import { orgContextConfig } from '../src/org-context.js';
import { deploymentOrgSettings } from './org-context-settings.mjs';

export const productionTarget = Object.freeze({
  worker: 'baron-qa-gateway-prod',
  config: 'wrangler.production.toml',
  bucket: 'baron-qa-write',
  origin: 'https://qa.baroncs.co.kr',
  apiOrigin: 'https://qa.brsw.kr',
  projectId: '01a1c543-ab4f-744f-8eff-ab85f2644271',
  channelId: '01a1c544-35ac-7674-9bf0-2469bfbe3e52',
  authIssuer: 'https://app.brsw.kr/oidc',
  orgContextApiUrl: 'https://app.brsw.kr/api/v1/integrations/org-context'
});

function required(env, name) {
  const value = String(env[name] || '').trim();
  if (!value) throw new Error(name + ' is required for production');
  return value;
}

function httpsBase(value, name) {
  let url;
  try { url = new URL(value); } catch { throw new Error(name + ' must be an HTTPS origin'); }
  if (url.protocol !== 'https:' || url.username || url.password || url.search || url.hash || url.pathname !== '/') {
    throw new Error(name + ' must be an HTTPS origin');
  }
  return url.origin;
}

function httpsIssuer(value) {
  let url;
  try { url = new URL(value); } catch { throw new Error('AUTH_ISSUER must be an HTTPS issuer URL'); }
  if (url.protocol !== 'https:' || url.username || url.password || url.search || url.hash) {
    throw new Error('AUTH_ISSUER must be an HTTPS issuer URL');
  }
  return url.origin + url.pathname.replace(/\/+$/, '');
}

export function productionSettings(env) {
  // These names are mapped exclusively from PROD_* settings in the production workflow.
  required(env, 'CLOUDFLARE_API_TOKEN');
  const secrets = {
    SESSION_SECRET: required(env, 'SESSION_SECRET'),
    ABC_API_KEY: required(env, 'ABC_API_KEY'),
    ORG_CONTEXT_KEY_ID: required(env, 'ORG_CONTEXT_KEY_ID'),
    ORG_CONTEXT_KEY_SECRET: required(env, 'ORG_CONTEXT_KEY_SECRET')
  };
  if (secrets.SESSION_SECRET.length < 32) throw new Error('SESSION_SECRET must contain at least 32 characters');
  if (required(env, 'ORG_CONTEXT_ENABLED') !== 'true') throw new Error('ORG_CONTEXT_ENABLED must be true for production');
  const organization = deploymentOrgSettings({
    ...env, ORG_CONTEXT_API_URL: env.ORG_CONTEXT_API_URL || productionTarget.orgContextApiUrl
  });
  orgContextConfig({ ...organization.vars, ...secrets });

  const issuer = httpsIssuer(env.AUTH_ISSUER || productionTarget.authIssuer);
  const vars = {
    ...organization.vars,
    AUTH_CLIENT_ID: required(env, 'AUTH_CLIENT_ID'),
    AUTH_AUTHORIZE_URL: issuer + '/oauth2/auth',
    AUTH_TOKEN_URL: issuer + '/oauth2/token',
    AUTH_USERINFO_URL: issuer + '/userinfo',
    ABC_API_BASE_URL: httpsBase(env.ABC_API_BASE_URL || productionTarget.apiOrigin, 'ABC_API_BASE_URL'),
    ABC_PROJECT_ID: String(env.ABC_PROJECT_ID || productionTarget.projectId).trim(),
    ABC_CHANNEL_ID: String(env.ABC_CHANNEL_ID || productionTarget.channelId).trim()
  };
  const uuid = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
  for (const name of ['ABC_PROJECT_ID', 'ABC_CHANNEL_ID']) {
    if (!uuid.test(vars[name])) throw new Error(name + ' must be a UUID');
  }
  // Fail before uploads if a PROD_* variable points at staging or another channel.
  for (const [name, expected] of Object.entries({
    ABC_API_BASE_URL: productionTarget.apiOrigin,
    ABC_PROJECT_ID: productionTarget.projectId,
    ABC_CHANNEL_ID: productionTarget.channelId
  })) {
    if (vars[name] !== expected) throw new Error(name + ' must match the production EGBIM Q&A target: ' + expected);
  }
  const revision = required(env, 'DEPLOY_COMMIT_SHA');
  if (!/^[0-9a-f]{40}$/.test(revision)) throw new Error('DEPLOY_COMMIT_SHA must be a full lowercase Git commit SHA');
  vars.QA_ASSET_PREFIX = 'releases/' + revision;
  return { ...productionTarget, vars, secrets };
}