05/23 Phase 15

ui/analysis.py

@@ -28,6 +28,7 @@ from core.analyzer import (
     pair_analysis, odd_even_ratio, sum_range_analysis, delta_analysis,
 )
 from core.exporter import export_frequency_excel, ensure_exports_dir
+from core.odds import game_odds
 
 _LAST_N_OPTIONS = {
     "All draws": None,
@@ -83,6 +84,34 @@ class AnalysisScreen(ttk.Frame):
         self._oe_fig,    self._oe_canvas    = self._make_tab(nb, "Odd/Even")
         self._sum_fig,   self._sum_canvas   = self._make_tab(nb, "Sum Range")
         self._delta_fig, self._delta_canvas = self._make_tab(nb, "Deltas")
+        self._make_odds_tab(nb)
+
+    def _make_odds_tab(self, notebook):
+        frame = ttk.Frame(notebook)
+        notebook.add(frame, text="Odds")
+
+        ttk.Label(
+            frame,
+            text="Mathematical odds based on the game's pool size. "
+                 "Not all tiers pay prizes in every game.",
+            foreground="#666666", padding=(8, 6, 8, 2),
+        ).pack(anchor="w")
+
+        cols = ("tier", "odds", "probability")
+        tv = ttk.Treeview(frame, columns=cols, show="headings", selectmode="none")
+        tv.heading("tier",        text="Prize Tier")
+        tv.heading("odds",        text="Odds (1 in X)")
+        tv.heading("probability", text="Probability")
+        tv.column("tier",        width=210, anchor="w")
+        tv.column("odds",        width=210, anchor="e")
+        tv.column("probability", width=160, anchor="e")
+
+        vsb = ttk.Scrollbar(frame, orient="vertical", command=tv.yview)
+        tv.configure(yscrollcommand=vsb.set)
+        vsb.pack(side="right", fill="y")
+        tv.pack(fill="both", expand=True, padx=8, pady=(0, 8))
+
+        self._odds_tv = tv
 
     def _make_tab(self, notebook, title):
         frame = ttk.Frame(notebook)
@@ -132,6 +161,7 @@ class AnalysisScreen(ttk.Frame):
         self._redraw_odd_even()
         self._redraw_sum_range()
         self._redraw_deltas()
+        self._redraw_odds()
 
     def _redraw_frequency(self):
         self._freq_fig.clear()
@@ -196,6 +226,21 @@ class AnalysisScreen(ttk.Frame):
             _draw_deltas(ax, self._game_id)
         self._delta_canvas.draw()
 
+    def _redraw_odds(self):
+        for row in self._odds_tv.get_children():
+            self._odds_tv.delete(row)
+        if self._game_id is None:
+            return
+        for r in game_odds(self._game_id):
+            p = r["probability"]
+            if p >= 0.001:
+                pct = f"{p * 100:.4f}%"
+            elif p >= 0.000001:
+                pct = f"{p * 100:.6f}%"
+            else:
+                pct = f"{p:.2e}"
+            self._odds_tv.insert("", "end", values=(r["tier"], r["odds_str"], pct))
+
     def _export_frequency(self):
         if self._game_id is None:
             messagebox.showinfo("Export", "Select a game first.")