{ pkgs, ... }:
let
  customPlugins = {
    vim-zettel = pkgs.vimUtils.buildVimPlugin {
      name = "vim-zettel";
      src = pkgs.fetchFromGitHub {
        owner = "michal-h21";
        repo = "vim-zettel";
        rev = "929d90eec62e6f693c2702d2b6f76a93f2f1689d";
        sha256 = "1fzKmknfVlEYwqeXgbKITbb2/PJ023iJyMz6vak3qh4=";
      };
    };
    lsp-format = pkgs.vimUtils.buildVimPlugin {
      name = "lsp-format";
      src = pkgs.fetchFromGitHub {
        owner = "lukas-reineke";
        repo = "lsp-format.nvim";
        rev = "84e117b99bb2bc0d0c8122e2b256046f046f8aff";
        sha256 = "rs3NTZwWdsmBGXnrgUeVxUiNjbN/ULxJHifPYJD9mT4=";
      };
    };
    nvim-luapad = pkgs.vimUtils.buildVimPluginFrom2Nix {
      name = "nvim-luapad";
      src = pkgs.fetchFromGitHub {
        owner = "rafcamlet";
        repo = "nvim-luapad";
        rev = "9815e2659ce8e2ef4b55e401531cf09b6423e0ea";
        sha256 = "gMaS5YFi3+gmUIfkCMEt9vhm8XSgv54Cquv5+WCWeTo=";
      };
    };
    leap = pkgs.vimUtils.buildVimPluginFrom2Nix {
      name = "leap";
      src = pkgs.fetchFromGitHub {
        owner = "ggandor";
        repo = "leap.nvim";
        rev = "1bb1fec369b1e9ae96e6ff1b829ea9272c51f844";
        sha256 = "dH0v1D5q5OlMLA/omTDMb/taKyIgQ5VfVMYXJ609k/k=";
      };
    };
    nvim-navic = pkgs.vimUtils.buildVimPlugin {
      name = "nvim-navic";
      src = pkgs.fetchFromGitHub {
        owner = "SmiteshP";
        repo = "nvim-navic";
        rev = "096b23e73c84a653fd317c0c10261875fa573a6d";
        sha256 = "vX7ZVJxgatIicmijehtaRvyHxk1i4gFfXrbPM/+VoFc=";
      };
    };
    my-lualine-nvim = pkgs.vimUtils.buildVimPluginFrom2Nix {
      pname = "lualine.nvim";
      version = "2022-05-13";
      src = pkgs.fetchFromGitHub {
        owner = "nvim-lualine";
        repo = "lualine.nvim";
        rev = "a4e4517ac32441dd92ba869944741f0b5f468531";
        sha256 = "18q935aicddai7j99ln61wz1di6lhwzs11x8fxgq704kfap1l2fj";
      };
      meta.homepage = "https://github.com/nvim-lualine/lualine.nvim/";
    };
    my-which-key-nvim = pkgs.vimUtils.buildVimPluginFrom2Nix {
      pname = "which-key.nvim";
      version = "2022-05-04";
      src = pkgs.fetchFromGitHub {
        owner = "folke";
        repo = "which-key.nvim";
        rev = "bd4411a2ed4dd8bb69c125e339d837028a6eea71";
        sha256 = "0vf685xgdb967wmvffk1pfrvbhg1jkvzp1kb7r0vs90mg8gpv1aj";
      };
      meta.homepage = "https://github.com/folke/which-key.nvim/";
    };
    my-conjure = pkgs.vimUtils.buildVimPluginFrom2Nix {
      pname = "conjure";
      version = "2022-05-04";
      src = pkgs.fetchFromGitHub {
        owner = "olical";
        repo = "conjure";
        rev = "2e7f449d06753f2996e186954e96afc60edd5862";
        sha256 = "ZV0vPYiZI5/3Isw2l7rrLuiO+kA9G0vrA6OxHFkLTFw=";
      };
    };
    scnvim = pkgs.vimUtils.buildVimPluginFrom2Nix {
      pname = "scnvim";
      version = "2022-06-04";
      src = pkgs.fetchFromGitHub {
        owner = "davidgranstrom";
        repo = "scnvim";
        rev = "746cc0db820d02a9c36b8f9ba2eac9725fa73107";
        sha256 = "kvSwS6FNUY2Ue84NhWLLcm0ldLMSp4WqQ7s6TUoX6Cc=";
      };
    };
    yuck-vim = pkgs.vimUtils.buildVimPluginFrom2Nix {
      pname = "yuck.vim";
      version = "2021-08-09";
      src = pkgs.fetchFromGitHub {
        owner = "elkowar";
        repo = "yuck.vim";
        rev = "6dc3da77c53820c32648cf67cbdbdfb6994f4e08";
        sha256 = "lp7qJWkvelVfoLCyI0aAiajTC+0W1BzDhmtta7tnICE=";
      };
    };
    nvim-parinfer = pkgs.vimUtils.buildVimPluginFrom2Nix {
      pname = "nvim-parinfer";
      version = "v1.2.0";
      src = pkgs.fetchFromGitHub {
        owner = "gpanders";
        repo = "nvim-parinfer";
        rev = "82bce5798993f4fe5ced20e74003b492490b4fe8";
        sha256 = "Dlzfp3CZTzq8zQeHByWf3ER6/Em+KNGYNI4Z17ui8Lc=";
      };
    };
  };

