{ config, pkgs, ... }:

{
  # === Linux desktop packages ===
  home.packages = with pkgs; [
    # pi + qmd (from overlay)
    qmd
    # Terminal
    ghostty
    zellij
    # Status bar
    waybar
    # App launcher
    rofi
    # Notifications
    dunst
    libnotify
    # Wallpaper
    awww
    # Lock + idle
    hyprlock
    hypridle
    # Screenshots
    grim
    slurp
    swappy
    # Clipboard
    wl-clipboard
    cliphist
    # Brightness / audio
    brightnessctl
    pavucontrol
    # File manager
    thunar
    # Polkit agent
    polkit_gnome
    # Theming
    bibata-cursors
    papirus-icon-theme
    adw-gtk3
    # Network / containers / system
    networkmanagerapplet
    firefox
    tailscale
    docker
    dive
    beeper
    nmap
    tcpdump
    speedtest-cli
  ];

  # === GTK / QT theming ===
  gtk = {
    enable = true;
    theme.name = "adw-gtk3-dark";
    iconTheme.name = "Papirus-Dark";
    cursorTheme = {
      name = "Bibata-Modern-Classic";
      size = 24;
    };
  };
  qt = {
    enable = true;
    platformTheme.name = "gtk";
    style.name = "adwaita-dark";
  };

  # === Hyprland WM config ===
  home.file.".config/hypr/hyprland.conf".text = ''
    monitor=,preferred,auto,1

    # Environment
    env = XCURSOR_SIZE,24
    env = XCURSOR_THEME,Bibata-Modern-Classic
    env = GTK_THEME,adw-gtk3-dark
    env = QT_QPA_PLATFORMTHEME,gtk2

    # Autostart
    exec-once = waybar
    exec-once = dunst
    exec-once = wl-paste --type text --watch cliphist store
    exec-once = wl-paste --type image --watch cliphist store
    exec-once = hypridle
    

    # Input
    input {
      kb_layout = us
      kb_options = caps:escape
      follow_mouse = 1
      touchpad { natural_scroll = true; tap-to-click = true; }
      sensitivity = 0
    }

    # Visual
    general {
      gaps_in = 6; gaps_out = 8; border_size = 2
      col.active_border = rgba(8ebdffee) rgba(8ebdffff) rgba(8ebdffee) rgba(8ebdffff) 45deg
      col.inactive_border = rgba(333333aa)
      layout = dwindle; allow_tearing = false
    }
    decoration {
      rounding = 8
      blur { enabled = true; size = 5; passes = 2; new_optimizations = true; }
      drop_shadow = true; shadow_range = 12; shadow_render_power = 2
      col.shadow = rgba(1a1a1aee)
    }
    animations {
      enabled = true
      bezier = easeOutQuint,0.23,1,0.32,1
      bezier = easeInOutCubic,0.65,0.05,0.36,1
      animation = windows,1,7,easeOutQuint,slide
      animation = windowsOut,1,7,easeInOutCubic,slide
      animation = fade,1,7,easeOutQuint
      animation = workspaces,1,4,easeOutQuint,fade
    }

    # Workspaces
    workspace = 1,  name:shell,   persistent:true
    workspace = 2,  name:code,    persistent:true
    workspace = 3,  name:web,     persistent:true
    workspace = 4,  name:chat,    persistent:true
    workspace = 5,  name:vault,   persistent:true
    workspace = 6,  name:media
    workspace = 7,  name:7
    workspace = 8,  name:8
    workspace = 9,  name:9
    workspace = 10, name:sys

    # Keybinds
    $mainMod = SUPER

    # Launch
    bind = $mainMod, Return,        exec, ghostty -e zellij
    bind = $mainMod SHIFT, Return,  exec, ghostty
    bind = $mainMod, B,             exec, firefox
    bind = $mainMod, D,             exec, rofi -show drun -show-icons
    bind = $mainMod, Space,         exec, rofi -show drun -show-icons
    bind = $mainMod, V,             exec, cliphist list | rofi -dmenu | cliphist decode | wl-copy
    bind = $mainMod, N,             exec, thunar
    bind = $mainMod, L,             exec, hyprlock

