// Rumbo — Default data + localStorage helpers const NOW = new Date(); const CURRENT_MONTH = `${NOW.getFullYear()}-${String(NOW.getMonth()+1).padStart(2,'0')}`; const PREV_MONTH = (() => { const d = new Date(NOW.getFullYear(), NOW.getMonth() - 1, 1); return `${d.getFullYear()}-${String(d.getMonth()+1).padStart(2,'0')}`; })(); // Fecha ISO relativa al mes actual: offset de meses + día (clampeado al largo del mes destino) function demoDate(monthOffset, day) { const base = new Date(NOW.getFullYear(), NOW.getMonth() + monthOffset, 1); const lastDay = new Date(base.getFullYear(), base.getMonth() + 1, 0).getDate(); const d = Math.min(day, lastDay); return `${base.getFullYear()}-${String(base.getMonth()+1).padStart(2,'0')}-${String(d).padStart(2,'0')}`; } const DEFAULT_FX = { ARS: 1, USD: 1040, PEN: 280, MXN: 55, EUR: 1150, BRL: 200, UYU: 25, USDT: 1040 }; /* ── Esqueleto vacío — lo que recibe quien elige "Empezar de cero" ── */ const EMPTY_DATA = { accounts: [], debts: [], transactions: [], budgets: [], goals: [], customCategories: [], settings: { name: '', currency: 'ARS', monthlyIncome: 0, theme: 'light' }, fxRates: { ...DEFAULT_FX }, recurringIncomes: [], fixedExpenses: [], isDemo: false, }; /* ── Datos de ejemplo — generados SIEMPRE relativos al mes actual, no se vencen nunca. Personas y montos ficticios, sin datos personales. ── */ function buildDemoData() { const today = NOW.getDate(); const tx = []; let seq = 0; // El mes en curso (offset 0) solo muestra movimientos hasta hoy — como una cuenta real en uso const add = (mOff, d, type, category, description, amount, accountId) => { if (mOff === 0 && d > today) return; tx.push({ id: 'demo' + (++seq), date: demoDate(mOff, d), type, category, description, amount, accountId }); }; // Mes en curso add(0, 1, 'income', 'Sueldo', 'Sueldo del mes', 670000, 'a2'); add(0, 2, 'expense', 'Servicios', 'Internet', 18000, 'a2'); add(0, 4, 'expense', 'Comida', 'Supermercado', 38000, 'a1'); add(0, 5, 'expense', 'Hogar', 'Expensas', 45000, 'a2'); add(0, 7, 'expense', 'Transporte', 'SUBE + nafta', 16500, 'a1'); add(0, 9, 'expense', 'Entretenimiento', 'Cine + cena', 28000, 'a1'); add(0, 10, 'income', 'Freelance', 'Trabajo freelance', 95000, 'a3'); add(0, 12, 'expense', 'Salud', 'Farmacia', 9500, 'a2'); add(0, 13, 'expense', 'Comida', 'Verdulería + panadería', 12300, 'a1'); add(0, 16, 'expense', 'Transporte', 'Uber', 8200, 'a3'); add(0, 19, 'expense', 'Comida', 'Delivery', 14500, 'a3'); add(0, 22, 'expense', 'Deudas', 'Pago cuota Visa', 18000, 'a2'); add(0, 25, 'expense', 'Entretenimiento', 'Streaming', 12400, 'a2'); // Mes anterior — completo y variado add(-1, 1, 'income', 'Sueldo', 'Sueldo del mes', 650000, 'a2'); add(-1, 3, 'expense', 'Servicios', 'Internet + celular', 28900, 'a2'); add(-1, 5, 'expense', 'Comida', 'Supermercado', 42500, 'a1'); add(-1, 8, 'expense', 'Transporte', 'SUBE + Uber', 18200, 'a1'); add(-1, 10, 'expense', 'Entretenimiento', 'Streaming', 12400, 'a2'); add(-1, 12, 'expense', 'Comida', 'Delivery', 15800, 'a2'); add(-1, 15, 'expense', 'Deudas', 'Pago cuota Visa', 18000, 'a2'); add(-1, 17, 'expense', 'Comida', 'Verdulería + panadería', 22100, 'a1'); add(-1, 19, 'expense', 'Salud', 'Farmacia', 14300, 'a2'); add(-1, 20, 'expense', 'Deudas', 'Pago préstamo', 15000, 'a2'); add(-1, 21, 'expense', 'Entretenimiento', 'Salida cena + bar', 35600, 'a1'); add(-1, 22, 'income', 'Freelance', 'Proyecto de diseño', 85000, 'a3'); add(-1, 22, 'expense', 'Ropa', 'Zapatillas', 52000, 'a3'); // -2 add(-2, 1, 'income', 'Sueldo', 'Sueldo del mes', 620000, 'a2'); add(-2, 5, 'expense', 'Comida', 'Supermercado', 98000, 'a1'); add(-2, 10, 'expense', 'Transporte', 'Combustible', 25000, 'a2'); add(-2, 15, 'expense', 'Entretenimiento', 'Cine + salida', 28000, 'a1'); add(-2, 20, 'expense', 'Servicios', 'Luz + gas', 31000, 'a2'); add(-2, 25, 'expense', 'Salud', 'Médico particular', 18000, 'a2'); add(-2, 28, 'expense', 'Hogar', 'Artículos de limpieza', 15000, 'a1'); // -3 add(-3, 1, 'income', 'Sueldo', 'Sueldo del mes', 620000, 'a2'); add(-3, 10, 'expense', 'Comida', 'Supermercado', 85000, 'a1'); add(-3, 15, 'expense', 'Transporte', 'Uber + SUBE', 19000, 'a2'); add(-3, 20, 'expense', 'Entretenimiento', 'Streaming + salida', 22000, 'a1'); add(-3, 25, 'expense', 'Hogar', 'Reparaciones', 40000, 'a2'); // -4 add(-4, 1, 'income', 'Sueldo', 'Sueldo del mes', 600000, 'a2'); add(-4, 10, 'expense', 'Comida', 'Supermercado', 90000, 'a1'); add(-4, 15, 'expense', 'Transporte', 'Viaje', 22000, 'a2'); add(-4, 20, 'expense', 'Ropa', 'Ropa de temporada', 65000, 'a3'); add(-4, 25, 'expense', 'Hogar', 'Muebles', 85000, 'a2'); // -5 add(-5, 1, 'income', 'Sueldo', 'Sueldo del mes', 600000, 'a2'); add(-5, 5, 'expense', 'Comida', 'Supermercado', 88000, 'a1'); add(-5, 15, 'expense', 'Entretenimiento', 'Salidas y regalos', 120000, 'a2'); // -6 add(-6, 1, 'income', 'Sueldo', 'Sueldo del mes', 580000, 'a2'); add(-6, 10, 'expense', 'Comida', 'Supermercado', 82000, 'a1'); add(-6, 20, 'expense', 'Transporte', 'Viaje de trabajo', 18000, 'a2'); return { ...JSON.parse(JSON.stringify(EMPTY_DATA)), isDemo: true, accounts: [ { id: 'a1', name: 'Efectivo', type: 'cash', balance: 45000, currency: 'ARS', color: '#10B981' }, { id: 'a2', name: 'Banco', type: 'bank', balance: 380000, currency: 'ARS', color: '#6366F1' }, { id: 'a3', name: 'Billetera virtual', type: 'digital', balance: 127500, currency: 'ARS', color: '#818CF8' }, ], debts: [ { id: 'd1', name: 'Tarjeta Visa', institution: 'Banco', balance: 245000, originalAmount: 320000, rate: 24, minPayment: 18000, currency: 'ARS', color: '#F43F5E', dueDay: 15 }, { id: 'd2', name: 'Préstamo Personal', institution: 'Financiera', balance: 180000, originalAmount: 250000, rate: 45, minPayment: 15000, currency: 'ARS', color: '#F59E0B', dueDay: 22 }, { id: 'd3', name: 'Cuotas celular', institution: '12 cuotas s/i', balance: 72000, originalAmount: 108000, rate: 0, minPayment: 9000, currency: 'ARS', color: '#A78BFA', dueDay: 5 }, ], transactions: tx, budgets: [ { id: 'b1', category: 'Comida', limit: 130000, color: '#10B981' }, { id: 'b2', category: 'Transporte', limit: 40000, color: '#F97316' }, { id: 'b3', category: 'Servicios', limit: 35000, color: '#0EA5E9' }, { id: 'b4', category: 'Entretenimiento', limit: 35000, color: '#8B5CF6' }, { id: 'b5', category: 'Salud', limit: 25000, color: '#EF4444' }, { id: 'b6', category: 'Ropa', limit: 40000, color: '#EC4899' }, ], goals: [ { id: 'g1', name: 'Fondo de emergencia', iconName: 'shield', target: 500000, targetDate: null, createdAt: demoDate(-4, 1), contributions: [ { id: 'gc1', date: demoDate(-4, 5), amount: 40000, note: 'Arranque del fondo' }, { id: 'gc2', date: demoDate(-3, 6), amount: 