From c1405b5fb825499fae0dee267a5abe0298a00f5a Mon Sep 17 00:00:00 2001
From: Nguyen HP Laptop <ngodanguyen@gmail.com>
Date: Sat, 23 May 2026 11:37:17 -0400
Subject: [PATCH] 05/23 Phase 6

---
 .claude/settings.local.json |   3 +-
 CLAUDE.md                   |  18 ++--
 data/lottosight.db          | Bin 557056 -> 557056 bytes
 main.py                     |   3 +
 tests/test_settings.py      | 162 ++++++++++++++++++++++++++++++
 ui/settings.py              | 192 ++++++++++++++++++++++++++++++++++++
 6 files changed, 369 insertions(+), 9 deletions(-)
 create mode 100644 tests/test_settings.py
 create mode 100644 ui/settings.py

diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index eb3d5e2..92ddad2 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -6,7 +6,8 @@
       "Bash(python -m pytest tests/test_history.py -v)",
       "Bash(python -m pytest tests/test_analyzer.py -v)",
       "Bash(python -m pytest tests/test_predictor.py -v)",
-      "Bash(python -m pytest)"
+      "Bash(python -m pytest)",
+      "Bash(python -m pytest tests/test_settings.py -v)"
     ]
   }
 }
diff --git a/CLAUDE.md b/CLAUDE.md
index 828c009..9475a11 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -294,14 +294,16 @@ All actions are logged to console and optionally to a log file:
 
 ---
 
-### 🔲 Phase 6 — Settings Screen
-- [ ] Write `ui/settings.py`
-  - [ ] Game enable/disable toggles
-  - [ ] Fetch interval display (24hrs, read-only for now)
-  - [ ] Manual fetch button (same as toolbar)
-  - [ ] Last fetch timestamp per source
-  - [ ] DB stats (total records per game)
-- [ ] Wire settings to DB config reads/writes
+### ✅ Phase 6 — Settings Screen
+- [x] Write `ui/settings.py`
+  - [x] Game enable/disable checkboxes (set_game_active on toggle)
+  - [x] Fetch interval display (24 hours, read-only)
+  - [x] Manual fetch button (shared on_fetch callback from main.py)
+  - [x] Last fetch timestamp + added/skipped per source (colour-coded)
+  - [x] DB stats (draws per game + prediction count)
+  - [x] Scrollable canvas layout for future growth
+- [x] Wire settings to DB reads/writes via main.py callback injection
+- [x] 14 tests (138/138 total passing)
 
 ---
 
diff --git a/data/lottosight.db b/data/lottosight.db
index 9089fa677cf92679d82b54683a2f99b42895e9d1..f3f3ea14407fca28abd30da32c394e8c2de110ad 100644
GIT binary patch
delta 189
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zex82}{O9;*@~82e@crjI!#9gBmCuNef%i1;4Bj+eL!N(|1qE*KFd6bsKG&zpXKZF=
zVpLq3oSa%*Y|J;Av0qgHBxJ~W0xD?0J9$o@5=hY4f_*wv(2xhDxp{wY`~F@=AZ7w$
TW*}w(Vpbq#+rGb--SHCuzP&!Y

delta 121
zcmZo@P-<vUnjp<sI#I@%v2<fXhrI+37ZbBMQ%X@{d9h$TCnK{sV|rq4YB9$q2Nnkz
z9^M%Y{O9;*@~82e@crjI!#9gBmCuNef%i1;jLm`q6}(J_Jd=9Wnh*50ALwNSVkRJF
T24WT<W(8ul?FV|<9X<g7Q^Y5~

diff --git a/main.py b/main.py
index f7c0040..ec4133d 100644
--- a/main.py
+++ b/main.py
@@ -19,6 +19,7 @@ from ui.statusbar import StatusBar
 from ui.history import HistoryScreen
 from ui.analysis import AnalysisScreen
 from ui.predictor_ui import PredictorScreen
+from ui.settings import SettingsScreen
 
