environment.systemPackages = with pkgs; [
  grim # Screenshot tool for full-screen or region-based screenshot
  slurp # Tool to select a specific region on the screen.
  wl-clipboard # For clipboard integration,...
  # it ensures you can pipe image or text to your Wayland clipboard
];

{ modifier, terminal, browser, scriptsDir, powerMenuCommand, ... }:

let
  screenshotDir = "$HOME/Downloads";
in

''

bind = ${modifier},P,exec,sh -c 'grim "${screenshotDir}/$(date +%Y-%m-%d_%H-%M-%S).png"'
# Modifier (Super/Window refers to the main key you hold) + P (this is the key to be pressed alongside the modifier)
# exec tells Hyprland to run a command
# sh -c '---'  runs the specified shell command
# grim ... calls Grim to take a full screenshot and save it to ${screenshotDir}/$(date +%Y-%m-%d_%H-%M-%S).png

bind = ${modifier}+ALT,P,exec,sh -c 'grim -g "$(slurp)" "${screenshotDir}/$(date +%Y-%m-%d_%H-%M-%S).png"'
# Similar to the above, but it includes the Alt key, too
# Modifier + Alt + P: To capture a user-selected region of the screen...
# and saves the file in the same directory

# Workspace management keybindings
bind = ${modifier},1,workspace,1
bind = ${modifier},2,workspace,2
bind = ${modifier},3,workspace,3
bind = ${modifier},4,workspace,4
bind = ${modifier},5,workspace,5
bind = ${modifier},6,workspace,6
bind = ${modifier},7,workspace,7
bind = ${modifier},8,workspace,8

# Move window keybindings
bind = ${modifier}+SHIFT,Left,movewindow,l
bind = ${modifier}+SHIFT,Right,movewindow,r
bind = ${modifier}+SHIFT,Up,movewindow,u
bind = ${modifier}+SHIFT,Down,movewindow,d

# Resize window keybindings
bind = ${modifier}+CTRL,Left,resizeactive,-20 0
bind = ${modifier}+CTRL,Right,resizeactive,20 0
bind = ${modifier}+CTRL,Up,resizeactive,0 -20
bind = ${modifier}+CTRL,Down,resizeactive,0 20

# Miscellaneous window management keybindings
bind = ${modifier},F,fullscreen # Pressing Modifier + F toggles fullscreen.
bind = ${modifier}+SHIFT,1,movetoworkspace,1 # Move to workspace 1
bind = ${modifier}+SHIFT,2,movetoworkspace,2 # Move to workspace 2
bind = ${modifier}+SHIFT,3,movetoworkspace,3 # Move to workspace 3
bind = ${modifier}+SHIFT,4,movetoworkspace,4 # Move to workspace 4
bind = ${modifier}+SHIFT,5,movetoworkspace,5 # Move to workspace 5
bind = ${modifier}+SHIFT,6,movetoworkspace,6 # Move to workspace 6
bind = ${modifier}+SHIFT,7,movetoworkspace,7 # Move to workspace 7
bind = ${modifier}+SHIFT,8,movetoworkspace,8 # Move to workspace 8
bind = ${modifier}+SHIFT,9,movetoworkspace,9 # Move to workspace 9
'';

#!/bin/bash

# Exit immediately if a command exits with a non-zero status
set -e

swww-daemon & # Start the swww daemon in the background, which handles wallpapers and transitions on Wayland.
sleep 1 # Waits for 1 second to ensure the daemon is ready
WALLPAPER=$(find ~/wallpapers -type f | shuf -n 1)
# Selects a random file from the wallpaper directory using find and shuf.
swww img --transition-type grow "$WALLPAPER"
# Applies the selected wallpaper with the grow transition effect.

# Function to launch an application in a specific workspace
# Takes two parameters: workspace (e.g. "1", "2") and app (the command to launch).
launch_app_in_workspace() {
  local workspace="$1"
  local app="$2"

  # Switch to the desired workspace
  hyprctl dispatch workspace "$workspace"
  sleep 0.5  # Wait for the workspace to switch

  # Launch the application in the workspace given as an argument
  hyprctl dispatch exec "$app" &
  sleep 0.5  # Wait for the application to launch
}

# Launch applications in respective workspaces
launch_app_in_workspace "1" "alacritty"
launch_app_in_workspace "2" "firefox"
launch_app_in_workspace "3" "md.obsidian.Obsidian"
launch_app_in_workspace "4" "code ~/justtothepoint/"
launch_app_in_workspace "4" "com.google.Chrome"
launch_app_in_workspace "5" "pcmanfm"
launch_app_in_workspace "special:geany" "geany"

