learning_ai_invt_trdg/web/src/views/useTradePlansNavigationState.ts

98 lines
3.8 KiB
TypeScript

import { useEffect, useRef } from 'react';
import type { Dispatch, MutableRefObject } from 'react';
import type { SetURLSearchParams } from 'react-router-dom';
import type { ManualEntryPayload } from '../lib/manualEntriesApi';
import type { TradePlansUiAction } from './tradePlansState';
type SimpleHolding = {
symbol: string;
size: number;
entryPrice: number;
profileId?: string;
tradeId?: string;
};
type UseTradePlansNavigationStateInput = {
searchParams: URLSearchParams;
setSearchParams: SetURLSearchParams;
savedSetups: ManualEntryPayload[];
availableSellHoldings: SimpleHolding[];
applyHoldingToDraft: (holding: SimpleHolding) => void;
dispatch: Dispatch<TradePlansUiAction>;
setupCardRefs: MutableRefObject<Record<string, HTMLDivElement | null>>;
};
export function useTradePlansNavigationState({
searchParams,
setSearchParams,
savedSetups,
availableSellHoldings,
applyHoldingToDraft,
dispatch,
setupCardRefs,
}: UseTradePlansNavigationStateInput) {
const consumedPrefillKeyRef = useRef<string>('');
const consumedSetupFocusKeyRef = useRef<string>('');
const focusedSetupTimerRef = useRef<number | null>(null);
useEffect(() => {
const requestedMode = String(searchParams.get('mode') || '').trim().toLowerCase();
const requestedSymbol = String(searchParams.get('symbol') || '').trim().toUpperCase();
const requestedTradeId = String(searchParams.get('tradeId') || '').trim();
const prefillKey = `${requestedMode}|${requestedSymbol}|${requestedTradeId}`;
if (!requestedMode || consumedPrefillKeyRef.current === prefillKey) return;
if (requestedMode !== 'sell') return;
if (availableSellHoldings.length === 0) return;
const selected = (requestedTradeId
? availableSellHoldings.find((holding) => holding.tradeId === requestedTradeId)
: null)
|| (requestedSymbol
? availableSellHoldings.find((holding) => holding.symbol === requestedSymbol)
: null)
|| availableSellHoldings[0];
if (selected) {
applyHoldingToDraft(selected);
dispatch({ type: 'set-message', value: `Loaded ${selected.symbol} from Portfolio. Configure the profit target and save the plan.` });
dispatch({ type: 'set-error', value: null });
}
consumedPrefillKeyRef.current = prefillKey;
setSearchParams({}, { replace: true });
}, [applyHoldingToDraft, availableSellHoldings, dispatch, searchParams, setSearchParams]);
useEffect(() => {
const requestedSetupId = String(searchParams.get('setupId') || '').trim();
if (!requestedSetupId || consumedSetupFocusKeyRef.current === requestedSetupId) return;
if (savedSetups.length === 0) return;
const targetEntry = savedSetups.find((entry) => String(entry.stock_instance_id || '') === requestedSetupId) || null;
consumedSetupFocusKeyRef.current = requestedSetupId;
setSearchParams({}, { replace: true });
if (!targetEntry) return;
dispatch({ type: 'set-focused-setup-id', value: requestedSetupId });
dispatch({ type: 'set-message', value: `Focused saved plan for ${targetEntry.symbol}.` });
dispatch({ type: 'set-error', value: null });
if (focusedSetupTimerRef.current !== null) {
window.clearTimeout(focusedSetupTimerRef.current);
}
focusedSetupTimerRef.current = window.setTimeout(() => {
dispatch({ type: 'set-focused-setup-id', value: null });
focusedSetupTimerRef.current = null;
}, 2200);
window.requestAnimationFrame(() => {
setupCardRefs.current[requestedSetupId]?.scrollIntoView({ behavior: 'smooth', block: 'center' });
});
}, [dispatch, savedSetups, searchParams, setSearchParams, setupCardRefs]);
useEffect(() => {
return () => {
if (focusedSetupTimerRef.current !== null) {
window.clearTimeout(focusedSetupTimerRef.current);
}
};
}, []);
}