{ pkgs, lib, ... }:

let
  name = "Matthew Ess";
  email = "daringseal@gmail.com";
  workEmail = "mess@yelp.com";
  lockCmd = "i3lock -i ~/.lockscreen-image";
  statusCmd = "i3status-rs ~/.config/i3status.toml";

  nixpkgs-lldb = import <nixpkgs-vscode-lldb> {};
  nixpkgs-ra = import <nixpkgs-ra> {};

in {
  nixpkgs = { config = { allowUnfree = true; }; };
  home = {
    sessionVariables = {
      EDITOR = "vim";
      BROWSER = "firefox";
      TERMINAL = "kitty";
    };
    packages = with pkgs; [
      # nix utilities
      cachix
      niv
      nixfmt
      nix-prefetch-git
      # command line utilities
      ag
      python37Packages.cookiecutter
      du-dust
      exercism
      fzy
      imagemagick
      jq
      haskell.packages.ghc865.pointfree
      rlwrap
      tldr
      unzip
      # graphical applications
      discord
      (dunst.override { dunstify = true; })
      enpass
      fractal
      firefox
      httpie
      kitty
      signal-desktop
      slack
      steam
      xfce.thunar
      xfce.thunar-archive-plugin
      # graphical utilities
      clipmenu
      clipnotify
      dmenu
      i3lock
      i3status-rust
      libnotify
      lxappearance
      rofi
      xclip
    ];
    file = {
      ".background-image".source = ./assets/background-image;
      ".lockscreen-image".source = ./assets/lockscreen-image;
      ".config/fish/fishfile".text = ''
        laughedelic/pisces
        joehillen/to-fish
        jethrokuan/z
        decors/fish-colored-man
        franciscolourenco/done
        haslersn/fish-nix-completions
        gyakovlev/fish-fzy
        joseluisq/gitnow
        edc/bass
        fishpkg/fish-get
        fishpkg/fish-spin
        oh-my-fish/plugin-bang-bang
        fishpkg/fish-humanize-duration
        jorgebucaran/fish-getopts
        matthewess/fish-autovenv
      '';
      ".config/fish/completions/systemctl.fish".source =
        ./assets/systemctl.fish;
      ".config/fish/functions/colortest.fish".source = ./assets/colortest.fish;
      ".config/fish/functions/kbl.fish".text = ''
        function kbl -a level
          set -l initial (cat /sys/class/leds/tpacpi\:\:kbd_backlight/brightness)
          test -z "$level"; and set -l level $initial
          echo $level > /sys/class/leds/tpacpi\:\:kbd_backlight/brightness
        end
      '';
      ".config/fish/functions/mkdcd.fish".text = ''
        function mkdcd -a target
          mkdir $target
          cd $target
        end
      '';
      ".config/fish/functions/unz.fish".text = ''
        function unz -a target
          # strip extensions
          string match \*.zip $target; and set target (string split -r -m1 . $target)[1]
          unzip -d $target $target
        end
      '';
      ".config/i3status.toml".source = ./assets/i3status.toml;
      ".config/kitty/kitty.conf".text = ''
        font_family Fira Code Regular
        bold_font   Fira Code Bold
        font_size   15.0
        include ./theme.conf
      '';
      ".config/kitty/theme.conf".source = ./assets/kitty-theme.conf;
      ".config/nvim/init.vim".source = ./assets/init.vim;
      ".config/rofi/theme.rasi".source = ./assets/sidetab.rasi;
    };
  };
  programs = {
    alacritty = {
      enable = false;
      settings = {
        font = {
          normal.family = "Fira Code";
          size = 10.5;
        };
      };
    };
    bat.enable = true;
    broot.enable = true;
    command-not-found.enable = true;
    direnv.enable = true;
    feh.enable = true;
    firefox.enable = true;
    fish = {
      enable = true;
      package = pkgs.fish;
      interactiveShellInit = ''
        echo 'ヽ(´ᗜ｀)ノ welcome ヽ(´ᗜ｀)ノ'
        if not functions -q fisher
          set -q XDG_CONFIG_HOME; or set XDG_CONFIG_HOME ~/.config
          curl https://git.io/fisher --create-dirs -sLo $XDG_CONFIG_HOME/fish/functions/fisher.fish
          fish -c fisher
        end
        fish_vi_key_bindings
        set VIRTUAL_ENV_DISABLE_PROMPT true

