nixos/modules/features/vesktop.nix

{ 
  flake.nixosModules.vesktop = { pkgs, ... }: {
    environment.systemPackages = let
      discordTheme = pkgs.writeText "nix-managed-theme.css" ''
        /**
         * @name DiscordPlus Tokyo Night Muted Purple
         * @author User
         * @version 3.4.2
         * @description Tokyo Night theme variants with desaturated, low-profile accents
         */

        @import url("https://plusinsta.github.io/discord-plus/src/DiscordPlus-source.theme.css");

        .theme-dark {
          --dplus-backdrop: none !important;
          
          /* Luminous Tokyo Night violet-slate containers */
          --dplus-background-color-hue: 252;
          --dplus-background-color-saturation-amount: 0.28;
          --dplus-background-color-lightness-amount: 0.19;
          --dplus-background-color-alpha: 0.75 !important;
          
          /* Dialed saturation down to 35% and lightness to 48% */
          /* This pulls the loud pop out of the purple, matching the deep storm aesthetic */
          --dplus-accent-color-hue: 275;
          --dplus-accent-color-saturation: 35%;
          --dplus-accent-color-lightness: 48%;
        
          --dplus-foreground-color-hue-base: 250;
          --dplus-foreground-color-hue-links: 210;
          --dplus-foreground-color-saturation-amount: 0.8;
          --dplus-foreground-color-lightness-amount: 0.9;
        }

        /* Essential transparency bridge rules for the compositor layout */
        #app-mount, 
        body, 
        .bg__13a2d, 
        .app_b1f720 {
          background: transparent !important;
        }

        /* Enforce the exact rich violet layout across core structural UI panels */
        .sidebar_e031b4, 
        .chatContent_a7d72e, 
        .container_e40c16, 
        .members_cbd771,
        .panels_e031b4,
        .wrapper_a7e7a8,
        .container__2637a {
          background-color: hsla(252, 28%, 19%, var(--dplus-background-color-alpha)) !important;
        }

        /* Soften the harsh whites into an eye-friendly Tokyo Night lavender-tinted cream */
        :root, .theme-dark {
          --text-normal: #c0caf5 !important;
          --text-muted: #a9b1d6 !important;
          --header-primary: #c0caf5 !important;
          --header-secondary: #a9b1d6 !important;
          --channels-default: #a9b1d6 !important;
          --interactive-normal: #a9b1d6 !important;
          --interactive-hover: #c0caf5 !important;
          --interactive-active: #ffffff !important;
          
          /* Subtler, low-opacity brand variables to keep buttons and accents soft */
          --brand-experiment: hsla(275, 35%, 48%, 0.35) !important;     /* Main buttons, toggles, badges */
          --brand-experiment-560: hsla(275, 35%, 44%, 0.50) !important; /* Hover states on items */
          --brand-experiment-30a: hsla(275, 35%, 48%, 0.15) !important; /* Extremely muted backfills */
          --brand-experiment-20a: hsla(275, 35%, 48%, 0.10) !important;
          
          /* Muted mention blocks that won't jump out aggressively */
          --mention-background: hsla(275, 35%, 48%, 0.22) !important;
        }
        
        :root {
          --dplus-font-ui: 'JetBrainsMono Nerd Font', 'Noto Sans';
          --dplus-font-body: 'JetBrainsMono Nerd Font', 'Noto Sans';
          --dplus-font-header: 'JetBrainsMono Nerd Font', 'Noto Sans';
        
          --dplus-radius-ui: 11px;
          --dplus-radius-avatar: 25%;
          --dplus-radius-server: 25%;
        
          --dplus-spacing-ui: 10px;
          --dplus-spacing-app: 14px;
        
          --dplus-icon-avatar-chat: 64px;
          --dplus-icon-avatar-list: 32px;
          --dplus-icon-avatar-profile: 80px;
        }
      '';

      vesktop-wrapped = pkgs.runCommand "vesktop" {
        nativeBuildInputs = [ pkgs.makeWrapper ];
      } ''
        mkdir -p $out/bin
        
        cat << 'EOF' > $out/bin/vesktop
        #!/usr/bin/env bash
        
        # Ensure the user's Vesktop theme directory exists
        THEME_DIR="$HOME/.config/vesktop/themes"
        mkdir -p "$THEME_DIR"
        
        # Remove the old symlink if it exists so cp doesn't get confused
        rm -f "$THEME_DIR/nix-managed.theme.css"
        
        # Copy the Nix-managed theme file directly so Vencord's file watcher can read it
        cp "${discordTheme}" "$THEME_DIR/nix-managed.theme.css"
        chmod +w "$THEME_DIR/nix-managed.theme.css"
        
        # Launch Vesktop with the Windows User-Agent bypass
        exec ${pkgs.vesktop}/bin/vesktop --user-agent-os 'windows' "$@"
        EOF
        chmod +x $out/bin/vesktop
        
        # Handle the .desktop shortcuts so app launchers use our new script
        if [ -d "${pkgs.vesktop}/share" ]; then
          mkdir -p $out/share
          cp -r ${pkgs.vesktop}/share/* $out/share/
          chmod -R +w $out/share
          sed -i "s|${pkgs.vesktop}/bin/vesktop|$out/bin/vesktop|g" $out/share/applications/*.desktop 2>/dev/null || true
          sed -i "s|Exec=vesktop|Exec=$out/bin/vesktop|g" $out/share/applications/*.desktop 2>/dev/null || true
        fi
      '';
    in [
      vesktop-wrapped
    ];
  };
}