#!/usr/bin/env node

const configuredBase = String(process.env.JD_TARGET_PARSE_URL || '').replace(/\/+$/, '');
const appId = process.env.JD_TARGET_PARSE_APP_ID;
const masterKey = process.env.JD_TARGET_PARSE_MASTER_KEY;
if (!configuredBase || !appId || !masterKey) {
  throw new Error('JD target Parse configuration is incomplete');
}

const origin = new URL(configuredBase).origin;
const appPathMatch = configuredBase.match(/\/backend\/([^/]+)/);
const appPath = appPathMatch?.[1] || '';
const candidates = [
  configuredBase,
  `${configuredBase}/classes/ProductDetail?limit=1`,
  appPath ? `${origin}/backend/${appPath}/classes/ProductDetail?limit=1` : '',
  appPath ? `${origin}/backend/${appPath}/data/parse/classes/ProductDetail?limit=1` : '',
  `${origin}/parse/classes/ProductDetail?limit=1`,
].filter(Boolean);

async function fetchWithAuthorizationRetry(url) {
  for (let attempt = 1; attempt <= 10; attempt += 1) {
    const response = await fetch(url, {
      headers: {
        'X-Parse-Application-Id': appId,
        'X-Parse-Master-Key': masterKey,
      },
    });
    const body = await response.json().catch(() => null);
    if (!(response.status === 403 && body?.error === 'unauthorized') || attempt === 10) {
      return { response, body, attempt };
    }
  }
  throw new Error('unreachable');
}

for (const url of [...new Set(candidates)]) {
  const response = await fetch(url, {
    headers: {
      'X-Parse-Application-Id': appId,
      'X-Parse-Master-Key': masterKey,
    },
  });
  const text = await response.text();
  let payload = null;
  try { payload = text ? JSON.parse(text) : null; } catch {}
  console.log(JSON.stringify({
    url,
    status: response.status,
    contentType: response.headers.get('content-type'),
    parseCode: payload?.code ?? null,
    error: payload?.error ?? payload?.message ?? null,
    resultCount: Array.isArray(payload?.results) ? payload.results.length : null,
    bodyKind: payload ? 'json' : text ? 'non-json' : 'empty',
  }, null, 2));
}

for (const className of ['ProductDetail', 'Product', 'AsinSkuMapping', 'JdStockSnapshot']) {
  const schemaResponse = await fetch(`${configuredBase}/schemas/${className}`, {
    headers: {
      'X-Parse-Application-Id': appId,
      'X-Parse-Master-Key': masterKey,
    },
  });
  const schema = await schemaResponse.json().catch(() => null);
  const countResponse = await fetch(`${configuredBase}/classes/${className}?limit=0&count=1`, {
    headers: {
      'X-Parse-Application-Id': appId,
      'X-Parse-Master-Key': masterKey,
    },
  });
  const countPayload = await countResponse.json().catch(() => null);
  console.log(JSON.stringify({
    schemaStatus: schemaResponse.status,
    className: schema?.className ?? className,
    countStatus: countResponse.status,
    count: countPayload?.count ?? null,
    fields: Object.fromEntries(
      Object.entries(schema?.fields || {}).map(([name, definition]) => [name, definition?.type || null]),
    ),
  }, null, 2));
}

for (const endpoint of [
  `${configuredBase}/classes/ProductDetail?limit=1`,
  `${origin}/parse/classes/ProductDetail?limit=1`,
]) {
  const samples = [];
  for (let attempt = 0; attempt < 10; attempt += 1) {
    const response = await fetch(endpoint, {
      headers: {
        'X-Parse-Application-Id': appId,
        'X-Parse-Master-Key': masterKey,
      },
    });
    const body = await response.json().catch(() => null);
    samples.push({ status: response.status, resultCount: Array.isArray(body?.results) ? body.results.length : null });
  }
  console.log(JSON.stringify({ endpoint, stabilitySamples: samples }, null, 2));
}

for (const className of ['ProductDetail', 'Product', 'AsinSkuMapping', 'JdStockSnapshot']) {
  const { response, body, attempt } = await fetchWithAuthorizationRetry(
    `${configuredBase}/classes/${className}?limit=100&count=1`,
  );
  console.log(JSON.stringify({
    verifiedClass: className,
    status: response.status,
    attempts: attempt,
    count: body?.count ?? null,
    returnedItems: Array.isArray(body?.results) ? body.results.length : null,
  }, null, 2));
}