import fs from "node:fs";
import os from "node:os";
import { InfisicalClient } from "@infisical/sdk";
import { loadConfig, upsertConfig } from "./configurator.js";
const envpath = `${os.homedir()}/.env`;
//upsertConfig(); //TODO Build Configuration Generator
const config = loadConfig();

const siteUrl = config.infisicalInstance;
const projects = config.projects;
const pendingSecrets = [];

async function getProjectSecrets(
  projectName,
  projectId,
  environment,
  clientId,
  clientSecret,
  path = "/",
  includeImports = true,
) {
  const client = new InfisicalClient({
    siteUrl,
    auth: { universalAuth: { clientId, clientSecret } },
  });
  const secrets = await client.listSecrets({
    projectId,
    environment,
    path,
    includeImports,
    attachToProcessEnv: false,
  });
  return secrets.map((s) => ({ ...s, project: projectName, path }));
}

function mapToFile(proj, secrets) {
  const filename = `infisical-autoenv-${proj}`;
  const date = new Date();
  const dateString =
    date.getFullYear() + "-" + (date.getMonth() + 1) + "-" + date.getDate();
  const paths = Object.keys(secrets);
  const lines = paths.map(
    (p) =>
      `# ---${p}--- ${dateString}\n` +
      secrets[p]
        .map((s) => `export ${s.secretKey}=${s.secretValue}`)
        .join("\n"),
  );
  const fileData = lines.join("\n");
  fs.writeFileSync(`${envpath}/${filename}`, fileData);
}

for (var p of projects) {
  for (var e of p.environments) {
    if (!process.env[e.clientIdEnvar])
      throw Error(`${e.clientIdEnvar} could not be found!`);
    if (!process.env[e.clientSecretEnvar])
      throw Error(`${e.clientSecretEnvar} could not be found!`);
    for (var path of e.paths) {
      pendingSecrets.push(
        getProjectSecrets(
          p.name,
          p.projectId,
          e.slug,
          process.env[e.clientIdEnvar],
          process.env[e.clientSecretEnvar],
          path,
        ),
      );
    }
  }
}

const loadedSecrets = await Promise.all(pendingSecrets);
const filteredSecrets = loadedSecrets.flat(2).filter((s) => !s.isFallback);

const proj = projects.map((p) => ({
  name: p.name,
  paths: p.environments.map((envs) => envs.paths).flat(2),
}));

const projectSecrets = {};
for (var p of proj) {
  projectSecrets[p.name] = {};
  for (var path of p.paths) {
    projectSecrets[p.name][path] = filteredSecrets.filter(
      (s) => s.project === p.name && s.path === path,
    );
  }
  mapToFile(p.name, projectSecrets[p.name]);
}