#!/usr/bin/env node
'use strict';

const assert = require('assert/strict');
const { qiweiSubscriptionStatus } = require('../mcp/src/tools/qiwei-subscription-run');
const { qiweiLoginStart } = require('../mcp/src/tools/qiwei-login-run');

const originalFetch = global.fetch;
let mode = 'paid';
let requests = [];

function response(data) {
  return new Response(JSON.stringify({ code: 200, data }), {
    status: 200,
    headers: { 'Content-Type': 'application/json' },
  });
}

async function main() {
  global.fetch = async rawUrl => {
    const url = new URL(String(rawUrl));
    requests.push(url.pathname);
    if (url.pathname.endsWith('/trial/status')) {
      return mode === 'trial'
        ? response({ active: true, state: 'active', seats: 1, credentialReady: true, expireAt: '2099-01-01T00:00:00.000Z' })
        : response({ active: true, state: 'unavailable', seats: null, credentialReady: false, expireAt: '2099-02-01T00:00:00.000Z' });
    }
    if (url.pathname.endsWith('/subscribe/status')) {
      return mode === 'trial'
        ? response({ subscribed: false, seats: null, usedSeats: 0 })
        : response({ subscribed: true, state: 'active', seats: 1, usedSeats: 1, expireAt: '2099-02-01T00:00:00.000Z' });
    }
    if (url.pathname.endsWith('/login/start')) {
      return response({ uid: 'fixture-trial-uid', loginQrcodeBase64Data: '' });
    }
    throw new Error(`Unexpected fixture request: ${url.pathname}`);
  };

  const common = {
    authToken: 'r:fixture-session',
    apiBase: 'https://fixture.example/api/qiwei',
  };

  mode = 'paid';
  requests = [];
  const paid = await qiweiSubscriptionStatus(common);
  assert.equal(paid.summary.subscribed, true);
  assert.equal(paid.summary.trialActive, false);
  assert.equal(paid.summary.source, 'subscription');

  mode = 'trial';
  requests = [];
  const trial = await qiweiSubscriptionStatus(common);
  assert.equal(trial.summary.subscribed, true);
  assert.equal(trial.summary.trialActive, true);
  assert.equal(trial.summary.source, 'trial');
  assert.equal(trial.summary.seats, 1);

  requests = [];
  const login = await qiweiLoginStart({
    ...common,
    uid: 'fixture-trial-uid',
    flowUi: false,
    persistConfig: false,
    openBrowser: false,
  });
  assert.equal(login.status, 'ok');
  assert.equal(requests.filter(path => path.endsWith('/trial/status')).length, 1);
  assert.equal(requests.filter(path => path.endsWith('/subscribe/status')).length, 0);
  assert.equal(requests.filter(path => path.endsWith('/login/start')).length, 1);

  process.stdout.write(`${JSON.stringify({
    status: 'ok',
    checks: 12,
    coverage: [
      'paid_entitlement_is_not_labeled_trial',
      'trial_entitlement_is_labeled_trial',
      'trial_seat_passes_login_preflight',
    ],
  }, null, 2)}\n`);
}

main()
  .catch(error => {
    process.stderr.write(`${error.stack || error.message}\n`);
    process.exitCode = 1;
  })
  .finally(() => {
    global.fetch = originalFetch;
  });