import json
import struct
import subprocess
import zipfile
import pytest
from pathlib import Path

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


def test_existing_quantity_links_respect_native_mode_and_avoid_ambiguous_targets():
    script = """const {existingTargets}=require('./tools/est-test/native-links.cjs');
      const sheet={Code:'N1',items:[{Code:'r1'},{Code:'r2'},{Code:'r3'},{Code:'r4'}]};
      const blob=(v,enc='utf8')=>({binary:Buffer.from(v,enc).toString('base64')});
      const rows=[{Code:'E1',MullangIndex:1,MulCode:blob('N1\\tr1')},
        {Code:'E2',MullangIndex:1,MulCode:blob('N1\\tr2','utf16le')},
        {Code:'E3',MullangIndex:2,MulCode:blob('N1\\tr3')},
        {Code:'E4',MullangIndex:1,MulCode:blob('N1\\tr4')},{Code:'E4'}];
      const warnings=new Set();existingTargets({EstMainDat:rows},[sheet],warnings);
      process.stdout.write(JSON.stringify({items:sheet.items,warnings:[...warnings]}));"""
    result = json.loads(subprocess.check_output(["node", "-e", script], cwd=ROOT).decode("utf-8"))
    assert [item.get("TargetCode") for item in result["items"]] == ["E1", "E2", None, None]
    assert len(result["warnings"]) == 2


def test_estx_print_catalog_uses_project_options_when_sample_exists():
    sample = Path("C:/Dasansoft/Est Plus 2/Data/ProjectData/sample.estx")
    if not sample.exists():
        pytest.skip("installed EST sample unavailable")
    script = """const fs=require('fs'),m=require('./tools/est-test/import-estx.cjs'),p=require('./tools/est-test/import-print.cjs'),s=require('./tools/est-test/server.cjs');
      const bytes=fs.readFileSync(process.argv[1]),project=m.importEstx(bytes),form=project.printCatalog.find(r=>r.Index===1);
      let invalid=false;try{p.readPrintOptions(Buffer.from([1,2,3]))}catch{invalid=true}
      process.stdout.write(JSON.stringify({count:project.printCatalog.length,name:form.Name,project:form.ProjectName,
        lines:form.PrintLineCount,left:form.PrintLeft,preserved:s.calculate(project).printCatalog.length,invalid}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(sample)], cwd=ROOT).decode("utf-8")
    )
    assert result == {
        "count": 41,
        "name": "내역서",
        "project": "연습공사",
        "lines": 21,
        "left": 20,
        "preserved": 41,
        "invalid": True,
    }


def test_estx_print_edits_patch_only_requested_fields_when_sample_exists():
    sample = Path("C:/Dasansoft/Est Plus 2/Data/ProjectData/sample.estx")
    if not sample.exists():
        pytest.skip("installed EST sample unavailable")
    script = """const fs=require('fs'),m=require('./tools/est-test/import-estx.cjs'),e=require('./tools/est-test/export-estx.cjs'),s=require('./tools/est-test/server.cjs');
      const bytes=fs.readFileSync(process.argv[1]),p=m.importEstx(bytes),before=structuredClone(p.printCatalog);
      p.nativePrintChanges={'1':{PrintTop:13,PrintBottom:14,PrintLeft:15,PrintRight:16,PrintLineCount:19}};
      const retained=s.calculate(structuredClone(p)).nativePrintChanges['1'].PrintLineCount===19;
      const out=e.exportEstx(p),q=m.importEstx(out),a=m.unzip(bytes),b=m.unzip(out),form=q.printCatalog.find(r=>r.Index===1);
      const other=before.filter(r=>r.Index!==1).every(r=>JSON.stringify(r)===JSON.stringify(q.printCatalog.find(x=>x.Index===r.Index)));
      const sameForm=Object.keys(form).filter(k=>!['PrintTop','PrintBottom','PrintLeft','PrintRight','PrintLineCount'].includes(k)).every(k=>JSON.stringify(form[k])===JSON.stringify(before.find(r=>r.Index===1)[k]));
      const files=[...a].filter(([k])=>k!=='datprintoption.opt').every(([k,v])=>v.equals(b.get(k)));
      p.nativePrintChanges={'1':{PrintLeft:1000}};let invalid=false;try{e.exportEstx(p)}catch{invalid=true}
      process.stdout.write(JSON.stringify({top:form.PrintTop,bottom:form.PrintBottom,left:form.PrintLeft,right:form.PrintRight,lines:form.PrintLineCount,other,sameForm,files,invalid,retained}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(sample)], cwd=ROOT).decode("utf-8")
    )
    assert result == {
        "top": 13,
        "bottom": 14,
        "left": 15,
        "right": 16,
        "lines": 19,
        "other": True,
        "sameForm": True,
        "files": True,
        "invalid": True,
        "retained": True,
    }