 logging.basicConfig(
     level=logging.INFO,
@@ -104,6 +105,8 @@ class LottoSightApp(tk.Tk):
             return AnalysisScreen(self._content)
         if name == "Predictor":
             return PredictorScreen(self._content)
+        if name == "Settings":
+            return SettingsScreen(self._content, on_fetch=self._manual_fetch)
         # Placeholder for screens added in later phases
         placeholder = ttk.Label(
             self._content, text=f"{name} — coming soon",
diff --git a/tests/test_settings.py b/tests/test_settings.py
new file mode 100644
index 0000000..97b93f9
--- /dev/null
+++ b/tests/test_settings.py
@@ -0,0 +1,162 @@
+"""
+tests/test_settings.py
+-----------------------
+Tests for the Settings screen data layer and game-toggle logic.
+UI smoke tests run only when a display is available.
+"""
+
+import pytest
+from db.models import (
+    get_all_games, get_game_by_name, get_draw_count,
+    set_game_active, insert_draw,
+    insert_fetch_log, get_last_fetch_per_source,
+)
+from db.database import get_db_stats
+
+
+# ── Game toggle (model layer) ─────────────────────────────────────────────────
+
+def test_game_starts_active(tmp_db):
+    game = get_game_by_name("Powerball")
+    assert game["active"] == 1
+
+
+def test_disable_game(tmp_db):
+    game = get_game_by_name("Powerball")
+    set_game_active(game["id"], False)
+    game = get_game_by_name("Powerball")
+    assert game["active"] == 0
+
+
+def test_enable_game_after_disable(tmp_db):
+    game = get_game_by_name("Powerball")
+    set_game_active(game["id"], False)
+    set_game_active(game["id"], True)
+    game = get_game_by_name("Powerball")
+    assert game["active"] == 1
+
+
+def test_disabled_game_excluded_from_active_only(tmp_db):
+    game = get_game_by_name("Powerball")
+    set_game_active(game["id"], False)
+    active = get_all_games(active_only=True)
+    names = [g["name"] for g in active]
+    assert "Powerball" not in names
+    assert "Mega Millions" in names
+
+
+# ── DB stats ──────────────────────────────────────────────────────────────────
+
+def test_db_stats_zero_on_fresh_db(tmp_db):
+    stats = get_db_stats()
+    assert all(v == 0 for v in stats.values())
+
+
+def test_db_stats_reflects_inserts(tmp_db):
+    pb = get_game_by_name("Powerball")
+    insert_draw(pb["id"], "2024-01-01", [1, 2, 3, 4, 5], bonus=7)
+    insert_draw(pb["id"], "2024-01-03", [5, 10, 20, 30, 40], bonus=15)
+    stats = get_db_stats()
+    assert stats["Powerball"] == 2
+    assert stats["Mega Millions"] == 0
+
+
+def test_draw_count_matches_db_stats(tmp_db):
+    pb = get_game_by_name("Powerball")
+    insert_draw(pb["id"], "2024-01-01", [1, 2, 3, 4, 5], bonus=7)
+    assert get_draw_count(pb["id"]) == get_db_stats()["Powerball"]
+
+
+# ── Last fetch per source ─────────────────────────────────────────────────────
+
+def test_last_fetch_empty_on_fresh_db(tmp_db):
+    assert get_last_fetch_per_source() == {}
+
+
+def test_last_fetch_shows_all_sources(tmp_db):
+    for src in ("powerball_ny", "megamillions_ny", "megamillions_tx"):
+        insert_fetch_log(src, added=2, skipped=1, status="success")
+    result = get_last_fetch_per_source()
+    assert set(result.keys()) == {"powerball_ny", "megamillions_ny", "megamillions_tx"}
+
+
+def test_last_fetch_returns_most_recent(tmp_db):
+    insert_fetch_log("powerball_ny", added=1, skipped=0, status="success", message=None)
+    insert_fetch_log("powerball_ny", added=5, skipped=2, status="success", message=None)
+    result = get_last_fetch_per_source()
+    assert result["powerball_ny"]["added"] == 5
+
+
+def test_last_fetch_error_status_preserved(tmp_db):
+    insert_fetch_log("powerball_ny", added=0, skipped=0, status="error", message="timeout")
+    result = get_last_fetch_per_source()
+    assert result["powerball_ny"]["status"] == "error"
+
+
+# ── UI smoke tests ────────────────────────────────────────────────────────────
+
+def _has_display():
+    try:
+        import tkinter as tk
+        r = tk.Tk()
+        r.withdraw()
+        r.destroy()
+        return True
+    except Exception:
+        return False
+
+
+@pytest.mark.skipif(not _has_display(), reason="no display available")
+def test_settings_screen_instantiates(tmp_db):
+    import tkinter as tk
+    from ui.settings import SettingsScreen
+
+    root = tk.Tk()
+    root.withdraw()
+    try:
