import { Component } from '../core/Component.js';

export class Inventory extends Component {
  constructor() {
    super('Inventory');
    this.items = []; // Array of item objects
    this.maxSize = 20;
    this.equipped = {
      weapon: null,
      armor: null,
      accessory: null
    };
  }

  /**
     * Add an item to inventory
     */
  addItem(item) {
    if (this.items.length < this.maxSize) {
      this.items.push(item);
      return true;
    }
    return false;
  }

  /**
     * Remove an item
     */
  removeItem(itemId) {
    const index = this.items.findIndex(item => item.id === itemId);
    if (index > -1) {
      return this.items.splice(index, 1)[0];
    }
    return null;
  }

  /**
     * Equip an item
     */
  equipItem(itemId, slot) {
    const item = this.items.find(i => i.id === itemId);
    if (!item) return false;
        
    // Unequip current item in slot
    if (this.equipped[slot]) {
      this.items.push(this.equipped[slot]);
    }
        
    // Equip new item
    this.equipped[slot] = item;
    const index = this.items.indexOf(item);
    if (index > -1) {
      this.items.splice(index, 1);
    }
        
    return true;
  }

  /**
     * Unequip an item
     */
  unequipItem(slot) {
    if (this.equipped[slot]) {
      this.items.push(this.equipped[slot]);
      this.equipped[slot] = null;
      return true;
    }
    return false;
  }
}