import {createHash} from 'node:crypto';
import {writeFileSync} from 'node:fs';
import {join} from 'node:path';

const root = process.cwd();
const rows = [
  {slot: 1, generation: 1, parentSlot: 0, parentGeneration: 0,
    state: 1, elapsedTicks: 100},
  {slot: 2, generation: 7, parentSlot: 1, parentGeneration: 1,
    state: 2, elapsedTicks: 90},
  {slot: 3, generation: 2, parentSlot: 2, parentGeneration: 7,
    state: 0, elapsedTicks: 10},
];
const bytes = Buffer.alloc(144);
bytes.write('TKPSV1\0\0', 0, 8, 'binary');
bytes.writeBigUInt64LE(9n, 8);
bytes.writeBigUInt64LE(10n, 16);
bytes.writeBigUInt64LE(100n, 24);
bytes.writeBigUInt64LE(115n, 32);
bytes.writeUInt32LE(rows.length, 40);
rows.forEach((row, index) => {
  const at = 48 + index * 32;
  bytes.writeUInt32LE(row.slot, at);
  bytes.writeUInt32LE(row.generation, at + 4);
  bytes.writeUInt32LE(row.parentSlot, at + 8);
  bytes.writeUInt32LE(row.parentGeneration, at + 12);
  bytes.writeUInt32LE(row.state, at + 16);
  bytes.writeBigUInt64LE(BigInt(row.elapsedTicks), at + 24);
});
const sha256 = createHash('sha256').update(bytes).digest('hex');
const directory = join(root, 'userspace/tests/fixtures');
writeFileSync(join(directory, 'core-tools-process.bin'), bytes);
writeFileSync(join(directory, 'core-tools-process.json'),
  JSON.stringify({schema: 'turkos-k1300-process-view-fixture/v1',
    bytes: bytes.length, sha256, bootId: 9, frequency: 10,
    uptimeTicks: [100, 115], rows, deniedAddress: '0xffff000000001000'},
  null, 2) + '\n');
console.log(JSON.stringify({status: 'K1300_PROCESS_FIXTURE_WRITTEN', sha256}));