const { getBot } = require('../core/context');
const { saveMemory, getMemory } = require('../memory');
const db = require('../db');

const INTERESTING_BLOCKS = [
  'coal_ore', 'iron_ore', 'diamond_ore', 'gold_ore', 'emerald_ore',
  'redstone_ore', 'lapis_ore', 'copper_ore',
  'oak_log', 'birch_log', 'spruce_log',
  'crafting_table', 'furnace', 'chest', 'anvil',
  'enchanting_table', 'lectern', 'bell',
  'bed', 'beacon', 'portal'
];

const COOLDOWN_MINUTES = 5;

// Wrap getMemory in a Promise for async/await
function getMemoryAsync(db, label) {
  return new Promise((resolve, reject) => {
    getMemory(db, label, (err, data) => {
      if (err) return reject(err);
      resolve(data);
    });
  });
}

module.exports = async function logSurroundings() {
  const bot = getBot();
  if (!bot) return;

  const found = bot.findBlocks({
    matching: block => INTERESTING_BLOCKS.includes(block.name),
    maxDistance: 12,
    count: 10
  });

  const now = Date.now();
  const observedTypes = new Set();
  const chatSummary = {};

  for (const pos of found) {
    const block = bot.blockAt(pos);
    if (!block || !block.name) continue;

    const label = `found:${block.name}:${pos.x},${pos.y},${pos.z}`;
    const memoryData = {
      name: block.name,
      position: pos,
      timestamp: now
    };

    // Save exact block location if it's not already recorded
    db.get(`SELECT id FROM memory WHERE label = ?`, [label], (err, row) => {
      if (!err && !row) saveMemory(db, label, memoryData);
    });

    if (!observedTypes.has(block.name)) {
      observedTypes.add(block.name);

      const typeLabel = `recent:${block.name}`;
      try {
        const memory = await getMemoryAsync(db, typeLabel);
        const age = memory ? (now - memory.lastSeen) / 60000 : Infinity;

        if (age >= COOLDOWN_MINUTES) {
          await saveMemory(db, typeLabel, { lastSeen: now });
          chatSummary[block.name] = (chatSummary[block.name] || 0) + 1;
        }
      } catch (err) {
        await saveMemory(db, typeLabel, { lastSeen: now });
        chatSummary[block.name] = (chatSummary[block.name] || 0) + 1;
      }
    }
  }

  const entries = Object.entries(chatSummary);
  if (entries.length > 0) {
    const summary = entries
      .map(([name, count]) => `${count} ${name.replace(/_/g, ' ')}`)
      .join(', ');
    bot.chat(`I noticed: ${summary}`);
  }
};