+        screen = SettingsScreen(root)
+        screen.refresh()
+        assert screen.winfo_exists()
+    finally:
+        root.destroy()
+
+
+@pytest.mark.skipif(not _has_display(), reason="no display available")
+def test_settings_game_toggle_updates_db(tmp_db):
+    import tkinter as tk
+    from ui.settings import SettingsScreen
+
+    root = tk.Tk()
+    root.withdraw()
+    try:
+        screen = SettingsScreen(root)
+        screen.refresh()
+
+        # Simulate unchecking Powerball via its BooleanVar
+        pb = get_game_by_name("Powerball")
+        var = screen._game_vars.get(pb["id"])
+        assert var is not None
+        var.set(False)
+        screen._toggle_game(pb["id"], var)
+
+        pb_after = get_game_by_name("Powerball")
+        assert pb_after["active"] == 0
+    finally:
+        root.destroy()
+
+
+@pytest.mark.skipif(not _has_display(), reason="no display available")
+def test_settings_shows_fetch_history(tmp_db):
+    import tkinter as tk
+    from ui.settings import SettingsScreen
+
+    insert_fetch_log("powerball_ny", added=3, skipped=1, status="success")
+    root = tk.Tk()
+    root.withdraw()
+    try:
+        screen = SettingsScreen(root)
+        screen.refresh()
+        # No assertion on widget text — just verify no exceptions during refresh
+        assert screen.winfo_exists()
+    finally:
+        root.destroy()
diff --git a/ui/settings.py b/ui/settings.py
new file mode 100644
index 0000000..2e663d6
--- /dev/null
+++ b/ui/settings.py
@@ -0,0 +1,192 @@
+"""
+ui/settings.py
+--------------
+Settings screen: game toggles, data-source fetch history,
+manual fetch button, and database statistics.
+on_fetch: callable injected by main.py to trigger the shared fetch thread.
+"""
+
+import tkinter as tk
+from tkinter import ttk
+import logging
+
+from db.database import get_db_stats
+from db.models import (
+    get_all_games, get_draw_count, set_game_active,
+    get_last_fetch_per_source, get_predictions,
+)
+
+logger = logging.getLogger(__name__)
+
+_SOURCE_NAMES = {
+    "powerball_ny":    "Powerball (NY)",
+    "megamillions_ny": "Mega Millions (NY)",
+    "megamillions_tx": "Mega Millions (TX)",
+}
+_ALL_SOURCES = ["powerball_ny", "megamillions_ny", "megamillions_tx"]
+
+_HEADER_FONT = ("TkDefaultFont", 10, "bold")
+
+
+class SettingsScreen(ttk.Frame):
+    def __init__(self, parent, on_fetch=None, **kwargs):
+        super().__init__(parent, **kwargs)
+        self._on_fetch    = on_fetch   # injected by main.py
+        self._game_vars: dict[int, tk.BooleanVar] = {}
+
+        self._build_ui()
+
+    # ── Layout ────────────────────────────────────────────────────────────────
+
+    def _build_ui(self):
+        # Scrollable container
+        canvas = tk.Canvas(self, highlightthickness=0)
+        vsb    = ttk.Scrollbar(self, orient="vertical", command=canvas.yview)
+        canvas.configure(yscrollcommand=vsb.set)
+        vsb.pack(side="right", fill="y")
+        canvas.pack(side="left", fill="both", expand=True)
+
+        inner = ttk.Frame(canvas, padding=(24, 18, 24, 18))
+        win   = canvas.create_window((0, 0), window=inner, anchor="nw")
+
+        def _resize(event=None):
+            canvas.configure(scrollregion=canvas.bbox("all"))
+            canvas.itemconfig(win, width=canvas.winfo_width())
+
+        inner.bind("<Configure>", lambda e: _resize())
+        canvas.bind("<Configure>",  lambda e: _resize())
+        canvas.bind("<Enter>",
+            lambda e: canvas.bind_all("<MouseWheel>",
+                lambda ev: canvas.yview_scroll(-1 * (ev.delta // 120), "units")))
+        canvas.bind("<Leave>",
+            lambda e: canvas.unbind_all("<MouseWheel>"))
+
+        self._inner = inner
+        self._build_sections()
+
+    def _section(self, title):
+        """Create and return a new section frame appended to the inner frame."""
+        frame = ttk.Frame(self._inner)
+        frame.pack(fill="x", pady=(0, 22))
+        ttk.Label(frame, text=title, font=_HEADER_FONT).pack(anchor="w")
+        ttk.Separator(frame, orient="horizontal").pack(fill="x", pady=(4, 10))
+        body = ttk.Frame(frame)
+        body.pack(fill="x")
+        return body
+
+    def _build_sections(self):
+        self._games_body   = self._section("Games")
+        self._sources_body = self._section("Data Sources")
