phase 4 ready for review

This commit is contained in:
2026-08-17 16:57:38 +01:00
parent 5e80204e34
commit 1a6840d16c
5 changed files with 933 additions and 4 deletions
+335
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let chartLine, chartBar, chartDonut;
let allMonths = [];
function getThemeColors() {
const theme = document.documentElement.getAttribute('data-theme');
const isDark = theme === 'tokyo';
return {
isDark,
textColor: isDark ? '#e8f4ff' : '#1a1d22',
gridColor: isDark ? 'rgba(100, 220, 255, 0.1)' : 'rgba(26, 29, 34, 0.1)',
accent: isDark ? '#64dcff' : '#2c5a7a',
secondary: isDark ? '#2c5a7a' : '#64dcff',
palette: isDark
? ['#64dcff', '#2c5a7a', '#a3b3cc', '#7886a0', '#d93d3d', '#dcad2b', '#4caf50', '#ff9800', '#9c27b0', '#00bcd4']
: ['#2c5a7a', '#64dcff', '#595f68', '#9299a2', '#a03030', '#8a6a10', '#4caf50', '#ff9800', '#9c27b0', '#00bcd4'],
bgTransparent: 'transparent',
};
}
function getCommonOptions() {
const c = getThemeColors();
return {
backgroundColor: c.bgTransparent,
textStyle: { fontFamily: 'JetBrains Mono', color: c.textColor },
tooltip: { trigger: 'axis', axisPointer: { type: 'shadow' } },
legend: { textStyle: { color: c.textColor }, top: 10 },
grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true },
xAxis: {
type: 'category',
axisLine: { lineStyle: { color: c.gridColor } },
axisLabel: { color: c.textColor },
data: [],
},
yAxis: {
type: 'value',
splitLine: { lineStyle: { color: c.gridColor } },
axisLabel: { color: c.textColor },
},
};
}
function initCharts() {
if (chartLine) chartLine.dispose();
if (chartBar) chartBar.dispose();
if (chartDonut) chartDonut.dispose();
chartLine = echarts.init(document.getElementById('chart-line'));
chartBar = echarts.init(document.getElementById('chart-bar'));
chartDonut = echarts.init(document.getElementById('chart-donut'));
renderLineChart([], [], []);
renderBarChart([], []);
renderDonutChart([]);
window.addEventListener('resize', () => {
chartLine.resize();
chartBar.resize();
chartDonut.resize();
});
}
function renderLineChart(months, massData, valueData) {
const c = getThemeColors();
chartLine.setOption({
...getCommonOptions(),
tooltip: { trigger: 'axis' },
xAxis: { ...getCommonOptions().xAxis, data: months },
series: [
{
name: 'Mass (kg)',
type: 'line',
smooth: true,
itemStyle: { color: c.accent },
areaStyle: { opacity: 0.08 },
data: massData,
},
{
name: 'Value (DKK)',
type: 'line',
smooth: true,
itemStyle: { color: c.secondary },
areaStyle: { opacity: 0.08 },
data: valueData,
},
],
});
}
function renderDonutChart(data) {
const c = getThemeColors();
chartDonut.setOption({
backgroundColor: c.bgTransparent,
textStyle: { fontFamily: 'JetBrains Mono', color: c.textColor },
tooltip: { trigger: 'item' },
legend: { orient: 'vertical', left: 'left', textStyle: { color: c.textColor } },
series: [
{
type: 'pie',
radius: ['40%', '70%'],
avoidLabelOverlap: false,
itemStyle: {
borderRadius: 5,
borderColor: c.isDark ? '#07070d' : '#f4f1ec',
borderWidth: 2,
},
label: { show: false, position: 'center' },
emphasis: {
label: { show: true, fontSize: 16, fontWeight: 'bold', color: c.textColor },
},
data: data,
color: c.palette,
},
],
});
}
function renderBarChart(months, seriesData) {
const c = getThemeColors();
chartBar.setOption({
...getCommonOptions(),
xAxis: { ...getCommonOptions().xAxis, data: months },
series: seriesData,
color: c.palette,
});
}
async function fetchData(endpoint) {
try {
const res = await fetch(endpoint);
if (!res.ok) throw new Error(`API Error: ${res.status}`);
return await res.json();
} catch (err) {
console.error(err);
return null;
}
}
function populateSelect(id, items, codeKey, labelKey) {
const sel = document.getElementById(id);
sel.innerHTML = '<option value="">All</option>';
items.forEach((item) => {
const opt = document.createElement('option');
opt.value = item[codeKey];
opt.textContent = item[labelKey];
sel.appendChild(opt);
});
}
async function populateDropdowns() {
showLoading(true);
const [speciesList, zonesList, gearList, summaryData] = await Promise.all([
fetchData('/api/species'),
fetchData('/api/zones'),
fetchData('/api/gear'),
fetchData('/api/summary'),
]);
if (speciesList) {
populateSelect('species', speciesList, 'code', 'label');
}
if (zonesList) {
populateSelect('zone', zonesList, 'code', 'label');
}
if (gearList) {
