From cf55ba3d7005556c8ae74e257267252b52f5d340 Mon Sep 17 00:00:00 2001
From: Christoph Hollizeck <christoph.hollizeck@hey.com>
Date: Thu, 28 Mar 2024 23:42:34 +0100
Subject: [PATCH] working on improving nixvim config, just need to learn how to
 seperate out files now

---
 .../nixos/apps/cli-apps/nixvim/default.nix    | 240 ++++++++++++++----
 1 file changed, 197 insertions(+), 43 deletions(-)

diff --git a/modules/nixos/apps/cli-apps/nixvim/default.nix b/modules/nixos/apps/cli-apps/nixvim/default.nix
index d63d9cc..4ca87a9 100644
--- a/modules/nixos/apps/cli-apps/nixvim/default.nix
+++ b/modules/nixos/apps/cli-apps/nixvim/default.nix
@@ -24,9 +24,17 @@ in {
       options = {
         number = true;
         relativenumber = true;
-        shiftwidth = 2;
+        shiftwidth = 4;
       };
 
+      autoCmd = [
+        {
+          event = "FileType";
+          pattern = "nix";
+          command = "setlocal tabstop=2 shiftwidth=2";
+        }
+      ];
+
       keymaps = [
         {
           action = "<cmd>Ex<CR>";
@@ -97,64 +105,210 @@ in {
 
         treesitter = {
           enable = true;
+          nixGrammars = true;
+          indent = true;
         };
-
-        luasnip.enable = true;
+        treesitter-context.enable = true;
 
         lualine.enable = true;
 
-        lsp = {
-          enable = true;
-
-          servers = {
-            nixd.enable = true;
-          };
-          keymaps = {
-            lspBuf = {
-              "<leader>K" = "hover";
-              "<leader>gf" = "references";
-              "<leader>gd" = "definition";
-              "<leader>gi" = "implementation";
-              "<leader>gt" = "type_definition";
-            };
-          };
+        copilot-lua = {
+          panel.enabled = false;
+          suggestion.enabled = false;
         };
 
-        lsp-format = {
-          enable = true;
-          setup = {
-            nix = {
-            };
-          };
-        };
+        nix.enable = true;
+        nix-develop.enable = true;
 
-        cmp = {
-          enable = true;
-	  settings = {
-          	  };
-        };
+        nvim-autopairs.enable = true;
 
-        rainbow-delimiters = {
-          enable = true;
-        };
+        rainbow-delimiters = {enable = true;};
         nvim-colorizer.enable = true;
 
         undotree.enable = true;
 
-        which-key = {
-          enable = true;
-          registrations = {
-            "<leader>K" = "Code hover";
-            "<leader>gf" = "Code references";
-            "<leader>gd" = "Code definitions";
-            "<leader>gi" = "Implementations";
-            "<leader>gt" = "Type definition";
-          };
-        };
+        which-key = {enable = true;};
 
         trouble.enable = true;
 