def test_quantity_document_edits_keep_styles_and_bookmarks_and_block_marker_edits():
    script = r"""const q=require('./tools/est-test/native-quantity.cjs'),w=require('./tools/est-test/export-quantity.cjs');
      const doc='<cs nr=1/><div><c nr=1/>폭= <begin Tag=2 wpsty=[[Name:&#34;r000001&#34;;]]/>6<end Tag=2/> m</div>';
      const old=q.fromWpt('A','문서',doc,[],{}),edited=structuredClone(old);
      edited.rows[0].LineData=edited.rows[0].LineData.replace('폭=','높이=').replace('6','12');
      const next=w.editDocument(doc,old,edited),again=q.fromWpt('A','문서',next,[],{});
      const bad=structuredClone(old);bad.rows[0].LineData='완전히 다른 줄';
      let rejected=false;try{w.editDocument(doc,old,bad)}catch{rejected=true}
      process.stdout.write(JSON.stringify({same:JSON.stringify(again)===JSON.stringify(edited),tags:next.includes('<begin Tag=2')&&next.includes('<end Tag=2'),rejected}));"""
    result = json.loads(subprocess.check_output(["node", "-e", script], cwd=ROOT).decode("utf-8"))
    assert result == {"same": True, "tags": True, "rejected": True}


def test_estx_quantity_item_labels_round_trip_when_sample_exists():
    sample = Path("C:/Dasansoft/Est Plus 2/Data/ProjectData/main.estx")
    if not sample.exists():
        pytest.skip("installed EST sample unavailable")
    script = """const fs=require('fs'),m=require('./tools/est-test/import-estx.cjs'),e=require('./tools/est-test/export-estx.cjs');
      const p=m.importEstx(fs.readFileSync(process.argv[1])),before=structuredClone(p.quantitySheets),sheet=p.quantitySheets[0];
      sheet.items[0].Name='수정된 품명';sheet.items[0].Size='수정 규격';sheet.items[0].Unite='m2';
      const mismatch=p.quantitySheets.find(s=>s.Code==='N0000000083');mismatch.items[4].Name='수량 보존';
      const q=m.importEstx(e.exportEstx(p)),item=q.quantitySheets[0].items[0];
      const restored=q.quantitySheets.find(s=>s.Code==='N0000000083');
      const other=JSON.stringify(q.quantitySheets[0].items.slice(1))===JSON.stringify(before[0].items.slice(1));
      const rest=JSON.stringify(q.quantitySheets.filter(s=>s.Code!==sheet.Code && s.Code!==mismatch.Code))===JSON.stringify(before.filter(s=>s.Code!==sheet.Code && s.Code!==mismatch.Code));
      const preserved=restored.items[4].Name==='수량 보존' && restored.items[4].GN===286 && JSON.stringify(restored.rows)===JSON.stringify(before.find(s=>s.Code===mismatch.Code).rows);
      p.quantitySheets[0].items[0].TargetCode='new target';let rejected=false;try{e.exportEstx(p)}catch{rejected=true}
      console.log(JSON.stringify({name:item.Name,size:item.Size,unite:item.Unite,other,rest,preserved,rejected}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(sample)], cwd=ROOT, timeout=45).decode(
            "utf-8"
        )
    )
    assert result == {
        "name": "수정된 품명",
        "size": "수정 규격",
        "unite": "m2",
        "other": True,
        "rest": True,
        "preserved": True,
        "rejected": True,
    }


