feat(economy): add inventory command to display user inventory with balance and equipment

src/commands/messages/game/inventario.ts

@@ -0,0 +1,124 @@
+import type { CommandMessage } from '../../../core/types/commands';
+import type Amayo from '../../../core/client';
+import { prisma } from '../../../core/database/prisma';
+import { getOrCreateWallet } from '../../../game/economy/service';
+import { getEquipment, getEffectiveStats } from '../../../game/combat/equipmentService';
+import type { ItemProps } from '../../../game/economy/types';
+
+const PAGE_SIZE = 15;
+
+function parseItemProps(json: unknown): ItemProps {
+  if (!json || typeof json !== 'object') return {};
+  return json as ItemProps;
+}
+
+function fmtTool(props: ItemProps) {
+  const t = props.tool;
+  if (!t) return '';
+  const icon = t.type === 'pickaxe' ? '⛏️' : t.type === 'rod' ? '🎣' : t.type === 'sword' ? '🗡️' : t.type === 'bow' ? '🏹' : t.type === 'halberd' ? '⚔️' : t.type === 'net' ? '🕸️' : '🔧';
+  const tier = t.tier != null ? ` t${t.tier}` : '';
+  return `${icon}${tier}`;
+}
+
+function fmtStats(props: ItemProps) {
+  const parts: string[] = [];
+  if (typeof props.damage === 'number' && props.damage > 0) parts.push(`atk+${props.damage}`);
+  if (typeof props.defense === 'number' && props.defense > 0) parts.push(`def+${props.defense}`);
+  if (typeof props.maxHpBonus === 'number' && props.maxHpBonus > 0) parts.push(`hp+${props.maxHpBonus}`);
+  return parts.length ? ` (${parts.join(' ')})` : '';
+}
+
+export const command: CommandMessage = {
+  name: 'inventario',
+  type: 'message',
+  aliases: ['inv'],
+  cooldown: 3,
+  description: 'Muestra tu inventario por servidor, con saldo y equipo. Usa "inv <página>" o "inv <filtro|itemKey>".',
+  usage: 'inventario [página|filtro|itemKey]',
+  run: async (message, args, _client: Amayo) => {
+    const userId = message.author.id;
+    const guildId = message.guild!.id;
+
+    const wallet = await getOrCreateWallet(userId, guildId);
+    const { weapon, armor, cape } = await getEquipment(userId, guildId);
+    const stats = await getEffectiveStats(userId, guildId);
+
+    const arg = args[0]?.trim();
+    const asPage = arg && /^\d+$/.test(arg) ? Math.max(1, parseInt(arg, 10)) : 1;
+    const filter = arg && !/^\d+$/.test(arg) ? arg.toLowerCase() : '';
+
+    // detalle exacto si coincide completamente una key
+    let detailKey: string | null = null;
+    if (filter) detailKey = filter; // intentaremos exact match primero
+
+    if (detailKey) {
+      const itemRow = await prisma.economyItem.findFirst({ where: { key: detailKey, OR: [{ guildId }, { guildId: null }] }, orderBy: [{ guildId: 'desc' }] });
+      if (itemRow) {
+        const inv = await prisma.inventoryEntry.findUnique({ where: { userId_guildId_itemId: { userId, guildId, itemId: itemRow.id } } });
+        const qty = inv?.quantity ?? 0;
+        const props = parseItemProps(itemRow.props);
+        const tool = fmtTool(props);
+        const st = fmtStats(props);
+        const tags = (itemRow.tags || []).join(', ');
+        await message.reply([
+          `📦 ${itemRow.name || itemRow.key} — x${qty}`,
+          `Key: ${itemRow.key}`,
+          itemRow.category ? `Categoría: ${itemRow.category}` : '',
+          tags ? `Tags: ${tags}` : '',
+          tool ? `Herramienta: ${tool}` : '',
+          st ? `Bonos: ${st}` : '',
+          props.craftingOnly ? 'Solo crafteo' : '',
+        ].filter(Boolean).join('\n'));
+        return;
+      }
+    }
+
+    // listado paginado
+    const whereInv = { userId, guildId, quantity: { gt: 0 } } as const;
+    const all = await prisma.inventoryEntry.findMany({ where: whereInv, include: { item: true } });
+    const filtered = filter
+      ? all.filter(e => e.item.key.toLowerCase().includes(filter) || (e.item.name ?? '').toLowerCase().includes(filter))
+      : all;
+
+    const total = filtered.length;
+    const totalPages = Math.max(1, Math.ceil(total / PAGE_SIZE));
+    const page = Math.min(asPage, totalPages);
+    const start = (page - 1) * PAGE_SIZE;
+    const pageItems = filtered
+      .sort((a, b) => (b.quantity - a.quantity) || a.item.key.localeCompare(b.item.key))
+      .slice(start, start + PAGE_SIZE);
+
+    const lines: string[] = [];
+    // header con saldo y equipo
+    lines.push(`💰 Monedas: ${wallet.coins}`);
+    const gear: string[] = [];
+    if (weapon) gear.push(`🗡️ ${weapon.key}`);
+    if (armor) gear.push(`🛡️ ${armor.key}`);
+    if (cape) gear.push(`🧥 ${cape.key}`);
+    if (gear.length) lines.push(`🧰 Equipo: ${gear.join(' · ')}`);
+    lines.push(`❤️ HP: ${stats.hp}/${stats.maxHp} · ⚔️ ATK: ${stats.damage} · 🛡️ DEF: ${stats.defense}`);
+
+    if (!pageItems.length) {
+      lines.push(filter ? `No hay ítems que coincidan con "${filter}".` : 'No tienes ítems en tu inventario.');
+      await message.reply(lines.join('\n'));
+      return;
+    }
+
+    lines.push(`\n📦 Inventario (página ${page}/${totalPages}${filter ? `, filtro: ${filter}` : ''})`);
+
+    for (const e of pageItems) {
+      const p = parseItemProps(e.item.props);
+      const tool = fmtTool(p);
+      const st = fmtStats(p);
+      const name = e.item.name || e.item.key;
+      lines.push(`• ${name} — x${e.quantity}${tool ? ` ${tool}` : ''}${st}`);
+    }
+
+    if (totalPages > 1) {
+      lines.push(`\nUsa: \`!inv ${filter ? `${page+1} ${filter}` : page+1}\` para la siguiente página.`);
+    }
+
+    await message.reply(lines.join('\n'));
+  }
+};
+