import crypto from "node:crypto";
import fs from "node:fs";
import path from "node:path";
import { fileURLToPath } from "node:url";

const repoRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../..");
const inventoryPath = path.join(repoRoot, "tests/golden/M12-05A/format-inventory.json");
const parentPath = path.join(repoRoot, "tests/golden/M12-05D/runtime-receipts.json");
const outputArgument = process.argv.indexOf("--output");
const outputPath = outputArgument === -1 ? path.join(repoRoot, "tests/golden/M12-05E/bound-runtime-receipts.json") : path.resolve(process.argv[outputArgument + 1] ?? "");
if (!outputPath) throw new Error("--output requires a file");
const inventoryBytes = fs.readFileSync(inventoryPath);
const parentBytes = fs.readFileSync(parentPath);
const inventory = JSON.parse(inventoryBytes);
const parent = JSON.parse(parentBytes);
const canonical = (value) => value === null || typeof value !== "object" ? JSON.stringify(value) : Array.isArray(value) ? `[${value.map(canonical).join(",")}]` : `{${Object.keys(value).sort().map((key) => `${JSON.stringify(key)}:${canonical(value[key])}`).join(",")}}`;
const hash = (value) => crypto.createHash("sha256").update(canonical(value)).digest("hex");
const runtimeSha256 = hash(inventory.runtime);
const receipts = inventory.formats.flatMap((entry) => ["IMPORT", "EXPORT"].map((operation) => {
  const source = entry[operation.toLowerCase()];
  const receipt = parent.receipts.find((item) => item.format === entry.format && item.operation === operation);
  return {
    ...receipt,
    sourceSha256: hash({ format: receipt.format, family: receipt.family, operation: receipt.operation, operator: receipt.operator, registered: receipt.registered, rnaIdentifier: receipt.rnaIdentifier }),
    settingsSha256: hash({ buildOption: receipt.buildOption, buildOptionEnabled: receipt.buildOptionEnabled, variants: receipt.variants, extensions: receipt.extensions, properties: source.properties }),
    runtimeSha256,
  };
}));
const output = { schemaVersion: 1, task: "M12-05E", parentReceiptSetSha256: crypto.createHash("sha256").update(parentBytes).digest("hex"), inventorySha256: crypto.createHash("sha256").update(inventoryBytes).digest("hex"), runtime: inventory.runtime, receipts };
fs.mkdirSync(path.dirname(outputPath), { recursive: true });
fs.writeFileSync(outputPath, `${JSON.stringify(output, null, 2)}\n`);
process.stdout.write(`io-format-receipt-bindings-generated receipts=${receipts.length} output=${path.relative(repoRoot, outputPath)}\n`);