adjust column widths based off header widths

src/americansouth/display.py

@@ -6,26 +6,67 @@
 
 class DisplayManager:
     def __init__(self) -> None:
+        self.formatter: DataFormatter = DataFormatter()
+        self.headers: typing.Dict[str, str] = {
+            "daily": "DAILY USED",
+            "budget": "DAILY BUDGET",
+            "total": "BANDWIDTH USED",
+            "monthly": "REMAINING BUDGET",
+            "total_avail": "MONTHLY BUDGET",
+            "fetch": "DATA FETCH TIME",
+        }
         self.col_width: typing.Dict[str, int] = {
-            "daily": 12,
-            "budget": 12,
-            "total": 12,
-            "monthly": 14,
-            "fetch": 22,
-            "total_avail": 10,
+            "daily": len(self.headers["daily"]),
+            "budget": len(self.headers["budget"]),
+            "total": len(self.headers["total"]),
+            "monthly": len(self.headers["monthly"]),
+            "total_avail": len(self.headers["total_avail"]),
+            "fetch": len(self.headers["fetch"]),
         }
-        self.formatter: DataFormatter = DataFormatter()
+
+    def update_widths(
+        self,
+        records: typing.List[
+            typing.Tuple[float, float, datetime.datetime, float, float]
+        ],
+    ) -> None:
+        prev_amount = 0
+        for record in records:
+            _, amount, scraped_at, daily_limit, total = record
+            daily_used = amount - prev_amount
+            remaining = total - amount
+
+            daily_str = f"{int(daily_used)}GB"
+            budget_str = self.formatter.format_gb(daily_limit)
+            total_str = f"{int(amount)}GB"
+            remaining_str = f"{int(remaining)}GB"
+            total_avail_str = f"{int(total)}GB"
+            fetch_time = self.formatter.format_time(scraped_at)
+
+            self.col_width["daily"] = max(self.col_width["daily"], len(daily_str))
+            self.col_width["budget"] = max(self.col_width["budget"], len(budget_str))
+            self.col_width["total"] = max(self.col_width["total"], len(total_str))
+            self.col_width["monthly"] = max(
+                self.col_width["monthly"], len(remaining_str)
+            )
+            self.col_width["total_avail"] = max(
+                self.col_width["total_avail"], len(total_avail_str)
+            )
+            self.col_width["fetch"] = max(self.col_width["fetch"], len(fetch_time))
+
+            prev_amount = amount
 
     def print_headers(self) -> None:
         print(
-            f"{'DAILY USED':>{self.col_width['daily']}} "
-            f"{'DAILY BUDGET':>{self.col_width['budget']}} "
-            f"{'TOTAL USED':>{self.col_width['total']}} "
-            f"{'MONTHLY BUDGET':>{self.col_width['monthly']}} "
-            f"{'TOTAL':>{self.col_width['total_avail']}} "
-            f"{'DATA FETCH TIME':<{self.col_width['fetch']}}"
+            f"{self.headers['daily']:>{self.col_width['daily']}} "
+            f"{self.headers['budget']:>{self.col_width['budget']}} "
+            f"{self.headers['total']:>{self.col_width['total']}} "
+            f"{self.headers['monthly']:>{self.col_width['monthly']}} "
+            f"{self.headers['total_avail']:>{self.col_width['total_avail']}} "
+            f"{self.headers['fetch']:<{self.col_width['fetch']}}"
         )
-        print("-" * 92)
+        total_width = sum(self.col_width.values()) + len(self.col_width) - 1
+        print("-" * total_width)
 
     def print_record(
         self,
@@ -35,13 +76,11 @@ def print_record(
         _, amount, scraped_at, daily_limit, total = record
         daily_used: float = amount - prev_amount
         remaining: float = total - amount
-
         daily_str: str = f"{int(daily_used)}GB"
         total_str: str = f"{int(amount)}GB"
         remaining_str: str = f"{int(remaining)}GB"
         total_avail_str: str = f"{int(total)}GB"
         fetch_time: str = self.formatter.format_time(scraped_at)
-
         print(
             f"{daily_str:>{self.col_width['daily']}} "
             f"{self.formatter.format_gb(daily_limit):>{self.col_width['budget']}} "