David Fencl
442 lines
20 KiB
TypeScript
442 lines
20 KiB
TypeScript
import { useState, useEffect } from 'react';
|
|
import { Helmet } from 'react-helmet-async';
|
|
import { FiTrendingUp, FiTrendingDown, FiStar } from 'react-icons/fi';
|
|
import { type Language, t } from '../translations';
|
|
import { AreaChart, Area, ResponsiveContainer, YAxis } from 'recharts';
|
|
import { useNavigate } from 'react-router-dom';
|
|
import { slugify } from '../utils/slugify';
|
|
import { useFavorites } from '../hooks/useFavorites';
|
|
import { CircularProgress } from './CircularProgress';
|
|
import { Tooltip } from './Tooltip';
|
|
import { TbSwimming, TbSailboat } from 'react-icons/tb';
|
|
|
|
interface Lake {
|
|
id: string;
|
|
name: string;
|
|
river: string;
|
|
priority: boolean;
|
|
level: number;
|
|
capacity: number;
|
|
storageDiff?: number;
|
|
inflow: number;
|
|
outflow: number;
|
|
volume: number;
|
|
maxVolume: number;
|
|
navigationForbidden: boolean;
|
|
sparkline: number[];
|
|
country?: string;
|
|
area?: number;
|
|
depth?: number;
|
|
}
|
|
|
|
const getFlagEmoji = (countryCode?: string) => {
|
|
const code = countryCode || 'CZ';
|
|
const codePoints = code
|
|
.toUpperCase()
|
|
.split('')
|
|
.map(char => 127397 + char.charCodeAt(0));
|
|
return String.fromCodePoint(...codePoints);
|
|
};
|
|
|
|
const LakeCard = ({ lake, language, isFav, onToggleFav }: { lake: Lake, language: Language, isFav: boolean, onToggleFav: (id: string) => void }) => {
|
|
const navigate = useNavigate();
|
|
const chartData = lake.sparkline.map((val, i) => ({ name: i, value: val }));
|
|
|
|
const minVal = Math.min(...lake.sparkline);
|
|
const maxVal = Math.max(...lake.sparkline);
|
|
const diff = maxVal - minVal;
|
|
const padding = diff === 0 ? 0.1 : diff * 0.1; // dynamic 10% padding
|
|
const yDomain = [minVal - padding, maxVal + padding];
|
|
|
|
const firstVal = lake.sparkline[0] || 0;
|
|
const lastVal = lake.sparkline[lake.sparkline.length - 1] || 0;
|
|
const trendDiff = lastVal - firstVal;
|
|
|
|
// Dynamic color based on trend direction: stable=cyan, rising=green, falling=red
|
|
let trendColor = 'var(--color-cyan)';
|
|
if (trendDiff > 0.01) trendColor = 'var(--color-green)';
|
|
else if (trendDiff < -0.01) trendColor = 'var(--color-red)';
|
|
|
|
return (
|
|
<div
|
|
className="kpi-card priority-lake-card"
|
|
onClick={() => navigate(`/${slugify(lake.name)}`)}
|
|
style={{ cursor: 'pointer', flex: 1, padding: '1.5rem', display: 'flex', flexDirection: 'column', gap: '1.5rem', position: 'relative' }}
|
|
>
|
|
{/* Star / Favorite button */}
|
|
<button
|
|
onClick={(e) => { e.stopPropagation(); onToggleFav(lake.id); }}
|
|
title={isFav ? (language === 'cs' ? 'Odepnout' : 'Unpin') : (language === 'cs' ? 'Připnout jako oblíbené' : 'Pin to favorites')}
|
|
style={{
|
|
position: 'absolute', top: '1rem', right: '1rem',
|
|
background: 'none', border: 'none', cursor: 'pointer',
|
|
color: isFav ? '#f59e0b' : 'var(--text-muted)',
|
|
opacity: isFav ? 1 : 0.4,
|
|
