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import React, { useEffect, useState } from 'react'
import { Link } from 'react-router-dom'
export default function Questions({no,name,qlist,Checked,setChecked,qstate,setqstate,mode}) {
useEffect(() => {
let strs=localStorage.getItem('Checked'+`${no}`);
if (strs==null) return;
// let strs=localStorage.getItem('qstate');
// localStorage.setItem('Checked', "");
// localStorage.setItem('qstate', "");
let item1=[],item2=[];
// for(let i=0;i<strs.length;i++)
// {
// if (strs[i]!=','&&strs[i]!='/'&&strs[i]!='"'&&strs[i]!='['&&strs[i]!=']'&&(strs[i]<'a'||strs[i]>'z')) item2.push(strs[i]);
// }
for(let i=0;i<strs.length;i++)
{
// let iop = parseInt(strs[i] + strs[i+1]);
if (strs[i]==='+') { item2.push((strs[i] + strs[i+1] + strs[i+2])); i+=3;}
else if (strs[i]!=',' && strs[i]!='/' && strs[i]!='"' && strs[i]!='['&&strs[i]!=']' && (strs[i]<'a'||strs[i]>'z')&& strs[i]!="\\"&& strs[i]!='+' && strs[i]!='0' ) {item2.push(strs[i]);}
}
setChecked(item2);
console.log(item2);
localStorage.setItem('Checked'+`${no}`, JSON.stringify(item2));
// localStorage.setItem('qstate', JSON.stringify(item2));
}, []);
let qq = qlist;
function refreshPage() {
window.location.reload();
}
const handlechange = (id) => {
if (checkID(id)===true)
{
const newList = Checked.filter((idt) => idt !== id);
setChecked(newList);
localStorage.setItem('Checked'+`${no}`, JSON.stringify(newList));
localStorage.setItem('qstate', JSON.stringify(newList));
// const newList1 = qstate.filter((idt) => idt !== id);
// setqstate(newList1);
}
else {
// setqstate([...qstate,id]);
setChecked([...Checked,id]);
localStorage.setItem('Checked'+`${no}`, JSON.stringify(Checked+id));
}
// setChecked(Checked);
// window.location.reload();
}
// console.log(Checked,'2');
let checkID = (ele) =>
{
if (Checked==null) return false;
for(let i=0;i<Checked.length;i++)
{
if (ele==Checked[i]) return true;
}
return false;
}
const handleID = (str) => {
let ans = str.split('');
ans.reverse();
ans.pop();
ans.reverse();
ans.join('');
return ans;
}
// let classNamer ;
// mode=="dark" ? classNamer = "bg-blue-100" : classNamer = "mb-10";
return (
<div className = {"mb-20"}>
{/* {console.log ( mode == "dark" ? " bg-cyan-500 " : null )} */}
<div className='flex justify-center mt-24 ' >
<img className='w-10 h-10' src="Sparkle.png"></img>
<h1 className='text-4xl mb-3' >{name} Problems</h1>
</div>
<div className='flex justify-center mt-4'>
<Link className='pr-2 text-teal-600' to="/"> Topics </Link>
<p> / { name}</p>
</div>
<div className='flex text-center justify-center '>
<table className=' w-screen mt-20 ml-56 mr-56 '>
<tr className=' text-amber-50 bg-fuchsia-700 text-center'>
<th className=' border-1 font-normal text-center p-3 w-10'>ID</th>
<th className=' border-1 font-normal text-center p-3 '>Question(s)</th>
<th className='border-1 font-normal text-center p-3 w-36'>Status</th>
<th className='border-1 font-normal text-center p-3 w-20'>Done</th>
</tr>
{
qq.map((ele)=>{
{
return (
<tr className = { checkID(ele.ID)==true?"bg-green-400":ele.ID%2===0?"bg-cyan-100":"none" }>
<td className=' text-md text-sky-700 font-medium border-2 p-3 w-10'>
{ ele.ID[0]=='+'? handleID(ele.ID) : ele.ID }
</td>
<td className='text-md text-left text-sky-700 font-medium border-2 p-3'><Link target="_blank" to={ele.link}>{ele.Q}</Link></td>
<td className='text-md text-sky-700 font-medium text-center border-2 w-36'>
{
checkID(ele.ID)===false ? <img className='w-5 h-5' src="https://th.bing.com/th/id/OIP.2Ef1V0Yr3Lv_CZLcXBBt3gHaHa?pid=ImgDet&rs=1"></img> :
<img className='w-5 h-5' src="https://cdn.pixabay.com/photo/2012/04/24/16/22/check-40319_960_720.png"></img>
}
</td>
<td className='text-md text-sky-700 font-medium border-2 p-3 w-20'>
<input type="checkbox" onChange={()=>{handlechange(ele.ID)}} checked={checkID(ele.ID)}/>
</td>
</tr>
)
}
}
)
}
</table>
</div>
</div>
)
}
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