  my-python-packages = python-packages: with python-packages; [
    tasklib
    pynvim
    six
    python-lsp-server
    python-lsp-black
    pylsp-mypy
    black
    # other python packages you want
  ];
  python-with-my-packages = pkgs.python3.withPackages my-python-packages;
in
{
  home.sessionVariables.EDITOR = "nvim";
  home.shellAliases = {
    k = "cd ~/kitaab/vimwiki; vim -c :VimwikiIndex; cd $OLDPWD";
    kz = "cd ~/kitaab/vimwiki; vim -c :VimwikiIndex -c :ZettelNew; cd $OLDPWD";
  };
  # Add %update to the highlight clause for vimwiki files
  home.file.".config/nvim/after/syntax/vimwiki.vim".text = ''
    " match with %update
    syntax match VimwikiPlaceholder /^\s*%update\ze\%(\s.*\)\?$/ nextgroup=VimwikiPlaceholderParam skipwhite
  '';

  #environment.systemPackages = with customPlugins; [ tidal ];
  programs.neovim = {
    enable = true;

    extraConfig = ''
      " so our custom files still get included
      set runtimepath+=/home/anish/.config/nvim/
      set tabstop=2
      set showmatch
      set shiftwidth=2
      set noexpandtab
      set autoindent
      set undofile
      set signcolumn=auto:4
      set title

      " set foldmethod=indent    " fold based on indent
      set number
      set nocompatible
      set relativenumber
      set showtabline=2
      set noexpandtab
      set autowriteall
      set list lcs=tab:\|\ 
      filetype plugin on

      " include - in word to move across easier in lisp / clojure
      set iskeyword+=-

      set termguicolors
      colorscheme ayu-mirage

      " set spell
      set spelllang=en_gb
      set ignorecase
      set smartcase
      set incsearch
      " if hidden is not set, TextEdit might fail.
      set hidden
      " Some servers have issues with backup files, see #649
      set nobackup
      set nowritebackup
      " Better display for messages
      set cmdheight=2
      " You will have bad experience for diagnostic messages when it's default 4000.
      set updatetime=300
      " don't give |ins-completion-menu| messages.
      set shortmess+=c
      " always show signcolumns
      set signcolumn=yes
      " highlight row
      set cursorline

      let mapleader = "\<Space>"
      let maplocalleader = ","

      " window
      nmap <leader>wh :topleft  vnew<CR>
      nmap <leader>wl :botright vnew<CR>
      nmap <leader>wk :topleft  new<CR>
      nmap <leader>wj :botright new<CR>

      " tabs
      nmap <leader>rt :retab!<CR>
      vmap <leader>rt :retab!<CR>

      " moving splits with vim movements.
      :tnoremap <A-h> <C-\><C-N><C-w>h
      :tnoremap <A-j> <C-\><C-N><C-w>j
      :tnoremap <A-k> <C-\><C-N><C-w>k
      :tnoremap <A-l> <C-\><C-N><C-w>l
      :inoremap <A-h> <C-\><C-N><C-w>h
      :inoremap <A-j> <C-\><C-N><C-w>j
      :inoremap <A-k> <C-\><C-N><C-w>k
      :inoremap <A-l> <C-\><C-N><C-w>l
      :nnoremap <A-h> <leader>h
      :nnoremap <A-j> <leader>j
      :nnoremap <A-k> <leader>k
      :nnoremap <A-l> <leader>l
      :nnoremap <F5> "=strftime("%Y-%m-%d %H:%M")<CR>
      :inoremap <F5> <C-R>=strftime("%Y-%m-%d %H:%M")<CR>
      :inoremap <F4> <C-R>=strftime("%H:%M")<CR>