{ config, pkgs, ... }: {
  # System-wide installation
  environment.systemPackages = with pkgs; [
    ...
    waybar # The bar itself
    pavucontrol # A GUI for controlling audio levels in PulseAudio.
    pulseaudio # The PulseAudio sound server (needed for volume modules in Waybar).
    playerctl # Controls media players from the command line (many Waybar modules rely on playerctl to display currently playing songs).
    networkmanagerapplet # A system tray utility to manage networks.
  ];

  fonts = {
    packages = with pkgs; [
      fira-code
      fira-code-symbols
      font-awesome
      dejavu_fonts
      # Nerd Fonts provide many additional icons and glyphs, useful for displaying icons in Waybar.
      (nerdfonts.override { fonts = [ "NerdFontsSymbolsOnly" ]; })
      (nerdfonts.override { fonts = [ "FiraCode" "SourceCodePro" ]; })
      ];
  };
  # For Waybar to interact with system inputs and have full functionality, you need to add your user to the input group,...
  # wheel (run admin commands), and networkmanager groups (manage networks).
  users.users.nmaximo7 = {
    isNormalUser = true;
    description = "nmaximo7";
    extraGroups = [ "networkmanager" "wheel" "docker" "input"];
    shell = "${pkgs.zsh}/bin/zsh";
    packages = with pkgs; [
    #  ...
    ];
  };

    # Install Waybar
    home.packages = with pkgs; [
    	waybar
    # ... other packages ...
    ];

 { config, pkgs, ... }:

{
  home.file = {
    # Specify the source for Waybar configuration file
    ".config/waybar/config".source = "/home/${username}/dotfiles/waybar/config";

    # Specify the source for Waybar style CSS file
    ".config/waybar/style.css".source = "/home/${username}/dotfiles/waybar/style.css";

    # We’re telling Home Manager to link our custom Waybar config and CSS from /home/${username}/dotfiles/waybar/.
  };

  wayland.windowManager.hyprland = {
    enable = true;  # Enable Hyprland as the Wayland window manager

    xwayland = {
      enable = true;  # Enable XWayland for compatibility with X11 applications
    };

    systemd.enable = true; # Enable systemd support for managing services

    package = pkgs.hyprland; # Specify the package for Hyprland

    # Additional configuration for Hyprland
    extraConfig = let
      modifier = "SUPER"; # Define the modifier key (e.g., Super/Windows key as your main key)
    in ''
      [...]
      # Execute nm-applet for the Network Management tray icon
      exec-once = nm-applet --indicator

      # Start Waybar with a small delay to ensure other services(like nm-applet) are ready
      exec-once = sleep 1 && waybar
      [...]
    '';
  };
}

{ // /home/${username}/dotfiles/waybar/config
  "layer": "top",  // Position of the Waybar above other UI layers
  "modules-left": ["custom/arch", "hyprland/workspaces", "group/quicklaunch"],  // Modules on the left side of the bar
  "modules-center": ["clock", "keyboard-state", "custom/weather"],  // Centered modules
  "modules-right": ["cpu", "memory", "pulseaudio", "network", "custom/power"],  // Modules on the right side of the bar

  // Custom module to display the NixOS Linux logo
  "custom/arch": {
    # Font-awesome, Material icons or Nerd fonts provide a series of really nice unicode icons which can be used in Waybar.
    "format": "Go to FontAwesome",  // Icon for NixOS
    "tooltip": false,  // No tooltip on hover
    "on-click": "rofi -show run"  // Opens Rofi application launcher on click
  },

  // Workspace management for Hyprland.
  // The workspaces module displays the current active workspaces in your Wayland compositor.
  "hyprland/workspaces": {
    "format": "{icon}",  // Display the workspace icon
    "tooltip": false,  // No tooltip on hover
    "all-outputs": true,  // Show workspaces across all outputs
    "format-icons": {
      "active": "",  // Icon for active workspace
      "default": ""  // Icon for inactive workspaces
    }
  },

  // A group module for launching your favorite apps quickly.
  // Module groups allow stacking modules in the direction "orientation" to the bar direction.
  "group/quicklaunch": {
    "orientation": "horizontal",  // Arrange quick launch icons horizontally
    "modules": [
      "custom/firefox", // Custom module for Firefox
      "custom/vscode", // Custom module for VSCode
      "custom/alacritty", // Custom module for Alacritty terminal
      "custom/pcmanfm" // Custom module for PCManFM file manager
    ]
  },

