"""EST 테스트 앱 기계경비 공식 모음(원본 TfrmMachGongSic·TfrmMachText·구공식변환 0xd90c60)."""

import json
import subprocess
from pathlib import Path

ROOT = Path(__file__).resolve().parents[2]


def test_old_file_parse_and_insert(tmp_path):
    script = r"""
    const fs = require('fs'), vm = require('vm');
    const ctx = vm.createContext({ TextDecoder, DataView, Uint8Array });
    vm.runInContext(fs.readFileSync('tools/est-test/native-mach-formula.js', 'utf8'), ctx);
    const rec = (head, a, b) => {
      const r = Buffer.alloc(394); r.writeInt32LE(head, 5);
      const ea = Buffer.from(a, 'latin1'), eb = Buffer.from(b, 'latin1');
      r[0x16] = ea.length; ea.copy(r, 0x17); r[0x49] = eb.length; eb.copy(r, 0x4a); return r;
    };
    const file = Buffer.concat([rec(1, 'Back', 'hoe'), rec(0, 'Q = ', '1.0'), rec(0, 'E = 0.7', ''), rec(2, 'Dozer', ''), rec(0, 'f = 1', '')]);
    ctx.bytes = new Uint8Array(file);
    const parsed = vm.runInContext('EstMachFormula.parseOld(bytes)', ctx);
    let bad = ''; try { vm.runInContext('EstMachFormula.parseOld(new Uint8Array(10))', ctx); } catch (e) { bad = e.message.slice(0, 6); }
    ctx.p = { tables: { CostMainDat: [{ PkID: 3, Index: 1, Code: 'D1' }, { PkID: 4, LineData: '끝' }] } };
    ctx.body = 'Q = 1\rE = 0.7\r';
    const count = vm.runInContext('EstMachFormula.insertInto(p, 0, body)', ctx);
    process.stdout.write(JSON.stringify({ parsed, bad, count, rows: ctx.p.tables.CostMainDat.map((r) => [r.PkID, r.LineData ?? null]) }));
    """
    out = json.loads(subprocess.check_output(["node", "-e", script], cwd=ROOT).decode("utf-8"))
    assert out["parsed"] == [
        {"name": "Backhoe", "body": "Q = 1.0\rE = 0.7\r", "index": 1},
        {"name": "Dozer", "body": "f = 1\r", "index": 2},
    ]
    assert out["bad"] == "구공식 파일"
    assert out["count"] == 2
    assert out["rows"] == [[3, None], [5, "Q = 1"], [6, "E = 0.7"], [4, "끝"]]


def test_store_accepts_machine_formula_kind(tmp_path):
    script = """
    const f = require(process.cwd() + '/tools/est-test/forms-store.cjs');
    f.save(process.argv[1], { kind: 'machformula', name: '백호', data: { index: 1, body: 'Q = 1' } });
    process.stdout.write(JSON.stringify(f.read(process.argv[1]).map((x) => [x.kind, x.name])));
    """
    out = json.loads(
        subprocess.check_output(["node", "-e", script, str(tmp_path)], cwd=ROOT).decode("utf-8")
    )
    assert out == [["machformula", "백호"]]