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

let
  # TODO: find a better source
  mimeTypes = pkgs.fetchurl {
    url =
      "https://raw.githubusercontent.com/eprints/eprints3.4/master/lib/mime.types";
    sha256 = "0cdhq71wk5h3zcfrz8dyqc3vrjyikwjqsla855v036r54lch0kn2";
  };

  sc = pkgs.writeScript "sc.sh" ''
    #!${pkgs.zsh}/bin/zsh
    git commit -am "$*"
  '';
in
{
  programs.home-manager.enable = true;

  home.packages = with pkgs; [
    zsh-powerlevel9k
    fzf # also needed for fzf.vim
    xclip # needed for nvim
    nixpkgs-fmt
  ];

  programs.vscode = {
    package = pkgs.vscodium;
    userSettings = {
      "editor.bracketPairColorization.enabled" = true;
      "editor.guides.bracketPairs" = "active";

      "window.menuBarVisibility" = "toggle";

      "workbench.sideBar.location" = "right";

      "vim.overrideCopy" = true;
      "vim.useSystemClipboard" = true;
      "vim.easymotion" = true;
      "vim.sneak" = true;
      "vim.hlsearch" = true;
      "vim.normalModeKeyBindings" = [
        {
          before = [ "<Tab>" ];
          commands = [ "workbench.action.nextEditorInGroup" ];
        }
        {
          before = [ "<S-Tab>" ];
          commands = [ "workbench.action.previousEditorInGroup" ];
        }
      ];

      "nix.formatterPath" = "${pkgs.nixpkgs-fmt}/bin/nixpkgs-fmt";
      "nix.serverPath" = "${pkgs.rnix-lsp}/bin/rnix-lsp";
      "nix.enableLanguageServer" = true;

      "rust-client.disableRustup" = true;

      "editor.formatOnSave" = true;
    };
    extensions = with pkgs.vscode-extensions; [
      vscodevim.vim
      jnoortheen.nix-ide
      haskell.haskell
      justusadam.language-haskell
      (
        let
          attrs = lib.importJSON "${inputs.direnv-vscode}/package.json";
          inherit (attrs) name version;
          vsix = "${name}-${version}.vsix";
          npm = pkgs.callPackage "${inputs.npmlock2nix}/internal.nix" { nodejs = pkgs.nodejs-14_x; };
          node_modules_attrs = {
            buildInputs =
              if pkgs.stdenv.isDarwin
              then [ pkgs.python3 ]
              else [ pkgs.python3 pkgs.pkg-config pkgs.libsecret ];
          };
          wtf =
            npm.build {
              src = "${inputs.direnv-vscode}";
              inherit node_modules_attrs;
              buildCommands = [ "echo y | npm run package" ];
              installPhase = ''
                mv ${vsix} $out
              '';
            };
        in
        pkgs.runCommand "wtf-fix-direnv-vscode" { } ''
          mkdir -p $out/share/vscode/extensions
          mkdir $out/ext
          cd $out/ext
          ${pkgs.unzip}/bin/unzip ${wtf}
          mv extension $out/share/vscode/extensions/vscode
        ''
      )
    ] ++ pkgs.vscode-utils.extensionsFromVscodeMarketplace [
      {
        name = "rust";
        publisher = "rust-lang";
        version = "0.7.8";
        sha256 = "sha256-Y33agSNMVmaVCQdYd5mzwjiK5JTZTtzTkmSGTQrSNg0=";
      }
      {
        name = "vscode-autohide";
        publisher = "sirmspencer";
        version = "1.0.7";
        sha256 = "sha256-VaG/eTE2BGbHAYgFdS31c47rgLZVjHGK+/U8MSYKDt8=";
      }
    ];
  };

  xdg.configFile."nvim/coc-settings.json".source = pkgs.writeText "coc-settings.json" (builtins.toJSON {
    languageserver = {
      nix = {
        command = "${pkgs.rnix-lsp}/bin/rnix-lsp";
        filetypes = [ "nix" ];
      };
      elmLS = {
        command = "${pkgs.elmPackages.elm-language-server}/bin/elm-language-server";
        filetypes = [ "elm" ];
        rootPatterns = [ "elm.json" ];
      };
    };
    codeLens.enable = true;
    coc.preferences.formatOnSaveFiletypes = [ "rust" "elm" "javascript" "typescript" "json" ];
  });