transition: 'color 0.2s, opacity 0.2s, transform 0.15s',
|
|
padding: '4px',
|
|
display: 'flex', alignItems: 'center',
|
|
zIndex: 2,
|
|
}}
|
|
onMouseOver={(e) => { e.currentTarget.style.opacity = '1'; e.currentTarget.style.transform = 'scale(1.2)'; }}
|
|
onMouseOut={(e) => { e.currentTarget.style.opacity = isFav ? '1' : '0.4'; e.currentTarget.style.transform = 'scale(1)'; }}
|
|
>
|
|
<FiStar size={18} fill={isFav ? '#f59e0b' : 'none'} />
|
|
</button>
|
|
|
|
{/* Flag / Country badge */}
|
|
{lake.country && lake.country !== 'CZ' && (
|
|
<span style={{
|
|
position: 'absolute', top: '1rem', right: '2.5rem',
|
|
fontSize: '0.7rem', padding: '0.15rem 0.4rem', borderRadius: '4px',
|
|
backgroundColor: 'rgba(255,255,255,0.08)', color: 'var(--text-muted)',
|
|
border: '1px solid var(--border-color)', fontWeight: 'bold'
|
|
}}>
|
|
{lake.country}
|
|
</span>
|
|
)}
|
|
|
|
<div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'flex-start', paddingRight: '2.5rem' }}>
|
|
<h3 style={{ fontSize: '1.25rem', fontWeight: 'bold', margin: 0, lineHeight: '1.3' }}>
|
|
<span style={{ marginRight: '0.5rem', fontSize: '1.4rem', verticalAlign: 'middle', display: 'inline-block', lineHeight: 1 }}>{getFlagEmoji(lake.country)}</span>
|
|
<span style={{ verticalAlign: 'middle' }}>{lake.name} {lake.river ? `- ${lake.river}` : ''}</span>
|
|
</h3>
|
|
<div style={{ display: 'flex', gap: '0.4rem', flexShrink: 0 }}>
|
|
<Tooltip content={lake.navigationForbidden ? (language === 'cs' ? 'Koupání zakázáno' : 'Swimming forbidden') : (language === 'cs' ? 'Koupání (bez omezení)' : 'Swimming allowed')}>
|
|
<TbSwimming size={20} color={lake.navigationForbidden ? 'var(--color-red)' : 'var(--color-green)'} style={{ opacity: lake.navigationForbidden ? 0.5 : 0.8 }} />
|
|
</Tooltip>
|
|
<Tooltip content={lake.navigationForbidden ? (language === 'cs' ? 'Plavba zakázána' : 'Navigation forbidden') : (language === 'cs' ? 'Plavba (i bezmotorová) povolena' : 'Navigation allowed')}>
|
|
<TbSailboat size={20} color={lake.navigationForbidden ? 'var(--color-red)' : 'var(--color-green)'} style={{ opacity: lake.navigationForbidden ? 0.5 : 0.8 }} />
|
|
</Tooltip>
|
|
</div>
|
|
</div>
|
|
|
|
<div style={{ display: 'flex', alignItems: 'center', gap: '1rem', marginBottom: '1rem' }}>
|
|
<CircularProgress value={lake.capacity} size={70} strokeWidth={6} />
|
|
<div>
|
|
<div style={{ fontSize: '0.8rem', color: 'var(--text-muted)' }}>Water level</div>
|
|
<div style={{ fontSize: '2rem', fontWeight: 'bold', display: 'flex', alignItems: 'baseline', gap: '0.25rem', lineHeight: '1.1' }}>
|
|
{lake.level} <span style={{ fontSize: '1rem', fontWeight: 'normal', color: 'var(--text-muted)', whiteSpace: 'nowrap' }}>m n.m.</span>
|
|
</div>
|
|
<div style={{ display: 'flex', alignItems: 'center', gap: '1rem', marginTop: '0.25rem' }}>
|
|
{lake.storageDiff !== undefined && (
|
|
<div style={{ fontSize: '1rem', color: lake.storageDiff >= 0 ? 'var(--color-green)' : 'var(--color-red)', fontWeight: 'bold', whiteSpace: 'nowrap' }}>
|
|
