"""
views/admin_log_view.py — Admin panel: Activity Log tab.
"""

import tkinter as tk
from tkinter import ttk
from utils.ui_helpers import COLOURS, FONT_HEADING, show_error


class AdminLogView(ttk.Frame):
    def __init__(self, parent, current_user: dict):
        super().__init__(parent)
        self.current_user = current_user
        self._build_ui()
        self._load()

    def _build_ui(self):
        toolbar = ttk.Frame(self)
        toolbar.pack(fill="x", pady=(0, 10))
        ttk.Label(toolbar, text="Activity Log", style="Heading.TLabel").pack(side="left")
        ttk.Button(toolbar, text="↻ Refresh", style="Ghost.TButton",
                   command=self._load).pack(side="right")

        cols = ("Time", "User", "Action", "Entity", "Entity ID", "Detail")
        self.tree = ttk.Treeview(self, columns=cols, show="headings", selectmode="browse")
        widths = [140, 100, 130, 100, 70, 320]
        for col, w in zip(cols, widths):
            self.tree.heading(col, text=col)
            self.tree.column(col, width=w, anchor="w")
        self.tree.pack(fill="both", expand=True)

        vsb = ttk.Scrollbar(self, orient="vertical", command=self.tree.yview)
        self.tree.configure(yscrollcommand=vsb.set)
        vsb.place(relx=1, rely=0, relheight=1, anchor="ne")

    def _load(self):
        from models import get_activity_log
        self.tree.delete(*self.tree.get_children())
        try:
            for entry in get_activity_log():
                self.tree.insert("", "end", values=(
                    str(entry["logged_at"])[:16],
                    entry.get("username") or "—",
                    entry["action"],
                    entry.get("entity") or "",
                    entry.get("entity_id") or "",
                    entry.get("detail") or "",
                ))
        except Exception as e:
            show_error(f"Failed to load activity log:\n{e}")