30000 }, { id: 'gc3', date: demoDate(-2, 5), amount: 30000 }, { id: 'gc4', date: demoDate(-1, 7), amount: 27500 }, ]}, { id: 'g2', name: 'Vacaciones', iconName: 'plane', target: 300000, targetDate: demoDate(6, 15), createdAt: demoDate(-2, 1), contributions: [ { id: 'gc5', date: demoDate(-2, 10), amount: 25000 }, { id: 'gc6', date: demoDate(-1, 12), amount: 20000 }, ]}, { id: 'g3', name: 'Celular nuevo', iconName: 'smartphone', target: 250000, targetDate: null, createdAt: demoDate(-1, 1), contributions: [ { id: 'gc7', date: demoDate(-1, 20), amount: 60000 }, ]}, ], settings: { name: 'Demo', currency: 'ARS', monthlyIncome: 735000, theme: 'light' }, recurringIncomes: [ { id: 'ri1', name: 'Sueldo', amount: 670000, currency: 'ARS', category: 'Sueldo', accountId: 'a2', dueDay: 1, frequency: 'mensual', active: true, iconName: 'briefcase' }, { id: 'ri2', name: 'Freelance', amount: 90000, currency: 'ARS', category: 'Freelance', accountId: 'a3', dueDay: 10, frequency: 'mensual', active: true, iconName: 'code' }, ], fixedExpenses: [ { id: 'f1', name: 'Alquiler', amount: 280000, currency: 'ARS', dueDay: 1, category: 'Hogar', active: true, iconName: 'home', frequency: 'mensual' }, { id: 'f2', name: 'Expensas', amount: 45000, currency: 'ARS', dueDay: 8, category: 'Hogar', active: true, iconName: 'building', frequency: 'mensual' }, { id: 'f3', name: 'Obra Social', amount: 28000, currency: 'ARS', dueDay: 1, category: 'Salud', active: true, iconName: 'heart', frequency: 'mensual' }, { id: 'f4', name: 'Internet', amount: 18000, currency: 'ARS', dueDay: 5, category: 'Servicios', active: true, iconName: 'wifi', frequency: 'mensual' }, { id: 'f5', name: 'Celular', amount: 12500, currency: 'ARS', dueDay: 10, category: 'Servicios', active: true, iconName: 'smartphone', frequency: 'mensual' }, { id: 'f6', name: 'ChatGPT Plus', amount: 20, currency: 'USD', dueDay: 8, category: 'IA / Software', active: true, iconName: 'cpu', frequency: 'mensual' }, { id: 'f7', name: 'Netflix', amount: 7, currency: 'USD', dueDay: 18, category: 'Entretenimiento', active: true, iconName: 'film', frequency: 'mensual' }, { id: 'f8', name: 'Spotify', amount: 6, currency: 'USD', dueDay: 22, category: 'Entretenimiento', active: true, iconName: 'music', frequency: 'mensual' }, { id: 'f9', name: 'Gimnasio', amount: 25000, currency: 'ARS', dueDay: 3, category: 'Salud', active: true, iconName: 'heart', frequency: 'mensual' }, { id: 'f10', name: 'Clases de inglés', amount: 8000, currency: 'ARS', dueDay: 1, weekDay: 2, category: 'Educación', active: true, iconName: 'bookOpen', frequency: 'semanal' }, { id: 'f11', name: 'Adobe CC', amount: 55, currency: 'USD', dueDay: 3, category: 'IA / Software', active: false, iconName: 'palette', frequency: 'mensual' }, { id: 'f12', name: 'Seguro auto', amount: 180000, currency: 'ARS', dueDay: 15, annualMonth: 1, annualDay: 15, category: 'Servicios', active: true, iconName: 'car', frequency: 'anual' }, ], }; } // Compat: componentes legacy referencian DEFAULT_DATA — hoy es el esqueleto vacío const DEFAULT_DATA = EMPTY_DATA; const STORAGE_KEY = 'rumbo_data_v2'; // Devuelve los datos guardados normalizados, o null si es el primer arranque // (null → App muestra la pantalla de bienvenida para elegir cero/demo). function loadData() { let result = null; try { const saved = localStorage.getItem(STORAGE_KEY); if (saved) { const parsed = JSON.parse(saved); result = { ...JSON.parse(JSON.stringify(EMPTY_DATA)), ...parsed, settings: { ...EMPTY_DATA.settings, ...parsed.settings }, fxRates: { ...EMPTY_DATA.fxRates, ...parsed.fxRates }, customCategories: parsed.customCategories ?? [], }; } } catch(e) {} if (!result) return null; // Migración: metas viejas con `current` suelto → historial de aportes result.goals = (result.goals || []).map(g => { if (g.contributions) return g; const initial = Number(g.current) || 0; return { ...g, iconName: g.iconName || 'piggyBank', targetDate: g.targetDate || null, contributions: initial > 0 ? [{ id: g.id + '-init', date: `${CURRENT_MONTH}-01`, amount: initial, note: 'Saldo inicial' }] : [], }; }); // Registrar custom categories en el CATEGORIES global para que CategoryIcon las encuentre (result.customCategories || []).forEach(cc => { if (!CATEGORIES.find(c => c.name === cc.name)) CATEGORIES.push(cc); }); return result; } // Total aportado a una meta de ahorro const goalSaved = (g) => (g.contributions || []).reduce((s, c) => s + (Number(c.amount) || 0), 0); /* Estado del plan de una meta con cadencia elegida (planCadence: 'day'|'week'|'month'). Devuelve la cuota vigente (siempre sobre lo que FALTA) y si el período actual ya está cubierto. */ function goalPlanStatus(goal) { if (!goal || !goal.planCadence) return null; const saved = goalSaved(goal); const remaining = Math.max(0, (goal.target || 0) - saved); if (remaining <= 0) return { done: true }; const months = (() => { if (goal.targetDate) { const now = new Date(); const t = new Date(goal.targetDate + 'T00:00:00'); return Math.max(1, (t.getFullYear() - now.getFullYear()) * 12 + (t.getMonth() - now.getMonth())); } return goal.planMonths || 6; })(); const days = Math.max(1, Math.round(months * 30.44)); const amount = goal.planCadence === 'day' ? Math.round(remaining / days) : goal.planCadence === 'week' ? Math.round((remaining / days) * 7) : Math.round(remaining / months); const now = new Date(); const iso = (d) => `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}-${String(d.getDate()).padStart(2, '0')}`; const todayISO = iso(now); const weekStart = (() => { const d = new Date(now); d.setDate(d.getDate() - ((d.getDay() + 6) % 7)); return iso(d); })(); const contribs = goal.contributions || []; const covered = goal.planCadence === 'day' ? contribs.some(c => c.date === todayISO) : goal.planCadence === 'week' ? contribs.some(c => (c.date || '') >= weekStart && (c.date || '') <= todayISO) : contribs.some(c => (c.date || '').startsWith(todayISO.slice(0, 7))); const label = goal.planCadence === 'day' ? 'por día' : goal.planCadence === 'week' ? 'por semana' : 'por mes'; const period = goal.planCadence === 'day' ? 'Hoy' : goal.planCadence === 'week' ? 'Esta semana' : 'Este mes'; return { done: false, amount, covered, label, period }; } // Datos limpios para "Empezar de cero" (con nombre opcional) function freshData(name) { const d = JSON.parse(JSON.stringify(EMPTY_DATA)); if (name) d.settings.name = name.trim(); return d; } // Registra una categoria custom en el CATEGORIES global (para CategoryIcon y getCategoryMeta) function registerCustomCategory(cc) { if (!CATEGORIES.find(c => c.name === cc.name)) CATEGORIES.push(cc); } function saveData(data) { try { localStorage.setItem(STORAGE_KEY, JSON.stringify(data)); } catch(e) {} } // Paleta