{lake.storageDiff > 0 ? '+' : ''}{lake.storageDiff.toFixed(2)} m
|
|
</div>
|
|
)}
|
|
{lake.maxVolume > 0 && (
|
|
<div style={{ fontSize: '0.85rem', color: 'var(--text-muted)', whiteSpace: 'nowrap' }}>
|
|
{lake.volume.toFixed(1)} / {lake.maxVolume.toFixed(1)} mil. m³
|
|
</div>
|
|
)}
|
|
</div>
|
|
{((lake.area !== undefined && lake.area > 0) || (lake.depth !== undefined && lake.depth > 0)) && (
|
|
<div style={{ display: 'flex', gap: '0.75rem', marginTop: '0.35rem', fontSize: '0.8rem', color: 'var(--text-muted)' }}>
|
|
{lake.area !== undefined && lake.area > 0 && (
|
|
<span>{language === 'cs' ? 'Rozloha:' : 'Area:'} <strong style={{ color: 'var(--text-main)' }}>{lake.area} km²</strong></span>
|
|
)}
|
|
{lake.depth !== undefined && lake.depth > 0 && (
|
|
<span>{language === 'cs' ? 'Hloubka:' : 'Depth:'} <strong style={{ color: 'var(--text-main)' }}>{lake.depth} m</strong></span>
|
|
)}
|
|
</div>
|
|
)}
|
|
</div>
|
|
</div>
|
|
|
|
<div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
|
|
<div style={{ flex: 1, height: '40px', marginRight: '2rem' }}>
|
|
<ResponsiveContainer width="100%" height="100%">
|
|
<AreaChart data={chartData}>
|
|
<defs>
|
|
<linearGradient id={`colorSpark-${lake.id}`} x1="0" y1="0" x2="0" y2="1">
|
|
<stop offset="5%" stopColor={trendColor} stopOpacity={0.8} />
|
|
<stop offset="95%" stopColor={trendColor} stopOpacity={0} />
|
|
</linearGradient>
|
|
</defs>
|
|
<YAxis domain={yDomain} hide />
|
|
<Area type="monotone" dataKey="value" stroke={trendColor} fillOpacity={1} fill={`url(#colorSpark-${lake.id})`} baseValue={yDomain[0]} />
|
|
</AreaChart>
|
|
</ResponsiveContainer>
|
|
</div>
|
|
|
|
<div style={{ display: 'flex', flexDirection: 'column', gap: '0.25rem', fontSize: '0.85rem' }}>
|
|
<div style={{ display: 'flex', gap: '0.5rem' }}>
|
|
<FiTrendingUp color="var(--color-green)" />
|
|
<span style={{ color: 'var(--text-muted)' }}>Inflow <span style={{ color: 'var(--color-green)' }}>{lake.inflow} m³/s</span></span>
|
|
</div>
|
|
<div style={{ display: 'flex', gap: '0.5rem' }}>
|
|
<FiTrendingDown color="var(--color-red)" />
|
|
<span style={{ color: 'var(--text-muted)' }}>Outflow <span style={{ color: 'var(--color-red)' }}>{lake.outflow} m³/s</span></span>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
);
|
|
};
|
|
|
|
interface Props {
|
|
language: Language;
|
|
windUnit?: 'kmh' | 'ms';
|
|
}
|
|
|
|
const LakesOverview = ({ language }: Props) => {
|
|
const [lakes, setLakes] = useState<Lake[]>([]);
|
|
const [selectedCountry, setSelectedCountry] = useState<string>(() => sessionStorage.getItem('lakes_selectedCountry') || 'ALL');
|
|
const [sortBy, setSortBy] = useState<string>(() => sessionStorage.getItem('lakes_sortBy') || 'name-asc');
|
|
const { isFavorite, toggleFavorite } = useFavorites();
|
|
|
|
useEffect(() => {
|
|
sessionStorage.setItem('lakes_selectedCountry', selectedCountry);
|
|
}, [selectedCountry]);
|
|
|
|
useEffect(() => {
|
|
sessionStorage.setItem('lakes_sortBy', sortBy);
|
|
}, [sortBy]);
|
|
|
|
useEffect(() => {