      " tidal nvim terminal
      let g:tidal_target = "terminal"

      " telescope
      " Find files using Telescope command-line sugar.
      nnoremap <leader>ff <cmd>Telescope find_files<cr>
      nnoremap <leader>fg <cmd>Telescope live_grep<cr>
      nnoremap <leader>fb <cmd>Telescope buffers<cr>
      nnoremap <leader>fh <cmd>Telescope help_tags<cr>
      nnoremap <leader>ft <cmd>Telescope tags<cr>

      " exit normal mode in terminal
      :tnoremap <C-n> <C-\><C-n>

      " Sexp in Conjure (since it's fennel)
      let g:sexp_filetypes = "clojure,scheme,lisp,janet,fennel,yuck" 
      let g:conjure#filetype#fennel = "conjure.client.fennel.stdio"

      let g:rainbow_active = 0
      autocmd BufReadPost,BufNewFile c,clj,cljs RainbowParenthesesToggleAll

      " general commands
      map <leader>t :NERDTreeToggle<CR>
      map <leader>s :w<CR>
      map <leader>q :q<CR>
      map <leader>r :RainbowParenthesesToggleAll<CR>
      map <leader><BS> :noh<CR>
      map Q <Nop>
      nnoremap Y y$
      nnoremap <leader>n :vnew<CR>
      " center moving
      nnoremap n nzzzv
      nnoremap N Nzzzv
      nnoremap J mzJ'z
      " undo points
      inoremap , ,<c-g>u
      inoremap . .<c-g>u
      inoremap ? ?<c-g>u
      inoremap ! !<c-g>u
      inoremap ) )<c-g>u
      inoremap [ [<c-g>u
      inoremap ] ]<c-g>u
      inoremap { {<c-g>u
      inoremap ( (<c-g>u
      inoremap } }<c-g>u
      " moving text
      vnoremap J :m '>+1<CR>gv=gv
      vnoremap K :m '>-2<CR>gv=gv
      inoremap <c-j> <esc>:m .+1<CR>==
      inoremap <c-k> <esc>:m .-2<CR>==
      nnoremap <leader>j <esc>:m .+1<CR>==
      nnoremap <leader>k <esc>:m .-2<CR>==
      " Pasting 
      :map <leader>sy :!xclip -i<CR><CR>
      :vmap <leader>sy "*y
      :map <leader>sp :r!xclip -o<CR>

      " barbar
      nnoremap <silent> gT :BufferPrevious<CR>
      nnoremap <silent> gt :BufferNext<CR>
      nnoremap <silent> gj :BufferPick<CR>
      nnoremap <silent> gq :BufferClose<CR>

      " git
      nnoremap <leader>ga :G fetch --all
      nmap <leader>gs :G<CR>
      nmap <leader>gl :diffget //3<CR>
      nmap <leader>gh :diffget //2<CR>
      nmap <leader>gb :GBranches<CR>
      nnoremap <leader>gp :Git! push<CR>
      nnoremap <leader>gd :Gdiff<CR>
      nnoremap <leader>gc :G commit -v -q %:p<CR>

      " kitaab
      map <leader>cz :VimwikiIndex<CR>:ZettelNew
      map <leader>zs :ZettelSearch<CR>
      map <leader>zn :ZettelNew<CR>
      map <leader>zo :ZettelOpen<CR>
      map <leader>zf :Telescope oldfiles only_cwd=true<CR>
      map <leader>wt :VimwikiMakeTomorrowDiaryNote
      map <leader>wd :VimwikiMakeYesterdayDiaryNote
      map <leader>zd :Goyo<CR>:lua require('cmp').setup.buffer { enabled = false }<CR>
      let g:vimwiki_list = [{ 'path': '~/kitaab/vimwiki', 'auto_tags': 1, 'auto_diary_index': 1, 'auto_generate_links': 1 }]
      let g:sync_taskwarrior = 0
      let g:zettel_format = "%y%m%d-%H%M"
      let g:vimwiki_list = [{'path': '~/kitaab/vimwiki', 'nested_syntaxes': {'python': 'python', 'c++': 'cpp', 'nix': 'nix', 'bash': 'sh'}}]

      let g:mapleader="\<Space>"

