/**
 * DumpInventoryState - Dump inventory into nearby containers
 * Keeps fuel items, dumps everything else
 */
import { BaseState } from './BaseState.js';

const KEEP_ITEMS = new Set([
  'minecraft:coal', 'minecraft:charcoal', 'minecraft:coal_block',
  'minecraft:torch', 'minecraft:lava_bucket',
]);

export class DumpInventoryState extends BaseState {
  constructor(turtle, data = {}) {
    super(turtle, data);
    this.returnState = data.returnState || null;
    this.returnData = data.returnData || {};
  }

  get name() {
    return 'dumping';
  }

  get description() {
    return 'Dumping inventory';
  }

  async *act() {
    console.log(`[${this.turtle.id}] Starting inventory dump`);

    // Try to dump into containers in all directions
    const keepItems = [...KEEP_ITEMS].map(n => `"${n}"`).join(', ');
    
    const result = await this.exec(`
      local keepItems = {${keepItems}}
      local keepSet = {}
      for _, name in ipairs(keepItems) do keepSet[name] = true end
      
      local dropFns = {
        turtle.drop,
        turtle.dropUp,
        turtle.dropDown,
      }
      
      local dumpedCount = 0
      
      -- Try each direction
      for _, dropFn in ipairs(dropFns) do
        for slot = 1, 16 do
          local item = turtle.getItemDetail(slot)
          if item and not keepSet[item.name] then
            turtle.select(slot)
            if dropFn() then
              dumpedCount = dumpedCount + item.count
            end
          end
        end
      end
      
      turtle.select(1)
      return {dumped = dumpedCount}
    `);

    if (result) {
      console.log(`[${this.turtle.id}] Dumped ${result.dumped} items`);
    }

    yield;

    // Update inventory after dumping
    await this.getInventory();

    // Transition to next state
    if (this.returnState) {
      this.turtle.setState(this.returnState, this.returnData);
    } else {
      this.turtle.setState('idle');
    }
  }

  getRecoveryData() {
    return {
      ...super.getRecoveryData(),
      data: {
        returnState: this.returnState,
        returnData: this.returnData,
      },
    };
  }
}