|
|
const loadData = () => {
|
|
fetch(`/data/lakes_index.json?t=${Date.now()}`)
|
|
.then(res => res.json())
|
|
.then(data => setLakes(data.filter((l: Lake & { type?: string }) => l.type !== 'river')))
|
|
.catch(err => console.error(err));
|
|
};
|
|
|
|
loadData();
|
|
const intervalId = setInterval(loadData, 60 * 1000); // Poll every 1 minute
|
|
return () => clearInterval(intervalId);
|
|
}, []);
|
|
|
|
const countries = Array.from(new Set(lakes.map(l => l.country || 'CZ'))).filter(Boolean).sort();
|
|
|
|
const sortLakes = (list: Lake[]) => {
|
|
return [...list].sort((a, b) => {
|
|
switch (sortBy) {
|
|
case 'volume-desc':
|
|
return (b.maxVolume || 0) - (a.maxVolume || 0);
|
|
case 'area-desc':
|
|
return (b.area || 0) - (a.area || 0);
|
|
case 'depth-desc':
|
|
return (b.depth || 0) - (a.depth || 0);
|
|
case 'name-desc':
|
|
return b.name.localeCompare(a.name);
|
|
case 'capacity-desc':
|
|
return b.capacity - a.capacity;
|
|
case 'inflow-desc':
|
|
return parseFloat(b.inflow as any) - parseFloat(a.inflow as any);
|
|
case 'outflow-desc':
|
|
return parseFloat(b.outflow as any) - parseFloat(a.outflow as any);
|
|
case 'name-asc':
|
|
default:
|
|
return a.name.localeCompare(b.name);
|
|
}
|
|
});
|
|
};
|
|
|
|
// Filter based on country
|
|
const countryFiltered = lakes.filter(l => selectedCountry === 'ALL' || (l.country || 'CZ') === selectedCountry);
|
|
|
|
// Filter based on sorting preset requirements if needed
|
|
const preFiltered = (() => {
|
|
if (sortBy === 'area-desc') {
|
|
return countryFiltered.filter(l => l.area !== undefined && l.area > 0);
|
|
}
|
|
if (sortBy === 'depth-desc') {
|
|
return countryFiltered.filter(l => l.depth !== undefined && l.depth > 0);
|
|
}
|
|
if (sortBy === 'volume-desc') {
|
|
return countryFiltered.filter(l => l.maxVolume !== undefined && l.maxVolume > 0);
|
|
}
|
|
return countryFiltered;
|
|
})();
|
|
|
|
const sortedLakes = sortLakes(preFiltered);
|
|
|
|
const isPhysicalRank = ['volume-desc', 'area-desc', 'depth-desc'].includes(sortBy);
|
|
const priorityLakes = !isPhysicalRank ? sortedLakes.filter(l => l.priority) : [];
|
|
const otherLakes = !isPhysicalRank ? sortedLakes.filter(l => !l.priority) : [];
|
|
const rankedLakes = isPhysicalRank ? sortedLakes : [];
|
|
|
|
return (
|
|
<div style={{ display: 'flex', flexDirection: 'column', gap: '2rem' }}>
|
|
<Helmet>
|
|
<title>{t[language].seo.homeTitle}</title>
|
|
<meta name="description" content={t[language].seo.homeDesc} />
|
|
<meta property="og:title" content={t[language].seo.homeTitle} />
|
|
<meta property="og:description" content={t[language].seo.homeDesc} />
|
|
</Helmet>
|
|
|
|
<div style={{ display: 'flex', flexDirection: 'column', gap: '0.5rem' }}>
|
|
<h1 style={{ fontSize: '1.75rem', fontWeight: 'bold', margin: '0', color: 'var(--text-main)' }}>{t[language].sidebar.lakes} ({lakes.length})</h1>
|
|
<p style={{ margin: 0, color: 'var(--text-muted)', fontSize: '0.95rem', lineHeight: '1.5' }}>
|
|
{t[language].seo.homeDesc}
|
|
</p>
|
|
</div>
|
|
