const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');

const html = fs.readFileSync(path.join(__dirname, '..', 'index.html'), 'utf8');
const match = html.match(/<script>([\s\S]*?)<\/script>/);
assert.ok(match, 'inline application script is missing');

const applicationSource = match[1].replace(/\s*render\(\);\s*$/, '');
const tests = [];
const runtimeTests = String.raw`
render=()=>{};
showModal=(message,onConfirm)=>{globalThis.__lastModal={message,onConfirm}};
closeModal=()=>{};
toast=()=>{};

function test(name,fn){tests.push({name,fn})}

test('consolidation ignores dropship pallet lookup and clears type inputs',()=>{
  state.palletOrderType='dropship';
  state.fbaPalletLabels=['D4444-TC-001'];
  state.dropshipPalletLabel='D2222-TC-001';
  state.palletTypeMessage={type:'error',text:'stale'};
  state.fbaPalletMessage={type:'error',text:'stale'};
  state.dropshipScanMessage={type:'error',text:'stale'};
  startConsolidation();
  assert.deepEqual(state.fbaPalletLabels,[]);
  assert.equal(state.dropshipPalletLabel,'');
  assert.equal(state.palletTypeMessage,null);
  assert.equal(state.fbaPalletMessage,null);
  assert.equal(state.dropshipScanMessage,null);

  state.pallet={id:'DRAFT',mode:'consolidate',planId:null,targetPallets:null,destinationCode:'',destinationAddress:'',items:[]};
  document.__input='D2222-TC-001';
  handlePalletScan();
  assert.equal(state.pallet.items.length,0,'consolidation must not import an existing pallet');
  assert.equal(state.dropshipPalletLabel,'');
});

test('starting and selecting jobs reset type-specific inputs',()=>{
  state.palletMode='palletize';
  state.selectedPlanId='INB-260819-026';
  state.fbaPalletLabels=['D4444-TC-001'];
  state.dropshipPalletLabel='D2222-TC-001';
  state.fbaPalletMessage={type:'error',text:'stale'};
  state.dropshipScanMessage={type:'error',text:'stale'};
  startPallet();
  assert.deepEqual(state.fbaPalletLabels,[]);
  assert.equal(state.dropshipPalletLabel,'');
  assert.equal(state.fbaPalletMessage,null);
  assert.equal(state.dropshipScanMessage,null);

  state.fbaPalletLabels=['D4444-TC-002'];
  state.dropshipPalletLabel='D2222-TC-001';
  selectPallet('D4444-TC-003','INB-260819-026');
  assert.deepEqual(state.fbaPalletLabels,[]);
  assert.equal(state.dropshipPalletLabel,'');

  state.fbaPalletLabels=['D4444-TC-004'];
  state.dropshipPalletLabel='D2222-TC-001';
  document.__input='BX-88401-01';
  handlePalletTopScan();
  assert.deepEqual(state.fbaPalletLabels,[]);
  assert.equal(state.dropshipPalletLabel,'');

  state.fbaPalletLabels=['D4444-TC-005'];
  state.dropshipPalletLabel='D2222-TC-001';
  startNewConsolidation();
  assert.deepEqual(state.fbaPalletLabels,[]);
  assert.equal(state.dropshipPalletLabel,'');

  state.fbaPalletLabels=['D4444-TC-006'];
  state.dropshipPalletLabel='D2222-TC-001';
  reconsolidatePallet('D2222-TC-019');
  assert.deepEqual(state.fbaPalletLabels,[]);
  assert.equal(state.dropshipPalletLabel,'');
});

test('FBA selector disables occupied labels and every label for persisted pallets',()=>{
  state.palletOrderType='fba';
  state.pallet={id:'',mode:'palletize',planId:'INB-260819-018',items:[],persisted:false};
  let markup=fbaPalletLabelSelector(plans[0]);
  assert.match(markup,/D2222-TC-001[\s\S]*?<\/button>/);
  const occupiedButton=markup.match(/<button[^>]*>[\s\S]*?D2222-TC-001[\s\S]*?<\/button>/)?.[0]||'';
  assert.match(occupiedButton,/disabled/);

  state.pallet.persisted=true;
  markup=fbaPalletLabelSelector(plans[0]);
  const buttons=[...markup.matchAll(/<button[^>]*class="fba-pallet-choice[^>]*>/g)].map(match=>match[0]);
  assert.ok(buttons.length>1);
  assert.ok(buttons.every(button=>button.includes('disabled')));
});

test('FBA and dropship validation messages render in their owning modules',()=>{
  state.palletMode='palletize';
  state.selectedPlanId='INB-260819-026';
  state.pallet={id:'',mode:'palletize',planId:'INB-260819-026',destinationCode:'',destinationAddress:'',items:[]};
  state.fbaPalletMessage={type:'error',text:'FBA_MESSAGE'};
  const selector=fbaPalletLabelSelector(plans[2]);
  assert.match(selector,/fba-pallet-selector[\s\S]*FBA_MESSAGE/);

  state.palletOrderType='dropship';
  state.fbaPalletMessage=null;
  state.dropshipScanMessage={type:'error',text:'DROPSHIP_MESSAGE'};
  const view=palletView();
  const scanStart=view.indexOf('pallet-type-scan');
  const scanEnd=view.indexOf('</section>',scanStart);
  assert.ok(scanStart>=0 && view.slice(scanStart,scanEnd).includes('DROPSHIP_MESSAGE'));
});

test('FBA submission materializes every available selected label exactly once',()=>{
  const plan=plans[2];
  const originalPallets=state.pallets.map(pallet=>JSON.parse(JSON.stringify(pallet)));
  const originalReceived=plan.receivedPallets;
  const source=cargo.find(item=>item.id==='C-004');
  source.palletNo='';
  state.pallets=originalPallets;
  state.selectedPlanId=plan.id;
  state.palletMode='palletize';
  state.palletOrderType='fba';
  state.fbaPalletLabels=['D4444-TC-001','D4444-TC-002'];
  state.pallet={id:'',mode:'palletize',planId:plan.id,targetPallets:plan.expectedPallets,destinationCode:source.destinationCode,destinationAddress:source.destinationAddress,items:[{...source}]};
  submitPallet();

  const created=state.pallets.filter(pallet=>['D4444-TC-001','D4444-TC-002'].includes(pallet.id));
  assert.equal(created.length,2);
  assert.equal(new Set(created.map(pallet=>pallet.id)).size,2);
  assert.equal(created.reduce((count,pallet)=>count+pallet.items.length,0),1,'cargo must be linked once across the selected pallets');
  assert.equal(source.palletNo,'D4444-TC-001');
  assert.equal(plan.receivedPallets,Math.min(plan.expectedPallets,originalReceived+2));
});

for(const entry of tests){
  try{entry.fn();process.stdout.write('PASS: '+entry.name+'\n')}
  catch(error){process.stderr.write('FAIL: '+entry.name+'\n'+error.stack+'\n');globalThis.__failed=(globalThis.__failed||0)+1}
}
if(globalThis.__failed)throw new Error(globalThis.__failed+' runtime behavior test(s) failed');
`;

const documentStub = {
  __input: '',
  getElementById(id) {
    if (id === 'pallet-scan' || id === 'pallet-top-scan') return { value: this.__input };
    return null;
  }
};

const run = new Function('assert', 'tests', 'localStorage', 'document', 'window', applicationSource + '\n' + runtimeTests);
run(assert, tests, { getItem: () => null, setItem: () => {} }, documentStub, { scrollTo: () => {} });