From a80a672d1f4de3e7113705e416880cd2a1de2751 Mon Sep 17 00:00:00 2001
From: Alison Hill <34223923+alsnhll@users.noreply.github.com>
Date: Thu, 9 Nov 2023 00:02:56 -0500
Subject: [PATCH] improved error message for problems with timeseries parameter
 file dates

---
 flepimop/gempyor_pkg/src/gempyor/parameters.py | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/flepimop/gempyor_pkg/src/gempyor/parameters.py b/flepimop/gempyor_pkg/src/gempyor/parameters.py
index 674506e8d..e2a63eb49 100644
--- a/flepimop/gempyor_pkg/src/gempyor/parameters.py
+++ b/flepimop/gempyor_pkg/src/gempyor/parameters.py
@@ -71,17 +71,20 @@ def __init__(
                     print("loaded dates:", df.index)
                     raise ValueError(
                         f"""ERROR loading file {fn_name} for parameter {pn}: 
-                    the 'date' index of the provided file does not cover the whole config time span from
-                    {ti}->{tf}, where we have dates from {str(df.index[0])} to {str(df.index[-1])}"""
+                    the 'date' entries of the provided file do not include all the days specified to be modeled by 
+                    the config. the provided file includes {len(df.index)} days between {str(df.index[0])} to {str(df.index[-1])}, 
+                    while there are {len(pd.date_range(ti, tf))} days in the config time span of {ti}->{tf}. The file must contain entries for the
+                    the exact start and end dates from the config. """
                     )
-                # check the date range, need the lenght to be equal
                 if not (pd.date_range(ti, tf) == df.index).all():
                     print("config dates:", pd.date_range(ti, tf))
                     print("loaded dates:", df.index)
                     raise ValueError(
                         f"""ERROR loading file {fn_name} for parameter {pn}: 
-                    the 'date' index of the provided file does not cover the whole config time span from
-                    {ti}->{tf}"""
+                    the 'date' entries of the provided file do not include all the days specified to be modeled by 
+                    the config. the provided file includes {len(df.index)} days between {str(df.index[0])} to {str(df.index[-1])}, 
+                    while there are {len(pd.date_range(ti, tf))} days in the config time span of {ti}->{tf}. The file must contain entries for the
+                    the exact start and end dates from the config. """
                     )
 
                 self.pdata[pn]["ts"] = df