niksos/modules/tui/neovim.nix

{
    config,
    inputs,
    lib,
    pkgs,
    ...
}: with lib; let
    cfg = config.myOptions.programs.neovim;
    inherit (config.myOptions.other.system) username;
in {
    options.myOptions.programs.neovim.enable = mkEnableOption "neovim";

    config = mkIf cfg.enable {
        environment.sessionVariables = {
            EDITOR = "nvim";
        };

        home-manager.users.${username} = {
            imports = [ inputs.nvf.homeManagerModules.default ];

            programs.neovim-flake = {
                enable = true;
                settings.vim = {
                    package = inputs.neovim-nightly-overlay.packages.${pkgs.system}.neovim;
                    viAlias = false;
                    vimAlias = false;
                    enableLuaLoader = true;
                    scrollOffset = 7;
                    preventJunkFiles = true;
                    tabWidth = 4;
                    autoIndent = false;
                    cmdHeight = 1;
                    useSystemClipboard = false;

                    # a fix for the weird treesitter thingy
                    syntaxHighlighting = false;

                    theme = {
                        enable = true;
                        name = "catppuccin";
                        style = "mocha";
                        transparent = true;
                    };

                    maps = {
                        normal = {
                            "<leader>v" = {
                                action = "<CMD>Neotree toggle<CR>";
                                silent = true;
                            };
                            "<leader>m" = {
                                action = "<CMD>MarkdownPreviewToggle<CR>";
                                silent = true;
                            };
                        };
                    };

                    filetree.neo-tree = {
                        enable = true;
                    };

                    statusline.lualine = {
                        enable = true;
                        theme = "catppuccin";
                    };

                    extraPlugins = with pkgs.vimPlugins; {
                        zen-mode.package = zen-mode-nvim;
                    };

                    treesitter = {
                        enable = true;
                        fold = true;
                        context.enable = true;
                    };

                    autocomplete = {
                        enable = true;
                        alwaysComplete = false;
                    };

                    # TODO neo-tree

                    terminal.toggleterm = {
                        enable = true;
                        setupOpts.direction = "float";
                        mappings.open = "<C-\>";
                        # TODO shading_factor
                        # TODO shade_terminals
                        # TODO size
                    };

                    git = {
                        enable = true;
                        gitsigns = {
                            enable = true;
                            # TODO enable / disable all the settings
                        };
                    };

                    lsp = {
                        enable = true;
                        lspSignature.enable = true;
                        lspconfig.enable = true;
                        lsplines.enable = true;
                        mappings = {
                            addWorkspaceFolder = "<leader>wa";
                            codeAction = "<leader>a";
                            format = "<C-f>";
                            goToDeclaration = "gD";
                            goToDefinition = "gd";
                            hover = "K";
                            listImplementations = "gi";
                            listReferences = "gr";
                            listWorkspaceFolders = "<leader>wl";
                            nextDiagnostic = "<leader>k";
                            previousDiagnostic = "<leader>j";
                            openDiagnosticFloat = "<leader>e";
                            removeWorkspaceFolder = "<leader>wr";
                            renameSymbol = "<leader>r";
                            signatureHelp = "<C-k>";
                        };
                    };

                    languages = {
                        enableDAP = true;
                        enableExtraDiagnostics = true;
                        enableFormat = true;
                        enableLSP = true;
                        enableTreesitter = true;
                        bash.enable = true;
                        clang = {
                            enable = true;
                            cHeader = true;
                        };
                        java.enable = true;
                        markdown.enable = true;
                        nix.enable = true;
                        rust = {
                            enable = true;
                            crates.enable = true;
                        };
                    };

                    utility = {
                        motion.leap.enable = true;
                        preview.markdownPreview.enable = true;
                        # TODO settings.theme = "dark";
                    };
                    visuals.fidget-nvim.enable = true;

                    # TODO laytan/cloak.nvim

                    telescope.enable = true;

                    comments.comment-nvim.enable = true;

                    # TODO learn and add harpoon
                };
            };
        };
    };
}