// Imported from investidor/resources/js/modules/news/sections/about/AboutStory.tsx; original content preserved.
import { useState, useEffect, useRef } from 'react';
import { Trans } from './source-text';

const aboutimgstory = '/assets/imgs/aboutimgstory.png';

interface CounterProps {
    end: number;
    suffix?: string;
}

const Counter = ({ end, suffix = '' }: CounterProps) => {
    const [count, setCount] = useState<number>(0);
    const countRef = useRef<number>(0);

    useEffect(() => {
        const duration = 2000;
        const increment = end / (duration / 16);

        const timer = setInterval(() => {
            countRef.current += increment;
            if (countRef.current >= end) {
                clearInterval(timer);
                countRef.current = end;
            }
            setCount(Math.floor(countRef.current));
        }, 16);

        return () => clearInterval(timer);
    }, [end]);

    return (
        <span>
            {count}
            {suffix}
        </span>
    );
};

export const AboutStory = () => {
    const [isVisible, setIsVisible] = useState<boolean>(false);
    const [counted, setCounted] = useState<boolean>(false);
    const sectionRef = useRef<HTMLDivElement>(null);

    useEffect(() => {
        const observer = new IntersectionObserver(
            ([entry]) => {
                if (entry.isIntersecting) {
                    setIsVisible(true);
                    setCounted(true);
                }
            },
            { threshold: 0.2 },
        );

        if (sectionRef.current) {
            observer.observe(sectionRef.current);
        }

        return () => {
            if (sectionRef.current) {
                observer.unobserve(sectionRef.current);
            }
        };
    }, []);

    return (
        <section
            ref={sectionRef}
            className={`bg-primary px-6 transition-all duration-1000 md:px-12 lg:px-20 ${
                isVisible
                    ? 'translate-y-0 opacity-100'
                    : 'translate-y-10 opacity-0'
            }`}
        >
            <div className="mx-auto max-w-6xl">
                <div className="grid grid-cols-1 items-stretch gap-x-12 gap-y-2 lg:grid-cols-2">
                    {/* Imagem */}
                    <div
                        className={`relative transition-all delay-200 duration-1000 ${
                            isVisible
                                ? 'translate-x-0 opacity-100'
                                : '-translate-x-12 opacity-0'
                        }`}
                    >
                        <div className="group relative h-64 overflow-hidden rounded-2xl md:h-72">
                            <img
                                src={aboutimgstory}
                                alt="Equipe Tempo"
                                className="h-full w-full object-cover transition-transform duration-1000 group-hover:scale-110"
                                onError={(e) => {
                                    e.currentTarget.src =
                                        '/assets/images/info.png';
                                }}
                            />
                            <div className="pointer-events-none absolute inset-0 bg-black/12" />

                            <div className="absolute right-4 bottom-4 left-4">
                                <div className="flex flex-col gap-4 sm:flex-row sm:items-end sm:gap-8">
                                    <div className="rounded-xl bg-black/20 p-3 backdrop-blur-sm transition-all sm:bg-transparent sm:p-0 sm:backdrop-blur-none">
                                        <div
                                            className="text-4xl font-black tracking-tighter text-white md:text-6xl"
                                            style={{
                                                textShadow:
                                                    '0 4px 12px rgba(0,0,0,0.95), 0 2px 6px rgba(0,0,0,0.9)',
                                            }}
                                        >
                                            {counted ? (
                                                <Counter end={50} suffix="+" />
                                            ) : (
                                                '50+'
                                            )}
                                        </div>
                                        <div
                                            className="mt-1 text-xs font-bold tracking-widest text-white uppercase opacity-90 md:text-lg"
                                            style={{
                                                textShadow:
                                                    '0 3px 10px rgba(0,0,0,0.9), 0 1px 4px black',
                                            }}
                                        >
                                            <Trans>Anos de Experiência</Trans>
                                        </div>
                                    </div>
                                    <div className="rounded-xl bg-black/20 p-3 backdrop-blur-sm transition-all sm:bg-transparent sm:p-0 sm:backdrop-blur-none">
                                        <div
                                            className="text-4xl font-black tracking-tighter text-[#ED1C24] md:text-6xl"
                                            style={{
                                                textShadow:
                                                    '0 4px 12px rgba(0,0,0,0.95), 0 2px 6px rgba(0,0,0,0.9)',
                                            }}
                                        >
                                            {counted ? (
                                                <Counter end={200} suffix="+" />
                                            ) : (
                                                '200+'
                                            )}
                                        </div>
                                        <div
                                            className="mt-1 text-xs font-bold tracking-widest text-white uppercase opacity-90 md:text-lg"
                                            style={{
                                                textShadow:
                                                    '0 3px 10px rgba(0,0,0,0.9), 0 1px 4px black',
                                            }}
                                        >
                                            <Trans>Projetos Realizados</Trans>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>

                        <div
                            className={`absolute -right-6 -bottom-6 -z-10 h-32 w-32 rounded-2xl border-2 border-red-600/30 transition-all delay-500 duration-1000 ${
                                isVisible
                                    ? 'scale-100 opacity-100'
                                    : 'scale-0 opacity-0'
                            }`}
                        />
                    </div>

                    {/* Texto */}
                    <div
                        className={`flex flex-col justify-center space-y-4 transition-all delay-500 duration-1000 ${
                            isVisible
                                ? 'translate-x-0 opacity-100'
                                : '-translate-x-12 opacity-0'
                        }`}
                    >
                        <p className="text-base leading-relaxed font-light text-white md:text-lg">
                            <Trans>
                                Somos detentores de um vasto património cultural
                                e tecnológico, resultado da integração e da
                                cooperação entre diversas empresas com ampla
                                experiência nas áreas de Tecnologias de
                                Informação e Comunicação, produção e
                                disseminação de conteúdos informativos, educação
                                vocacional e gestão empresarial.
                            </Trans>
                        </p>
                        <p className="text-base leading-relaxed font-light text-white md:text-lg">
                            <Trans>
                                Dispomos de uma equipa qualificada, com sólida
                                experiência na concepção e implementação de
                                soluções de TI, de cibersegurança, de
                                desenvolvimento institucional, de reengenharia
                                de processos organizacionais e de formação
                                profissional.
                            </Trans>
                        </p>
                    </div>
                </div>
            </div>
        </section>
    );
};

export default AboutStory;