    # Window control
    bind = $mainMod, Q, killactive,
    bind = $mainMod, F, fullscreen
    bind = $mainMod, G, togglefloating,
    bind = $mainMod, P, pseudo,
    bind = $mainMod, T, pin,

    # Focus (Vim-style)
    bind = $mainMod, H, movefocus, l
    bind = $mainMod, J, movefocus, d
    bind = $mainMod, K, movefocus, u
    bind = $mainMod, L, movefocus, r

    # Move windows
    bind = $mainMod SHIFT, H, movewindow, l
    bind = $mainMod SHIFT, J, movewindow, d
    bind = $mainMod SHIFT, K, movewindow, u
    bind = $mainMod SHIFT, L, movewindow, r

    # Resize
    bind = $mainMod CTRL, H, resizeactive, -40 0
    bind = $mainMod CTRL, J, resizeactive, 0 40
    bind = $mainMod CTRL, K, resizeactive, 0 -40
    bind = $mainMod CTRL, L, resizeactive, 40 0

    # Workspace switching
    bind = $mainMod, 1, workspace, name:shell
    bind = $mainMod, 2, workspace, name:code
    bind = $mainMod, 3, workspace, name:web
    bind = $mainMod, 4, workspace, name:chat
    bind = $mainMod, 5, workspace, name:vault
    bind = $mainMod, 6, workspace, name:media
    bind = $mainMod, 7, workspace, name:7
    bind = $mainMod, 8, workspace, name:8
    bind = $mainMod, 9, workspace, name:9
    bind = $mainMod, 0, workspace, name:sys

    # Move to workspace
    bind = $mainMod SHIFT, 1, movetoworkspace, name:shell
    bind = $mainMod SHIFT, 2, movetoworkspace, name:code
    bind = $mainMod SHIFT, 3, movetoworkspace, name:web
    bind = $mainMod SHIFT, 4, movetoworkspace, name:chat
    bind = $mainMod SHIFT, 5, movetoworkspace, name:vault
    bind = $mainMod SHIFT, 6, movetoworkspace, name:media
    bind = $mainMod SHIFT, 7, movetoworkspace, name:7
    bind = $mainMod SHIFT, 8, movetoworkspace, name:8
    bind = $mainMod SHIFT, 9, movetoworkspace, name:9
    bind = $mainMod SHIFT, 0, movetoworkspace, name:sys

    # Scroll workspace
    bind = $mainMod, mouse_down, workspace, e+1
    bind = $mainMod, mouse_up,   workspace, e-1

    # Screenshot
    bind = $mainMod,       S, exec, grim -g "$(slurp)" - | swappy -f -
    bind = $mainMod SHIFT, S, exec, grim - | swappy -f -

    # Media keys
    bindel = , XF86AudioRaiseVolume, exec, wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%+
    bindel = , XF86AudioLowerVolume, exec, wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%-
    bindl  = , XF86AudioMute,        exec, wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle
    bindel = , XF86MonBrightnessUp,   exec, brightnessctl set 5%+
    bindel = , XF86MonBrightnessDown, exec, brightnessctl set 5%-

    # Session
    bind = $mainMod SHIFT, Q, exec, hyprctl dispatch exit
    bind = $mainMod SHIFT, R, exec, hyprctl reload

    # Window rules
    windowrulev2 = float,       class:(pavucontrol)
    windowrulev2 = float,       class:(firefox), title:(Picture-in-Picture)
    windowrulev2 = float,       title:(Authentication Required)
    windowrulev2 = size 75% 75%,class:(pavucontrol)

    # Auto-send to workspaces
    windowrulev2 = workspace name:code,  class:(code-oss|Code|jetbrains-.*|nvim)
    windowrulev2 = workspace name:web,   class:(firefox|chromium-browser|google-chrome)
    windowrulev2 = workspace name:chat,  class:(discord|Slack|TelegramDesktop)
    windowrulev2 = workspace name:shell, class:(ghostty|Zellij|Alacritty)
  '';