         markdown-preview.enable = true;
+
+        dashboard = {enable = true;};
+
+        auto-save = {
+          enable = true;
+          enableAutoSave = true;
+        };
+
+        ## cmp extract into file
+        luasnip.enable = true;
+        cmp-buffer = {enable = true;};
+
+        cmp-emoji = {enable = true;};
+
+        cmp-nvim-lsp = {enable = true;};
+
+        cmp-path = {enable = true;};
+
+        cmp_luasnip = {enable = true;};
+
+        cmp = {
+          enable = true;
+
+          settings = {
+            snippet.expand = "luasnip";
+            sources = [
+              {name = "nvim_lsp";}
+              {name = "luasnip";}
+              {name = "copilot";}
+              {
+                name = "buffer";
+                option.get_bufnrs.__raw = "vim.api.nvim_list_bufs";
+              }
+              {name = "nvim_lua";}
+              {name = "path";}
+            ];
+
+            formatting = {
+              fields = ["abbr" "kind" "menu"];
+              format =
+                # lua
+                ''
+                  function(_, item)
+                    local icons = {
+                      Namespace = "󰌗",
+                      Text = "󰉿",
+                      Method = "󰆧",
+                      Function = "󰆧",
+                      Constructor = "",
+                      Field = "󰜢",
+                      Variable = "󰀫",
+                      Class = "󰠱",
+                      Interface = "",
+                      Module = "",
+                      Property = "󰜢",
+                      Unit = "󰑭",
+                      Value = "󰎠",
+                      Enum = "",
+                      Keyword = "󰌋",
+                      Snippet = "",
+                      Color = "󰏘",
+                      File = "󰈚",
+                      Reference = "󰈇",
+                      Folder = "󰉋",
+                      EnumMember = "",
+                      Constant = "󰏿",
+                      Struct = "󰙅",
+                      Event = "",
+                      Operator = "󰆕",
+                      TypeParameter = "󰊄",
+                      Table = "",
+                      Object = "󰅩",
+                      Tag = "",
+                      Array = "[]",
+                      Boolean = "",
+                      Number = "",
+                      Null = "󰟢",
+                      String = "󰉿",
+                      Calendar = "",
+                      Watch = "󰥔",
+                      Package = "",
+                      Copilot = "",
+                      Codeium = "",
+                      TabNine = "",
+                    }
+
+                    local icon = icons[item.kind] or ""
+                    item.kind = string.format("%s %s", icon, item.kind or "")
+                    return item
+                  end
+                '';
+            };
+
+            window = {
+              completion = {
+                winhighlight = "FloatBorder:CmpBorder,Normal:CmpPmenu,CursorLine:CmpSel,Search:PmenuSel";
+                scrollbar = false;
+                sidePadding = 0;
+                border = ["╭" "─" "╮" "│" "╯" "─" "╰" "│"];
+              };
+
+              settings.documentation = {
+                border = ["╭" "─" "╮" "│" "╯" "─" "╰" "│"];
+                winhighlight = "FloatBorder:CmpBorder,Normal:CmpPmenu,CursorLine:CmpSel,Search:PmenuSel";
+              };
+            };
+
+            mapping = {
+              "<C-n>" = "cmp.mapping.select_next_item()";
+              "<C-p>" = "cmp.mapping.select_prev_item()";
+              "<C-j>" = "cmp.mapping.select_next_item()";
+              "<C-k>" = "cmp.mapping.select_prev_item()";
+              "<C-d>" = "cmp.mapping.scroll_docs(-4)";
+              "<C-f>" = "cmp.mapping.scroll_docs(4)";
+              "<C-Space>" = "cmp.mapping.complete()";
+              "<C-e>" = "cmp.mapping.close()";
+              "<CR>" = "cmp.mapping.confirm({ behavior = cmp.ConfirmBehavior.Insert, select = true })";
+              "<Tab>" =
+                # lua
+                ''
+                  function(fallback)
+                    if cmp.visible() then
+                      cmp.select_next_item()
+                    elseif require("luasnip").expand_or_jumpable() then
+                      vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-expand-or-jump", true, true, true), "")
+                    else
+                      fallback()
+                    end
+                  end
+                '';
+              "<S-Tab>" =
+                # lua
+                ''
+                  function(fallback)
+                    if cmp.visible() then
+                      cmp.select_prev_item()
+                    elseif require("luasnip").jumpable(-1) then
+                      vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-jump-prev", true, true, true), "")
+                    else
+                      fallback()
+                    end
+                  end
+                '';
+            };
+          };
+        };
+
+        ## lsp
+        lsp = {
+          enable = true;
+          servers = {
+            fsautocomplete.enable = true;
+            nixd.enable = true;
+          };
+          keymaps.lspBuf = {
+            "<leader>gd" = "definition";
+            "<leader>gD" = "references";
+            "<leader>gt" = "type_definition";
+            "<leader>gi" = "implementation";
+            "<leader>K" = "hover";
+          };
+        };
+        rust-tools.enable = true;
+
+        ## none-ls
+        none-ls = {
+          enable = true;
+          sources = {
+            diagnostics = {statix.enable = true;};
+            formatting = {
+              nixfmt.enable = true;
+              markdownlint.enable = true;
+              shellharden.enable = true;
+              shfmt.enable = true;
+            };
+          };
+        };
       };
     };
   };