nix-conf/home/user/yazi.nix

{
  inputs,
  config,
  pkgs,
  lib,
  ...
}:
let
  inherit (pkgs.stdenv.hostPlatform) system;
  yaziPlugins = pkgs.fetchFromGitHub {
    owner = "yazi-rs";
    repo = "plugins";
    rev = "main";
    hash = "sha256-TUS+yXxBOt6tL/zz10k4ezot8IgVg0/2BbS8wPs9KcE=";
  };
  md2html = pkgs.callPackage ./../scripts/md2html.nix { };
  pdfNormalize = pkgs.writeShellScriptBin "normalize-pdf" ''
    # Nomalize pdf to A4 size
    for path in "$@"; do
      output_path="normalized_$(basename "$path")"
      ${pkgs.ghostscript}/bin/gs \
         -o "$output_path" \
         -sDEVICE=pdfwrite \
         -sPAPERSIZE=a4 \
         -dFIXEDMEDIA \
         -dPDFFitPage "$path"
    done
  '';

  pdfCombine = pkgs.writeShellScriptBin "combine-pdf" ''
    ${lib.getExe pkgs.pdftk} "$@" cat output combined_$(date +%Y%m%d_%H%M%S).pdf
  '';
in
{
  programs = {
    yazi = {
      enable = true;
      package = inputs.yazi.packages.${system}.default;
      shellWrapperName = "y";
      enableFishIntegration = true;

      plugins = {
        toggle-pane = ''${yaziPlugins}/toggle-pane.yazi'';
        mount = ''${yaziPlugins}/mount.yazi'';
        zoom = ''${yaziPlugins}/zoom'';
        vcs-files = ''${yaziPlugins}/vcs-files'';
        git = ''${yaziPlugins}/git'';
      };

      settings = {
        plugin.prepend_fetchers = [
          {
            id = "git";
            name = "*";
            run = "git";
          }
        ];

        input = {
          cursor_blink = true;
        };

        opener = {
          edit = [
            {
              run = ''''\${EDITOR:=nvim} "$0"'';
              desc = "$EDITOR";
              block = true;
            }
            {
              run = ''code "$0"'';
              orphan = true;
            }
          ];

          player = [
            { run = ''mpv --force-window "$0"''; }
          ];

          open = [
            {
              run = ''xdg-open "$0"'';
              desc = "Open";
            }
          ];
        };

        open = {
          prepend_rules = [
            {
              mime = "application/pdf";
              use = "open";
            }
          ];
        };
      };

      keymap = {
        mgr.prepend_keymap = [
          # Set Wallpaper
          {
            on = [
              "g"
              "w"
            ];
            run = ''shell -- ${config.services.swww.package}/bin/awww img "$0" --transition-fps 45 --transition-duration 1 --transition-type random'';
            desc = "Set as wallpaper";
          }
          # Git Changes
          {
            on = [
              "g"
              "c"
            ];
            run = "plugin vcs-files";
            desc = "Show Git file changes";
          }
          # Image zoom
          {
            on = "+";
            run = "plugin zoom 1";
            desc = "Zoom in hovered file";
          }
          {
            on = "-";
            run = "plugin zoom -1";
            desc = "Zoom out hovered file";
          }
          # Mount Manager
          {
            on = "M";
            run = "plugin mount";
            desc = "Launch mount manager";
            # Usage
            # Key binding 	Alternate key 	Action
            # q 	- 	Quit the plugin
            # k 	↑ 	Move up
            # j 	↓ 	Move down
            # l 	→ 	Enter the mount point
            # m 	- 	Mount the partition
            # u 	- 	Unmount the partition
            # e 	- 	Eject the disk
          }
          # Toggle Maximize Preview
          {
            on = "T";
            run = "plugin toggle-pane max-preview";
            desc = "Show or hide the preview panel";
          }
          # Copy selected files to the system clipboard while yanking
          {
            on = "y";
            run = [
              ''shell -- for path in "$0" "$@"; do echo "file://$path"; done | wl-copy -t text/uri-list''
              "yank"
            ];
          }
          # cd back to the root of the current Git repository
          {
            on = [
              "g"
              "r"
            ];
            run = ''shell -- ya emit cd "$(git rev-parse --show-toplevel)"'';
            desc = "Go to git root";
          }
          # Drag and Drop
          {
            on = [
              "c"
              "D"
            ];
            run = ''shell 'ripdrag "$0" "$@" -x 2>/dev/null &' --confirm'';
            desc = "Drag the file";
          }
          # Start terminal
          {
            on = [ "!" ];
            for = "unix";
            run = ''shell "$SHELL" --block'';
            desc = "Open $SHELL here";
          }
          # Combine PDF
          {
            on = [
              "F" # file
              "p" # pdf
              "c" # combine
            ];
            for = "unix";
            run = ''shell -- ${lib.getExe pdfCombine} "$0" "$@"'';
            desc = "Combine selected pdf";
          }
          {
            on = [
              "F" # file
              "p" # pdf
              "n" # normalize
            ];
            for = "unix";
            run = ''shell -- ${lib.getExe pdfNormalize} "$0" "$@" 2>/dev/null'';
            desc = "Normalize PDF to A4 size";
          }
          {
            on = [
              "F" # file
              "H" # html
            ];
            for = "unix";
            run = [
              ''shell -- for path in "$0" "$@"; do ${lib.getExe md2html} "$path"; done''
            ];
            desc = "Convert Markdown to HTML";
          }
        ];
      };

      initLua =
        # lua
        ''
          -- Show user/group of files in status bar
          Status:children_add(function()
            local h = cx.active.current.hovered
            if not h or ya.target_family() ~= "unix" then
              return ""
            end

            return ui.Line {
              ui.Span(ya.user_name(h.cha.uid) or tostring(h.cha.uid)):fg("magenta"),
              ":",
              ui.Span(ya.group_name(h.cha.gid) or tostring(h.cha.gid)):fg("magenta"),
              " ",
            }
          end, 500, Status.RIGHT)
        '';
    };
  };

  home.packages = with pkgs; [
    ueberzugpp
    pdfNormalize
    ripdrag
  ];
}