sutil: mismos hues que antes (familiar) pero saturación bajada para reducir ruido visual. // Filosofía: que se reconozca la categoría sin que el ojo "salte" entre tags. Estilo Linear / Notion. const CATEGORIES = [ { name: 'Sueldo', type: 'income', color: '#0F8A6A', bg: '#E8F5F0', iconName: 'briefcase' }, { name: 'Freelance', type: 'income', color: '#4F46E5', bg: '#E8E9FB', iconName: 'code' }, { name: 'Inversiones', type: 'income', color: '#5B5FD3', bg: '#EBECF8', iconName: 'trending' }, { name: 'Otros ingresos', type: 'income', color: '#7C5BC9', bg: '#EFEBF7', iconName: 'gift' }, { name: 'Comida', type: 'expense', color: '#0F8A6A', bg: '#E8F5F0', iconName: 'shoppingCart' }, { name: 'Transporte', type: 'expense', color: '#C2410C', bg: '#FBEBDD', iconName: 'car' }, { name: 'Servicios', type: 'expense', color: '#0369A1', bg: '#E0F0F8', iconName: 'zap' }, { name: 'Entretenimiento',type: 'expense', color: '#6D28D9', bg: '#EBE5F7', iconName: 'film' }, { name: 'Salud', type: 'expense', color: '#B91C1C', bg: '#F8E5E5', iconName: 'heart' }, { name: 'Ropa', type: 'expense', color: '#9D174D', bg: '#F4E4ED', iconName: 'shirt' }, { name: 'Deudas', type: 'expense', color: '#9F1239', bg: '#F4E0E6', iconName: 'creditCard'}, { name: 'Educación', type: 'expense', color: '#1D4ED8', bg: '#E1E8F8', iconName: 'bookOpen' }, { name: 'Hogar', type: 'expense', color: '#B45309', bg: '#F8EDD7', iconName: 'home' }, { name: 'Otros gastos', type: 'expense', color: '#64748B', bg: '#EDF1F5', iconName: 'package' }, ]; // Resuelve símbolo según moneda (default ARS). Robusto si SUPPORTED_CURRENCIES no está cargado todavía. const _curSym = (currency) => { if (!currency) return '$'; if (typeof SUPPORTED_CURRENCIES === 'undefined') return '$'; const cur = SUPPORTED_CURRENCIES.find(c => c.code === currency); return cur ? cur.symbol : currency; }; const fmt = (n, currency) => { const sym = _curSym(currency); const absN = Math.abs(n); if (absN >= 1000000) return `${sym}${(n/1000000).toFixed(1)}M`; if (absN >= 1000) return `${sym}${(n/1000).toFixed(0)}K`; return `${sym}${n.toLocaleString('es-AR')}`; }; // fmtFull: preserva decimales si hay (no redondea). Acepta moneda opcional para el símbolo. const fmtFull = (n, currency) => { const sym = _curSym(currency); const num = Number(n) || 0; const hasDecimals = Math.abs(num % 1) > 0.0001; return `${sym}${num.toLocaleString('es-AR', { minimumFractionDigits: hasDecimals ? 2 : 0, maximumFractionDigits: 2, })}`; }; const getCategoryMeta = (cat) => CATEGORIES.find(c => c.name === cat) || { color: '#94A3B8', bg: '#F1F5F9', iconName: 'package' }; const getCategoryColor = (cat) => getCategoryMeta(cat).color; const getCategoryBg = (cat) => getCategoryMeta(cat).bg; const getCategoryIconName = (cat) => getCategoryMeta(cat).iconName; // Backward-compat (algunos componentes legacy aún usan getCategoryEmoji) const getCategoryEmoji = (cat) => getCategoryMeta(cat).iconName; /* ── CategoryIcon — fondo neutro adaptable al tema, icono en color de la categoría ── */ const CategoryIcon = ({ category, size = 'md', style = {} }) => { const meta = getCategoryMeta(category); const dims = { xs: { box: 26, icon: 13, radius: 8 }, sm: { box: 32, icon: 15, radius: 10 }, md: { box: 42, icon: 19, radius: 13 }, lg: { box: 52, icon: 23, radius: 16 }, }[size] || { box: 42, icon: 19, radius: 13 }; return (
