#!/usr/bin/env node
const fs = require('fs');
const path = require('path');
const { parseList } = require('./industry-trend-report');

const DEFAULT_RESULT_PREFIX = 'INDUSTRY_TREND_PROFILE_RESULT';

function parseArgs(argv) {
  const args = {};
  for (let i = 0; i < argv.length; i++) {
    const token = argv[i];
    if (!token.startsWith('--')) continue;
    const eq = token.indexOf('=');
    if (eq >= 0) {
      args[token.slice(2, eq)] = token.slice(eq + 1);
    } else {
      const key = token.slice(2);
      const next = argv[i + 1];
      if (next && !next.startsWith('--')) {
        args[key] = next;
        i++;
      } else {
        args[key] = true;
      }
    }
  }
  return args;
}

function ensureDir(dirPath) {
  fs.mkdirSync(dirPath, { recursive: true });
}

function inferFromMessage(message) {
  const text = String(message || '');
  const inferred = {};
  if (/家装|全屋定制|装修|衣柜|橱柜/.test(text)) {
    inferred.project = 'home-design-trend';
    inferred.industry = '家装全屋定制';
    inferred.businessType = '门店/设计服务/全屋定制服务商';
    inferred.targetAudience = ['女性客户', '家庭装修决策者', '门店到访客户'];
    inferred.decisionMakers = ['女主人', '夫妻共同决策者', '设计师影响者'];
    inferred.productsOrServices = ['全屋定制', '衣柜设计', '橱柜设计', '玄关柜', '小户型收纳'];
    inferred.trendQuestions = [
      '当季哪些装修风格正在升温？',
      '女性客户最关心哪些设计元素和翻车风险？',
      '下季度哪些风格、颜色、材质值得门店提前准备案例？',
      '哪些小红书内容角度适合设计师和门店获客？'
    ];
    inferred.keywords = ['全屋定制', '奶油风装修', '小户型收纳', '衣柜设计避坑', '厨房橱柜设计', '装修翻车'];
    inferred.mustTrackSignals = ['装修风格', '设计元素', '颜色材质', '收纳需求', '环保顾虑', '预算焦虑', '翻车风险'];
    inferred.outputPreference = {
      reportTone: '老板视角',
      actionType: '趋势判断、门店转化、设计师沟通话术'
    };
  }
  return inferred;
}

function mergeProfile(base, args, inferred) {
  const profile = {
    ...base,
    project: args.project || inferred.project || 'industry-trend-project',
    industry: args.industry || inferred.industry || '未填写行业',
    businessType: args.businessType || args['business-type'] || inferred.businessType || '',
    targetAudience: parseList(args.targetAudience || args['target-audience']).length
      ? parseList(args.targetAudience || args['target-audience'])
      : (inferred.targetAudience || []),
    decisionMakers: parseList(args.decisionMakers || args['decision-makers']).length
      ? parseList(args.decisionMakers || args['decision-makers'])
      : (inferred.decisionMakers || []),
    productsOrServices: parseList(args.productsOrServices || args['products-or-services']).length
      ? parseList(args.productsOrServices || args['products-or-services'])
      : (inferred.productsOrServices || []),
    priceBand: args.priceBand || args['price-band'] || inferred.priceBand || '',
    regions: parseList(args.regions || inferred.regions),
    trendQuestions: parseList(args.trendQuestions || args['trend-questions']).length
      ? parseList(args.trendQuestions || args['trend-questions'])
      : (inferred.trendQuestions || []),
    platforms: parseList(args.platforms || inferred.platforms || 'xiaohongshu'),
    keywords: parseList(args.keywords).length ? parseList(args.keywords) : (inferred.keywords || []),
    competitors: parseList(args.competitors || inferred.competitors),
    mustTrackSignals: parseList(args.mustTrackSignals || args['must-track-signals']).length
      ? parseList(args.mustTrackSignals || args['must-track-signals'])
      : (inferred.mustTrackSignals || []),
    blockedDirections: parseList(args.blockedDirections || args['blocked-directions'] || inferred.blockedDirections),
    outputPreference: {
      reportTone: args.reportTone || args['report-tone'] || inferred.outputPreference?.reportTone || '老板视角',
      actionType: args.actionType || args['action-type'] || inferred.outputPreference?.actionType || '趋势判断、内容建议、转化动作'
    },
    updatedAt: new Date().toISOString()
  };
  return profile;
}

function main() {
  const args = parseArgs(process.argv.slice(2));
  const output = path.resolve(args.output || 'memory/industry-trend-profile.json');
  const base = args.base && fs.existsSync(path.resolve(args.base))
    ? JSON.parse(fs.readFileSync(path.resolve(args.base), 'utf8'))
    : {};
  const inferred = inferFromMessage(args.message);
  const profile = mergeProfile(base, args, inferred);
  ensureDir(path.dirname(output));
  fs.writeFileSync(output, JSON.stringify(profile, null, 2), 'utf8');

  const needsMore = !profile.industry || profile.industry === '未填写行业' || !profile.keywords.length;
  const assistantMessage = needsMore
    ? [
      '我先建了一个行业档案草稿，但还缺关键信息。',
      '',
      '请补充 3 点：',
      '1. 你要追踪的行业/品类是什么？',
      '2. 主要决策人和影响决策的人是谁？',
      '3. 最想知道哪些趋势问题？'
    ].join('\n')
    : [
      `行业档案已建立：${profile.industry}`,
      '',
      `已记录关键词：${profile.keywords.slice(0, 8).join('、') || '待补充'}`,
      `重点信号：${profile.mustTrackSignals.slice(0, 8).join('、') || '待补充'}`,
      '',
      '下一步可以直接启动行业趋势情报官生成日报。'
    ].join('\n');

  const prefix = args['result-prefix'] || args.resultPrefix || DEFAULT_RESULT_PREFIX;
  console.log(`${prefix}=${JSON.stringify({
    status: 'ok',
    profilePath: output,
    profile,
    needsMore,
    assistantMessage
  })}`);
}

if (require.main === module) {
  try {
    main();
  } catch (error) {
    console.error(error && error.stack ? error.stack : String(error));
    process.exit(1);
  }
}