const { ipcRenderer } = require('electron');

var isFinding = false;

async function selectFolder() {
  try {
     const dir = await ipcRenderer.invoke('selectDirectory', {});
     if(!dir) return;
     console.log(dir);
     document.getElementById("lblFolder").value = dir;
     saveState();
  } catch(err) {console.log(err)}
}



async function find() {
  try {
     if(isFinding) return;  // evita clicar novamente enquanto ainda esta processando

     let list = document.getElementById("list").value;
     let listExclude = document.getElementById("listExclude").value;
     let dir = document.getElementById("lblFolder").value;
     if(!dir) return;
     if(!list) return;

     isFinding = true;

     document.getElementById('cnt2').innerText = "";
     document.getElementById("copyBar").value = 0;
     document.getElementById("btnFind").classList.add("button--loading");

     document.getElementById("listFound").value = "";
     await new Promise(resolve => setTimeout(resolve, 300));

     let tokens = list.replace(/\r\n/g,"\n").split("\n");
     tokens = tokens.filter(n => `${n}`);
     tokens = arraySortDistinct(tokens);

     let tokensExclude = listExclude.replace(/\r\n/g,"\n").split("\n");
     tokensExclude = tokensExclude.filter(n => `${n}`);
     tokensExclude = arraySortDistinct(tokensExclude);


     let allFiles = await ipcRenderer.invoke('listFiles', dir);
     allFiles = allFiles.filter(n => `${n}`);
     allFiles = arraySortDistinct(allFiles);

     let found = [];

     for (let f = 0; f < allFiles.length; f++) {
       
       let fileName = allFiles[f]; //.toLowerCase();
       fileName = fileName.replace(/^.*[\\/]/, '');  // remove o fullpath deixando apenas o nome do arquivo;
       fileName = removeAcentos(fileName);

       let match1 = false; 
       let match2 = false;

       for (let t = 0; t < tokens.length; t++) {
          let fnd = tokens[t]; //.toLowerCase();
          fnd = removeAcentos(fnd);
          //if( fileName.includes(fnd) ) {found.push(allFiles[f]);break;}; // quebra o segundo for
          if(matchWildCard(fileName,fnd)) {match1 = true;break;};
       }

       for (let t = 0; t < tokensExclude.length; t++) {
          let fnd = tokensExclude[t]; //.toLowerCase();
          fnd = removeAcentos(fnd);
          if(matchWildCard(fileName,fnd)) {match2 = true;break;};
       }

       if(match1 && !match2) found.push(allFiles[f]);
     }

     found = arraySortDistinct(found);
     
     let txt = found.join("\n");
     document.getElementById("listFound").value = txt;

     document.getElementById('cnt2').innerText = found.length + " of " + allFiles.length;

     document.getElementById("btnFind").classList.remove("button--loading");
     isFinding = false;

  } catch(err) {console.log(err)}
}



async function copy() {
  try {
     let list = document.getElementById("listFound").value;
     if(!list) return;

     let files = list.replace(/\r\n/g,"\n").split("\n");

     let bar = document.getElementById("copyBar");
     bar.value = 0;
     bar.max = files.length;


     for(let f = 0; f < files.length; f++) {
        let file = files[f];
        bar.value = f;
        bar.dataset.label = `${f}/${files.length}`;
        await ipcRenderer.invoke('copyFile', file);
     }

     bar.value = bar.max;
     bar.dataset.label = `${bar.max}/${bar.max}`;

  } catch(err) {console.log(err)}
}


function countLines(obj,lbl) {
   let arr = obj.value;
   arr = arr.replace(/\r\n/g,"\n").split("\n");
   arr = arr.filter(n => `${n}`);

   let cnt = arr.length;

   document.getElementById(lbl).innerText = cnt + " items";
}


async function init() {
   let out = await ipcRenderer.invoke('getOutputFolder', {});
   document.getElementById("lblOutputFolder").value = out;

   restoreState();
}


function arraySortDistinct(a) {
    return a.sort().filter(function(item, pos, ary) {
        return !pos || item != ary[pos - 1];
    });
}


/*
function matchWildCard(str, rule) {
  let escapeRegex = (str) => str.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
  return new RegExp("^" + rule.split("*").map(escapeRegex).join(".*") + "$").test(str);
}
*/

function matchWildCard(str, wildcard) {
  let w = wildcard.replace(/[.+^${}()|[\]\\]/g, '\\$&'); // regexp escape 
  const re = new RegExp(`^${w.replace(/\*/g,'.*').replace(/\?/g,'.')}$`,'i');  // case insensitive
  return re.test(str); // remove last 'i' above to have case sensitive
}

function removeAcentos( strTxt ) {
  return(strTxt.normalize("NFD").replace(/[\u0300-\u036f]/g, ""));
}


function saveState() {
    localStorage.setItem("list",document.getElementById("list").value);
    localStorage.setItem("listExclude",document.getElementById("listExclude").value);
    localStorage.setItem("lblFolder",document.getElementById("lblFolder").value);
}


function restoreState() {
    document.getElementById("list").value = localStorage.getItem("list") || "";
    document.getElementById("listExclude").value = localStorage.getItem("listExclude") || "";
    document.getElementById("lblFolder").value = localStorage.getItem("lblFolder") || "";

    countLines(document.getElementById("list"),'cnt1');
}