
    baseTime: 120,
    baseSuccessRate: 0.75
  },

  // ===== 消耗品配方 =====
  bandage: {
    id: 'bandage',
    type: RECIPE_TYPES.CONSUMABLE,
    resultItem: 'bandage',
    resultCount: 3,
    materials: [
      { itemId: 'dog_skin', count: 2 }
    ],
    requiredSkill: 'crafting',
    requiredSkillLevel: 1,
    baseTime: 15,
    baseSuccessRate: 0.98
  },

  health_potion_small: {
    id: 'health_potion_small',
    type: RECIPE_TYPES.CONSUMABLE,
    resultItem: 'health_potion_small',
    resultCount: 1,
    materials: [
      { itemId: 'healing_herb', count: 3 }
    ],
    requiredSkill: 'herbalism',
    requiredSkillLevel: 2,
    baseTime: 30,
    baseSuccessRate: 0.90
  },

  health_potion: {
    id: 'health_potion',
    type: RECIPE_TYPES.CONSUMABLE,
    resultItem: 'health_potion',
    resultCount: 1,
    materials: [
      { itemId: 'healing_herb', count: 5 },
      { itemId: 'bandage', count: 1 }
    ],
    requiredSkill: 'herbalism',
    requiredSkillLevel: 5,
    baseTime: 60,
    baseSuccessRate: 0.80
  },

  // ===== 特殊道具 =====
  bomb: {
    id: 'bomb',
    type: RECIPE_TYPES.SPECIAL,
    resultItem: 'bomb',
    resultCount: 1,
    materials: [
      { itemId: 'iron_ore', count: 3 },
      { itemId: 'bat_wing', count: 2 }
    ],
    requiredSkill: 'crafting',
    requiredSkillLevel: 5,
    baseTime: 90,
    baseSuccessRate: 0.75
  },

  // 炸弹堆（一次制造多个）
  bomb_batch: {
    id: 'bomb_batch',
    type: RECIPE_TYPES.SPECIAL,
    resultItem: 'bomb',
    resultCount: 3,
    materials: [
      { itemId: 'iron_ore', count: 8 },
      { itemId: 'bat_wing', count: 5 }
    ],
    requiredSkill: 'crafting',
    requiredSkillLevel: 8,
    baseTime: 200,
    baseSuccessRate: 0.70
  },

  // ===== 剧情道具 =====
  mystic_key: {
    id: 'mystic_key',
    type: RECIPE_TYPES.SPECIAL,
    resultItem: 'mystic_key',
    resultCount: 1,
    materials: [
      { itemId: 'rare_gem', count: 1 },
      { itemId: 'iron_ore', count: 10 }
    ],
    requiredSkill: 'crafting',
    requiredSkillLevel: 10,
    baseTime: 300,
    baseSuccessRate: 0.50,
    unlockCondition: {
      type: 'quest',
      flag: 'found_mystic_recipe'
    }
  }
}

/**
 * 获取所有配方
 * @returns {Array} 配方列表
 */
export function getAllRecipes() {
  return Object.values(RECIPE_CONFIG)
}

/**
 * 获取指定类型的配方
 * @param {String} type - 配方类型
 * @returns {Array} 配方列表
 */
export function getRecipesByType(type) {
  return Object.values(RECIPE_CONFIG).filter(recipe => recipe.type === type)
}

/**
 * 获取玩家可制作的配方
 * @param {Object} playerStore - 玩家Store
 * @returns {Array} 可制作的配方列表
 */
export function getAvailableRecipes(playerStore) {
  return Object.values(RECIPE_CONFIG)
    .filter(recipe => {
      // 检查技能要求
      if (recipe.requiredSkill) {
        const skill = playerStore.skills?.[recipe.requiredSkill]
        if (!skill || !skill.unlocked) return false
        if (skill.level < recipe.requiredSkillLevel) return false
      }

      // 检查解锁条件
      if (recipe.unlockCondition) {
        if (recipe.unlockCondition.type === 'skill') {
          const skill = playerStore.skills?.[recipe.unlockCondition.skillId]
          if (!skill || skill.level < recipe.unlockCondition.level) return false
        } else if (recipe.unlockCondition.type === 'quest') {
          if (!playerStore.flags?.[recipe.unlockCondition.flag]) return false
        }
      }

      return true
    })
    .map(recipe => ({
      ...recipe,
      canCraft: true,
      displayName: ITEM_CONFIG[recipe.resultItem]?.name || recipe.resultItem,
      displayIcon: ITEM_CONFIG[recipe.resultItem]?.icon || '📦'
    }))
}

/**
 * 获取配方信息
 * @param {String} recipeId - 配方ID
 * @returns {Object|null} 配方信息
 */
export function getRecipe(recipeId) {
  return RECIPE_CONFIG[recipeId] || null
}

/**
 * 检查是否可以制造（材料是否足够）
 * @param {Object} playerStore - 玩家Store
 * @param {Object} recipe - 配方对象
 * @returns {Object} { canCraft: boolean, missingMaterials: Array }
 */
export function checkMaterials(playerStore, recipe) {
  const missing = []

  for (const material of recipe.materials) {
    const itemCount = getItemCount(playerStore, material.itemId)
    if (itemCount < material.count) {
      const itemConfig = ITEM_CONFIG[material.itemId]
      missing.push({
        itemId: material.itemId,
        itemName: itemConfig?.name || material.itemId,
        need: material.count,
        have: itemCount
      })
    }
  }

  return {
    canCraft: missing.length === 0,
    missingMaterials: missing
  }
}

/**
 * 配方分类配置
 */
export const RECIPE_CATEGORIES = {
  weapon: { id: 'weapon', name: '武器', icon: '⚔️' },
  armor: { id: 'armor', name: '防具', icon: '🛡️' },
  shield: { id: 'shield', name: '盾牌', icon: '🛡️' },
  consumable: { id: 'consumable', name: '消耗品', icon: '🧪' },
  special: { id: 'special', name: '特殊', icon: '✨' }
}