  programs.neovim = {
    viAlias = true;
    vimAlias = true;
    vimdiffAlias = true;
    withNodeJs = true;
    withPython3 = true;
    plugins = with pkgs.vimPlugins; [
      direnv-vim
      fugitive
      vim-nix
      camelcasemotion
      vim-indent-object
      vim-commentary
      vim-surround
      {
        plugin = vim-airline;
        config = ''
          if exists('g:started_by_firenvim')
            let g:airline#extensions#tabline#enabled = 0
            let g:airline_powerline_fonts = 0
          else
            let g:airline#extensions#tabline#enabled = 1
            let g:airline_powerline_fonts = 1
          endif

          " remove c, which contains filename, without firevim it's in the buffer, with firevim I don't want to see it, so this can always be applied
          let g:airline#extensions#default#layout = [
              \ [ 'a', 'b' ],
              \ [ 'x', 'y', 'z', 'error', 'warning' ]
              \ ]
        '';
      }
      coc-nvim
      coc-rust-analyzer
      coc-tsserver
      vim-visual-multi
      {
        plugin = fzf-vim;
        config = ''
          map ; :Files<CR>
        '';
      }
      (
        pkgs.vimUtils.buildVimPlugin {
          pname = "firenvim";
          src = inputs.firenvim;
          # yes im stupid
          version = builtins.readFile (pkgs.runCommandNoCC "firenvim-version" { } ''
            ${pkgs.jq}/bin/jq -j .version < ${inputs.firenvim}/package.json > $out
          '');
        })
      vim-gitgutter
    ];
    extraConfig = ''
      set encoding=utf-8
      set hidden
      set nobackup
      set nowritebackup
      set cmdheight=2
      set updatetime=200
      set shortmess+=c
      " maybe should be number?
      set signcolumn=yes

      set clipboard+=unnamedplus
      set mouse=a

      map <Tab> :bnext<CR>
      map <S-Tab> :bprev<CR>

      " Use tab for trigger completion with characters ahead and navigate.
      " NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
      " other plugin before putting this into your config.
      inoremap <silent><expr> <TAB>
            \ pumvisible() ? "\<C-n>" :
            \ <SID>check_back_space() ? "\<TAB>" :
            \ coc#refresh()
      inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

      function! s:check_back_space() abort
        let col = col('.') - 1
        return !col || getline('.')[col - 1]  =~# '\s'
      endfunction

      " Use <c-space> to trigger completion.
      if has('nvim')
        inoremap <silent><expr> <c-space> coc#refresh()
      else
        inoremap <silent><expr> <c-@> coc#refresh()
      endif

      " Make <CR> auto-select the first completion item and notify coc.nvim to
      " format on enter, <cr> could be remapped by other vim plugin
      inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm()
                                    \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

      " Use `[g` and `]g` to navigate diagnostics
      " Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
      nmap <silent> [g <Plug>(coc-diagnostic-prev)
      nmap <silent> ]g <Plug>(coc-diagnostic-next)

      " GoTo code navigation.
      nmap <silent> gd <Plug>(coc-definition)
      nmap <silent> gy <Plug>(coc-type-definition)
      nmap <silent> gi <Plug>(coc-implementation)
      nmap <silent> gr <Plug>(coc-references)

      " Use K to show documentation in preview window.
      nnoremap <silent> K :call <SID>show_documentation()<CR>

      function! s:show_documentation()
        if (index(['vim','help'], &filetype) >= 0)
          execute 'h '.expand('<cword>')
        elseif (coc#rpc#ready())
          call CocActionAsync('doHover')
        else
          execute '!' . &keywordprg . " " . expand('<cword>')
        endif
      endfunction

      " Highlight the symbol and its references when holding the cursor.
      autocmd CursorHold * silent call CocActionAsync('highlight')

      " Symbol renaming.
      nmap <leader>rn <Plug>(coc-rename)

      " Formatting selected code.
      xmap <leader>f  <Plug>(coc-format-selected)
      nmap <leader>f  <Plug>(coc-format-selected)