populateSelect('gear', gearList, 'code', 'label');
}
if (summaryData && summaryData.monthly) {
allMonths = summaryData.monthly.map((m) => m.month).sort();
const fillMonthSelect = (selectId) => {
const sel = document.getElementById(selectId);
sel.innerHTML = '<option value="">All</option>';
allMonths.forEach((m) => {
const opt = document.createElement('option');
opt.value = m;
opt.textContent = m;
sel.appendChild(opt);
});
};
fillMonthSelect('month_from');
fillMonthSelect('month_to');
}
showLoading(false);
}
async function updateCharts() {
showLoading(true);
hideEmptyState();
const species = document.getElementById('species').value;
const zone = document.getElementById('zone').value;
const gear = document.getElementById('gear').value;
const monthFrom = document.getElementById('month_from').value;
const monthTo = document.getElementById('month_to').value;
const params = new URLSearchParams();
if (species) params.append('species', species);
if (zone) params.append('zone', zone);
if (gear) params.append('gear', gear);
if (monthFrom) params.append('month_from', monthFrom);
if (monthTo) params.append('month_to', monthTo);
params.append('limit', '10000');
const [landings, summary] = await Promise.all([
fetchData(`/api/landings?${params.toString()}`),
fetchData(`/api/summary?${species ? `species=${species}` : ''}`),
]);
showLoading(false);
if (!landings || landings.length === 0) {
showEmptyState();
return;
}
hideEmptyState();
document.getElementById('charts-grid').style.display = 'grid';
// --- Line Chart ---
const months = [...new Set(landings.map((l) => l.month))].sort();
const massMap = {};
const valueMap = {};
landings.forEach((l) => {
if (!massMap[l.month]) massMap[l.month] = 0;
if (!valueMap[l.month]) valueMap[l.month] = 0;
if (l.measure_code === 'MASS' && l.value) massMap[l.month] += l.value;
if (l.measure_code === 'VALUE' && l.value) valueMap[l.month] += l.value;
});
renderLineChart(
months,
months.map((m) => massMap[m] || 0),
months.map((m) => valueMap[m] || 0)
);
// --- Donut Chart (Top Species by Value) ---
const speciesValueMap = {};
landings.forEach((l) => {
if (l.measure_code === 'VALUE' && l.value) {
speciesValueMap[l.species_label] =
(speciesValueMap[l.species_label] || 0) + l.value;
}
});
const donutData = Object.entries(speciesValueMap)
.sort((a, b) => b[1] - a[1])
.slice(0, 10)
.map(([name, value]) => ({ name, value }));
renderDonutChart(donutData);
// --- Bar Chart (Stacked by Species) ---
const barSpeciesSet = new Set();
landings.forEach((l) => {
if (l.measure_code === 'VALUE') barSpeciesSet.add(l.species_label);
});
const barSpecies = [...barSpeciesSet].slice(0, 10);
const barSeries = barSpecies.map((sp) => ({
name: sp,
type: 'bar',
stack: 'total',
emphasis: { focus: 'series' },
data: months.map((m) => {
const row = landings.find(
(l) =>
l.month === m &&
l.species_label === sp &&
l.measure_code === 'VALUE'
);
return row && row.value ? row.value : 0;
}),
}));
renderBarChart(months, barSeries);
}
function showLoading(show) {
const overlay = document.getElementById('loading-overlay');
if (show) {
overlay.classList.remove('hidden');
} else {
overlay.classList.add('hidden');
}
}
function showEmptyState() {
document.getElementById('charts-grid').style.display = 'none';
document.getElementById('empty-state').style.display = 'flex';
}
function hideEmptyState() {
document.getElementById('empty-state').style.display = 'none';
}
document.getElementById('apply-filters').addEventListener('click', updateCharts);
// Theme Logic
(() => {
function currentSystemTheme() {
return window.matchMedia('(prefers-color-scheme: dark)').matches
? 'tokyo'
: 'light';
}
const btn = document.getElementById('theme-toggle');
if (btn) {
btn.addEventListener('click', () => {
const current =
document.documentElement.getAttribute('data-theme') || 'light';
const next = current === 'light' ? 'tokyo' : 'light';
document.documentElement.setAttribute('data-theme', next);
localStorage.setItem('poc-theme', next);
initCharts();
updateCharts();
});
}
window
.matchMedia('(prefers-color-scheme: dark)')
.addEventListener('change', () => {
if (!localStorage.getItem('poc-theme')) {
document.documentElement.setAttribute('data-theme', currentSystemTheme());
initCharts();
updateCharts();
}
});
})();
// Init
initCharts();
populateDropdowns().then(updateCharts);