import json
import subprocess
from pathlib import Path

import pytest

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


def test_reorder_preserves_marker_structure_and_rejects_late_styles():
    script = r"""const w=require('./tools/est-test/export-quantity.cjs'),q=require('./tools/est-test/native-quantity.cjs');
      const div=(tag,code,value)=>'<div cs=1><c nr=1/><begin Tag='+tag+' style="Name:&#39;'+code+'&#39;;"/>'+value+'<end Tag='+tag+'/></div>';
      const doc='<cs nr=1/>'+div(1,'r000001','1')+div(2,'r000002','2');
      const sheet=q.fromWpt('N','sheet',doc,[],{}),rows=[sheet.rows[1],sheet.rows[0]],out=w.reorderRows(doc,sheet,rows);
      const parsed=q.fromWpt('N','sheet',out.text,[],{});let rejected=false;
      const late='<cs nr=1/>'+div(1,'r000001','1')+'<cs nr=2/><div cs=2>2</div>';
      const other=q.fromWpt('N','sheet',late,[],{});
      try{w.reorderRows(late,other,[other.rows[1],other.rows[0]])}catch{rejected=true}
      const redefined='<cs nr=1/>'+div(1,'r000001','1')+'<cs nr=1/>'+div(2,'r000002','2');
      const third=q.fromWpt('N','sheet',redefined,[],{});let changed=false;
      try{w.reorderRows(redefined,third,[third.rows[1],third.rows[0]])}catch{changed=true}
      process.stdout.write(JSON.stringify({rows:JSON.stringify(parsed.rows)===JSON.stringify(rows),rejected,changed}));"""
    result = json.loads(subprocess.check_output(["node", "-e", script], cwd=ROOT))
    assert result == {"rows": True, "rejected": True, "changed": True}


def test_append_handles_many_existing_tag_numbers():
    script = r"""const w=require('./tools/est-test/export-quantity.cjs');
      const doc='<cs nr=1/>'+Array.from({length:150000},(_,i)=>'<end Tag='+i+'/>').join('');
      const row={LineData:'1=\x120\x12',markers:['r000001']};
      const out=w.appendRows(doc,{items:[{Code:'r000001'}]},[row]);
      process.stdout.write(JSON.stringify(out.includes('<begin Tag=150000 ')));"""
    assert json.loads(subprocess.check_output(["node", "-e", script], cwd=ROOT, timeout=15))


def test_move_checks_shared_tags_without_confusing_similar_numbers():
    script = r"""const w=require('./tools/est-test/export-quantity.cjs'),q=require('./tools/est-test/native-quantity.cjs');
      const div=(tag,code)=>'<div cs=1><c nr=1/><begin Tag='+tag+' style="Name:&#39;'+code+'&#39;;"/>1<end Tag='+tag+'/></div>';
      const noise=Array.from({length:10000},(_,i)=>'<end Tag='+(i+100)+'/>').join('');
      const doc='<cs nr=1/>'+noise+div(1,'r000001')+div(10,'r000002');
      const sheet=q.fromWpt('N','sheet',doc,[],{}),rows=[sheet.rows[1],sheet.rows[0]];
      const output=w.reorderRows(doc,sheet,rows);let rejected=false;
      try{w.reorderRows(doc+'<end Tag=1/>',sheet,rows)}catch{rejected=true}
      process.stdout.write(JSON.stringify({rows:JSON.stringify(q.fromWpt('N','sheet',output.text,[],{}).rows)===JSON.stringify(rows),rejected}));"""
    result = json.loads(subprocess.check_output(["node", "-e", script], cwd=ROOT, timeout=30))
    assert result == {"rows": True, "rejected": True}


def test_move_and_edit_keeps_original_row_marker():
    script = r"""const w=require('./tools/est-test/export-quantity.cjs'),q=require('./tools/est-test/native-quantity.cjs');
      const div=(tag,code,value)=>'<div cs=1><c nr=1/>Q='+value+'=<begin Tag='+tag+' style="Name:&#39;'+code+'&#39;;"/>'+value+'<end Tag='+tag+'/></div>';
      const doc='<cs nr=1/>'+div(1,'r000001','1')+div(2,'r000002','2');
      const sheet=q.fromWpt('N','sheet',doc,[],{}),rows=structuredClone([sheet.rows[1],sheet.rows[0]]);
      rows[0].LineData=rows[0].LineData.replace('Q=2','Q=3');
      const moved=w.reorderRows(doc,sheet,rows),old={...sheet,rows:moved.rows},edited={...sheet,rows};
      const result=w.editDocument(moved.text,old,edited),parsed=q.fromWpt('N','sheet',result,[],{});
      process.stdout.write(JSON.stringify(parsed.rows));"""
    result = json.loads(subprocess.check_output(["node", "-e", script], cwd=ROOT))
    assert result[0]["markers"] == ["r000002"]
    assert result[0]["LineData"].startswith("Q=3")
    assert result[1]["markers"] == ["r000001"]


def test_move_quantity_rows_in_installed_file_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 = r"""const fs=require('fs'),z=require('zlib'),m=require('./tools/est-test/import-estx.cjs'),
        e=require('./tools/est-test/export-estx.cjs'),w=require('./tools/est-test/export-quantity.cjs'),c=require('./tools/est-test/quantity-calculate.cjs');
      const bytes=fs.readFileSync(process.argv[1]),p=m.importEstx(bytes);let candidate=null;
      const valid=s=>{const x=c.calculateQuantity(s),n=s.rows.reduce((a,r)=>a+r.markers.length,0);
        return !x.errors.length&&x.checks.length===n&&x.checks.every(v=>Number.isFinite(v.stored)&&v.stored===v.calculated)&&x.items.every((v,i)=>v.GN===s.items[i].GN)};
      for(const s of p.quantitySheets){if(!valid(s))continue;const r=p.tables.MulMainDat.find(x=>x.Code===s.Code);
        let b=Buffer.from(r.Editor.binary,'base64');if(b[0]===120)b=z.inflateSync(b);const doc=new TextDecoder('euc-kr').decode(b);
        for(let i=1;i<s.rows.length;i++){if(s.rows[i-1].markers.length!==1||s.rows[i].markers.length!==1)continue;
          const rows=s.rows.slice();[rows[i-1],rows[i]]=[rows[i],rows[i-1]];
          if(JSON.stringify(rows)===JSON.stringify(s.rows))continue;
          rows[i-1]={...rows[i-1],LineData:' '+rows[i-1].LineData};
          try{const result=w.reorderRows(doc,s,rows);if(result.text===doc||!valid({...s,rows}))continue;
            w.editDocument(result.text,{...s,rows:result.rows},{...s,rows});
            candidate={sheet:s,rows};break}catch{}}
        if(candidate)break;
      }
      if(!candidate)throw Error('no safe move fixture');
      const s=candidate.sheet,before=structuredClone(s);s.rows=candidate.rows;
      const out=e.exportEstx(p),q=m.importEstx(out),saved=q.quantitySheets.find(x=>x.Code===s.Code),a=m.unzip(bytes),b=m.unzip(out);
      process.stdout.write(JSON.stringify({rows:JSON.stringify(saved.rows)===JSON.stringify(s.rows),
        items:JSON.stringify(saved.items)===JSON.stringify(before.items),
        indexes:[...a].filter(([name])=>name.endsWith('.idx')).every(([name,data])=>data.equals(b.get(name)))}));"""
    result = json.loads(
        subprocess.check_output(["node", "-e", script, str(sample)], cwd=ROOT, timeout=90).decode(
            "utf-8"
        )
    )
    assert result == {"rows": True, "items": True, "indexes": True}