  // Custom module for launching the web browser Firefox
  // custom/ modules are user-defined. You specify the text/icon and an on-click action.
  "custom/firefox": {
    "format": "",  // Firefox icon
    "on-click": "firefox"  // Command to launch Firefox
  },

  // Custom module for launching Visual Studio Code
  "custom/vscode": {
    "format": "",  // VSCode icon
    "on-click": "code"  // Command to launch VSCode
  },

  // Custom module for launching the Alacritty terminal
  "custom/alacritty": {
    "format": "",  // Alacritty icon
    "on-click": "alacritty"  // Command to launch Alacritty
  },

  // Custom module for launching PCManFM file manager
  "custom/pcmanfm": {
    "format": "",  // PCManFM icon
    "on-click": "pcmanfm"  // Command to launch PCManFM
  },

  // Clock module configuration.
  // It displays the current date and time.
  "clock": {
    "format": " {:%H:%M}",  // Display time (04:35) with a clock icon and custom color
    "format-alt": "{:%d·%m·%y}",  // day-month-year, e.g., 19-12-24.
    "tooltip-format": "{calendar}"  // Tooltip for showing the current calendar
  },

  // Keyboard state module configuration
  // It displays the state of number lock, caps lock, and scroll lock.
  "keyboard-state": {
    "numlock": true,  // Show NumLock status
    "capslock": true,  // Show CapsLock status
    "format": "{name} {icon} ",  // Format for displaying keyboard state
    "format-icons": {
      "locked": " ",  // Icon for locked state
      "unlocked": ""  // Icon for unlocked state
    }
  },

  // PulseAudio volume control module
  // It displays the current volume reported by PulseAudio.
  // Besides, you can control the volume by scrolling up or down while the cursor is over the module.
  "pulseaudio": {
    "format": "{icon} {volume}%",  // It displays the volume with an icon and custom color
    "format-muted": "",  // Icon for muted state
    "tooltip": false,  // No tooltip on hover
    "format-icons": {
      "headphone": "",  // Icon for headphone connection
      "default": ["", "", "󰕾", "󰕾", "󰕾", "", "", ""]  // Based on the current volume, the corresponding icon gets selected.
    },
    "scroll-step": 1, // The speed in which to change the volume when scrolling.
    "on-click": "pavucontrol" // Opens PulseAudio Volume Control on click.
  },

  // CPU usage module configuration
  "cpu": {
    "interval": 10,  // Update interval in seconds
    "format": " {usage}%"  // It displays current CPU usage with an illustrated icon.
  },

  // Memory usage module configuration
  "memory": {
    "interval": 30, // Update interval in seconds
    "format": " {used:0.1f}GiB/{total:0.1f}GiB ({percentage}%)" // Display current memory usage
  },

  // Network status module configuration.
  // It displays information about the current network connections.
  "network": {
    "interface": "enp5s0", // Network interface to monitor (optional)
    "format": "{ifname}", // Display interface name
    "format-wifi": " {essid}", // Display Name (SSID) of the wireless network.
    "format-ethernet": " {ipaddr}/{cidr} ", // Display IP address and subnetmask corresponding to the IP for Ethernet
    "format-disconnected": "󰖪 No Network", // Message when disconnected
    "tooltip-format": "{ifname} via {gwaddr} ", // Tooltip for network info (interface name and default gateway for the interface)
    "format-alt": "{ifname}: {ipaddr}/{cidr}"
    // Alternative format for displaying network info: Interface name: IP/Mask.
  },

  // Custom power management module
  "custom/power": {
    "format": "⏻",  // Power icon
    "tooltip": false,  // No tooltip on hover
    "on-click": "rofi -show power-menu -modi power-menu:rofi-power-menu"  // Opens power menu with Rofi
    // Rofi Power Menu provides a mode for offering basic power menu operations...
    // such as shutting down, logging out, rebooting and suspending.
  },

  // Custom weather module configuration
  "custom/weather": {
    "format": "{}",  // Display format for the weather
    "exec": "curl 'wttr.in/yourCity?format=1'",  // Command to fetch weather using curl from wttr.in
    "interval": 1800,  // Update interval in seconds (30 minutes)
    "on-click": "firefox 'https://www.meteoblue.com/en/weather/week/yourCity_yourCountry'"  // Opens weather website on click
  }
}