From b3df18c5d49a2f05e8e89a07b1db445724c72f83 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 21 Aug 2025 10:04:59 +0000
Subject: [PATCH 1/2] Initial plan


From 59bae540dbef972e1c17fb47c73db1e0c5371e27 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 21 Aug 2025 10:16:17 +0000
Subject: [PATCH 2/2] Fix CLI datetime parsing to default date-only strings to
 midnight

Co-authored-by: Marenz <424752+Marenz@users.noreply.github.com>
---
 src/frequenz/client/dispatch/_cli_types.py | 26 ++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/frequenz/client/dispatch/_cli_types.py b/src/frequenz/client/dispatch/_cli_types.py
index 276d544..b94ed65 100644
--- a/src/frequenz/client/dispatch/_cli_types.py
+++ b/src/frequenz/client/dispatch/_cli_types.py
@@ -4,9 +4,10 @@
 """Types for the CLI client."""
 
 import json
-from datetime import datetime, timedelta, timezone
+from datetime import datetime, timedelta, timezone, time
 from itertools import chain
 from typing import Any, Literal, cast
+import re
 
 import asyncclick as click
 import parsedatetime  # type: ignore
@@ -53,7 +54,28 @@ def convert(
             if value.upper() == "NOW":
                 return "NOW"
 
-            parsed_dt, parse_status = self.cal.parseDT(value, tzinfo=self.local_tz)
+            # Check if this looks like a date-only string (e.g., "2025-08-06", "2025/08/06", "Aug 6, 2025")
+            # Use midnight as the default time only for date-only strings, not relative times
+            date_only_patterns = [
+                r'^\d{4}-\d{1,2}-\d{1,2}$',  # YYYY-MM-DD or YYYY-M-D
+                r'^\d{4}/\d{1,2}/\d{1,2}$',  # YYYY/MM/DD or YYYY/M/D
+                r'^\d{1,2}/\d{1,2}/\d{4}$',  # MM/DD/YYYY or M/D/YYYY
+                r'^\d{1,2}-\d{1,2}-\d{4}$',  # MM-DD-YYYY or M-D-YYYY
+            ]
+            
+            is_date_only = any(re.match(pattern, value.strip()) for pattern in date_only_patterns)
+            
+            if is_date_only:
+                # Use midnight as the default time for date-only strings
+                midnight_source = datetime.combine(
+                    datetime.now().date(), time(0, 0, 0), tzinfo=self.local_tz
+                )
+                parsed_dt, parse_status = self.cal.parseDT(
+                    value, sourceTime=midnight_source, tzinfo=self.local_tz
+                )
+            else:
+                # Use current time for relative expressions like "in 1 hour"
+                parsed_dt, parse_status = self.cal.parseDT(value, tzinfo=self.local_tz)
             if parse_status == 0:
                 self.fail(f"Invalid time expression: {value}", param, ctx)