{ config, lib, pkgs, inputs, ... }:

{
  # Let Home Manager install and manage itself.
  programs.home-manager.enable = true;

  imports = [
    ./packages.nix
    ./unstable.nix
    ./home-minimal.nix
  ];

  home.sessionVariables = {
    MOZ_ENABLE_WAYLAND = 1;
    _JAVA_AWT_WM_NONREPARENTING = 1;
  };

  xdg.mimeApps = {
    enable = true;
    associations.added."application/pdf" = [ "org.pwmt.zathura.desktop" ];
    defaultApplications."application/pdf" = [ "org.pwmt.zathura.desktop" ];
  };

  programs.msmtp.enable = true;
  programs.mbsync.enable = true;
  programs.mu.enable = true;

  accounts.email = {
    accounts.hacc = {
      address = "stuebinm@hacc.space";
      imap.host = "mail.hacc.space";
      mbsync = {
        enable = true;
        create = "maildir";
      };
      msmtp.enable = true;
      mu.enable = true;
      primary = true;
      realName = "stuebinm";
      smtp.host = "mail.hacc.space";
      userName = "stuebinm@hacc.space";
      passwordCommand = "secret-tool lookup mail hacc";
    };
    accounts.disroot = {
      address = "stuebinm@disroot.org";
      imap.host = "disroot.org";
      mbsync = {
        enable = true;
        create = "maildir";
      };
      msmtp.enable = true;
      mu.enable = true;
      realName = "terru";
      smtp.host = "disroot.org";
      userName = "stuebinm@disroot.org";
      passwordCommand = "secret-tool lookup mail disroot";
    };
    accounts.tum = {
      address = "stuebinm@in.tum.de";
      imap.host = "mail.in.tum.de";
      mbsync = {
        enable = true;
        create = "maildir";
      };
      msmtp.enable = true;
      mu.enable = true;
      realName = "stuebinm";
      smtp.host = "mail.in.tum.de";
      userName = "stuebinm@in.tum.de";
      passwordCommand = "secret-tool lookup mail in.tum.de";
    };
    accounts.ilztalbahn = {
      address = "stuebinm@ilztalbahn.eu";
      imap.host = "imap.strato.de";
      mbsync = {
        enable = true;
        create = "maildir";
      };
      msmtp.enable = true;
      mu.enable = true;
      realName = "terru";
      smtp.host = "smtp.strato.de";
      userName = "stuebinm@ilztalbahn.eu";
      passwordCommand = "secret-tool lookup mail ilztalbahn";
    };
  };

  programs.bash = {
    shellAliases = {
      "lrz-vpn" = "sudo openconnect https://asa-cluster.lrz.de  -g AnyConnect";
      news = "newsboat";
      pj = "pijul";
    };
  };