def test_estx_quantity_description_preserves_mismatched_result_when_sample_exists():
    sample = Path("C:/Dasansoft/Est Plus 2/Data/ProjectData/main.estx")
    if not sample.exists():
        pytest.skip("installed EST sample unavailable")
    script = """const fs=require('fs'),m=require('./tools/est-test/import-estx.cjs'),e=require('./tools/est-test/export-estx.cjs'),w=require('./tools/est-test/export-quantity.cjs');
      const bytes=fs.readFileSync(process.argv[1]),p=m.importEstx(bytes),base=m.importEstx(bytes),sheet=p.quantitySheets.find(s=>s.Code==='N0000000083');
      sheet.rows[0].LineData=sheet.rows[0].LineData.replace('석축쌓기','석축공사');
      const q=m.importEstx(e.exportEstx(p)),saved=q.quantitySheets.find(s=>s.Code===sheet.Code);
      sheet.rows[3].LineData=sheet.rows[3].LineData.replace('220','221');let rejected=false;
      try{w.updateQuantities(p,base,e.cp949,e.memory)}catch{rejected=true}
      sheet.rows[3].LineData=sheet.rows[3].LineData.replace('221','220');
      sheet.rows[5].LineData=sheet.rows[5].LineData.replace('286','287');let markerRejected=false;
      try{w.updateQuantities(p,base,e.cp949,e.memory)}catch{markerRejected=true}
      console.log(JSON.stringify({text:saved.rows[0].LineData,quantity:saved.items[4].GN,
        preserved:JSON.stringify(saved.rows.slice(1))===JSON.stringify(base.quantitySheets.find(s=>s.Code===sheet.Code).rows.slice(1)),rejected,markerRejected}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(sample)], cwd=ROOT, timeout=45).decode(
            "utf-8"
        )
    )
    assert result["text"].startswith("석축공사")
    assert result["quantity"] == 286
    assert result["preserved"] and result["rejected"] and result["markerRejected"]


def test_quantity_document_edit_across_character_styles_preserves_tags():
    script = r"""const q=require('./tools/est-test/native-quantity.cjs'),w=require('./tools/est-test/export-quantity.cjs');
      const doc='<cs nr=1/><cs nr=2/><div><c nr=1/>abc<c nr=2/>def<c nr=1/>ghi</div>';
      const old=q.fromWpt('A','문서',doc,[],{}),edited=structuredClone(old);
      edited.rows[0].LineData='ab변경hi';
      const next=w.editDocument(doc,old,edited),again=q.fromWpt('A','문서',next,[],{}),tags=x=>x.match(/<[^>]*>/g);
      process.stdout.write(JSON.stringify({same:JSON.stringify(again)===JSON.stringify(edited),tags:JSON.stringify(tags(doc))===JSON.stringify(tags(next))}));"""
    result = json.loads(subprocess.check_output(["node", "-e", script], cwd=ROOT).decode("utf-8"))
    assert result == {"same": True, "tags": True}


def test_quantity_document_edit_across_styles_and_superscript_preserves_structure():
    script = r"""const q=require('./tools/est-test/native-quantity.cjs'),w=require('./tools/est-test/export-quantity.cjs');
      const doc='<cs nr=1 CharStyleON:16/><cs nr=2/><div><c nr=2/>abc<c nr=1/>2<c nr=2/>def</div>';
      const old=q.fromWpt('A','문서',doc,[],{}),edited=structuredClone(old);
      edited.rows[0].LineData='abc^(3)xyz';
      const next=w.editDocument(doc,old,edited),again=q.fromWpt('A','문서',next,[],{});
      process.stdout.write(JSON.stringify({same:JSON.stringify(again.rows)===JSON.stringify(edited.rows),doc:next}));"""
    result = json.loads(subprocess.check_output(["node", "-e", script], cwd=ROOT).decode("utf-8"))
    assert result["same"] is True
    assert "<c nr=1/>3<c nr=2/>xyz" in result["doc"]


