// states/Idle.js
const { getBot } = require('../core/context');
const { GoalNear } = require('mineflayer-pathfinder').goals;
const { getHomeZone } = require('../memory/locations');
const db = require('../db');

module.exports = async function Idle() {
  const bot = getBot();
  console.log('[STATE] Idle');

  getHomeZone(db, async (err, zone) => {
    const fallbackCenter = { x: 100, y: 64, z: 100 };
    const fallbackBounds = { x: 20, y: 10, z: 20 };

    const center = zone?.center || fallbackCenter;
    const bounds = zone?.bounds || fallbackBounds;
    const safeRadius = Math.min(bounds.x, bounds.z);

    const actionRoll = Math.floor(Math.random() * 3);

    if (actionRoll === 0) {
      const grass = bot.findBlock({
        matching: block => block.name === 'tall_grass',
        maxDistance: safeRadius
      });

      if (grass) {
        await bot.pathfinder.setGoal(new GoalNear(grass.position.x, grass.position.y, grass.position.z, 1));
        try {
          await bot.dig(grass);
          bot.chat("Trimming grass.");
        } catch {}
      }

    } else if (actionRoll === 1) {
      const crops = bot.findBlocks({
        matching: block => ['wheat', 'carrots', 'potatoes'].includes(block.name),
        maxDistance: safeRadius,
        count: 5
      });

      for (const pos of crops) {
        const crop = bot.blockAt(pos);
        if (crop.metadata === 7) {
          await bot.pathfinder.setGoal(new GoalNear(pos.x, pos.y, pos.z, 1));
          try {
            await bot.dig(crop);
            bot.chat("Harvesting a crop.");
            // TODO: Replanting logic needs to be added here.  This might be a state or a task.. not sure yet.
          } catch {}
          break;
        }
      }

    } else {
      const mob = Object.values(bot.entities).find(e =>
        e.type === 'mob' &&
        e.position.distanceTo(bot.entity.position) <= safeRadius &&
        e.username !== bot.username
      );

      if (mob) {
        bot.chat(`Engaging ${mob.name}.`);
        bot.attack(mob);
      } else {
        const dx = Math.floor(Math.random() * safeRadius * 2 - safeRadius);
        const dz = Math.floor(Math.random() * safeRadius * 2 - safeRadius);
        const pos = bot.entity.position.offset(dx, 0, dz);
        bot.pathfinder.setGoal(new GoalNear(pos.x, pos.y, pos.z, 1));
      }
    }
  });
};