// ─── Fabricator Recipes ──────────────────────────────────────────────────────
// Crafting recipes for the Fabricator attunement.
// Each recipe is tied to a mana type the player has unlocked.

import type { EquipmentSlot } from './equipment/types';

export interface FabricatorRecipe {
  id: string;
  name: string;
  description: string;
  /** Mana type required to craft this recipe (must be unlocked) */
  manaType: string;
  /** Equipment type ID produced */
  equipmentTypeId: string;
  /** Which slot the resulting equipment occupies */
  slot: EquipmentSlot;
  /** Materials required: materialId -> count */
  materials: Record<string, number>;
  /** Mana cost in the recipe's mana type */
  manaCost: number;
  /** Craft time in hours */
  craftTime: number;
  /** Rarity tier */
  rarity: 'common' | 'uncommon' | 'rare' | 'epic' | 'legendary';
  /** Flavor text describing the gear's properties */
  gearTrait: string;
}

export const FABRICATOR_RECIPES: FabricatorRecipe[] = [
  // ─── Earth Gear (Compacted Earth — high defense) ──────────────────────
  {
    id: 'earthHelm',
    name: 'Earthen Helm',
    description: 'A sturdy helm carved from compacted stone.',
    manaType: 'earth',
    equipmentTypeId: 'wizardHat',
    slot: 'head',
    materials: { manaCrystalDust: 4, arcaneShard: 2 },
    manaCost: 200,
    craftTime: 3,
    rarity: 'uncommon',
    gearTrait: '+15% physical resistance',
  },
  {
    id: 'earthChest',
    name: 'Stoneguard Armor',
    description: 'Heavy stone plates layered over leather. Slow but nearly impenetrable.',
    manaType: 'earth',
    equipmentTypeId: 'scholarRobe',
    slot: 'body',
    materials: { manaCrystalDust: 8, arcaneShard: 4, elementalCore: 1 },
    manaCost: 500,
    craftTime: 6,
    rarity: 'rare',
    gearTrait: '+25% physical resistance, -10% cast speed',
  },
  {
    id: 'earthBoots',
    name: 'Stonegreaves',
    description: 'Boots reinforced with compacted earth. Firm footing in any battle.',
    manaType: 'earth',
    equipmentTypeId: 'travelerBoots',
    slot: 'feet',
    materials: { manaCrystalDust: 3, arcaneShard: 1 },
    manaCost: 150,
    craftTime: 2,
    rarity: 'uncommon',
    gearTrait: '+10% physical resistance',
  },

  // ─── Metal Gear (Fire+Earth — balanced offense/defense) ──────────────
  {
    id: 'metalBlade',
    name: 'Metal Blade',
    description: 'A blade forged from condensed metal mana. Sharp and durable.',
    manaType: 'metal',
    equipmentTypeId: 'steelBlade',
    slot: 'mainHand',
    materials: { manaCrystalDust: 6, arcaneShard: 3, elementalCore: 2 },
    manaCost: 400,
    craftTime: 5,
    rarity: 'rare',
    gearTrait: '+20% damage, +10% durability',
  },
  {
    id: 'metalShield',
    name: 'Metal Kite Shield',
    description: 'A polished metal shield. Reliable protection without excessive weight.',
    manaType: 'metal',
    equipmentTypeId: 'runicShield',
    slot: 'offHand',
    materials: { manaCrystalDust: 7, arcaneShard: 4, elementalCore: 1 },
    manaCost: 450,
    craftTime: 5,
    rarity: 'rare',
    gearTrait: '+20% block chance',
  },
  {
    id: 'metalGloves',
    name: 'Metalweave Gauntlets',
    description: 'Gauntlets woven with metal mana threads. Protective yet dexterous.',
    manaType: 'metal',
    equipmentTypeId: 'spellweaveGloves',
    slot: 'hands',
    materials: { manaCrystalDust: 4, arcaneShard: 2 },
    manaCost: 250,
    craftTime: 3,
    rarity: 'uncommon',
    gearTrait: '+10% damage, +10% physical resistance',
  },

