nixos/home-manager/modules/nvim.nix

{ inputs, pkgs, ... }:
{
  imports = [
    inputs.nixvim.homeManagerModules.nixvim
  ];

  # Nixvim
  programs.nixvim = {
    enable = true;
    viAlias = true;
    vimAlias = true;

    keymaps = [
      { 
        action = "<cmd>Oil<cr>";
        key = "<leader>e";
        options = {
          silent = true;
        };
      }
    ];

    options = {
      hlsearch = false;
      incsearch = true;
      number = true;
      relativenumber = true;
      tabstop = 4;
      softtabstop = 4;
      shiftwidth = 4;
      expandtab = true;
      smartindent = true;
      mouse = "";
      breakindent = true;
      undofile = true;
      swapfile = true;
      ignorecase = true;
      smartcase = true;
      signcolumn = "yes";
      completeopt = "menuone,noselect";
      updatetime = 50;
      timeoutlen = 300;
      colorcolumn = "80";
      showmode = false;
      laststatus = 3;
      splitbelow = true;
      splitright = true;
    };

    globals = { 
      mapleader = " ";
      maplocalleader = ";";
    };

    extraConfigLuaPost = ''
      vim.notify = require("mini.notify").make_notify()
      '';
    plugins = {
      harpoon = { 
        enable = true;
        keymaps = {
          addFile = "<leader>a";
          toggleQuickMenu = "<C-e>";
          navFile = { "1" = "<C-j>"; "2" = "<C-k>"; "3" = "<C-l>"; "4" = "<C-;>"; };
        };
      };

      oil = {
        enable = true;
        defaultFileExplorer = true;
        extraOptions = { show_hidden = true; };
      };

      treesitter.enable = true;

      gitsigns = {
        enable = true;
        signs = {
          add.text = "▎";
	      change.text =  "▎";
	      changedelete.text = "▎";
	      delete.text = "▎";
	      topdelete.text = "▎";
	      untracked.text = "▎";
        };
        onAttach.function = ''
          function(buffer)
            local gs = package.loaded.gitsigns
            
            local function map(mode, l, r, desc)
            	vim.keymap.set(mode, l, r, { buffer = buffer, desc = desc })
            end
            
            -- stylua: ignore start
            map("n", "]g", gs.next_hunk, "Next git hunk")
            map("n", "[g", gs.prev_hunk, "Previous git hunk")
          end
          '';
      };

      mini = {
        enable = true;
	    modules = {
          statusline = {
	      set_vim_settings = false;
	      };
	      comment = {};
	      notify = {};
	    };
      };

      telescope = { 
        enable = true;
	    extensions = {
	      fzf-native = {
            enable = true;
            fuzzy = true;
            overrideGenericSorter = true;
            overrideFileSorter = true;
            caseMode = "smart_case";
          };
	      ui-select.enable = true;
	    };
        keymaps = {
          "<leader>pf" = "find_files";
          "<C-p>" = "git_files";
          "<leader>vh" = "help_tags";
          "<leader>ps" = "grep_string";
        };
      };

      lsp = {
        enable = true;
        servers = {
          lua-ls.enable = true;
          nil_ls.enable = true;
          marksman.enable = true;
        };
        keymaps = {
          diagnostic = {
            "<leader>vd" = "open_float";
            "[d" = "goto_next";
            "]d" = "goto_prev";
          };
          lspBuf = {
            K = "hover";
            gd = "definition";
            gD = "declaration";
            gi = "implementation";
            "<leader>lca" = "code_action";
            "<leader>lrn" = "rename";
            "<C-h>" = "signature_help";
          };
        };

        preConfig = ''
          local function sign_define(args)
          	vim.fn.sign_define(args.name, {
          		texthl = args.name,
          		text = args.text,
          		numhl = "",
          	})
          end
          
          sign_define({ name = "DiagnosticSignError", text = "E" })
          sign_define({ name = "DiagnosticSignWarn", text = "W" })
          sign_define({ name = "DiagnosticSignHint", text = "H" })
          sign_define({ name = "DiagnosticSignInfo", text = "I" })
          '';
      };

      nvim-cmp = {
        enable = true;
	    autoEnableSources = true;
	    sources = [
	      {name = "nvim_lsp";}
	      {name = "path";}
          {name = "snippy";}
	    ];
        snippet.expand = "snippy";
	    mapping = {
          "<C-l>" = "cmp.mapping.confirm({ select = false })";
          "<C-j>" = {
            action = ''
              function(fallback)
                if cmp.visible then
                  cmp.select_next_item()
                else
          	  fallback()
                end
              end
            '';
            modes = [ "i" "s" ];
          };
          "<C-k>" = {
            action = ''
              function(fallback)
                if cmp.visible then
                  cmp.select_prev_item()
                else
          	  fallback()
                end
              end
            '';
            modes = [ "i" "s" ];
          };
        };
      };
    };

    colorschemes.catppuccin = {
      enable = true;
      flavour = "frappe";
      styles = {
        functions = [ "bold" ];
        keywords = [ "bold" ];
      };
    };
    extraPlugins = with pkgs.vimPlugins; [
      vim-snippets
    ];
  };
}