); }; // Format date label relative to today function fmtDateLabel(dateStr) { const today = new Date(); today.setHours(0,0,0,0); const d = new Date(dateStr + 'T00:00:00'); const diff = Math.round((today - d) / 86400000); if (diff === 0) return 'Hoy'; if (diff === 1) return 'Ayer'; return d.toLocaleDateString('es-AR', { day: 'numeric', month: 'long' }); } // Get month label function getMonthLabel(yyyymm) { const [y, m] = yyyymm.split('-').map(Number); return new Date(y, m-1, 1).toLocaleDateString('es-AR', { month: 'long', year: 'numeric' }); } // Helpers de navegación temporal — devuelven YYYY-MM function shiftMonth(yyyymm, delta) { const [y, m] = yyyymm.split('-').map(Number); const d = new Date(y, m - 1 + delta, 1); return `${d.getFullYear()}-${String(d.getMonth()+1).padStart(2,'0')}`; } const getPrevMonth = (yyyymm) => shiftMonth(yyyymm, -1); const getNextMonth = (yyyymm) => shiftMonth(yyyymm, +1); /* ───────────────────────────────────────────────────────────── Proyección de un mes — la pieza final del "rumbo" Combina: (a) lo registrado en transactions (b) ingresos recurrentes esperados (recurringIncomes) (c) gastos fijos esperados (fixedExpenses) (d) cuotas mínimas de deudas Para mes pasado/actual: usa lo registrado + lo que faltó por venir del mes Para mes futuro: solo proyección (no hay transactions). ───────────────────────────────────────────────────────────── */ function getMonthProjection(data, yyyymm) { const todayKey = `${new Date().getFullYear()}-${String(new Date().getMonth()+1).padStart(2,'0')}`; const isPast = yyyymm < todayKey; const isCurrent = yyyymm === todayKey; const isFuture = yyyymm > todayKey; const today = new Date(); today.setHours(0,0,0,0); const txs = (data.transactions || []).filter(t => (t.date||'').startsWith(yyyymm)); const realIncome = txs.filter(t => t.type === 'income').reduce((s,t) => s+t.amount, 0); const realExpense = txs.filter(t => t.type === 'expense').reduce((s,t) => s+t.amount, 0); // Items recurrentes proyectados const projectedIncomes = []; (data.recurringIncomes || []).filter(r => r.active).forEach(r => { getDueDatesInMonth(r, yyyymm).forEach(date => { // Si es mes pasado o actual y la fecha ya pasó, asumimos que está reflejada en transactions // → no la sumamos para no duplicar if (!isFuture && date <= today) return; projectedIncomes.push({ source:'recurringIncome', item:r, date, amount: r.amount, currency: r.currency }); }); }); const projectedExpenses = []; (data.fixedExpenses || []).filter(f => f.active).forEach(f => { getDueDatesInMonth(f, yyyymm).forEach(date => { if (!isFuture && date <= today) return; projectedExpenses.push({ source:'fixed', item:f, date, amount: f.amount, currency: f.currency }); }); }); (data.debts || []).forEach(d => { getDueDatesInMonth({ ...d, frequency: d.frequency || 'mensual' }, yyyymm).forEach(date => { if (!isFuture && date <= today) return; projectedExpenses.push({ source:'debt', item:d, date, amount: d.minPayment || 0, currency: d.currency }); }); }); // Convertir a moneda base para sumar const baseCurrency = data.settings?.currency || 'ARS'; const fxRates = data.fxRates || {}; const toBase = (amount, cur) => (typeof convertToBase === 'function') ? convertToBase(amount, cur, fxRates, baseCurrency) : amount; const projIncBase = projectedIncomes.reduce((s,i) => s + toBase(i.amount, i.currency), 0); const projExpBase = projectedExpenses.reduce((s,i) => s + toBase(i.amount, i.currency), 0); return { yyyymm, isPast, isCurrent, isFuture, real: { income: realIncome, expense: realExpense, net: realIncome - realExpense }, projected: { income: projIncBase, expense: projExpBase, net: projIncBase - projExpBase, items: { incomes: projectedIncomes, expenses: projectedExpenses } }, expected: { income: realIncome + projIncBase, expense: realExpense + projExpBase, net: (realIncome + projIncBase) - (realExpense + projExpBase), }, }; } /* Devuelve el saldo retroactivo de una cuenta al CIERRE de un mes dado (último día del mes a las 23:59). Para meses futuros devuelve null porque no se puede calcular retroactivamente sin proyección. */ function getAccountBalanceAtMonthEnd(account, transactions, yyyymm) { const todayKey = `${new Date().getFullYear()}-${String(new Date().getMonth()+1).padStart(2,'0')}`; if (yyyymm > todayKey) return null; // Cutoff: primer día del mes siguiente. Tx >= cutoff son "posteriores al cierre". const cutoff = shiftMonth(yyyymm, 1) + '-01'; let balance = account.balance; transactions.forEach(t => { if (t.accountId !== account.id) return; if (t.date < cutoff) return; if (t.type === 'income') balance -= t.amount; else if (t.type === 'expense') balance += t.amount; }); return balance; } /* ───────────────────────────────────────────────────────────── Calcula las fechas de vencimiento de un ítem recurrente (gasto fijo o cuota de deuda) dentro de un mes específico. Item shape: { dueDay, frequency, weekDay?, annualMonth?, annualDay? } Devuelve array de fechas Date ordenadas. ───────────────────────────────────────────────────────────── */ function getDueDatesInMonth(item, yyyymm) { const [y, m] = yyyymm.split('-').map(Number); const lastDay = new Date(y, m, 0).getDate(); // último día del mes const freq = item.frequency || 'mensual'; const dates = []; if (freq === 'mensual') { const day = Math.min(parseInt(item.dueDay) || 1, lastDay); dates.push(new Date(y, m-1, day)); } else if (freq === 'quincenal') { const start = Math.min(parseInt(item.dueDay) || 1, lastDay); dates.push(new Date(y, m-1, start)); const second = start + 15; if (second <= lastDay) dates.push(new Date(y, m-1, second)); } else if (freq === 'semanal') { const targetDow = parseInt(item.weekDay) || 0; // 0=Lun … 6=Dom // Convertir nuestro 0=Lun a JS 1=Lun (donde 0=Dom) const jsDow = (targetDow + 1) % 7; for (let d = 1; d <= lastDay; d++) { if (new Date(y, m-1, d).getDay() === jsDow) dates.push(new Date(y, m-1, d)); } } else if (freq === 'diario') { for (let d = 1; d <= lastDay; d++) dates.push(new Date(y, m-1, d)); } else if (freq === 'anual') { const am = parseInt(item.annualMonth) || 1; if (am === m) { const day = Math.min(parseInt(item.annualDay) || 1, lastDay); dates.push(new Date(y, m-1, day)); } } return dates; } Object.assign(window, { loadData, saveData, DEFAULT_DATA, EMPTY_DATA, buildDemoData, freshData, goalSaved, goalPlanStatus, CATEGORIES, registerCustomCategory, CURRENT_MONTH, PREV_MONTH, fmt, fmtFull, getCategoryMeta, getCategoryColor, getCategoryBg, getCategoryIconName, getCategoryEmoji, CategoryIcon, fmtDateLabel, getMonthLabel, shiftMonth, getPrevMonth, getNextMonth, getDueDatesInMonth, getAccountBalanceAtMonthEnd, getMonthProjection, STORAGE_KEY, });