def test_quantity_document_edit_across_styles_and_separate_marker():
    script = r"""const q=require('./tools/est-test/native-quantity.cjs'),w=require('./tools/est-test/export-quantity.cjs');
      const doc='<cs nr=1/><cs nr=2/><div><c nr=1/>abc<c nr=2/>def<begin Tag=2 wpsty=[[Name:&#34;r000001&#34;;]]/>6<end Tag=2/></div>';
      const old=q.fromWpt('A','문서',doc,[],{}),edited=structuredClone(old);
      edited.rows[0].LineData=edited.rows[0].LineData.replace('bcde','변경').replace('6','12');
      const next=w.editDocument(doc,old,edited),again=q.fromWpt('A','문서',next,[],{}),tags=x=>x.match(/<[^>]*>/g);
      process.stdout.write(JSON.stringify({same:JSON.stringify(again)===JSON.stringify(edited),tags:JSON.stringify(tags(doc))===JSON.stringify(tags(next))}));"""
    result = json.loads(subprocess.check_output(["node", "-e", script], cwd=ROOT).decode("utf-8"))
    assert result == {"same": True, "tags": True}


def test_quantity_document_edit_across_actual_style_boundary_when_sample_exists():
    sample = Path("C:/Dasansoft/Est Plus 2/Data/ProjectData/main.estx")
    if not sample.exists():
        pytest.skip("installed EST main sample unavailable")
    script = """const fs=require('fs'),z=require('zlib'),m=require('./tools/est-test/import-estx.cjs'),w=require('./tools/est-test/export-quantity.cjs'),q=require('./tools/est-test/native-quantity.cjs');
      const p=m.importEstx(fs.readFileSync(process.argv[1])),old=p.quantitySheets.find(s=>s.Code==='N0000000113');
      const r=p.tables.MulMainDat.find(x=>x.Code===old.Code),b=Buffer.from(r.Editor.binary,'base64');
      const text=new TextDecoder('euc-kr').decode(b[0]===120?z.inflateSync(b):b),edited=structuredClone(old);
      const i=edited.rows.findIndex(r=>r.LineData.includes('27.22 ='));if(i<0)throw Error('sample line missing');
      edited.rows[i].LineData=edited.rows[i].LineData.replace('27.22 =','27.22XY');
      const out=w.editDocument(text,old,edited),tags=x=>x.match(/<[^>]*>/g);
      process.stdout.write(JSON.stringify({same:JSON.stringify(q.fromWpt(edited.Code,edited.Name,out,edited.items,edited.options))===JSON.stringify(edited),tags:JSON.stringify(tags(text))===JSON.stringify(tags(out))}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(sample)], cwd=ROOT).decode("utf-8")
    )
    assert result == {"same": True, "tags": True}


def test_multiple_quantity_text_segments_preserve_original_tags_when_sample_exists():
    sample = Path("C:/Dasansoft/Est Plus 2/Data/ProjectData/main.estx")
    if not sample.exists():
        pytest.skip("installed EST main sample unavailable")
    script = """const fs=require('fs'),z=require('zlib'),m=require('./tools/est-test/import-estx.cjs'),w=require('./tools/est-test/export-quantity.cjs'),q=require('./tools/est-test/native-quantity.cjs');
      const p=m.importEstx(fs.readFileSync(process.argv[1])),old=p.quantitySheets[0],r=p.tables.MulMainDat.find(x=>x.Code===old.Code),b=Buffer.from(r.Editor.binary,'base64');
      const text=new TextDecoder('euc-kr').decode(b[0]===120?z.inflateSync(b):b),next=structuredClone(old),i=next.rows.findIndex(r=>r.LineData.includes('B ×0.05'));
      if(i<0)throw Error('sample line missing');next.rows[i].LineData=next.rows[i].LineData.replace('표    층','표층').replace('B ×0.05','B ×0.06');
      const out=w.editDocument(text,old,next),tags=x=>x.match(/<[^>]*>/g);
      process.stdout.write(JSON.stringify({same:JSON.stringify(q.fromWpt(next.Code,next.Name,out,next.items,next.options))===JSON.stringify(next),tags:JSON.stringify(tags(text))===JSON.stringify(tags(out))}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(sample)], cwd=ROOT).decode("utf-8")
    )
    assert result == {"same": True, "tags": True}


