93 lines
5.2 KiB
TypeScript
93 lines
5.2 KiB
TypeScript
'use client';
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import type { ReactElement } from 'react';
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import {
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SHIPMENT_EXPRESSION_MAX_DEPTH,
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SHIPMENT_EXPRESSION_MAX_LEAVES,
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type ShipmentExpression,
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} from '@/game/shipment-promises';
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import { shipmentExpressionInputError, shipmentExpressionInputSize } from '@/game/shipment-expression-input';
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import { ShipmentClauseFields } from './shipment-claim-fields';
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import { Button } from './ui/button';
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const newLeaf = (): ShipmentExpression => ({ territory: 'carthag', minimum: 1 });
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/** Hook-free controlled tree. Stateful leaf descendants are rendered by React. */
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export function ShipmentExpressionFields({ value, id = 'truth-shipment', disabled, onChange }: {
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value: ShipmentExpression;
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id?: string;
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disabled: boolean;
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onChange: (expression: ShipmentExpression) => void;
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}) {
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const size = shipmentExpressionInputSize(value);
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const commit = (next: ShipmentExpression) => {
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if (!disabled && !shipmentExpressionInputError(next)) onChange(next);
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};
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const render = (
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node: ShipmentExpression,
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path: string,
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replace: (next: ShipmentExpression) => ShipmentExpression,
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remove?: () => ShipmentExpression,
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): ReactElement => {
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const group = 'op' in node;
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const allowed = (next: ShipmentExpression) => !disabled && !shipmentExpressionInputError(replace(next));
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const change = (next: ShipmentExpression) => commit(replace(next));
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const wrap = (op: 'and' | 'or'): ShipmentExpression => ({ op, terms: [node, newLeaf()] });
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return <fieldset key={path} data-shipment-expression-path={path} className="grid min-w-0 gap-2 p-2">
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<legend>{group ? `Shipment group ${path} · ${node.op.toUpperCase()}` : `Shipment condition ${path}`}</legend>
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{group ? <>
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<label htmlFor={`${id}-${path}-meaning`}>Shipment group {path} meaning</label>
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<select id={`${id}-${path}-meaning`} value={node.op} disabled={disabled} onChange={event => {
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const op = event.target.value;
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if (op === 'and' || op === 'or') change({ ...node, op });
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}}>
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<option value="and">All conditions · AND</option>
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<option value="or">At least one condition · OR</option>
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</select>
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{node.terms.map((term, index) => render(term, `${path}.${index + 1}`,
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next => replace({ ...node, terms: node.terms.map((old, i) => i === index ? next : old) }),
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() => {
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const terms = node.terms.filter((_, i) => i !== index);
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return replace(terms.length === 1 ? terms[0] : { ...node, terms });
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},
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))}
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<div className="flex flex-wrap gap-2">
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<Button type="button" data-shipment-expression-control={`add-${path}`}
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disabled={!allowed({ ...node, terms: [...node.terms, newLeaf()] })}
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onClick={() => change({ ...node, terms: [...node.terms, newLeaf()] })}>Add shipment condition</Button>
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{(['and', 'or'] as const).map(op => {
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const next: ShipmentExpression = { ...node, terms: [...node.terms, { op, terms: [newLeaf(), newLeaf()] }] };
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return <Button key={op} type="button" data-shipment-expression-control={`nested-${op}-${path}`}
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disabled={!allowed(next)} onClick={() => change(next)}>Add nested {op.toUpperCase()} group</Button>;
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})}
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</div>
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</> : 'constant' in node ? <p className="notice" role="alert">
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Frozen current facts are unavailable in a pure shipment question. Remove this condition.
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</p> : <ShipmentClauseFields id={`${id}-${path}`} value={node} onChange={change} />}
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<div className="flex flex-wrap gap-2">
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<Button type="button" data-shipment-expression-control={`and-${path}`} disabled={!allowed(wrap('and'))}
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onClick={() => change(wrap('and'))}>Group with AND</Button>
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<Button type="button" data-shipment-expression-control={`or-${path}`} disabled={!allowed(wrap('or'))}
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onClick={() => change(wrap('or'))}>Group with OR</Button>
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{remove && <Button type="button" data-shipment-expression-control={`remove-${path}`} disabled={disabled}
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onClick={() => commit(remove())}>Remove {group ? 'group' : 'condition'}</Button>}
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</div>
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</fieldset>;
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};
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return <fieldset disabled={disabled} data-testid="shipment-expression"
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className="grid min-w-0 gap-2 [&_select]:min-w-0 [&_select]:max-w-full [&_button]:max-w-full [&_button]:min-h-11 [&_button]:h-auto [&_button]:py-2 [&_button]:whitespace-normal">
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<legend>Shipment expression</legend>
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<p className="fine">
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Every condition describes the same eventual shipment from reserves this turn.
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AND requires all conditions; OR requires at least one. No requires the whole expression to be false,
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not every individual condition. Skipping shipment makes every condition false.
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</p>
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<p className="fine">
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App input limits: {SHIPMENT_EXPRESSION_MAX_LEAVES} shipment conditions and {SHIPMENT_EXPRESSION_MAX_DEPTH} levels of grouping.
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Groups do not count as conditions. These are input limits, not additional printed rules.
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</p>
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<p className="fine">{size.leaves} / {SHIPMENT_EXPRESSION_MAX_LEAVES} shipment conditions · {size.depth} / {SHIPMENT_EXPRESSION_MAX_DEPTH} levels of grouping</p>
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{render(value, '1', next => next)}
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</fieldset>;
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}
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