        alias cat=bat
        alias br=broot
        alias tree=br
        alias ack=ag
        alias grep=ag
        alias sys="sudo systemctl"
        alias rebuild="sudo nixos-rebuild switch"
        alias rebuildd="sudo nixos-rebuild switch; and systemctl restart display-manager"
        alias upgrade="sudo rm -rf /root/.cache/nix/tarballs; and sudo nixos-rebuild switch --upgrade"
        alias clip="xclip -selection c"
        alias cxuse="sudo cachix use -d ~/dotfiles.nix"
        alias cxpsh="nix-shell --command exit; nix-store -qR --include-outputs (nix-instantiate shell.nix) | cachix push"
        alias cxpush=cxpsh
        alias home="vim ~/dotfiles.nix/home.nix +'cd %:p:h'"
        alias i3="vim ~/dotfiles.nix/i3.nix +'cd %:p:h'"
        alias config="vim ~/dotfiles.nix/configuration.nix +'cd %:p:h'"
        alias vims="vim -S Session.vim"
        alias bigscreen="xrandr --output eDP1 --off --output HDMI2 --auto"
        alias smallscreen="xrandr --output eDP1 --auto --output HDMI2 --off"

        bind \cr 'fzy_select_history (commandline -b)'
        bind -M insert \cr 'fzy_select_history (commandline -b)'

        bind \cf 'fzy_select_directory'
        bind -M insert \cf 'fzy_select_directory'

        bind -M insert ! __history_previous_command
        bind -M insert '$' __history_previous_command_arguments
      '';
    };
    git = {
      enable = true;
      userName = "${name}";
      userEmail = "${email}";
      ignores = [ ".*.sw[a-z]" "tags" ];
      extraConfig = {
        color.ui = true;
        core.editor = "vim";
        push.default = "simple";
        init.defaultBranch = "main";
      };
    };
    htop = {
      enable = true;
      highlightBaseName = true;
    };
    jq.enable = true;
    man.enable = true;
    neovim = {
      enable = true;
      viAlias = true;
      vimAlias = true;
      withNodeJs = true;
      extraPython3Packages = ps: with ps; [ pynvim ];
      plugins = with pkgs.vimPlugins; [
        neovim-sensible
        vim-fugitive
        vim-surround
        nerdtree
        nerdtree-git-plugin
        vim-colorschemes
        vim-nix
        lightline-vim
        haskell-vim
        auto-pairs
        vim-fish
        LanguageClient-neovim
        ncm2
        ncm2-path
        nvim-yarp
        ctrlp
        dhall-vim
      ];
      extraConfig = builtins.readFile ./assets/init.vim;
    };
    rofi = {
      enable = true;
      font = "Fira Code 14";
      lines = 10;
      location = "center";
      theme = "~/.config/rofi/theme.rasi";
    };
    ssh = {
      enable = true;
      extraOptionOverrides = { "AddKeysToAgent" = "true"; };
    };
    starship.enable = true;
    vscode = {
      enable = true;
      package = pkgs.vscodium.overrideAttrs (_: {
        preFixupPhases = [ "preFixup" ];
        preFixup = ''
          sed -i "s#open-vsx.org/vscode/gallery#marketplace.visualstudio.com/_apis/public/gallery#" $out/lib/vscode/resources/app/product.json
          sed -i "s#open-vsx.org/vscode/item#marketplace.visualstudio.com/items#" $out/lib/vscode/resources/app/product.json
          sed -i "s#open-vsx.org#marketplace.visualstudio.com#" $out/lib/vscode/resources/app/product.json
        '';
      });
      extensions = with pkgs.vscode-extensions; [
        # matklad.rust-analyzer
        nixpkgs-ra.vscode-extensions.matklad.rust-analyzer
        ms-python.python
        skyapps.fish-vscode
        # vadimcn.vscode-lldb
        nixpkgs-lldb.vscode-extensions.vadimcn.vscode-lldb
      ];
    };
  };
  services = {
    dunst = {
      enable = true;
      settings = {
        global = {
          geometry = "0x5-30+20";
          notification_height = 25;
          indicate_hidden = "yes";
          corner_radius = 5;
          padding = 10;
          horizontal_padding = 10;
          idle_threshold = 60;
          font = "Fira Code 16";
          markup = "full";
          format = ''
            <b>%s<b> %a
            %b'';
          alignment = "center";
          horizontal_alignment = "center";
          icon_position = "left";
          separator_color = "#383838";
          frame_color = "#383838";
          frame_width = 2;
        };
        shortcuts = {
          close = "ctrl+space";
          history = "ctrl+shift+grave";
        };
        urgency_low = {
          background = "#282828";
          foreground = "#5882FA";
        };
        urgency_normal = {
          background = "#282828";
          foreground = "#5882FA";
        };
        urgency_critical = {
          background = "#282828";
          foreground = "#FF0040";
          timeout = 0;
        };
      };
    };
    gnome-keyring.enable = true;
    lorri.enable = true;
    redshift = {
      enable = true;
      provider = "geoclue2";
    };
    screen-locker = {
      enable = false;
      lockCmd = "${lockCmd}";
    };
  };
  xsession = {
    enable = true;
    scriptPath = ".hm-xsession";
    windowManager = {
      i3 = import ./i3.nix { inherit lib lockCmd statusCmd; };
    };
  };
}