      " fzf
      " not sure we even use this
      let g:fzf_layout = { 'window': { 'width': 0.8, 'height': 0.8 } }

      " lsp commands
      nnoremap <leader>vd :lua vim.lsp.buf.definition()<CR>
      nnoremap <leader>vi :lua require('telescope.builtin').lsp_implementation()<CR>
      nnoremap <leader>vsh :lua vim.lsp.buf.signature_help()<CR>
      nnoremap <leader>vrr :lua require('telescope.builtin').lsp_references()<CR>
      nnoremap <leader>vrn :lua vim.lsp.buf.rename()<CR>
      nnoremap <leader>vh :lua vim.lsp.buf.hover()<CR>
      nnoremap <leader>vca :lua vim.lsp.buf.code_action()<CR>
      nnoremap <leader>vsd :lua rim.lsp.diagnostic.show_line_diagnostics(); vim.lsp.util.show_line_diagnostics()<CR>
      nnoremap <leader>vn :lua vim.lsp.diagnostic.goto_next()<CR>
      nnoremap <leader>vll :call LspLocationList()<CR>
      nnoremap <leader>va :lua require('telescope.builtin').lsp_code_actions(require('telescope.themes').get_cursor())<cr>

      " dashboard
      let g:dashboard_custom_header = [
      \' ',
      \'      ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣤⣦⠀⠀⠀⠀⠀⠀⠀⠀⠀⣤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⣿⠁⠀⠀⠀⠀⠀⠀⠀⢠⣿⣶⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⣧⠀⠀⠀⠀⠀⠀⠀⠀⢻⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⢴⣷⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⡀⠀⠀⠀⠀⠀⠀⠀⠘⠀⠀⠀⠀⠀⠀⠀⠀⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⡆⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠈⢿⣧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣿⠟⠉⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⠻⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠶⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⢀⣀⡤⠤⠤⠖⣒⠒⡖⠲⡦⣤⣄⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣤⣤⣤⣤⣤⣀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⣠⢶⠉⠩⢀⣠⡤⠤⠯⠬⠥⣼⣅⡃⠸⠉⠛⡷⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣤⢶⢻⢻⢹⣃⣨⣧⣤⣴⣹⣉⠛⢶⣄⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⣰⠞⠁⢈⡤⠚⠉⠀⠀⠘⣆⡀⠀⡀⠀⠉⠙⠲⢼⣰⢡⣟⢶⣄⠀⠀⠀⠀⠀⠀⠀⢀⣠⠶⡟⣇⣺⠾⠋⠉⠁⠀⠀⠀⠀⠀⠉⠙⠳⢿⣷⣄⠀⠀⠀⠀      ',
      \'⠀⢀⡼⡁⢸⣰⠏⠀⠀⠀⠀⠀⠀⠘⡞⠀⠀⠀⠀⠀⠀⠀⠉⠻⣿⡞⡼⣷⣄⠀⠀⠀⣠⣾⠛⠄⣷⠟⠋⠀⠀⠀⠀⠀⠀⠀⢀⣀⠀⠀⠀⢠⠀⠈⠻⣧⠀⠀⠀      ',
      \'⠀⡼⠁⢀⡼⠁⠀⠀⠀⣀⠤⠖⠛⠛⠛⠛⠓⠲⠤⣄⡀⠀⠀⠀⠀⠻⢷⣿⣿⣷⣤⣾⠹⢌⡷⠛⠁⠀⠀⠀⠀⣀⡤⠔⠛⠉⠉⠈⠉⠛⠲⣄⣇⠀⠀⠙⣷⠀⠀      ',
      \'⢰⠷⣀⡜⠁⠀⠀⢀⠞⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠲⣤⡀⢀⡤⠚⢻⣿⣿⢣⢈⡴⠋⠀⠀⠀⠀⣠⠔⠋⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢻⡇⠀⠀⠘⣇⠀      ',
      \'⣾⣇⣹⢃⡀⠀⢀⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢿⣷⣾⣞⡇⢹⡼⠋⠀⠀⠀⢠⡴⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⠀⠀⠀⢹⠀      ',
      \'⢹⢀⣿⠘⡇⠀⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡴⢟⢱⢹⡾⠋⠀⠀⠀⣠⣾⣿⣦⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠀⠀⠀⢸⡀      ',
      \'⢸⣅⣯⠀⣆⠀⢸⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡴⢻⣹⢸⡼⠋⠀⠀⠀⢀⡼⢻⣻⣿⡽⡹⠳⢤⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡾⠀⠀⠀⢸⠀      ',
      \'⠈⣿⣿⡀⠘⠀⠈⣿⣤⣀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⢾⢻⢿⣿⠟⠋⠀⠀⠀⠀⣠⣟⠘⣿⡏⠋⠻⢥⣃⡎⣽⠻⢦⣄⣀⠀⠀⠀⠀⠀⣀⡴⣾⠃⠀⠀⠀⡼⠀      ',
      \'⠀⠙⣎⣧⠀⠀⠀⠈⢻⣍⠓⠲⣶⣶⣶⣶⡖⢋⣿⣏⡧⠞⠋⠁⠀⠀⠀⢀⣤⠞⠁⠈⠻⣷⣧⠀⡀⠀⠉⠓⢧⣇⢰⢈⠙⢻⠒⡖⢲⠚⣍⡴⠃⠀⠀⠀⣴⠃⠀      ',