def test_estx_quantity_edit_preserves_other_documents_and_indexes_when_sample_exists():
    sample = Path("C:/Dasansoft/Est Plus 2/Data/ProjectData/main.estx")
    if not sample.exists():
        pytest.skip("installed EST main sample unavailable")
    script = """const fs=require('fs'),m=require('./tools/est-test/import-estx.cjs'),e=require('./tools/est-test/export-estx.cjs');
      const bytes=fs.readFileSync(process.argv[1]),p=m.importEstx(bytes),first=p.quantitySheets[0];
      first.items[0].Name='changed name';first.items[0].Size='changed size';
      first.rows[0].LineData=first.rows[0].LineData.replace('표준','시험 표준');
      const index=first.rows.findIndex(r=>r.LineData.includes('B = 9.00'));
      if(index<0)throw Error('기준 폭 행 없음');
      first.rows[index].LineData=first.rows[index].LineData.replace('9.00','10.00');
      const out=e.exportEstx(p),q=m.importEstx(out),a=m.unzip(bytes),b=m.unzip(out);
      const unchanged=[...a].filter(([k])=>k.endsWith('.idx')||k.startsWith('cad')).every(([k,v])=>v.equals(b.get(k)));
      process.stdout.write(JSON.stringify({line:q.quantitySheets[0].rows[0].LineData,quantity:q.quantitySheets[0].items[0].GN,name:q.quantitySheets[0].items[0].Name,size:q.quantitySheets[0].items[0].Size,result:q.quantitySheets[0].rows.find(r=>r.markers.includes('r000000')).LineData,others:JSON.stringify(q.quantitySheets.slice(1))===JSON.stringify(p.quantitySheets.slice(1)),unchanged}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(sample)], cwd=ROOT).decode("utf-8")
    )
    assert "시험 표준" in result["line"]
    assert result["quantity"] == 116
    assert result["name"] == "changed name" and result["size"] == "changed size"
    assert "\x12116\x12" in result["result"]
    assert result["others"] and result["unchanged"]


def test_estx_options_and_expanded_blob_preserve_unrelated_data_when_sample_exists():
    sample = Path("C:/Dasansoft/Est Plus 2/Data/ProjectData/sample.estx")
    if not sample.exists():
        pytest.skip("installed EST sample unavailable")
    script = """const fs=require('fs'),m=require('./tools/est-test/import-estx.cjs'),e=require('./tools/est-test/export-estx.cjs');
      const bytes=fs.readFileSync(process.argv[1]),p=m.importEstx(bytes),before=structuredClone(p);
      p.name='길이가 달라진 새 공사명';p.options.AutoCalc=!p.options.AutoCalc;
      p.options.CostValueTrunc=!p.options.CostValueTrunc;p.options.MidCostDiget=3;
      const row=p.tables.EstMainDat.find(r=>Object.values(r).some(v=>v&&v.binary));
      const field=Object.keys(row).find(k=>row[k]&&row[k].binary);
      const content=Buffer.alloc(12000, 65);row[field]={binary:content.toString('base64')};
      const out=e.exportEstx(p),q=m.importEstx(out),a=m.unzip(bytes),b=m.unzip(out);
      const unchanged=[...a].filter(([k])=>k.endsWith('.idx')||k.startsWith('cad')).every(([k,v])=>v.equals(b.get(k)));
      const other=p.tables.EstMainDat.every((r,i)=>Object.keys(r).every(k=>JSON.stringify(r[k])===JSON.stringify(q.tables.EstMainDat[i][k])));
      const options=before.originalOptions.every(x=>{const y=q.originalOptions.find(z=>z.className===x.className);
        return Object.entries(x.properties).every(([k,v])=>['ProjectName','CalcAuto','CostValueTrunc','MidCostDiget'].includes(k)||JSON.stringify(v)===JSON.stringify(y.properties[k]));});
      process.stdout.write(JSON.stringify({unchanged,other,options,name:q.name,auto:q.options.AutoCalc,cost:q.options.CostValueTrunc,digits:q.options.MidCostDiget,expected:p.options,content:Buffer.from(q.tables.EstMainDat.find(r=>r.PkID===row.PkID)[field].binary,'base64').equals(content)}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(sample)], cwd=ROOT).decode("utf-8")
    )
    assert result["unchanged"] and result["other"] and result["options"] and result["content"]
    assert result["name"] == "길이가 달라진 새 공사명"
    assert result["auto"] == result["expected"]["AutoCalc"]
    assert result["cost"] == result["expected"]["CostValueTrunc"]
    assert result["digits"] == 3


