// ═══════════════════════════════════════
// 铸渊工程Agent · HLDP大脑记录器
// 记录认知推理链，而非流水账
// ═══════════════════════════════════════

const fs = require("fs");
const path = require("path");

const AGENT_ID = process.env.AGENT_ID || "ICE-GL-BD001";
const TERRITORY = path.join(__dirname, "..", "agents", AGENT_ID.replace("ICE-GL-BD", "BD"));

if (!fs.existsSync(TERRITORY)) {
  console.warn("[BrainWriter] 领地不存在: " + TERRITORY + " · 将不写入认知记录");
}

/**
 * 写入一条认知记录
 */
function record(taskId, entry) {
  if (!fs.existsSync(TERRITORY)) return;

  const file = path.join(TERRITORY, "brain", "cognitive-record.hldp");
  const lines = [
    "",
    "@task: " + taskId,
    "@time: " + new Date().toISOString(),
    "@input: " + (entry.input || ""),
    "@decision: " + (entry.decision || ""),
    "@execution: " + (entry.execution || ""),
    "@failure: " + (entry.failure || "无"),
    "@reasoning: " + (entry.reasoning || ""),
    "@fix: " + (entry.fix || ""),
    "@learned: " + (entry.learned || ""),
    "@confidence: " + (entry.confidence || "N/A"),
    "@new_knowledge: " + (entry.new_knowledge ? "true" : "false")
  ];

  fs.appendFileSync(file, lines.join("\n") + "\n", "utf-8");
}

/**
 * 记录错误模式
 */
function recordErrorPattern(pattern) {
  if (!fs.existsSync(TERRITORY)) return;
  const file = path.join(TERRITORY, "memory", "error-patterns.json");
  const data = JSON.parse(fs.readFileSync(file, "utf-8"));

  // 检查是否已有同类模式
  const existing = data.patterns.find(p => p.type === pattern.type);
  if (existing) {
    existing.count = (existing.count || 1) + 1;
    existing.last_seen = new Date().toISOString();
  } else {
    data.patterns.push({
      type: pattern.type,
      description: pattern.description,
      count: 1,
      first_seen: new Date().toISOString(),
      last_seen: new Date().toISOString(),
      examples: [pattern.example]
    });
  }

  fs.writeFileSync(file, JSON.stringify(data, null, 2), "utf-8");
}

/**
 * 记录成长里程碑
 */
function recordMilestone(event) {
  if (!fs.existsSync(TERRITORY)) return;
  const file = path.join(TERRITORY, "brain", "growth-timeline.json");
  const data = JSON.parse(fs.readFileSync(file, "utf-8"));
  data.milestones.push({
    time: new Date().toISOString(),
    event: event,
    project: process.env.CURRENT_PROJECT_ID || "unknown"
  });
  fs.writeFileSync(file, JSON.stringify(data, null, 2), "utf-8");
}

module.exports = { record, recordErrorPattern, recordMilestone, TERRITORY, AGENT_ID };