  # === Ghostty config ===
  home.file.".config/ghostty/config".text = ''
    font-family = JetBrainsMono Nerd Font
    font-size = 13
    theme = catppuccin-mocha
    background-opacity = 0.9
    window-padding-x = 8
    window-padding-y = 4
    cursor-style = bar
    confirm-close-surface = false
    shell-integration = zsh
    gtk-single-instance = true
  '';

  # === Zellij config ===
  home.file.".config/zellij/config.kdl".text = ''
    theme "catppuccin-mocha"
    default_shell "zsh"
    pane_frames false
    scrollback_editor "nvim"

    keybinds clear-defaults=true {
      normal { bind "Ctrl g" { SwitchToMode "locked"; } }
      locked {
        bind "Ctrl g" { SwitchToMode "normal"; }
        bind "Ctrl q" { CloseTab; }
        bind "Ctrl p" { NewPane "down"; }
        bind "Ctrl n" { NewPane "right"; }
        bind "Ctrl t" { NewTab; }
        bind "Ctrl x" { CloseFocus; }
        bind "Ctrl f" { ToggleFloatingPanes; }
        bind "Ctrl z" { ToggleFocusFullscreen; }
        bind "Ctrl d" { Detach; }
        bind "Ctrl h" { MoveFocusOrTab "left"; }
        bind "Ctrl j" { MoveFocusOrTab "down"; }
        bind "Ctrl k" { MoveFocusOrTab "up"; }
        bind "Ctrl l" { MoveFocusOrTab "right"; }
        bind "Ctrl r" { SwitchToMode "renametab"; }
      }
      renametab {
        bind "Ctrl c" { SwitchToMode "locked"; }
        bind "Esc" { SwitchToMode "locked"; }
      }
    }
  '';

  # === Hyprlock ===
  home.file.".config/hypr/hyprlock.conf".text = ''
    general { disable_loading_bar = false; hide_cursor = true; grace = 0; no_fade_in = false; }
    background { path = screenshot; blur_passes = 3; blur_size = 10; color = rgba(0,0,0,0.6); }
    input-field {
      size = 250, 50; position = 0, -200; monitor =
      dots_center = true; fade_on_empty = false
      placeholder_text = <i>unlock</i>
      outer_color = rgba(8ebdff,0.8); inner_color = rgba(30,30,46,0.8)
      font_color = rgba(255,255,255,0.9)
    }
    label {
      text = cmd[update:60] date +"%A, %B %d  %H:%M"
      position = 0, 200; monitor =
      font_size = 32; font_family = JetBrains Mono Nerd Font
      color = rgba(255,255,255,0.9)
    }
  '';

  # === Hypridle ===
  home.file.".config/hypr/hypridle.conf".text = ''
    general { lock_cmd = hyprlock; before_sleep_cmd = hyprlock; }
    listener { timeout = 300; on-timeout = hyprlock; }
    listener { timeout = 600; on-timeout = hyprctl dispatch dpms off; on-resume = hyprctl dispatch dpms on; }
  '';

  # === Waybar config ===
  home.file.".config/waybar/config.jsonc".text = builtins.toJSON {
    layer = "top"; position = "top"; height = 32; spacing = 4; margin = "6 8 0 8";
    modules-left  = [ "hyprland/workspaces" ];
    modules-center = [ "clock" ];
    modules-right = [ "tray" "pulseaudio" "backlight" "battery" "network" "cpu" "memory" ];