  // ─── Crystal Gear (Sand+Sand+Light — high enchantment capacity) ──────
  {
    id: 'crystalWand',
    name: 'Crystal Focus Wand',
    description: 'A wand with a pure crystal core. Exceptional mana conductivity.',
    manaType: 'crystal',
    equipmentTypeId: 'crystalWand',
    slot: 'mainHand',
    materials: { manaCrystalDust: 10, arcaneShard: 5, elementalCore: 3 },
    manaCost: 600,
    craftTime: 6,
    rarity: 'epic',
    gearTrait: '+40% enchantment capacity',
  },
  {
    id: 'crystalRing',
    name: 'Crystal Ring',
    description: 'A ring set with a mana crystal. Amplifies enchantment effects.',
    manaType: 'crystal',
    equipmentTypeId: 'silverRing',
    slot: 'accessory1',
    materials: { manaCrystalDust: 5, arcaneShard: 3, elementalCore: 1 },
    manaCost: 350,
    craftTime: 3,
    rarity: 'rare',
    gearTrait: '+15% enchantment capacity',
  },
  {
    id: 'crystalAmulet',
    name: 'Crystal Pendant',
    description: 'An amulet housing a crystal shard. Enhances all enchantments worn.',
    manaType: 'crystal',
    equipmentTypeId: 'silverAmulet',
    slot: 'accessory2',
    materials: { manaCrystalDust: 6, arcaneShard: 3, elementalCore: 2 },
    manaCost: 400,
    craftTime: 4,
    rarity: 'rare',
    gearTrait: '+10% all enchantment effects',
  },

  // ─── Sand Gear (Earth+Water — lightweight, agile) ────────────────────
  {
    id: 'sandBoots',
    name: 'Sandstrider Boots',
    description: 'Boots infused with sand mana. Light as air, silent as dust.',
    manaType: 'sand',
    equipmentTypeId: 'travelerBoots',
    slot: 'feet',
    materials: { manaCrystalDust: 3, arcaneShard: 1 },
    manaCost: 120,
    craftTime: 2,
    rarity: 'uncommon',
    gearTrait: '+15% cast speed, +10% evasion',
  },
  {
    id: 'sandGloves',
    name: 'Sandweave Gloves',
    description: 'Gloves woven from sand mana. Nimble fingers for delicate enchanting.',
    manaType: 'sand',
    equipmentTypeId: 'spellweaveGloves',
    slot: 'hands',
    materials: { manaCrystalDust: 3, arcaneShard: 2 },
    manaCost: 140,
    craftTime: 2,
    rarity: 'uncommon',
    gearTrait: '+10% cast speed',
  },
  {
    id: 'sandVest',
    name: 'Sandcloth Vest',
    description: 'A light vest woven from sand mana. Offers minimal protection but maximum mobility.',
    manaType: 'sand',
    equipmentTypeId: 'scholarRobe',
    slot: 'body',
    materials: { manaCrystalDust: 5, arcaneShard: 2, elementalCore: 1 },
    manaCost: 300,
    craftTime: 4,
    rarity: 'rare',
    gearTrait: '+20% cast speed, +5% evasion',
  },
];

// ─── Helpers ──────────────────────────────────────────────────────────────────

export function getRecipesByManaType(manaType: string): FabricatorRecipe[] {
  return FABRICATOR_RECIPES.filter(r => r.manaType === manaType);
}

export function getRecipeById(id: string): FabricatorRecipe | undefined {
  return FABRICATOR_RECIPES.find(r => r.id === id);
}

export function canCraftRecipe(
  recipe: FabricatorRecipe,
  materials: Record<string, number>,
  manaAmount: number,
  manaType?: string,
): { canCraft: boolean; missingMaterials: Record<string, number>; missingMana: number } {
  const missingMaterials: Record<string, number> = {};
  let canCraft = true;

  for (const [matId, required] of Object.entries(recipe.materials)) {
    const available = materials[matId] || 0;
    if (available < required) {
      missingMaterials[matId] = required - available;
      canCraft = false;
    }
  }

  // If manaType is provided, manaAmount is already the correct pool value.
  // Otherwise fall back to treating manaAmount as raw mana (backward compat).
  const effectiveManaType = manaType ?? recipe.manaType;
  const missingMana = Math.max(0, recipe.manaCost - manaAmount);
  if (missingMana > 0) {
    canCraft = false;
  }

  return { canCraft, missingMaterials, missingMana };
}