05/23 Phase 2

main.py

@@ -0,0 +1,146 @@
+"""
+main.py
+-------
+LottoSight entry point.
+Creates the main window with toolbar, content area, and status bar.
+Wires auto-fetch on launch (background thread) and 24hr APScheduler job.
+"""
+
+import logging
+import threading
+import tkinter as tk
+from tkinter import ttk
+
+from apscheduler.schedulers.background import BackgroundScheduler
+
+from db.database import init_db
+from core.fetcher import fetch_all
+from ui.statusbar import StatusBar
+
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s %(levelname)s %(message)s",
+    datefmt="%Y-%m-%d %H:%M:%S",
+)
+logger = logging.getLogger(__name__)
+
+
+class LottoSightApp(tk.Tk):
+    def __init__(self):
+        super().__init__()
+        self.title("LottoSight")
+        self.minsize(900, 600)
+
+        try:
+            self.iconphoto(True, tk.PhotoImage(file="assets/icon.png"))
+        except Exception:
+            pass
+
+        self._fetch_lock = threading.Lock()
+        self._scheduler: BackgroundScheduler | None = None
+
+        self._build_ui()
+        self._start_scheduler()
+        self._launch_fetch()  # auto-fetch on startup
+
+    # ── UI construction ───────────────────────────────────────────────────────
+
+    def _build_ui(self):
+        # Toolbar
+        toolbar = ttk.Frame(self, relief="raised", padding=(8, 4))
+        toolbar.pack(side="top", fill="x")
+
+        ttk.Label(
+            toolbar, text="LottoSight", font=("TkDefaultFont", 13, "bold")
+        ).pack(side="left", padx=(0, 16))
+
+        for name in ("Dashboard", "History", "Analysis", "Predictor", "Settings"):
+            ttk.Button(
+                toolbar, text=name, width=10,
+                command=lambda n=name: self._navigate(n),
+            ).pack(side="left", padx=2)
+
+        self._fetch_btn = ttk.Button(
+            toolbar, text="Fetch Now", command=self._manual_fetch
+        )
+        self._fetch_btn.pack(side="right", padx=4)
+
+        # Content area — replaced by real screens in later phases
+        self._content = ttk.Frame(self, padding=16)
+        self._content.pack(side="top", fill="both", expand=True)
+
+        self._content_label = ttk.Label(
+            self._content, text="Dashboard", font=("TkDefaultFont", 14)
+        )
+        self._content_label.pack(expand=True)
+
+        # Status bar
+        self._statusbar = StatusBar(self)
+        self._statusbar.pack(side="bottom", fill="x")
+
+    # ── Navigation ────────────────────────────────────────────────────────────
+
+    def _navigate(self, screen_name: str):
+        logger.info("Navigate → %s", screen_name)
+        self._content_label.config(text=screen_name)
+
+    # ── Fetch wiring ──────────────────────────────────────────────────────────
+
+    def _start_scheduler(self):
+        self._scheduler = BackgroundScheduler()
+        self._scheduler.add_job(
+            self._launch_fetch, "interval", hours=24, id="auto_fetch_24h"
+        )
+        self._scheduler.start()
+        logger.info("[FETCH] 24hr scheduler started")
+
+    def _launch_fetch(self):
+        """Start a background fetch thread (skips if one is already running)."""
+        thread = threading.Thread(
+            target=self._run_fetch, daemon=True, name="lottosight-fetch"
+        )
+        thread.start()
+
+    def _manual_fetch(self):
+        self._launch_fetch()
+
+    def _run_fetch(self):
+        """Worker: fetch all sources, then update UI on the main thread."""
+        if not self._fetch_lock.acquire(blocking=False):
+            logger.info("[FETCH] Fetch already in progress — skipping")
+            return
+        try:
+            self.after(0, self._on_fetch_start)
+            results = fetch_all()
+            self.after(0, lambda r=results: self._on_fetch_done(r))
+        except Exception as e:
+            logger.error("[ERROR] fetch_all raised unexpectedly: %s", e, exc_info=True)
+            self.after(0, self._statusbar.set_ready)
+        finally:
+            self._fetch_lock.release()
+
+    def _on_fetch_start(self):
+        self._fetch_btn.config(state="disabled", text="Fetching…")
+        self._statusbar.set_fetching()
+
+    def _on_fetch_done(self, results: list):
+        self._fetch_btn.config(state="normal", text="Fetch Now")
+        self._statusbar.update_fetch_results(results)
+
+    # ── Lifecycle ─────────────────────────────────────────────────────────────
+
+    def on_close(self):
+        if self._scheduler:
+            self._scheduler.shutdown(wait=False)
+        self.destroy()
+
+
+def main():
+    init_db()
+    app = LottoSightApp()
+    app.protocol("WM_DELETE_WINDOW", app.on_close)
+    app.mainloop()
+
+
+if __name__ == "__main__":
+    main()