  programs.fish = {
    shellAliases = {
      "lrz-vpn" = "sudo openconnect https://asa-cluster.lrz.de";
      news = "newsboat";
      pj = "pijul";
      agenda = "CLICOLOR_FORCE=1 almanac month ~/.cache/feedsync/* | less";
      xmlpretty = "xmllint --format - | bat -l xml";
      wormhole = "wormhole-rs";
      noms = "curl https://www.bahn.de/service/zug/db_lounge -s | htmlq --attribute href a | grep Speisen | xargs curl -s | pdftotext - /dev/stdout | less";
    };
    functions.fetchpdf.body = ''
      set url $argv[1]
      if test "$url" = ""
          echo "No url given"
          return
      end
      set anchors (curl -L $url | sd '\n' "" | htmlq a | rg .pdf)
      set choice (paste (printf '%s\n' $anchors | htmlq -t a | psub) (printf '%s\n' $anchors | htmlq --attribute href a | psub) | fzf)
      if test "$status" != 0
          return
      end
      set docurl (echo $choice | cut -f 2)
      set docname (echo $choice | cut -f 1)
      echo Fetching $docname from $docurl
      curl "$docurl" > ~/Downloads/news/"$docname".pdf
      zathura ~/Downloads/news/"$docname".pdf
      if test (read -P "move this file to archive? [y/N] ") = "y"
          set filename (read -P "filename? [$docname] ")
          if test "$filename" = ""
              cp ~/Downloads/news/"$docname".pdf ~/archive/"$docname".pdf
          else
              cp ~/Downloads/news/"$docname".pdf ~/archive/$filename
          end
      end
    '';
    functions.nix-what.body = ''
      nix-doc search $argv[1] ~/clones/nixpkgs
    '';
    functions.bahnsteig.body = ''
      set station (echo $argv)
      if string upper -q $station
        set name (string escape --style=url $station)
        set station (curl -sL https://ril100.bahnhof.name/$name)
        echo ril100 $station
      end
      curl -s https://overpass-api.de/api/interpreter -d "
        [out:json][timeout:25];
        node[~\"railway:ref|railway:ref:parent\"~\"^$station\$\"][operator~\"^(DB|Deutsch)\"];
        rel[public_transport~\"stop_area|stop_area_group\"](bn) -> .a;
        rel[public_transport~\"stop_area|stop_area_group\"](br.a) -> .b;
        (.a;.b;);
        nwr[railway=platform](>>);
        out;
      " | jq '.elements[].tags.ref | select(. != null)' | sort
    '';
  };

  programs.kitty = {
    enable = true;
    extraConfig = ''
      background_opacity 0.8
      confirm_os_window_close 0
      allow_remote_control yes
    '';
  };

  programs.neovim = {
    enable = true;
    viAlias = true;
    plugins = with pkgs; [
      (vimPlugins.nvim-treesitter.withPlugins 
        (plugins: [ tree-sitter-grammars.tree-sitter-nix ]))
    ];
    generatedConfigViml = ''
      lua <<EOF
        require'nvim-treesitter.configs'.setup {
        -- One of "all", "maintained" (parsers with maintainers), or a list of languages
        ensure_installed = "all",

        -- Install languages synchronously (only applied to `ensure_installed`)
        sync_install = false,

        -- List of parsers to ignore installing
        ignore_install = { "javascript" },

        highlight = {
          -- `false` will disable the whole extension
          enable = true,

          -- list of language that will be disabled
          -- disable = { "c", "rust" },

          -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
          -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
          -- Using this option may slow down your editor, and you may see some duplicate highlights.
          -- Instead of true it can also be a list of languages
          additional_vim_regex_highlighting = false,
        },
      }
      EOF
    '';
  };

  systemd.user.services.syncical = let
    feeds = (import inputs.feeds).ical; in {
      Unit.Description = "syncs ical feeds for almanac agenda";
      Service = {
        ExecStart = (pkgs.writeShellScript "syncical" ''
          ${pkgs.gauche}/bin/gosh ${./scripts/sync.scm} ${lib.escapeShellArgs feeds}
        '').outPath;
        X-ReloadIfChanged = true;
        Environment = ''
          PATH=${pkgs.curl}/bin:${pkgs.coreutils}/bin
        '';
      };
    };

  systemd.user.timers.syncical = {
    Unit.Description = "automatically fetch new calendars";
    Timer = {
      OnCalendar = "hourly";
      Unit = "syncical.service";
    };
    Install.WantedBy = [ "timers.target" ];
  };

  programs.newsboat = {
    enable = true;
    urls = (import ./newsboat-public.nix) ++ (import inputs.feeds).rss;
    browser = lib.getExe' pkgs.offpunk "offpunk";
    reloadThreads = 200;
    queries = {
      unread = ''unread="yes"'';
      non-papers = ''( unread="yes" ) and ( tags !# "paper" )'';
      non-video = ''( unread="yes" ) and ( tags !# "paper" ) and ( tags !# "video" )'';
      paper = ''tags # "paper"'';
    };
    extraConfig = ''
      color background white default
      color listnormal white default
      color listnormal_unread magenta default bold
      color listfocus black white bold
      color listfocus_unread magenta white bold
      color info green color0
      color article white default