      \'⠀⠀⠙⢾⣷⡀⠀⠀⠀⠈⠙⠓⠾⠿⠾⠿⠿⠚⠉⠁⠀⠀⠀⠀⠀⣠⡴⠛⠁⠀⠀⠀⠀⠀⠙⠷⣝⠣⠀⠀⠀⠈⠉⠒⠶⠾⠤⠧⠼⠚⠉⠀⠀⠀⢀⡴⠃⠀⠀      ',
      \'⠀⠀⠀⠀⠙⠿⣦⣀⠀⠀⠀⠀⠀⡄⠀⠀⠀⠀⠀⠀⠀⢀⣠⡴⠞⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠛⠶⣄⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠄⢀⡴⠟⠁⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠈⠛⠒⠤⠤⣄⣀⣀⣀⣠⠤⠤⠶⠛⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠒⠦⠤⢤⣀⣀⣠⡤⠤⠟⠋⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠸⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⡶⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⢷⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⡾⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠻⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⢀⣴⡾⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢿⣦⣀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠘⠻⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣴⠏⠀⠀⠀⠀⠀⠀⠀⠀⠰⡆⠀⠀⠀⠀⠀⠀⠀⠀⠹⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠽⠟⠁⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣼⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⣷⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠿⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \'⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠹⠓⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀      ',
      \]
      let g:dashboard_default_executive = 'telescope'
      nmap <Leader>ss :<C-u>SessionSave<CR>
      nmap <Leader>sl :<C-u>SessionLoad<CR>
      " nnoremap <silent> <Leader>fh :DashboardFindHistory<CR>
      " nnoremap <silent> <Leader>fm :DashboardJumpMark<CR>
      " nnoremap <silent> <Leader>cn :DashboardNewFile<CR>
      autocmd FileType dashboard set showtabline=0 | autocmd WinLeave <buffer> set showtabline=2 
      let g:dashboard_custom_footer = ["Run wild"]
      let g:dashboard_custom_section={
      \ 'create_zettel': {
          \ 'description': [' Create Zettel                 SPC c z'],
          \ 'command': ':VimwikiIndex' },
      \ 'load_session': {
          \ 'description': [' Load Session                 SPC s l'],
          \ 'command': 'SessionLoad' }
      \ }

      let g:scnvim_snippet_format = "luasnip"


      " lua config 
      lua <<EOF
      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
      vim.g.diagnostics_active = true
      function _G.toggle_diagnostics()
        if vim.g.diagnostics_active then
          vim.g.diagnostics_active = false
          vim.lsp.diagnostic.clear(0)
          vim.lsp.handlers["textDocument/publishDiagnostics"] = function() end
        else
          vim.g.diagnostics_active = true
          vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
            vim.lsp.diagnostic.on_publish_diagnostics, {
              virtual_text = true,
              signs = true,
              underline = true,
              update_in_insert = false,
            }
          )
        end
      end

      vim.api.nvim_set_keymap('n', '<leader>vt', ':call v:lua.toggle_diagnostics()<CR>',  {noremap = true, silent = true})