+        self._fetch_body   = self._build_fetch_section()
+        self._db_body      = self._section("Database")
+
+    def _build_fetch_section(self):
+        body = self._section("Fetch Schedule")
+
+        row1 = ttk.Frame(body)
+        row1.pack(fill="x", pady=(0, 8))
+        ttk.Label(row1, text="Auto-fetch interval:", width=22, anchor="w").pack(side="left")
+        ttk.Label(row1, text="24 hours  (fixed)", foreground="#666666").pack(side="left")
+
+        row2 = ttk.Frame(body)
+        row2.pack(fill="x")
+        self._fetch_btn = ttk.Button(row2, text="Fetch Now", command=self._do_fetch)
+        self._fetch_btn.pack(side="left")
+        self._fetch_msg_var = tk.StringVar()
+        ttk.Label(row2, textvariable=self._fetch_msg_var,
+                  foreground="#555555").pack(side="left", padx=(12, 0))
+
+        return body
+
+    # ── Data loading ──────────────────────────────────────────────────────────
+
+    def refresh(self):
+        self._fetch_btn.config(state="normal")
+        self._fetch_msg_var.set("")
+        self._refresh_games()
+        self._refresh_sources()
+        self._refresh_db()
+
+    def _refresh_games(self):
+        for w in self._games_body.winfo_children():
+            w.destroy()
+        self._game_vars.clear()
+
+        games = get_all_games()
+        for game in games:
+            row = ttk.Frame(self._games_body)
+            row.pack(fill="x", pady=3)
+
+            var = tk.BooleanVar(value=bool(game["active"]))
+            self._game_vars[game["id"]] = var
+
+            ttk.Checkbutton(
+                row, text=game["name"], variable=var,
+                command=lambda gid=game["id"], v=var: self._toggle_game(gid, v),
+            ).pack(side="left")
+
+            count = get_draw_count(game["id"])
+            ttk.Label(
+                row, text=f"{count:,} draws",
+                foreground="#777777",
+            ).pack(side="left", padx=(16, 0))
+
+    def _refresh_sources(self):
+        for w in self._sources_body.winfo_children():
+            w.destroy()
+
+        last = get_last_fetch_per_source()   # {source: Row}
+
+        for source in _ALL_SOURCES:
+            row = ttk.Frame(self._sources_body)
+            row.pack(fill="x", pady=3)
+
+            ttk.Label(
+                row, text=_SOURCE_NAMES.get(source, source),
+                width=22, anchor="w",
+            ).pack(side="left")
+
+            log = last.get(source)
+            if log:
+                ts     = log["fetched_at"][:16].replace("T", " ")
+                status = log["status"]
+                added  = log["added"]
+                skipped= log["skipped"]
+                color  = "#27ae60" if status == "success" else "#e74c3c"
+                text   = f"Last: {ts}   +{added} added, {skipped} skipped"
+                ttk.Label(row, text=text, foreground=color).pack(side="left")
+            else:
+                ttk.Label(row, text="Never fetched", foreground="#aaaaaa").pack(side="left")
+
+    def _refresh_db(self):
+        for w in self._db_body.winfo_children():
+            w.destroy()
+
+        stats = get_db_stats()   # {game_name: draw_count}
+        for name, count in sorted(stats.items()):
+            row = ttk.Frame(self._db_body)
+            row.pack(fill="x", pady=2)
+            ttk.Label(row, text=f"{name}:", width=18, anchor="w").pack(side="left")
+            ttk.Label(row, text=f"{count:,} draws", foreground="#555555").pack(side="left")
+
+        pred_count = len(get_predictions(limit=100_000))
+        row = ttk.Frame(self._db_body)
+        row.pack(fill="x", pady=2)
+        ttk.Label(row, text="Predictions:", width=18, anchor="w").pack(side="left")
+        ttk.Label(row, text=str(pred_count), foreground="#555555").pack(side="left")
+
+    # ── Actions ───────────────────────────────────────────────────────────────
+
+    def _toggle_game(self, game_id: int, var: tk.BooleanVar):
+        active = var.get()
+        set_game_active(game_id, active)
+        logger.info("[SETTINGS] Game id=%d set active=%s", game_id, active)
+        self._refresh_games()
+
+    def _do_fetch(self):
+        if self._on_fetch:
+            self._fetch_btn.config(state="disabled")
+            self._fetch_msg_var.set("Fetching…")
+            self._on_fetch()
+        else:
+            self._fetch_msg_var.set("Fetch not available.")