#!/usr/bin/env python3
"""Visuelle Demo der nativen ui.* -Widgets (Apple-Optik, libadwaita-frei).

    PYTHONPATH=src python ui_demo.py          # hell
    PYTHONPATH=src python ui_demo.py --dark    # dunkel

Baut bewusst dieselben Zeilen-Typen nach, die maintain.py / defaultapps.py über
Adw nutzen (Titel/Untertitel, Prefix-Icon, farbiger Punkt, Switch, Dropdown,
flat-Buttons) — damit der Schnitt 1:1 vergleichbar ist.
"""
from __future__ import annotations

import subprocess
import sys

import gi

gi.require_version("Gtk", "4.0")
from gi.repository import GLib, Gtk  # noqa: E402

from taninux.gui.ui import native as ui  # noqa: E402

DARK = "--dark" in sys.argv
SHOT = next((a for a in sys.argv if a.startswith("--shot=")), None)
SHOT = SHOT.split("=", 1)[1] if SHOT else None
TOGGLE = next((a for a in sys.argv if a.startswith("--toggle=")), None)
TOGGLE = TOGGLE.split("=", 1)[1] if TOGGLE else None


def _dot(css_class: str) -> Gtk.Label:
    dot = Gtk.Label(label="●")
    dot.add_css_class(css_class)
    dot.set_valign(Gtk.Align.CENTER)
    return dot


def _flat(label: str, destructive: bool = False) -> Gtk.Button:
    btn = Gtk.Button(label=label)
    btn.add_css_class("flat")
    if destructive:
        btn.add_css_class("destructive-action")
    btn.set_valign(Gtk.Align.CENTER)
    return btn


def build_page() -> ui.Page:
    page = ui.Page()

    # --- Gruppe 1: Cleanup-Summary (wie maintain.py) ---------------------
    g1 = ui.Group(title="Cleanup")
    rescan = Gtk.Button(icon_name="view-refresh-symbolic")
    rescan.add_css_class("flat")
    rescan.set_valign(Gtk.Align.CENTER)
    g1.set_header_suffix(rescan)

    r = ui.Row(title="Reclaimable", subtitle="2.4 GiB can be reclaimed safely")
    r.add_prefix(_dot("success"))
    g1.add(r)

    legend = ui.Row(title="Legend")
    box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=14)
    for cls, txt in (("success", "safe"), ("warning", "likely orphan"),
                     ("dim-label", "unknown")):
        item = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=5)
        item.append(_dot(cls))
        lbl = Gtk.Label(label=txt)
        lbl.add_css_class("dim-label")
        item.append(lbl)
        box.append(item)
    legend.add_suffix(box)
    g1.add(legend)
    page.add(g1)

    # --- Gruppe 2: Findings mit flat-Buttons ----------------------------
    g2 = ui.Group(title="Orphan packages",
                  description="6 findings · 410 MiB reclaimable")
    for name, sub, cls in (
        ("python-debug-symbols", "safe · 182 MiB", "success"),
        ("lib32-mesa-demos", "likely orphan · 96 MiB", "warning"),
        ("ttf-ancient-fonts", "unknown · 132 MiB", "dim-label"),
    ):
        row = ui.Row(title=name, subtitle=sub)
        row.add_prefix(_dot(cls))
        row.add_suffix(_flat("Keep"))
        row.add_suffix(_flat("Trash", destructive=True))
        g2.add(row)
    page.add(g2)

    # --- Gruppe 3: echte Control-Rows (Switch/Combo/Entry/Spin) ---------
    g3 = ui.Group(title="Default applications")

    sw = ui.SwitchRow(title="Empty Trash automatically",
                      subtitle="Remove items older than 30 days")
    sw.set_active(True)
    g3.add(sw)

    combo = ui.ComboRow(title="Web Browser")
    combo.add_prefix(Gtk.Image.new_from_icon_name("web-browser-symbolic"))
    combo.set_model(["Firefox", "Chromium", "Zen"])
    g3.add(combo)

    entry = ui.EntryRow(title="Hostname")
    entry.set_text("taninux")
    g3.add(entry)

    spin = ui.SpinRow(title="Keep snapshots")
    spin.set_range(1, 30)
    spin.set_value(7)
    g3.add(spin)

    page.add(g3)

    return page


def _override_toggle(hex_color: str) -> None:
    """Optionaler Provider: Toggle-Farbe überschreiben (z.B. Fuji-Akzent)."""
    from gi.repository import Gdk

    provider = Gtk.CssProvider()
    provider.load_from_data(
        f".tn-row switch:checked {{ background-color: {hex_color}; }}".encode()
    )
    Gtk.StyleContext.add_provider_for_display(
        Gdk.Display.get_default(), provider,
        Gtk.STYLE_PROVIDER_PRIORITY_USER + 1,
    )


def on_activate(app: Gtk.Application) -> None:
    ui.ensure_css()
    if TOGGLE:
        _override_toggle(TOGGLE)
    win = Gtk.ApplicationWindow(application=app, title="TANINUX · ui demo")
    win.set_default_size(720, 720)
    ui.set_dark(win, DARK)

    header = Gtk.HeaderBar()
    win.set_titlebar(header)
    win.set_child(build_page())
    win.present()

    if SHOT:
        win.fullscreen()

        def _capture() -> bool:
            subprocess.run(["grim", SHOT], check=False)
            app.quit()
            return False

        GLib.timeout_add(800, _capture)


def main() -> int:
    app = Gtk.Application(application_id="ch.gabrielevarano.Taninux.UiDemo")
    app.connect("activate", on_activate)
    return app.run([])


if __name__ == "__main__":
    raise SystemExit(main())