// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

pragma Singleton

import Quickshell
import Quickshell.Services.Mpris
import QtQuick

// Which MPRIS player the OSD should describe.
Singleton {
    id: root

    // Two things proxy a real player and republish it under their own name, so
    // one track can appear on three buses at once: a playing Navidrome tab
    // showed up as firefox.instance_*, as plasma-browser-integration and as
    // playerctld. Both proxies are skipped and the OSD talks to the browser's
    // own entry, which is safe because none of the three exists until playback
    // starts, and the browser's entry appeared whenever the plasma one did. An
    // open but silent tab publishes nothing, so there is no row to lose. The
    // plasma name is browser-only: Feishin on the same server publishes just
    // its own entry and playerctld, so a native player loses nothing here.
    readonly property var proxyNames: [".playerctld", ".plasma-browser-integration"]

    readonly property var real:
        Mpris.players.values.filter(p => !root.proxyNames.some(n => p.dbusName.endsWith(n)))

    // Prefer something actually playing; otherwise keep the last one seen, so
    // pausing does not make the track row vanish mid-look.
    readonly property var current:
        real.find(p => p.playbackState === MprisPlaybackState.Playing)
        ?? real.find(p => p.playbackState === MprisPlaybackState.Paused)
        ?? real[0]
        ?? null

    readonly property bool active: current !== null
    readonly property bool playing: current?.playbackState === MprisPlaybackState.Playing

    readonly property string title: current?.trackTitle ?? ""
    readonly property string artist: current?.trackArtist ?? ""

    // Players that extract embedded art write it to a temp file they reuse
    // per track, so the path can repeat while the image behind it changes.
    // The cache buster makes Image reload instead of showing the last cover.
    readonly property string artUrl:
        (current?.trackArtUrl ?? "") === "" ? ""
            : current.trackArtUrl + "#" + encodeURIComponent(title)
}