// ── violet-chaton v2 — Bar widget ───────────────────────────────────────────
// 3 pills glassmorphism — modulaire selon compositor

const audio = await Service.import("audio");
const battery = await Service.import("battery");
const network = await Service.import("network");
const systemtray = await Service.import("systemtray");
const mpris = await Service.import("mpris");

// ── Helpers ─────────────────────────────────────────────────────────────────

const Separator = () => Widget.Label({ className: "separator", label: "│" });

const Clock = () => Widget.Label({
    className: "clock",
    connections: [[1000, (self) => {
        self.label = Utils.exec("date +%H:%M");
    }]],
});

const DateWidget = () => Widget.Label({
    className: "date",
    connections: [[60000, (self) => {
        self.label = Utils.exec("date '+%a %d %b'");
    }]],
});

// ── System ──────────────────────────────────────────────────────────────────

const CPU = () => Widget.Label({
    className: "cpu",
    connections: [[2000, (self) => {
        const usage = Math.round(
            Number(Utils.exec(`bash -c "top -bn1 | awk '/^%Cpu/ {print 100-$8}'"`)
        ));
        self.label = `󰻠 ${usage}%`;
        self.toggleClassName("warning", usage > 70);
        self.toggleClassName("critical", usage > 90);
    }]],
});

const RAM = () => Widget.Label({
    className: "ram",
    connections: [[2000, (self) => {
        const used = Utils.exec(`bash -c "free -m | awk '/^Mem:/ {printf \"%.1f\", $3/1024}'"`)
        const total = Utils.exec(`bash -c "free -m | awk '/^Mem:/ {printf \"%.1f\", $2/1024}'"`)
        const pct = Math.round((parseFloat(used) / parseFloat(total)) * 100);
        self.label = `󰑭 ${used}G`;
        self.toggleClassName("warning", pct > 70);
        self.toggleClassName("critical", pct > 90);
    }]],
});

// ── Network ─────────────────────────────────────────────────────────────────

const Network = () => Widget.Label({
    className: "network",
    connections: [[network, (self) => {
        if (network.primary === "wifi") {
            const wifi = network.wifi;
            self.label = `󰤨 ${wifi?.ssid || ""}`;
            self.toggleClassName("wifi", true);
            self.toggleClassName("disconnected", false);
        } else if (network.primary === "wired") {
            self.label = "󰈀 Eth";
            self.toggleClassName("wifi", false);
            self.toggleClassName("disconnected", false);
        } else {
            self.label = "󰤮 ";
            self.toggleClassName("disconnected", true);
        }
    }]],
});

// ── Volume ──────────────────────────────────────────────────────────────────

const Volume = () => Widget.Button({
    className: "volume",
    onClicked: () => { audio.speaker.isMuted = !audio.speaker.isMuted; },
    child: Widget.Label({
        connections: [[audio, (self) => {
            const vol = Math.round((audio.speaker?.volume || 0) * 100);
            const muted = audio.speaker?.isMuted;
            const icon = muted ? "󰝟" : vol > 66 ? "󰕾" : vol > 33 ? "󰖀" : "󰕿";
            self.label = `${icon} ${vol}%`;
            self.parent?.toggleClassName("muted", muted);
        }, "speaker-changed"]],
    }),
});

// ── Battery ─────────────────────────────────────────────────────────────────

const Battery = () => Widget.Label({
    className: "battery",
    visible: battery.bind("available"),
    connections: [[battery, (self) => {
        const pct = battery.percent;
        const charging = battery.charging;
        const icon = charging ? "󰂄" : pct > 80 ? "󰁹" : pct > 60 ? "󰂀" :
                     pct > 40 ? "󰁾" : pct > 20 ? "󰁻" : "󰂎";
        self.label = `${icon} ${pct}%`;
        self.toggleClassName("charging", charging);
        self.toggleClassName("low", pct <= 20 && !charging);
        self.toggleClassName("warning", pct <= 30 && !charging);
    }]],
});

// ── Media ───────────────────────────────────────────────────────────────────

const Media = () => Widget.Label({
    className: "media",
    connections: [[mpris, (self) => {
        const player = mpris.players[0];
        if (!player) {
            self.visible = false;
            return;
        }
        self.visible = true;
        const artist = player.trackArtists?.join(", ") || "";
        const title = player.trackTitle || "";
        const icon = player.playBackStatus === "Playing" ? " " : " ";
        self.label = `${icon}${artist ? artist + " — " : ""}${title}`.slice(0, 50);
        self.toggleClassName("paused", player.playBackStatus !== "Playing");
    }]],
});

// ── Systray ─────────────────────────────────────────────────────────────────

const SysTray = () => Widget.Box({
    className: "systray",
    children: systemtray.bind("items").transform((items) =>
        items.map((item) =>
            Widget.Button({
                child: Widget.Icon({ icon: item.bind("icon"), size: 16 }),
                tooltipMarkup: item.bind("tooltip-markup"),
                onPrimaryClick: (_, event) => item.activate(event),
                onSecondaryClick: (_, event) => item.openMenu(event),
            })
        )
    ),
});

// ── Launcher button ─────────────────────────────────────────────────────────

const LauncherBtn = () => Widget.Button({
    className: "launcher-btn",
    label: "󱄅",
    onClicked: () => App.toggleWindow("launcher"),
});

// ── Power button ────────────────────────────────────────────────────────────

const PowerBtn = () => Widget.Button({
    className: "power-btn",
    label: "⏻",
    onClicked: () => Utils.exec("bash -c 'systemctl poweroff'"),
});

// ── Workspaces (Hyprland only) ──────────────────────────────────────────────

const Workspaces = (compositor) => {
    if (compositor !== "hyprland") return Widget.Box({});

    const hyprland = await Service.import("hyprland");
    return Widget.Box({
        className: "workspaces",
        children: hyprland.bind("workspaces").transform((ws) =>
            ws.sort((a, b) => a.id - b.id)
              .filter((w) => w.id > 0)
              .map((w) =>
                Widget.Button({
                    onClicked: () => hyprland.messageAsync(`dispatch workspace ${w.id}`),
                    child: Widget.Label({ label: `${w.id}` }),
                    className: hyprland.active.workspace.bind("id").transform(
                        (id) => id === w.id ? "active" : w.windows > 0 ? "occupied" : ""
                    ),
                })
            )
        ),
    });
};

// ── Bar assembly ────────────────────────────────────────────────────────────

export const Bar = (monitor, compositor) => Widget.Window({
    name: `bar-${monitor}`,
    monitor,
    anchor: ["top", "left", "right"],
    exclusivity: "exclusive",
    className: "bar",
    child: Widget.CenterBox({
        startWidget: Widget.Box({
            className: "modules-left",
            children: [
                LauncherBtn(),
                Separator(),
                Workspaces(compositor),
                Separator(),
                CPU(),
                RAM(),
            ],
        }),
        centerWidget: Widget.Box({
            className: "modules-center",
            children: [
                Media(),
            ],
        }),
        endWidget: Widget.Box({
            className: "modules-right",
            hpack: "end",
            children: [
                Network(),
                Separator(),
                Volume(),
                Separator(),
                Battery(),
                Separator(),
                DateWidget(),
                Clock(),
                Separator(),
                SysTray(),
                Separator(),
                PowerBtn(),
            ],
        }),
    }),
});