      " Applying codeAction to the selected region.
      " Example: `<leader>aap` for current paragraph
      xmap <leader>a  <Plug>(coc-codeaction-selected)
      nmap <leader>a  <Plug>(coc-codeaction-selected)

      " Remap keys for applying codeAction to the current buffer.
      nmap <leader>ac  <Plug>(coc-codeaction)
      " Apply AutoFix to problem on the current line.
      nmap <leader>qf  <Plug>(coc-fix-current)

      " Map function and class text objects
      " NOTE: Requires 'textDocument.documentSymbol' support from the language server.
      xmap if <Plug>(coc-funcobj-i)
      omap if <Plug>(coc-funcobj-i)
      xmap af <Plug>(coc-funcobj-a)
      omap af <Plug>(coc-funcobj-a)
      xmap ic <Plug>(coc-classobj-i)
      omap ic <Plug>(coc-classobj-i)
      xmap ac <Plug>(coc-classobj-a)
      omap ac <Plug>(coc-classobj-a)

      nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
      nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
      inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
      inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
      vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
      vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"

      " Use CTRL-S for selections ranges.
      " Requires 'textDocument/selectionRange' support of language server.
      nmap <silent> <C-s> <Plug>(coc-range-select)
      xmap <silent> <C-s> <Plug>(coc-range-select)

      " Add `:Format` command to format current buffer.
      command! -nargs=0 Format :call CocAction('format')

      " Add `:Fold` command to fold current buffer.
      command! -nargs=? Fold :call     CocAction('fold', <f-args>)

      " Add `:OR` command for organize imports of the current buffer.
      command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')

      " Mappings for CoCList
      " Show all diagnostics.
      nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
      " Manage extensions.
      nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
      " Show commands.
      nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
      " Find symbol of current document.
      nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
      " Search workspace symbols.
      nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
      " Do default action for next item.
      nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
      " Do default action for previous item.
      nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
      " Resume latest coc list.
      nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>
    '';
  };

  ezpcusr.uploadScript = pkgs.writeScript "upload_file.sh" ''
    #!${pkgs.zsh}/bin/zsh
    fileid=$(${pkgs.pwgen}/bin/pwgen 16 1)

    filename=$(basename $1)
    extension=$(echo "''${filename##*.}" | awk '{gsub(/^ +| +$/,"")} {print $0}')
    if [[ "$extension" = "$filename" ]] then
      extension=$(grep "$(file -b --mime-type $1)" ${mimeTypes} | awk '{print $2}')
    fi

    rsync -a --chmod=664 "$1" "wizbos.club:~/public/uploads/$fileid.$extension"
    echo "https://p.gen2.space/uploads/$fileid.$extension"
  '';

  fonts.favFont = {
    name = "Anonymice Nerd Font";
    package = pkgs.nerdfonts.override { fonts = [ "AnonymousPro" ]; };
    size = 11;
  };

  colors.baseColors = {
    base00 = "282936";
    base01 = "3a3c4e";
    base02 = "4d4f68";
    base03 = "626483";
    base04 = "62d6e8";
    base05 = "e9e9f4";
    base06 = "f1f2f8";
    base07 = "f7f7fb";
    base08 = "ea51b2";
    base09 = "b45bcf";
    base0A = "00f769";
    base0B = "ebff87";
    base0C = "a1efe4";
    base0D = "62d6e8";
    base0E = "b45bcf";
    base0F = "00f769";
  };

  services.gpg-agent = {
    enableSshSupport = true;
    enableExtraSocket = true;
  };

  home.sessionVariables = {
    FZF_DEFAULT_COMMAND = "${pkgs.fd}/bin/fd --type f";
  };

  programs.fish.shellAliases = {
    bp = "npm version patch && npm publish && git push";
    sc = "${sc}";
  };

  xdg.configFile."nvim-qt/nvim-qt.conf".text = ''
    ext_tabline=false
    ext_popupmenu=false
  '';

  programs.git = {
    signing.key = "DAB666DB54866F92";
    signing.signByDefault = true;
    enable = true;
    lfs.enable = true;
    userName = "notgne2";
    userEmail = "gen2@gen2.space";
  };
}