'use strict';

const assert = require('assert');
const fs = require('fs');
const os = require('os');
const path = require('path');

const tempRoot = fs.mkdtempSync(path.join(os.tmpdir(), 'qiwei-inbound-media-'));
process.env.QIWEI_OUTPUTS_DIR = path.join(tempRoot, 'outputs');

const { AgentWorkbenchDb } = require('../mcp/src/core/agent-workbench-db');
const { AgentWorkbenchService } = require('../mcp/src/core/agent-workbench-service');
const { evaluatePolledMessage } = require('../mcp/src/core/agent-poller-policy');
const { InboundMediaService, mediaMessageDescriptor, sniffMedia } = require('../mcp/src/core/inbound-media');

async function main() {
  const imageMessage = {
    msgType: 14,
    senderId: 'contact-1',
    timestamp: 1785920000,
    msgData: { fileId: 'file-1', fileAesKey: 'key-1', fileSize: 68, width: 1, height: 1 },
  };
  const imageCandidate = evaluatePolledMessage(imageMessage, { allowedSenders: ['contact-1'] });
  assert.equal(imageCandidate.eligible, true);
  assert.equal(imageCandidate.content, '[图片]');
  assert.equal(imageCandidate.media.kind, 'image');
  assert.equal(imageCandidate.generateReply, false);

  const voiceCandidate = evaluatePolledMessage({
    msgType: 16,
    senderId: 'contact-1',
    timestamp: 1785920001,
    msgData: { fileId: 'voice-1', fileAesKey: 'key-2', voiceTime: 6 },
  }, { allowedSenders: ['contact-1'] });
  assert.equal(voiceCandidate.eligible, true);
  assert.equal(voiceCandidate.content, '[语音]');
  assert.equal(voiceCandidate.generateReply, false);

  const analyzedVoice = mediaMessageDescriptor({
    msgType: 16,
    msgData: { transcript: '我明天下午有时间' },
  });
  assert.equal(analyzedVoice.mediaOnly, false);
  assert.equal(analyzedVoice.content, '[语音] 我明天下午有时间');

  const groupCandidate = evaluatePolledMessage({ ...imageMessage, fromRoomId: 'room-1' }, { allowedSenders: ['contact-1'] });
  assert.equal(groupCandidate.eligible, false);
  assert.equal(groupCandidate.reason, 'group_message');

  const db = new AgentWorkbenchDb(path.join(tempRoot, 'workbench.db'));
  let agentCalls = 0;
  const service = new AgentWorkbenchService({
    db,
    agent: { run: async () => { agentCalls += 1; throw new Error('agent must not run'); } },
    qiwei: {},
    config: { qiwei: { allowedSenders: ['contact-1'] }, agent: {} },
  });
  const stored = await service.ingestInbound({
    externalId: 'image-message-1',
    contactId: 'contact-1',
    contactName: '测试联系人',
    content: imageCandidate.content,
    timestamp: new Date(1785920000 * 1000).toISOString(),
    raw: imageMessage,
    contentType: imageCandidate.media.contentType,
    payload: imageCandidate.media.payload,
  }, { generateReply: false });
  assert.equal(stored.status, 'media_received');
  assert.equal(agentCalls, 0);
  const second = await service.ingestInbound({
    externalId: 'image-message-2',
    contactId: 'contact-1',
    contactName: '测试联系人',
    content: imageCandidate.content,
    timestamp: new Date((1785920000 + 1) * 1000).toISOString(),
    raw: { ...imageMessage, msgServerId: 'image-message-2' },
    contentType: imageCandidate.media.contentType,
    payload: imageCandidate.media.payload,
  }, { generateReply: false });
  assert.equal(second.status, 'media_received');
  const rows = db.listMessages(stored.conversation.id);
  assert.equal(rows.length, 2);
  assert.equal(rows[0].content_type, 'image');
  assert.equal(JSON.parse(rows[0].raw_json).msgData.fileId, 'file-1');
  if (typeof service.stopBackgroundWorkers === 'function') service.stopBackgroundWorkers();
  db.close();

  const png = Buffer.from('iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII=', 'base64');
  assert.equal(sniffMedia(png, 'application/octet-stream').contentType, 'image/png');
  let downloadCalls = 0;
  const resolver = new InboundMediaService({
    qiwei: {
      call: async (method, params, options) => {
        assert.equal(method, '/cloud/wxWorkDownload');
        assert.equal(params.fileType, 1);
        assert.equal(options.sanitizeResponse, false);
        return { cloudUrl: 'https://media.example.test/image.png' };
      },
    },
    fetchImpl: async url => {
      downloadCalls += 1;
      assert.equal(url, 'https://media.example.test/image.png');
      return new Response(png, { status: 200, headers: { 'content-type': 'image/png' } });
    },
  });
  const resolved = await resolver.resolve('message-1', imageMessage);
  assert.equal(downloadCalls, 1);
  assert.equal(resolved.contentType, 'image/png');
  assert.equal(fs.readFileSync(resolved.filePath).equals(png), true);

  const dashboardApp = fs.readFileSync(path.join(__dirname, '..', 'mcp', 'src', 'dashboard', 'app.js'), 'utf8');
  const dashboardServer = fs.readFileSync(path.join(__dirname, '..', 'mcp', 'src', 'dashboard', 'server.js'), 'utf8');
  const agentService = fs.readFileSync(path.join(__dirname, '..', 'mcp', 'src', 'dashboard', 'agent-service.js'), 'utf8');
  const workbenchService = fs.readFileSync(path.join(__dirname, '..', 'mcp', 'src', 'core', 'agent-workbench-service.js'), 'utf8');
  assert.match(dashboardApp, /data-media-retry/);
  assert.match(dashboardApp, /\/api\/agent\/messages\/\$\{encodeURIComponent\(message\.id\)\}\/media/);
  assert.match(dashboardServer, /\/api\\\/agent\\\/messages\\\/\(\[\^\/\]\+\)\\\/media/);
  assert.match(agentService, /function publicMessageRaw/);
  assert.match(workbenchService, /media_received_without_auto_reply/);

  fs.rmSync(tempRoot, { recursive: true, force: true });
  console.log('agent inbound media smoke: passed');
}

main().catch(error => {
  try { fs.rmSync(tempRoot, { recursive: true, force: true }); } catch {}
  console.error(error);
  process.exit(1);
});