{ pkgs, ... }:
{
  enable = true;
  defaultEditor = true;

  enableMan = true;

  package = pkgs.unstable.neovim-unwrapped;

  extraConfigLua = ''
    local signs = { Error = "󰀨 ", Warn = " ", Hint = " ", Info = " " }
    for type, icon in pairs(signs) do
    	local hl = "DiagnosticSign" .. type
    	vim.fn.sign_define(hl, { text = icon, texthl= hl, numhl = hl })
    end'';

  diagnostics = {
    virtual_text = {
      prefix = "󰬨";
    };
  };

  opts = {
    mouse = "a";
    number = true;
    softtabstop = 0;
    expandtab = false;
    tabstop = 2;
    shiftwidth = 2;
    smartindent = true;
    list = true;
    listchars = {
      tab = "> ";
      eol = "¬";
      trail = "·";
      nbsp = "•";
    };
    splitright = true;
    splitbelow = true;
    showcmd = true;
    wildmenu = true;
    hlsearch = true;
    autoread = true;
    swapfile = false;
  };

  clipboard = {
    register = "unnamedplus";
    providers.wl-copy.enable = true;
  };

  colorschemes.base16 = {
    enable = true;
    colorscheme = "gruvbox-dark-pale";
  };

  plugins = {
    nvim-tree = {
      enable = true;
      autoClose = true;
      disableNetrw = true;
      hijackCursor = true;
    };

    telescope = {
      enable = true;
    };

    lualine = {
      enable = true;
    };

    treesitter = {
      enable = true;
      settings = {
        auto_install = true;
        highlight = {
          additional_vim_regex_highlighting = true;
          enable = true;
        };
        incremental_selection = {
          enable = true;
          keymaps = {
            init_selection = false;
            node_decremental = "grm";
            node_incremental = "grn";
            scope_incremental = "grc";
          };
        };
        indent = {
          enable = true;
        };
        sync_install = false;
      };
    };

    luasnip = {
      enable = true;
    };

    friendly-snippets = {
      enable = true;
    };

    cmp = {
      enable = true;
      autoEnableSources = true;
      settings = {
        mapping = {
          "<C-b>" = "cmp.mapping.scroll_docs(-4)";
          "<C-f>" = "cmp.mapping.scroll_docs(4)";
          "<C-Space>" = "cmp.mapping.complete()";
          "<C-e>" = "cmp.mapping.abort()";
          "<CR>" = "cmp.mapping.confirm({ select = true })";
          "<Tab>" = ''
            cmp.mapping(function(fallback)
            	if cmp.visible() then
            		cmp.select_next_item()
            	else
            		fallback()
            	end
            end, { "i", "s" })
          '';
          "<S-Tab>" = ''
            cmp.mapping(function(fallback)
            	if cmp.visible() then
            		cmp.select_prev_item()
            	else
            		fallback()
            	end
            end, { "i", "s" })
          '';
        };
        snippet = {
          expand = "function(args) require('luasnip').lsp_expand(args.body) end";
        };
        sources = [
          { name = "nvim_lsp"; }
          { name = "luasnip"; }
          { name = "path"; }
          { name = "buffer"; }
        ];
      };
    };

    lsp = {
      enable = true;
      servers = {
        bashls = {
          enable = true;
          package = pkgs.unstable.bash-language-server;
        };
        clangd.enable = true;
        nixd = {
          enable = true;
          settings.formatting.command = [ "nixfmt" ];
        };
        rust-analyzer = {
          enable = true;
          installCargo = true;
          installRustc = true;
        };
        pyright.enable = true;
        ocamllsp.enable = true;
      };
      keymaps.lspBuf = {
        "gd" = "definition";
        "gD" = "references";
        "gt" = "type_definition";
        "gi" = "implementation";
        "K" = "hover";
        "rn" = "rename";
        "<space>ca" = "code_action";
        "<space>f" = "format";
      };
    };

    lsp-format = {
      enable = true;
    };
  };

  globals = {
    mapleader = ",";
  };

  keymaps = [
    {
      key = "<leader>tf";
      action = "<cmd>NvimTreeToggle<cr>";
      mode = "n";
    }
    {
      key = "<leader>f";
      action = "<cmd>lua require('telescope.builtin').find_files()<cr>";
      mode = "n";
    }
    {
      key = "<space>d";
      action = "<cmd>lua vim.diagnostic.open_float()<cr>";
      mode = "n";
    }
  ];
}