nix-dotfiles/modules/hm/vim.nix

{ pkgs, ... }:
let vp = pkgs.vimPlugins; in {
  programs.neovim = {
    enable = true;
    plugins = [
      # Git related plugins
      vp.fugitive
      vp.rhubarb


      # Detect tabstop and shiftwidth automatically
      vp.sleuth


      # LSP
      {
        plugin = vp.fidget-nvim;
        config = ''
          require("fidget").setup({})
        '';
        type = "lua";
      }
      vp.neodev-nvim
      # vp.nvim-lspconfig
      {
        plugin = vp.nvim-lspconfig;
        type = "lua";
        config = ''
          local lspconfig = require('lspconfig')
          local capabilities = require("cmp_nvim_lsp").default_capabilities()
          lspconfig.pylsp.setup {capabilities=capabilities}
          lspconfig.nil_ls.setup {capabilities=capabilities}
          lspconfig.rust_analyzer.setup {capabilities=capabilities}
          lspconfig.texlab.setup {capabilities=capabilities}
        '';
      }

      # Autocompletion
      ## Snippet engine & its associated nvim-cmp source
      vp.luasnip
      vp.cmp_luasnip
      ## Adds LSP completion capabilities
      vp.cmp-nvim-lsp
      vp.cmp-path
      ## Adds a number of user-friendly snippets
      vp.friendly-snippets
      ## NVIM CMP
      vp.nvim-cmp

      # Useful plugin to show you pending keybinds
      { plugin = vp.which-key-nvim; config = ''require("which-key").setup({})''; type = "lua"; }

      # Adds git related signs to the gutter, as well as utilities for managing changes
      {
        plugin = vp.gitsigns-nvim;
        config = ''
          require("gitsigns").setup({
            -- See `:help gitsigns.txt`
            signs = {
              add = { text = '+' },
              change = { text = '~' },
              delete = { text = '_' },
              topdelete = { text = '‾' },
              changedelete = { text = '~' },
            },
            on_attach = function(bufnr)
              local gs = package.loaded.gitsigns

              local function map(mode, l, r, opts)
                opts = opts or {}
                opts.buffer = bufnr
                vim.keymap.set(mode, l, r, opts)
              end

              -- Navigation
              map({ 'n', 'v' }, ']c', function()
                if vim.wo.diff then
                  return ']c'
                end
                vim.schedule(function()
                  gs.next_hunk()
                end)
                return '<Ignore>'
              end, { expr = true, desc = 'Jump to next hunk' })

              map({ 'n', 'v' }, '[c', function()
                if vim.wo.diff then
                  return '[c'
                end
                vim.schedule(function()
                  gs.prev_hunk()
                end)
                return '<Ignore>'
              end, { expr = true, desc = 'Jump to previous hunk' })

              -- Actions
              -- visual mode
              map('v', '<leader>hs', function()
                gs.stage_hunk { vim.fn.line '.', vim.fn.line 'v' }
              end, { desc = 'stage git hunk' })
              map('v', '<leader>hr', function()
                gs.reset_hunk { vim.fn.line '.', vim.fn.line 'v' }
              end, { desc = 'reset git hunk' })
              -- normal mode
              map('n', '<leader>hs', gs.stage_hunk, { desc = 'git stage hunk' })
              map('n', '<leader>hr', gs.reset_hunk, { desc = 'git reset hunk' })
              map('n', '<leader>hS', gs.stage_buffer, { desc = 'git Stage buffer' })
              map('n', '<leader>hu', gs.undo_stage_hunk, { desc = 'undo stage hunk' })
              map('n', '<leader>hR', gs.reset_buffer, { desc = 'git Reset buffer' })
              map('n', '<leader>hp', gs.preview_hunk, { desc = 'preview git hunk' })
              map('n', '<leader>hb', function()
                gs.blame_line { full = false }
              end, { desc = 'git blame line' })
              map('n', '<leader>hd', gs.diffthis, { desc = 'git diff against index' })
              map('n', '<leader>hD', function()
                gs.diffthis '~'
              end, { desc = 'git diff against last commit' })

              -- Toggles
              map('n', '<leader>tb', gs.toggle_current_line_blame, { desc = 'toggle git blame line' })
              map('n', '<leader>td', gs.toggle_deleted, { desc = 'toggle git show deleted' })

              -- Text object
              map({ 'o', 'x' }, 'ih', ':<C-U>Gitsigns select_hunk<CR>', { desc = 'select git hunk' })
            end,
          })
        '';
        type = "lua";
      }

      # Cool color scheme
      {
        plugin = vp.nightfox-nvim;
        config = "colorscheme nightfox";
      }

      # Set lualine as statusline
      {
        plugin = vp.lualine-nvim;
        config = ''
          require("lualine").setup({
            options = {
              icons_enabled = false,
              theme = "nightfox",
              component_separators = "|",
              section_separators = "",
            },
          })
        '';
        type = "lua";
      }

      # Add indentation guides even on blank lines
      {
        # See `:help ibl`
        plugin = vp.indent-blankline-nvim;
        config = ''
          require("ibl").setup({})
        '';
        type = "lua";
      }

      # "gc" to comment visual regions/lines
      {
        plugin = vp.comment-nvim;
        config = ''
          require("Comment").setup({})
        '';
        type = "lua";
      }

      vp.plenary-nvim
      vp.telescope-fzf-native-nvim
      vp.telescope-nvim

      vp.nvim-treesitter-textobjects
      vp.nvim-treesitter
    ];
    # settings = { ignorecase = true; };
    # coc.enable = true;
    viAlias = true;
    vimAlias = true;
    vimdiffAlias = true;
    extraConfig = ''
      set mouse=a
    '';
  };
}