"""
ui/statusbar.py
---------------
Bottom status bar widget for LottoSight.
Updated after every fetch via update_fetch_results().
"""

import tkinter as tk
from tkinter import ttk
from datetime import datetime

_SOURCE_NAMES = {
    "powerball_ny":          "Powerball",
    "megamillions_ny":       "Mega Millions (NY)",
    "megamillions_tx":       "Mega Millions (TX)",
    "cash5_va":              "Cash 5 (VA)",
    "millionaireforlife_va": "Millionaire for Life (VA)",
    "bankamillion_va":       "Bank a Million (VA)",
}


class StatusBar(ttk.Frame):
    """
    Thin horizontal bar docked at the bottom of the main window.
    All public methods are safe to call from the main thread only.
    """

    def __init__(self, parent, **kwargs):
        super().__init__(parent, relief="sunken", **kwargs)
        self._label = ttk.Label(self, text="Ready", anchor="w", padding=(6, 2))
        self._label.pack(fill="x", expand=True)

    def set_text(self, text: str):
        self._label.config(text=text)

    def set_fetching(self):
        self._label.config(text="Fetching data…")

    def set_ready(self):
        self._label.config(text="Ready")

    def update_fetch_results(self, results: list):
        """
        Build and display status text from a fetch_all() result list.
        Format:
          Last fetch: Powerball — 3 added, 2 skipped | Mega Millions (NY) — 5 added, 0 skipped | 2026-05-23 08:42 AM
        """
        now = datetime.now().strftime("%Y-%m-%d %I:%M %p")
        parts = []
        for r in results:
            name = _SOURCE_NAMES.get(r["source"], r["source"])
            if r["status"] == "error":
                parts.append(f"{name} — ERROR: {r['message']}")
            else:
                parts.append(f"{name} — {r['added']} added, {r['skipped']} skipped")
        self._last_fetch_text = "Last fetch: " + " | ".join(parts) + f" | {now}"
        self.set_text(self._last_fetch_text)

    def append_match_alert(self, msg: str):
        """Append a prediction-match alert to the current status text."""
        base = getattr(self, "_last_fetch_text", self._label.cget("text"))
        self.set_text(f"{base}  •  {msg}")