From 3c13c85081c9e55db7a34648433c613ab924c7ad Mon Sep 17 00:00:00 2001
From: Mlcarvalho1 <manoelliradecarvalho@gmail.com>
Date: Fri, 29 May 2026 00:28:09 -0300
Subject: [PATCH] =?UTF-8?q?debug(cdi):=20logs=20de=20diagn=C3=B3stico=20em?=
 =?UTF-8?q?=20ApplyYield=20e=20fetchCDIRates?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 apps/api/internal/service/cdi.go | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/apps/api/internal/service/cdi.go b/apps/api/internal/service/cdi.go
index 4e5f87d..5d592ba 100644
--- a/apps/api/internal/service/cdi.go
+++ b/apps/api/internal/service/cdi.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"log"
 	"net/http"
 	"sync"
 	"time"
@@ -95,16 +96,20 @@ func (s *CDIYieldService) ApplyYield(ctx context.Context, a *model.Account) erro
 		startDate = t.AddDate(0, 0, 1).Format("2006-01-02")
 	}
 
+	log.Printf("[cdi] account=%d lastYieldDate=%v startDate=%s yesterday=%s", a.ID, a.LastYieldDate, startDate, yesterday)
+
 	if startDate > yesterday {
-		// nothing to calculate yet
+		log.Printf("[cdi] account=%d early return (already up to date)", a.ID)
 		return nil
 	}
 
+	log.Printf("[cdi] account=%d calling BCB for [%s, %s]", a.ID, startDate, yesterday)
 	rates, err := s.fetchCDIRates(startDate, yesterday)
 	if err != nil {
-		// BCB API unreachable — skip silently; will retry next load
+		log.Printf("[cdi] account=%d BCB error: %v", a.ID, err)
 		return nil
 	}
+	log.Printf("[cdi] account=%d BCB returned %d rates", a.ID, len(rates))
 	if len(rates) == 0 {
 		return nil
 	}
@@ -146,10 +151,16 @@ func (s *CDIYieldService) ApplyYield(ctx context.Context, a *model.Account) erro
 		AccountID:   &a.ID,
 	}
 	if _, err := s.txRepo.Create(ctx, tx); err != nil {
+		log.Printf("[cdi] account=%d txRepo.Create error: %v", a.ID, err)
 		return err
 	}
 
-	return s.accountRepo.UpdateLastYieldDate(ctx, a.ID, yesterday)
+	if err := s.accountRepo.UpdateLastYieldDate(ctx, a.ID, yesterday); err != nil {
+		log.Printf("[cdi] account=%d UpdateLastYieldDate error: %v", a.ID, err)
+		return err
+	}
+	log.Printf("[cdi] account=%d yield applied OK, lastYieldDate → %s", a.ID, yesterday)
+	return nil
 }
 
 type bcbEntry struct {
@@ -162,8 +173,10 @@ func (s *CDIYieldService) fetchCDIRates(startDate, endDate string) ([]bcbEntry,
 	if s.cache.covers(startDate, endDate) {
 		entries := s.cache.get(startDate, endDate)
 		s.cache.mu.RUnlock()
+		log.Printf("[cdi] cache HIT [%s, %s] → %d entries", startDate, endDate, len(entries))
 		return entries, nil
 	}
+	log.Printf("[cdi] cache MISS [%s, %s] (minDate=%s maxDate=%s valid=%v)", startDate, endDate, s.cache.minDate, s.cache.maxDate, s.cache.valid())
 	s.cache.mu.RUnlock()
 
 	s.cache.mu.Lock()