|
|
{/* FILTER PANEL */}
|
|
<div style={{
|
|
display: 'flex',
|
|
gap: '1.5rem',
|
|
flexWrap: 'wrap',
|
|
padding: '1.25rem',
|
|
backgroundColor: 'var(--bg-card)',
|
|
borderRadius: '0.75rem',
|
|
border: '1px solid var(--border-color)',
|
|
alignItems: 'center'
|
|
}}>
|
|
{/* SORT BY FILTER (MAIN / FIRST) */}
|
|
<div style={{ display: 'flex', flexDirection: 'column', gap: '0.35rem' }}>
|
|
<label style={{ fontSize: '0.75rem', color: 'var(--text-muted)', fontWeight: 600, textTransform: 'uppercase', letterSpacing: '0.5px' }}>
|
|
{language === 'cs' ? 'Seřadit podle' : 'Sort by'}
|
|
</label>
|
|
<select
|
|
value={sortBy}
|
|
onChange={(e) => setSortBy(e.target.value)}
|
|
style={{
|
|
backgroundColor: 'var(--bg-dark)',
|
|
color: 'var(--text-main)',
|
|
border: '1px solid var(--border-color)',
|
|
borderRadius: '0.375rem',
|
|
padding: '0.5rem 2rem 0.5rem 0.75rem',
|
|
fontSize: '0.9rem',
|
|
outline: 'none',
|
|
cursor: 'pointer',
|
|
fontWeight: 500,
|
|
minWidth: '220px'
|
|
}}
|
|
>
|
|
<option value="volume-desc">{language === 'cs' ? 'Největší objem' : 'Largest volume'}</option>
|
|
<option value="area-desc">{language === 'cs' ? 'Největší rozloha' : 'Largest area'}</option>
|
|
<option value="depth-desc">{language === 'cs' ? 'Největší hloubka' : 'Largest depth'}</option>
|
|
<option value="name-asc">{language === 'cs' ? 'Název (A-Z)' : 'Name (A-Z)'}</option>
|
|
<option value="name-desc">{language === 'cs' ? 'Název (Z-A)' : 'Name (Z-A)'}</option>
|
|
<option value="inflow-desc">{language === 'cs' ? 'Přítok (nejvyšší)' : 'Inflow (highest)'}</option>
|
|
<option value="outflow-desc">{language === 'cs' ? 'Odtok (nejvyšší)' : 'Outflow (highest)'}</option>
|
|
</select>
|
|
</div>
|
|
|
|
{/* COUNTRY FILTER (SECOND) */}
|
|
<div style={{ display: 'flex', flexDirection: 'column', gap: '0.35rem' }}>
|
|
<label style={{ fontSize: '0.75rem', color: 'var(--text-muted)', fontWeight: 600, textTransform: 'uppercase', letterSpacing: '0.5px' }}>
|
|
{language === 'cs' ? 'Země' : 'Country'}
|
|
</label>
|
|
<select
|
|
value={selectedCountry}
|
|
onChange={(e) => setSelectedCountry(e.target.value)}
|
|
style={{
|
|
backgroundColor: 'var(--bg-dark)',
|
|
color: 'var(--text-main)',
|
|
border: '1px solid var(--border-color)',
|
|
borderRadius: '0.375rem',
|
|
padding: '0.5rem 2rem 0.5rem 0.75rem',
|
|
fontSize: '0.9rem',
|
|
outline: 'none',
|
|
cursor: 'pointer',
|
|
fontWeight: 500,
|
|
minWidth: '150px'
|
|
}}
|
|
>
|
|
<option value="ALL">{language === 'cs' ? 'Všechny země' : 'All countries'}</option>
|
|
{countries.map(c => {
|
|
const czNames: Record<string, string> = {
|
|
CZ: 'Česko',
|
|
US: 'USA',
|
|
CA: 'Kanada',
|
|
CN: 'Čína',
|
|
BR: 'Brazílie',
|
|
RU: 'Rusko',
|
|
CH: 'Švýcarsko'
|
|
};
|
|
const enNames: Record<string, string> = {
|
|
CZ: 'Czechia',
|
|
US: 'USA',
|
|
CA: 'Canada',
|
|
CN: 'China',
|
|
BR: 'Brazil',
|
|
RU: 'Russia',
|
|
CH: 'Switzerland'
|
|
};
|
|
const fullName = language === 'cs' ? (czNames[c] || c) : (enNames[c] || c);
|
|
return (
|
|
