omniflake/home/modules/nvim/default.nix

{ pkgs, ... }:

{
  home.packages = with pkgs; [
    astro-language-server
    marksman
    nil
    tree-sitter
    typescript-language-server
    vim-language-server
  ];

  programs.neovim = {

    enable = true;
    defaultEditor = true;
    viAlias = true;
    vimAlias = true;

    extraConfig = builtins.readFile ./config.vim;

    plugins = with pkgs.vimPlugins;

    [
      cmp-buffer
      cmp-cmdline
      cmp-emoji
      cmp-fish
      cmp-nvim-lsp
      cmp-nvim-ultisnips
      cmp-path

      {
        plugin = vim-fugitive;
        type = "lua";
        config = ''
          vim.api.nvim_set_keymap("n", "<Leader>g", ":Git<CR>", { noremap = true, silent = true })
        '';
      }

      {
        plugin = fzf-vim;
        type = "lua";
        config = ''
          vim.api.nvim_set_keymap('i', '<c-x><c-f>', '<Plug>(fzf-complete-path)', { silent = true })
          vim.api.nvim_set_keymap('i', '<c-x><c-k>', '<Plug>(fzf-complete-word)', { silent = true })
          vim.api.nvim_set_keymap('i', '<c-x><c-l>', '<Plug>(fzf-complete-line)', { silent = true })

          vim.api.nvim_set_keymap('n', '<localleader><tab>', '<Plug>(fzf-maps-n)', { silent = true })
          vim.api.nvim_set_keymap('x', '<localleader><tab>', '<Plug>(fzf-maps-x)', { silent = true })
          vim.api.nvim_set_keymap('o', '<localleader><tab>', '<Plug>(fzf-maps-o)', { silent = true })

          vim.api.nvim_set_keymap('n', '<leader>b', ':Buffers<return>', { noremap = true, silent = true })
          vim.api.nvim_set_keymap('n', '<leader>o', ':Files<return>', { noremap = true, silent = true })
          vim.api.nvim_set_keymap('n', '<leader>O', ':Files ~/', { noremap = true })
          vim.api.nvim_set_keymap('n', '<leader>r', ':Read<return>', { noremap = true, silent = true })
          vim.api.nvim_set_keymap('n', '<leader>R', ':Read ~/', { noremap = true, silent = true })
          vim.api.nvim_set_keymap('n', '<leader>a', ':Ag<return>', { noremap = true, silent = true })
          vim.api.nvim_set_keymap('n', '<leader>A', ':Ag ~/', { noremap = true, silent = true })
          vim.api.nvim_set_keymap('n', '<leader>.', ':Files ~/devel/omniflake/<return>', { noremap = true, silent = true })

          vim.api.nvim_create_user_command(
            'Read', 
            'call fzf#run(fzf#wrap({\'sink\': \'read\', \'dir\': <q-args>}))',
            { nargs = '?', complete = 'dir' }
          )
        '';
      }

      {
        plugin = goyo-vim;
        config = ''
          nnoremap <silent> yog :Goyo<CR>
          nnoremap <silent> [og :Goyo 80<return>
          nnoremap <silent> ]og :Goyo!<return>
        '';
     }
      {
        plugin = limelight-vim;
        config = ''
          set termguicolors
          let g:limelight_conceal_ctermfg = 'darkgray'

          nnoremap yof :Limelight!!<return>
          nnoremap [of :Limelight<return>
          nnoremap ]of :Limelight!<return>
        '';
      }

      nabla-nvim

      {
        plugin = nvim-cmp;
        type = "lua";
        config = builtins.readFile ./nvim-cmp.lua;
      }

      {
        plugin = nvim-colorizer-lua;
        config = "lua require 'colorizer'.setup()";
      }

      { 
        plugin = nvim-lspconfig;
        type = "lua";
        config = ''
          vim.lsp.enable('astro')
          vim.lsp.enable('marksman')
          vim.lsp.enable('nil_ls')
          vim.lsp.enable('r_language_server')
          vim.lsp.enable('rust_analyzer')
          vim.lsp.enable('texlab')
          vim.lsp.enable('ts_ls')
          vim.lsp.enable('vimls')
          vim.api.nvim_del_keymap('i', '<c-s>')
          vim.keymap.set({ 'i' }, "<c-tab>", vim.lsp.buf.signature_help, { desc = "Show signature help" })
        '';
      }

      {
        plugin = (nvim-treesitter.withPlugins (p: [ p.nix p.lua p.r p.typescript ]));
        type = "lua";
        config = ''
          vim.api.nvim_create_autocmd('FileType', {
            pattern = { 'nix', 'markdown', 'lua', 'r' },
            callback = function()
              -- Enable Tree-sitter-based folding
              vim.o.foldexpr = 'v:lua.vim.treesitter.foldexpr()'
              vim.o.foldmethod = 'expr'
              -- Optional: configure fold behavior
              vim.o.foldlevel = 99
              vim.o.foldlevelstart = 99
            end,
          })
        '';
      }

      # {
      #   plugin = papercolor-theme;
      #   config = ''
      #     colorscheme PaperColor
      #   '';
      # }

      quarto-nvim
      typescript-vim

      {
        plugin = ultisnips;
        type = "lua";
        config = ''
          vim.api.nvim_set_keymap('n', '<leader>se', ':UltiSnipsEdit!<return>', { noremap = true, silent = true })
        '';
      }

      vifm-vim

      {
        plugin = vim-astro;
        config = ''
          let g:astro_typescript = 'enable'
        '';
      }

      vim-commentary

      {
        plugin = vim-easy-align;
        config = ''
          xmap ga <Plug>(EasyAlign)
          nmap ga <Plug>(EasyAlign)
        '';
      }

      {
        plugin = vim-fish;
      }

      vim-nix

      {
        plugin = vim-pandoc;
        config = ''
          let g:pandoc#modules#disabled = ["completion", "command", "menu"]
        '';
      }

      vim-pandoc-syntax
      vim-repeat

      {
        plugin = vim-slime;
        config = ''
          let g:slime_target = "tmux"
          let g:slime_default_config = {"socket_name": get(split($TMUX, ","), 0), "target_pane": ":.2"}
          let g:slime_no_mappings = 1
          let g:slime_dont_ask_default = 1
          xmap s <plug>SlimeRegionSend
          nmap s <plug>SlimeMotionSend
          nmap ss <plug>SlimeLineSend
          nnoremap s: :SlimeSend1 
        '';
      }

      vim-snippets
      vim-speeddating
      vim-surround

      {
        plugin = vim-unimpaired;
        config = ''
          nnoremap =p <Nop>
          nnoremap =P <Nop>
          nnoremap =s <Nop>
        '';
      }

      {
        plugin = vimwiki;
        config = ''
          let g:vimwiki_list = [ { 'path': '~/notes/', 'syntax': 'markdown', 'ext': '.md' } ]
          nnoremap <Leader>wt <Nop>
          nnoremap <Leader>w<Leader>t <Nop>
          nmap <C-j> <Plug>VimwikiNextLink
          nmap <C-k> <Plug>VimwikiPrevLink
          let g:vimwiki_key_mappings = { 'headers': 0, 'text_objs': 0, 'lists': 0, 'lists_return': 0, 'html': 0 }
        '';
      }
    ];
  };

  xdg.configFile."nvim" = {
    source = ./dotfiles;
    recursive = true;
  };

  home.shellAliases.v = "nvim";
}