import React, { useState, useMemo, useEffect } from 'react';
import {
    Table,
    TableBody,
    TableCaption,
    TableCell,
    TableFooter,
    TableHead,
    TableHeader,
    TableRow,
} from "@/components/ui/table"
import { useRecoilValue } from 'recoil';
import { callFnState } from '@chainlit/react-client';
import {
    Card,
    CardAction,
    CardContent,
    CardDescription,
    CardFooter,
    CardHeader,
    CardTitle,
} from "@/components/ui/card"

import { ClipboardPaste, Plus, Lock, LockOpen } from 'lucide-react'

import { Button } from "@/components/ui/button"

import { Input } from "@/components/ui/input"

// Internal Badge component to avoid import errors
const Badge = ({ children, className }) => (
    <span className={`bg-pii text-blue-800 rounded-full px-2 py-1 mx-1 transition-colors text-main-700 ${className}`}>
        {children}
    </span>
);

function PII() {
    // const dic = props.dic || {};
    const [dic, setDict] = useState(props.dic || {});
    const [searchTerm, setSearchTerm] = useState('');
    const [dictionary, setDictionary] = useState({});
    const [systemLang, setSystemLang] = useState((typeof navigator !== 'undefined' && (navigator.language || navigator.userLanguage)) ? (navigator.language || navigator.userLanguage).split('-')[0] : 'en');
    const callFn = useRecoilValue(callFnState);
    const handleUpdatePii = (key, value) => {
        callAction(
            {
                name: "update_pii", payload: {
                    key: key,
                    value: value
                }
            }
        )
        setDict({ ...dic, [key]: { ...dic[key], locked: !dic[key]['locked'] } });
    };
    useEffect(() => {
        // Fetch the file from the public path
        fetch('/public/dictionnaire.json')
            .then(response => response.json()) // Parse the response as JSON
            .then(data => setDictionary(data)) // Set the data in state
            .catch(error => console.error('Error fetching JSON:', error));
    }, []);

    // Determine system language
    // const systemLang = (typeof navigator !== 'undefined' && (navigator.language || navigator.userLanguage)) ? (navigator.language || navigator.userLanguage).split('-')[0] : 'en';

    // Enrich dictionary with localized types
    function getType(typ) {
        if (dictionary[typ]) {
            return dictionary[typ][systemLang] || dictionary[typ]['en'] || typ;
        }
        return typ;
    }

    const enrichedDic = useMemo(() => {
        return Object.entries(dic).reduce((acc, [key, value]) => {
            const typeKey = value.type;
            const dictEntry = dictionary[typeKey];
            const localizedType = dictEntry
                ? (dictEntry[systemLang] || dictEntry['en'] || typeKey)
                : typeKey;

            acc[key] = { ...value, typ: localizedType };
            return acc;
        }, {});
    }, [dic, systemLang]);

    const filteredDic = useMemo(() => {
        if (searchTerm.trim() === '') {

            return enrichedDic;
        }
        return Object.fromEntries(
            Object.entries(enrichedDic).filter(([key, value]) =>
                String(value.type).toLowerCase().includes(searchTerm.toLowerCase()) ||
                String(value.value).toLowerCase().includes(searchTerm.toLowerCase())
            )
        );
    }, [searchTerm, enrichedDic]);

    const handlInsert = (value) => {
        console.log("value", value);
        const chatInput = document.getElementById('chat-input');
        if (chatInput && chatInput instanceof HTMLTextAreaElement) {
            const start = chatInput.selectionStart;
            const end = chatInput.selectionEnd;
            const currentValue = chatInput.value;
            const spaceToAdd = " ";
            const newValue = currentValue.substring(0, start) + spaceToAdd + value + spaceToAdd + currentValue.substring(end);
            chatInput.value = newValue;
            chatInput.selectionStart = chatInput.selectionEnd = start + spaceToAdd.length + String(value).length + spaceToAdd.length;
            chatInput.focus();
        } else {
            console.warn('Textarea with id "chat-input" not found.');
        }
    }

    return (
        <div className='flex flex-col gap-4'>
            <div className="relative">
                <svg className="absolute left-2 top-1/2 -translate-y-1/2 h-4 w-4 text-gray-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
                </svg>
                <Input
                    type="text"
                    placeholder="Rechercher"
                    value={searchTerm}
                    onChange={(e) => setSearchTerm(e.target.value)}
                    className="pl-8"
                />
            </div>
            {Object.entries(filteredDic).map(([key, value]) => (

                <div className='flex flex-col p-4 border-2 rounded-xl gap-2' key={key}>
                    <span className="text-primary-700">{value.value}</span>
                    <div className='flex flex-row justify-between'>
                        <Badge>{getType(value.type)}</Badge>
                        <div className='flex flex-row gap-2'>
                            <Button variant="outline" className={value.locked ? "p-2 h-8 rounded-full bg-locked" : "p-2 h-8 rounded-full bg-unlocked"} onClick={() => handleUpdatePii(`${key}`, value.value)}>
                                {value.locked ? <Lock className="font-bold" /> : <LockOpen className="font-bold" />}
                            </Button>
                            <Button variant="outline" className="p-2 h-8 w-8 rounded-full" onClick={() => handlInsert(value.locked ? `[${value.type}_${key}]` : value.value)}>
                                <Plus className="font-bold" />
                            </Button>
                        </div>
                    </div>
                </div>
            ))}
        </div>
    )
};

export default PII;