def test_recalculation_and_native_export_keep_original_title_identities_when_sample_exists():
    sample = Path("C:/Dasansoft/Est Plus 2/Data/ProjectData/main.estx")
    if not sample.exists():
        sample = Path("resources/knowledge/original/원가계산/다산소프트/2026-07-main.estx")
    if not sample.exists():
        sample = Path("C:/Dasansoft/Est Plus 2/Data/ProjectData/sample.estx")
    if not sample.exists():
        pytest.skip("installed EST sample unavailable")
    script = """const fs=require('fs'),m=require('./tools/est-test/import-estx.cjs'),e=require('./tools/est-test/export-estx.cjs'),s=require('./tools/est-test/server.cjs');
      const bytes=fs.readFileSync(process.argv[1]),p=m.importEstx(bytes);
      const hasQuantity=Boolean(p.quantitySheets?.[0]?.items?.[0]);
      if (hasQuantity) p.quantitySheets[0].items[0].Unite = 'm2';
      const q=s.calculate(p);
      const memoKeys=['DifineMemo','SpaceMemo','EscData'];
      const preserved=['HeadTitleDat','CostTitleDat','MachTitleDat'].every(key=>
        p.tables[key].every((r,i)=>{
          const target=q.tables[key][i];
          return r.PkID===target.PkID && r.Index===target.Index && r.RecNo===target.RecNo && r.Flag===target.Flag &&
            memoKeys.every(k=>JSON.stringify(r[k])===JSON.stringify(target[k]));
        })
      );
      const out=e.exportEstx(q),again=m.importEstx(out),original=m.unzip(bytes),files=m.unzip(out);
      const indexes=[...original].filter(([name])=>name.endsWith('.idx')).every(([name,value])=>value.equals(files.get(name)));
      const reimportedUnite=hasQuantity ? again.quantitySheets?.[0]?.items?.[0]?.Unite : 'm2';
      process.stdout.write(JSON.stringify({preserved,indexes,reimportedUnite}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(sample)], cwd=ROOT).decode("utf-8")
    )
    assert result["preserved"] and result["indexes"]
    assert result["reimportedUnite"] == "m2"


def fixture(path):
    fields = [
        ("PkID", 2, 4),
        ("Code", 1, 16),
        ("Name", 1, 32),
        ("GN", 7, 8),
        ("GU", 7, 8),
        ("TC", 7, 8),
    ]
    stride = 25 + sum(width + 1 for _, _, width in fields)
    data = bytearray(512 + 768 * len(fields) + stride)
    data[8:24] = bytes.fromhex("068abe8e592364cb403d71d2e3bc64d0")
    struct.pack_into("<IHH", data, 41, 1, stride, len(fields))
    start = 512 + 768 * len(fields)
    offset = 25
    for i, (name, kind, width) in enumerate(fields):
        at = 512 + i * 768
        data[at + 2] = len(name)
        data[at + 3 : at + 3 + len(name)] = name.encode("ascii")
        data[at + 164] = kind
        struct.pack_into("<H", data, at + 169, width)
        struct.pack_into("<I", data, at + 172, offset)
        data[start + offset] = 1
        payload = start + offset + 1
        if name == "PkID":
            struct.pack_into("<i", data, payload, 1)
        elif name in ["Code", "Name"]:
            text = ("A" if name == "Code" else "원본").encode("cp949")
            data[payload : payload + len(text)] = text
        else:
            struct.pack_into("<d", data, payload, {"GN": 2, "GU": 100, "TC": 200}[name])
        offset += width + 1
    with zipfile.ZipFile(path, "w", compression=zipfile.ZIP_DEFLATED) as archive:
        archive.writestr("EstMainDat.dat", data)
        archive.writestr("EstMainDat.idx", b"opaque index must remain unchanged")
        archive.writestr("CadMainDat.blb", b"original drawing payload")


