nixfiles/modules/graphical/nixvim.nix

{ config, lib, pkgs, inputs, ... }: {
  config = lib.mkIf config.kyouma.graphical.enable {
    home-manager.users.emily.imports = [
      inputs.nixvim.homeManagerModules.nixvim
    ];
    home-manager.users.emily.programs.nixvim = {
      enable = true;
      extraPlugins = [
        pkgs.vimPlugins.molokai
        pkgs.vimPlugins.vim-airline-themes
      ];
      colorscheme = "molokai";
      vimAlias = true;
      highlightOverride.Normal = {
        ctermbg = "NONE";
        bg = "NONE";
      };
      opts = {
        number = true;
        expandtab = true;
        autoindent = true;
        mouse = "";
        encoding = "utf-8";
        shiftwidth = 2;
        smartindent = true;
        tabstop = 2;
        ignorecase = true;
        incsearch = true;
        smartcase = true;
      };
      keymaps = [
        {
          action = "<cmd>Neotree toggle<CR>";
          key = "<C-n>";
          mode = "n";
          options.silent = true;
        }
        {
          action = "<C-\\><C-n>";
          key = "<esc>";
          mode = "t";
        }
      ];
      plugins.cmp = {
        enable = true;
        settings.sources = [
          { name = "nvim_lsp"; }
          { name = "luasnip"; }
          { name = "buffer"; }
          { name = "nvim_lua"; }
          { name = "path"; }
        ];
        settings.formatting = {
          fields = [ "abbr" "kind" "menu" ];
          format = ''
            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
          '';
        };
        settings.snippet.expand = "function(args) require('luasnip').lsp_expand(args.body) end";
        settings.window = {
          completion = {
            winhighlight = "FloatBorder:CmpBorder,Normal:CmpPmenu,CursorLine:CmpSel,Search:PmenuSel";
            scrollbar = false;
            sidePadding = 0;
            border = [ "╭" "─" "╮" "│" "╯" "─" "╰" "│" ];
          };
          documentation = {
            border = [ "╭" "─" "╮" "│" "╯" "─" "╰" "│" ];
            winhighlight = "FloatBorder:CmpBorder,Normal:CmpPmenu,CursorLine:CmpSel,Search:PmenuSel";
          };
        };
        settings.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>" = ''
            cmp.mapping(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,{"i","s"})
          '';
          "<S-Tab>" = ''
            cmp.mapping(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,{"i","s"})
          '';
        };
      };
      plugins.lsp = {
        enable = true;
        keymaps.lspBuf = {
          "K" = "hover";
          "gd" = "definition";
          "gD" = "references";
          "gt" = "type_definition";
          "gi" = "implementation";
        };
        servers = {
          bashls.enable = true;
          lua-ls.enable = true;
          nil-ls = {
            enable = true;
            settings.formatting.command = [ "nixfmt" "-w" "140" ];
          };
          nixd = {
            enable = false;
            settings = {
              eval.depth = 5;
              eval.workers = 6;
              formatting.command = [ "nixfmt" "-w" "140" ];
              options.enable = true;
            };
          };
          ruff-lsp.enable = true;
          rust-analyzer = {
            enable = true;
            installRustc = true;
            installCargo = true;
          };
        };
      };
      plugins.none-ls = {
        enable = true;
        sources.diagnostics = {
          pylint.enable = true;
          statix.enable = true;
        };
        sources.formatting = {
          nixfmt.enable = true;
          markdownlint.enable = true;
        };
      };
      plugins.neo-tree = {
        enable = true;
        closeIfLastWindow = true;
      };
      plugins.treesitter = {
        enable = true;
        nixGrammars = true;
        settings.indent.enable = true;
      };
      plugins.airline.enable = true;
      plugins.cmp-buffer.enable = true;
      plugins.cmp-emoji.enable = true;
      plugins.cmp-nvim-lsp.enable = true;
      plugins.cmp-path.enable = true;
      plugins.cmp_luasnip.enable = true;
      plugins.luasnip.enable = true;
      plugins.nvim-autopairs.enable = true;
      plugins.rainbow-delimiters.enable = true;
      # Broken
      plugins.rustaceanvim.enable = false;
      plugins.treesitter-context.enable = true;
    };
  };
}