<option key={c} value={c}>{fullName} ({c})</option>
|
|
);
|
|
})}
|
|
</select>
|
|
</div>
|
|
</div>
|
|
|
|
{/* RENDER RANKED / SINGLE LIST */}
|
|
{isPhysicalRank && rankedLakes.length > 0 && (
|
|
<section>
|
|
<h2 style={{ fontSize: '1.1rem', fontWeight: 'bold', marginBottom: '1rem' }}>
|
|
{sortBy === 'area-desc' && (language === 'cs' ? 'Žebříček: Největší jezera a nádrže podle rozlohy' : 'Ranking: Largest Lakes & Reservoirs by Area')}
|
|
{sortBy === 'depth-desc' && (language === 'cs' ? 'Žebříček: Nejhlubší jezera a nádrže' : 'Ranking: Deepest Lakes & Reservoirs')}
|
|
{sortBy === 'volume-desc' && (language === 'cs' ? 'Žebříček: Největší jezera a nádrže podle objemu' : 'Ranking: Largest Lakes & Reservoirs by Volume')}
|
|
{` (${rankedLakes.length})`}
|
|
</h2>
|
|
<div style={{
|
|
display: 'grid',
|
|
gridTemplateColumns: 'repeat(auto-fit, minmax(320px, 1fr))',
|
|
gap: '1.5rem'
|
|
}}>
|
|
{rankedLakes.map((lake, index) => (
|
|
<div key={lake.id} style={{ position: 'relative' }}>
|
|
{/* Ranking Badge */}
|
|
<div style={{
|
|
position: 'absolute',
|
|
top: '-0.5rem',
|
|
left: '-0.5rem',
|
|
backgroundColor: index === 0 ? 'var(--color-gold, #f59e0b)' : index === 1 ? '#94a3b8' : index === 2 ? '#b45309' : 'var(--bg-card)',
|
|
color: index < 3 ? '#fff' : 'var(--text-muted)',
|
|
border: '1px solid var(--border-color)',
|
|
borderRadius: '50%',
|
|
width: '24px',
|
|
height: '24px',
|
|
display: 'flex',
|
|
alignItems: 'center',
|
|
justifyContent: 'center',
|
|
fontSize: '0.8rem',
|
|
fontWeight: 'bold',
|
|
zIndex: 3,
|
|
boxShadow: '0 2px 4px rgba(0,0,0,0.2)',
|
|
pointerEvents: 'none'
|
|
}}>
|
|
{index + 1}
|
|
</div>
|
|
<LakeCard lake={lake} language={language} isFav={isFavorite(lake.id)} onToggleFav={toggleFavorite} />
|
|
</div>
|
|
))}
|
|
</div>
|
|
</section>
|
|
)}
|
|
|
|
{/* RENDER CZ DEFAULT SPLIT LISTS */}
|
|
{!isPhysicalRank && priorityLakes.length > 0 && (
|
|
<section>
|
|
<h2 style={{ fontSize: '1.1rem', fontWeight: 'bold', marginBottom: '1rem' }}>{language === 'cs' ? 'Jezera a nádrže' : 'Lakes and Reservoirs'} ({priorityLakes.length})</h2>
|
|
<div style={{
|
|
display: 'grid',
|
|
gridTemplateColumns: 'repeat(auto-fit, minmax(320px, 1fr))',
|
|
gap: '1.5rem'
|
|
}}>
|
|
{priorityLakes.map(lake => <LakeCard key={lake.id} lake={lake} language={language} isFav={isFavorite(lake.id)} onToggleFav={toggleFavorite} />)}
|
|
</div>
|
|
</section>
|
|
)}
|
|
|
|
{!isPhysicalRank && otherLakes.length > 0 && (
|
|
<section>
|
|
<h2 style={{ fontSize: '1.1rem', fontWeight: 'bold', marginBottom: '1rem', marginTop: '1rem' }}>{language === 'cs' ? 'Ostatní' : 'Other'} ({otherLakes.length})</h2>
|
|
<div style={{
|
|
display: 'grid',
|
|
gridTemplateColumns: 'repeat(auto-fit, minmax(320px, 1fr))',
|
|
gap: '1.5rem'
|
|
}}>
|
|
{otherLakes.map(lake => <LakeCard key={lake.id} lake={lake} language={language} isFav={isFavorite(lake.id)} onToggleFav={toggleFavorite} />)}
|
|
</div>
|
|
</section>
|
|
)}
|
|
</div>
|
|
);
|
|
};
|
|
|
|
export default LakesOverview;
|