def test_estx_patches_values_and_preserves_indexes_drawings_and_rejects_structural_changes(
    tmp_path,
):
    source = tmp_path / "native.estx"
    fixture(source)
    script = """const fs=require('fs'),m=require('./tools/est-test/import-estx.cjs'),e=require('./tools/est-test/export-estx.cjs');
      const b=fs.readFileSync(process.argv[1]),p=m.importEstx(b),same=e.exportEstx(p).equals(b);
      p.tables.EstMainDat[0].GN=3;p.tables.EstMainDat[0].TC=300;p.tables.EstMainDat[0].Name='변경';
      const next=e.exportEstx(p),q=m.importEstx(next),old=m.unzip(b),now=m.unzip(next);
      let blocked=false;p.tables.EstMainDat[0].Code='B';try{e.exportEstx(p)}catch{blocked=true}
      process.stdout.write(JSON.stringify({same,row:q.tables.EstMainDat[0],blocked,index:old.get('estmaindat.idx').equals(now.get('estmaindat.idx')),drawing:old.get('cadmaindat.blb').equals(now.get('cadmaindat.blb'))}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(source)], cwd=ROOT).decode("utf-8")
    )
    assert result["same"] and result["blocked"] and result["index"] and result["drawing"]
    assert result["row"]["Name"] == "변경"
    assert result["row"]["GN"] == 3 and result["row"]["TC"] == 300


def test_estx_export_schedule_and_documents_safety_guards(tmp_path):
    source = tmp_path / "native.estx"
    fixture(source)
    script = """const fs=require('fs'),m=require('./tools/est-test/import-estx.cjs'),e=require('./tools/est-test/export-estx.cjs');
      const b=fs.readFileSync(process.argv[1]);

      // 1) 원본 그대로(빈 schedule/빈 documents/null 등)는 정상 통과
      const p1 = m.importEstx(b);
      p1.schedule = [];
      p1.documents = {};
      const same1 = e.exportEstx(p1).equals(b);

      // 2) schedule 항목 추가 시 차단 검증
      let blockedSchedule = false, schedErrMsg = '';
      const p2 = m.importEstx(b);
      p2.schedule = [{id:'1', Code:'A', Name:'새공정', start:'2026-01-01', end:'2026-01-05', weight:100, progress:10}];
      try { e.exportEstx(p2); } catch (err) { blockedSchedule = true; schedErrMsg = err.message; }

      // 2-1) 빈 문자열 또는 0값만 있는 schedule 항목 추가 시도 차단 검증
      let blockedEmptySchedule = false;
      const p2Empty = m.importEstx(b);
      p2Empty.schedule = [{id:'2', Code:'', Name:'', start:'', end:'', weight:0, progress:0}];
      try { e.exportEstx(p2Empty); } catch (err) { blockedEmptySchedule = true; }

      // 3) documents 텍스트 입력 시 차단 검증
      let blockedDocs = false, docErrMsg = '';
      const p3 = m.importEstx(b);
      p3.documents = {'173': '심사사유'};
      try { e.exportEstx(p3); } catch (err) { blockedDocs = true; docErrMsg = err.message; }

      // 3-1) documents 공백("  ") 입력 시도 사용자 데이터 보존을 위해 차단 검증
      let blockedSpaceDocs = false;
      const p3Space = m.importEstx(b);
      p3Space.documents = {'173': '   '};
      try { e.exportEstx(p3Space); } catch (err) { blockedSpaceDocs = true; }

      process.stdout.write(JSON.stringify({same1, blockedSchedule, schedErrMsg, blockedEmptySchedule, blockedDocs, docErrMsg, blockedSpaceDocs}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(source)], cwd=ROOT).decode("utf-8")
    )
    assert result["same1"] is True
    assert result["blockedSchedule"] is True
    assert "예정공정표" in result["schedErrMsg"] and "JSON" in result["schedErrMsg"]
    assert result["blockedEmptySchedule"] is True
    assert result["blockedDocs"] is True
    assert "서식 문서" in result["docErrMsg"] and "JSON" in result["docErrMsg"]
    assert result["blockedSpaceDocs"] is True
    assert "서식 문서" in result["docErrMsg"] and "JSON" in result["docErrMsg"]