    "hyprland/workspaces" = {
      format = "{icon}";
      format-icons = {
        shell = "󰆍"; code = "󰨞"; web = "󰖟"; chat = "󰭻"; vault = "󰠮";
        media = "󰎆"; "7" = "󰎇"; "8" = "󰎈"; "9" = "󰎉"; sys = "󰒓"; default = "󰊌";
      };
      persistent_workspaces = { "1" = ["shell"]; "2" = ["code"]; "3" = ["web"]; "4" = ["chat"]; "5" = ["vault"]; };
    };
    clock = { format = "{:%a %b %d  %H:%M}"; tooltip-format = "<big>{:%Y %B}</big>\n<tt><small>{calendar}</small></tt>"; };
    cpu = { format = "   {usage}%"; };
    memory = { format = "󰍛  {}%"; };
    backlight = { format = "{icon}  {percent}%"; format-icons = [ "󰃝" "󰃞" "󰃟" "󰃠" ]; };
    battery = {
      format = "{icon}  {capacity}%";
      format-icons = [ "󰁺" "󰁻" "󰁼" "󰁽" "󰁾" "󰁿" "󰂀" "󰂁" "󰂂" "󰁹" ];
      format-charging = "󰂄  {capacity}%";
    };
    network = {
      format-wifi = "󰖩 {signalStrength}%"; format-ethernet = "󰈀"; format-disconnected = "⚠";
      tooltip-format = "{ifname} via {gwaddr}";
    };
    pulseaudio = {
      format = "{icon} {volume}%"; format-bluetooth = "{icon}󰂯 {volume}%"; format-muted = "󰝟";
      format-icons.default = [ "󰕿" "󰖀" "󰕾" ]; on-click = "pavucontrol";
    };
    tray.spacing = 10;
  };

  # === Waybar style ===
  home.file.".config/waybar/style.css".text = ''
    * { font-family: "JetBrainsMono Nerd Font", "Font Awesome 6 Free"; font-size: 13px; }
    window#waybar { background: rgba(30,30,46,0.85); border-radius: 8px; color: #cdd6f4; }
    #workspaces button { padding: 0 6px; color: #6c7086; background: transparent; border-radius: 4px; }
    #workspaces button.active { color: #cdd6f4; background: #45475a; }
    #workspaces button:hover  { color: #cdd6f4; background: #313244; }
    #clock, #cpu, #memory, #backlight, #battery, #network, #pulseaudio, #tray { padding: 0 10px; color: #cdd6f4; }
    #cpu.warning, #memory.warning, #battery.warning { color: #f9e2af; }
    #cpu.critical, #memory.critical, #battery.critical { color: #f38ba8; }
    tooltip { background: rgba(30,30,46,0.95); border: 1px solid #45475a; border-radius: 6px; }
  '';

  # === Rofi launcher ===
  home.file.".config/rofi/config.rasi".text = ''
    configuration {
      modi: "drun,run,window"; show-icons: true; icon-theme: "Papirus-Dark";
      drun-display-format: "{name}"; font: "JetBrainsMono Nerd Font 13"; matching: "normal";
    }
    window { width: 600px; border-radius: 10px; background-color: rgba(30,30,46,0.95); border: 2px solid #89b4fa; }
    mainbox { padding: 8px; }
    inputbar { padding: 4px 8px; background-color: rgba(49,50,68,0.8); border-radius: 8px; margin-bottom: 4px; }
    entry { background: transparent; text-color: #cdd6f4; caret-color: #cdd6f4; }
    listview { background: transparent; lines: 8; }
    element { padding: 4px 8px; border-radius: 6px; text-color: #cdd6f4; }
    element selected { background-color: rgba(137,180,250,0.3); text-color: #ffffff; }
    element-text { vertical-align: 0.5; }
  '';

  # === Dunst notifications ===
  home.file.".config/dunst/dunstrc".text = ''
    [global]
      monitor = 0; follow = mouse; width = 350; height = 150; offset = 10x50; origin = top-right
      notification_limit = 5; indicate_hidden = yes; shrink = no; transparency = 0
      separator_height = 2; padding = 12; horizontal_padding = 12; frame_width = 2
      frame_color = "#89b4fa"; separator_color = frame; sort = yes
      font = JetBrainsMono Nerd Font 11; corner_radius = 8
      background = "#1e1e2e"; foreground = "#cdd6f4"; timeout = 5
      idle_threshold = 120; icon_position = left; max_icon_size = 48; markup = full
      format = "<b>%s</b>\n%b"
    [urgency_low]      background = "#1e1e2e"; foreground = "#cdd6f4"; timeout = 3
    [urgency_normal]   background = "#1e1e2e"; foreground = "#cdd6f4"; timeout = 5
    [urgency_critical] background = "#f38ba8"; foreground = "#1e1e2e"; timeout = 0
  '';
}