From 831778ce51e3decac7f3c13250bdeccee7832de0 Mon Sep 17 00:00:00 2001
From: borja <borja@brobert.net>
Date: Sat, 6 Sep 2025 23:24:12 +0200
Subject: [PATCH] =?UTF-8?q?feat:=20usar=20TZ=20por=20entorno=20y=20parsear?=
 =?UTF-8?q?=20'hoy'/'ma=C3=B1ana'=20como=20fechas?=
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Co-authored-by: aider (openrouter/openai/gpt-5) <aider@aider.chat>
---
 src/services/command.ts | 55 +++++++++++++++++++++++++++--------------
 1 file changed, 36 insertions(+), 19 deletions(-)

diff --git a/src/services/command.ts b/src/services/command.ts
index 9f77062..52f1041 100644
--- a/src/services/command.ts
+++ b/src/services/command.ts
@@ -29,40 +29,57 @@ export class CommandService {
     const parts = (message || '').trim().split(/\s+/);
     const action = (parts[1] || '').toLowerCase();
 
-    const today = new Date();
-    today.setHours(0, 0, 0, 0);
-    const formatYMD = (d: Date) => d.toISOString().slice(0, 10);
+    // Zona horaria configurable (por defecto Europe/Madrid)
+    const TZ = process.env.TZ && process.env.TZ.trim() ? process.env.TZ : 'Europe/Madrid';
+
+    // Utilidades locales para operar con fechas en la TZ elegida sin depender del huso del host
+    const ymdFromDateInTZ = (d: Date): string => {
+      const fmt = new Intl.DateTimeFormat('en-GB', {
+        timeZone: TZ,
+        year: 'numeric',
+        month: '2-digit',
+        day: '2-digit',
+      }).formatToParts(d);
+      const get = (t: string) => fmt.find(p => p.type === t)?.value || '';
+      return `${get('year')}-${get('month')}-${get('day')}`;
+    };
+
+    const addDaysToYMD = (ymd: string, days: number): string => {
+      const [Y, M, D] = ymd.split('-').map(n => parseInt(n, 10));
+      const base = new Date(Date.UTC(Y, (M || 1) - 1, D || 1));
+      base.setUTCDate(base.getUTCDate() + days);
+      return ymdFromDateInTZ(base);
+    };
+
+    const todayYMD = ymdFromDateInTZ(new Date());
 
     type DateCandidate = { index: number; ymd: string };
     const dateCandidates: DateCandidate[] = [];
     const dateTokenIndexes = new Set<number>();
 
     for (let i = 2; i < parts.length; i++) {
-      const p = parts[i];
-      const low = p.toLowerCase();
-
-      if (/^\d{4}-\d{2}-\d{2}$/.test(p)) {
-        const d = new Date(p);
-        if (!isNaN(d.getTime())) {
-          d.setHours(0, 0, 0, 0);
-          if (d >= today) {
-            dateCandidates.push({ index: i, ymd: formatYMD(d) });
-            dateTokenIndexes.add(i);
-          }
+      // Normalizar token: minúsculas y sin puntuación adyacente simple
+      const raw = parts[i];
+      const low = raw.toLowerCase().replace(/^[([{¿¡"']+/, '').replace(/[.,;:!?)\]}¿¡"'']+$/, '');
+
+      // Fecha explícita YYYY-MM-DD
+      if (/^\d{4}-\d{2}-\d{2}$/.test(low)) {
+        // Validar rango básico y filtrar pasado según hoy en TZ
+        if (low >= todayYMD) {
+          dateCandidates.push({ index: i, ymd: low });
+          dateTokenIndexes.add(i);
         }
         continue;
       }
 
+      // Tokens naturales "hoy"/"mañana" (con o sin acento)
       if (low === 'hoy') {
-        dateCandidates.push({ index: i, ymd: formatYMD(today) });
+        dateCandidates.push({ index: i, ymd: todayYMD });
         dateTokenIndexes.add(i);
         continue;
       }
-
       if (low === 'mañana' || low === 'manana') {
-        const tmr = new Date(today);
-        tmr.setDate(tmr.getDate() + 1);
-        dateCandidates.push({ index: i, ymd: formatYMD(tmr) });
+        dateCandidates.push({ index: i, ymd: addDaysToYMD(todayYMD, 1) });
         dateTokenIndexes.add(i);
         continue;
       }