Files
gridpilot.gg/apps/website/components/leagues/LeagueDropSection.tsx
2025-12-05 12:24:38 +01:00

137 lines
4.0 KiB
TypeScript

'use client';
import type { LeagueConfigFormModel } from '@gridpilot/racing/application';
import Input from '@/components/ui/Input';
import SegmentedControl from '@/components/ui/SegmentedControl';
interface LeagueDropSectionProps {
form: LeagueConfigFormModel;
onChange?: (form: LeagueConfigFormModel) => void;
readOnly?: boolean;
}
export function LeagueDropSection({
form,
onChange,
readOnly,
}: LeagueDropSectionProps) {
const disabled = readOnly || !onChange;
const dropPolicy = form.dropPolicy;
const updateDropPolicy = (
patch: Partial<LeagueConfigFormModel['dropPolicy']>,
) => {
if (!onChange) return;
onChange({
...form,
dropPolicy: {
...dropPolicy,
...patch,
},
});
};
const handleStrategyChange = (
strategy: LeagueConfigFormModel['dropPolicy']['strategy'],
) => {
if (strategy === 'none') {
updateDropPolicy({ strategy: 'none', n: undefined });
} else if (strategy === 'bestNResults') {
const n = dropPolicy.n ?? 6;
updateDropPolicy({ strategy: 'bestNResults', n });
} else if (strategy === 'dropWorstN') {
const n = dropPolicy.n ?? 2;
updateDropPolicy({ strategy: 'dropWorstN', n });
}
};
const handleNChange = (value: string) => {
const parsed = parseInt(value, 10);
updateDropPolicy({
n: Number.isNaN(parsed) || parsed <= 0 ? undefined : parsed,
});
};
const computeSummary = () => {
if (dropPolicy.strategy === 'none') {
return 'All results will count towards the championship.';
}
if (dropPolicy.strategy === 'bestNResults') {
const n = dropPolicy.n;
if (typeof n === 'number' && n > 0) {
return `Best ${n} results will count; others are ignored.`;
}
return 'Best N results will count; others are ignored.';
}
if (dropPolicy.strategy === 'dropWorstN') {
const n = dropPolicy.n;
if (typeof n === 'number' && n > 0) {
return `Worst ${n} results will be dropped from the standings.`;
}
return 'Worst N results will be dropped from the standings.';
}
return 'All results will count towards the championship.';
};
const currentStrategyValue =
dropPolicy.strategy === 'none'
? 'all'
: dropPolicy.strategy === 'bestNResults'
? 'bestN'
: 'dropWorstN';
return (
<div className="space-y-4">
<h3 className="text-sm font-semibold text-white">Drop rule</h3>
<p className="text-xs text-gray-400">
Decide whether to count every round or ignore a few worst results.
</p>
<SegmentedControl
options={[
{ value: 'all', label: 'All count' },
{ value: 'bestN', label: 'Best N' },
{ value: 'dropWorstN', label: 'Drop worst N' },
]}
value={currentStrategyValue}
onChange={(value) => {
if (disabled) return;
if (value === 'all') {
handleStrategyChange('none');
} else if (value === 'bestN') {
handleStrategyChange('bestNResults');
} else if (value === 'dropWorstN') {
handleStrategyChange('dropWorstN');
}
}}
/>
{(dropPolicy.strategy === 'bestNResults' ||
dropPolicy.strategy === 'dropWorstN') && (
<div className="mt-2 max-w-[140px]">
<label className="mb-1 block text-xs font-medium text-gray-300">
N
</label>
<Input
type="number"
value={
typeof dropPolicy.n === 'number' && dropPolicy.n > 0
? String(dropPolicy.n)
: ''
}
onChange={(e) => handleNChange(e.target.value)}
disabled={disabled}
min={1}
/>
<p className="mt-1 text-[11px] text-gray-500">
{dropPolicy.strategy === 'bestNResults'
? 'For example, best 6 of 10 rounds count.'
: 'For example, drop the worst 2 results.'}
</p>
</div>
)}
<p className="mt-3 text-xs text-gray-400">{computeSummary()}</p>
</div>
);
}