      ssl-verifypeer no

      macro v set browser "kitty @launch --type tab mpv --ytdl-format='b[height<=1100]' %u > /dev/null" ; open-in-browser ; set browser "${config.programs.newsboat.browser} %u"
      macro f set browser "${pkgs.xdg_utils}/bin/xdg-open %u >/dev/null 2>&1 &" ; open-in-browser ; set browser "${config.programs.newsboat.browser} %u"
      macro d set browser "kitty @launch --type tab fish -c 'fetchpdf %u'" ; open-in-browser ; set browser "${config.programs.newsboat.browser} %u"

      bind-key j down
      bind-key k up
    '';
  };


  programs.gpg = {
    enable = true;
    settings = {
      auto-key-locate = "keyserver";
      with-fingerprint = "";
    };
  };

  programs.ssh = {
    forwardAgent = true;
    enable = true;
    matchBlocks = let
      keydir = config.home.homeDirectory + "/.ssh";
      hetznerlogin = match: {user = "root"; identityFile = keydir + "/hetzner.pub";} // match;
      vpslogin = hostname: hetznerlogin {inherit hostname;};
    in {
      "parsons" = {
        hostname = "parsons.hacc.space";
        port = 62954;
        user = "stuebinm";
        identityFile = keydir + "/id_ed25519";
      };
      "flora" = vpslogin "flora.stuebinm.eu";
      "chaski" = vpslogin "chaski.stuebinm.eu";
      "cgit" = vpslogin "flora.stuebinm.eu" // {user = "git";};
      "mate" = {
        hostname = "192.168.69.174";
        user = "root";
        identityFile = keydir + "/hetzner.pub";
      };
      "c3voc" = {
        hostname = "git.c3voc.de";
        user = "git";
        identityFile = keydir + "/id_ed25519";
      };
      "nobelium" = {
        hostname = "no.colorspace.club";
        user = "root";
        identityFile = keydir + "/id_ed25519";
      };
      "colorspace-git" = {
        hostname = "no.colorspace.club";
        user = "git";
        identityFile = keydir + "/id_ed25519";
      };
    };
  };
  
  programs.mpv = {
    enable = true;
    bindings = {
      "up" = "add speed 0.1";
      "down" = "add speed -0.1";
      "n" = "add chapter 1";
      "p" = "add chapter -1";
      "f" = "cycle osd-level up";
    };
    config.osd-status-msg = "\${estimated-frame-number} (\${percent-pos}%)";
  };


  services.mako = {
    enable = true;
    backgroundColor = "#74389eb0";
    borderColor = "#c27cb6ff";
    defaultTimeout = 5000; # milliseconds
    padding = "10";
    output = "DP-9";
  };

  services.mpd = {
    enable = true;
    musicDirectory = "${config.home.homeDirectory}/music";
    network.startWhenNeeded = true;
  };

  programs.bat = {
    enable = true;
    config.wrap = "never";
  };

  # TODO: remove once programs.bat.syntaxes is in home-manager's release
  xdg.configFile =
    let
      syntaxes = {
        isabelle = builtins.readFile
          "${inputs.isabelle-utils}/isabelle.sublime-syntax";
        gleam = builtins.readFile (pkgs.fetchFromGitHub {
          owner = "molnarmark";
          repo = "sublime-gleam";
          rev = "2e761cdb1a87539d827987f997a20a35efd68aa9";
          sha256 = "sha256-Zj2DKTcO1t9g18qsNKtpHKElbRSc9nBRE2QBzRn9+qs=";
        } + "/syntax/gleam.sublime-syntax");
      };
    in with lib; mkMerge (
      flip mapAttrsToList syntaxes (name: body: {
        "bat/syntaxes/${name}.sublime-syntax" = { text = body; };
      }));
}