import * as fs from "fs";
import * as path from "path";

const API_BASE = process.env.API_BASE || "https://api.homaroma.shop/api";
const ADMIN_USER = process.env.ADMIN_USER || "admin";
const ADMIN_PASS = process.env.ADMIN_PASS || "homaroma123";

async function main() {
  console.log(`=== Importing Attribute Definitions via API (${API_BASE}) ===`);

  // 1. Read JSON definitions
  const jsonPath = path.resolve(__dirname, "../data/homaroma_attribute_definitions.json");
  if (!fs.existsSync(jsonPath)) {
    throw new Error(`File not found: ${jsonPath}`);
  }
  const definitions = JSON.parse(fs.readFileSync(jsonPath, "utf-8"));
  console.log(`✓ Loaded ${definitions.length} definitions from data/homaroma_attribute_definitions.json`);

  // 2. Login to get JWT Token
  console.log(`2. Logging in as '${ADMIN_USER}' to obtain JWT token...`);
  const loginRes = await fetch(`${API_BASE}/auth/login`, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ username: ADMIN_USER, password: ADMIN_PASS }),
  });

  if (!loginRes.ok) {
    const errorText = await loginRes.text();
    throw new Error(`Login failed (${loginRes.status}): ${errorText}`);
  }

  const loginData = (await loginRes.json()) as { success: boolean; token: string };
  if (!loginData.token) {
    throw new Error("No token returned from login API");
  }
  const token = loginData.token;
  console.log("✓ Successfully authenticated. JWT token acquired.");

  // 3. Post bulk-import
  console.log("3. Sending bulk-import payload to /product-attributes/definitions/bulk-import...");
  const importRes = await fetch(`${API_BASE}/product-attributes/definitions/bulk-import`, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      Authorization: `Bearer ${token}`,
    },
    body: JSON.stringify(definitions),
  });

  if (!importRes.ok) {
    const errorText = await importRes.text();
    throw new Error(`Bulk import failed (${importRes.status}): ${errorText}`);
  }

  const importResult = await importRes.json();
  console.log("✓ Bulk import response:", JSON.stringify(importResult, null, 2));

  // 4. Fetch all definitions to verify
  console.log("4. Verifying active attribute definitions from API...");
  const listRes = await fetch(`${API_BASE}/product-attributes/definitions?lang=th`);
  const listData = await listRes.json();
  console.log(`✓ Total active attribute definitions on API: ${Array.isArray(listData) ? listData.length : 'N/A'}`);

  return importResult;
}

main()
  .then(() => {
    console.log("\n✅ Completed successfully.");
    process.exit(0);
  })
  .catch((err) => {
    console.error("\n❌ Error:", err.message || err);
    process.exit(1);
  });