      -- autopairs
      require('nvim-autopairs').setup{}

      -- marks
      require('marks').setup{}

      -- Setup nvim-cmp.
      local has_words_before = function()
        local line, col = unpack(vim.api.nvim_win_get_cursor(0))
        return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
      end

      local luasnip = require("luasnip")
      local lspkind = require("lspkind")
      local cmp = require('cmp')
      local cmp_autopairs = require('nvim-autopairs.completion.cmp')
      local t = function(str)
          return vim.api.nvim_replace_termcodes(str, true, true, true)
      end
      local check_back_space = function()
          local col = vim.fn.col(".") - 1
          return col == 0 or vim.fn.getline("."):sub(col, col):match("%s") ~= nil
      end
      cmp.setup {
          formatting = {
              format = lspkind.cmp_format({
                mode = 'symbol_text', 
                maxwidth = 50, 
              -- old format
              -- format = function(entry, vim_item)
              --     -- fancy icons and a name of kind
              --     vim_item.kind = require("lspkind").presets.default[vim_item.kind] ..
              --                         " " .. vim_item.kind
              --     -- set a name for each source
              --     vim_item.menu = ({
              --         buffer = "[Buffer]",
              --         nvim_lsp = "[LSP]",
              --         look = "[Look]",
              --         path = "[Path]",
              --         spell = "[Spell]",
              --         calc = "[Calc]",
              --     })[entry.source.name]
              --     return vim_item
              -- end
            })
          },
          mapping = {
              ['<C-p>'] = cmp.mapping.select_prev_item(),
              ['<C-n>'] = cmp.mapping.select_next_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 luasnip.expand_or_jumpable() then
                  luasnip.expand_or_jump()
                elseif has_words_before() then
                  cmp.complete()
                else
                    fallback()  
                end
              end, {"i", "s"}),
              ["<S-Tab>"] = cmp.mapping(function(fallback)  
                if cmp.visible() then  
                    cmp.select_prev_item()  
                elseif luasnip.jumpable(-1) then
                  luasnip.jump(-1)
                else  
                    fallback()  
                end  
              end, { "i", "s" }),
          },
          snippet = {
            expand = function(args)
              require'luasnip'.lsp_expand(args.body)
            end
          },
          sources = {
              {name = 'buffer'}, {name = 'nvim_lsp'}, 
              {name = "look"}, {name = "path"},
              {name = "calc"}, {name = "spell"},
              {name = 'cmp-conjure'}, {name = "luasnip"}, 
              {name = 'tags'}
          },
          completion = {completeopt = 'menu,menuone,noinsert'}
      }
      cmp.event:on( 'confirm_done', cmp_autopairs.on_confirm_done({  map_char = { tex = ' ' } }))
      require("luasnip.loaders.from_vscode").lazy_load()

      -- null-ls
      local null_ls = require "null-ls"
      local pyright = {
        cmd = { "pyright" },
        filetypes = { "python", },
        debounce = 250,
        debug = false,
        default_timeout = 5000,
        args = { "-p", "$FILENAME", "--skipunannotated" }
      }
      local sources = {
        pyright,
        null_ls.builtins.code_actions.statix,
        null_ls.builtins.diagnostics.shellcheck,
        -- null_ls.builtins.diagnostics.clj_kondo,
        -- null_ls.builtins.formatting.black,
        null_ls.builtins.code_actions.proselint,
        -- null_ls.builtins.diagnostics.mypy,
      }

      -- Setup lspconfig
      require("lsp-format").setup {}
      require("nvim-navic").setup {}
      local format = require("lsp-format")
      local navic = require("nvim-navic")

      local capabilities = vim.lsp.protocol.make_client_capabilities()
      capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)

      local lspconfig = require('lspconfig')
      local servers = { 'clojure_lsp', 'terraform_lsp', 'zls' }
      for _, lsp in ipairs(servers) do
        lspconfig[lsp].setup {
          on_attach = function(client, bufnr)
            format.on_attach(client)
            navic.attach(client, bufnr)
          end,
          capabilities = capabilities,
        }
      end
      -- rnix doesn't support gps
      require('lspconfig').rnix.setup {
        on_attach = function(client, bufnr)
          format.on_attach(client)
        end,
        capabilities = capabilities,
      }
      require('lspconfig').pylsp.setup {
        on_attach = function(client, bufnr)
          format.on_attach(client)
          navic.attach(client, bufnr)
        end,
        capabilities = capabilities,
        settings = {
          pylsp = {
            configurationSources = { "flake8", "mypy", "black" },
            plugins = {
              black = {enabled = true},
              jedi_signature_help = {enabled = true},
              jedi_completion = { include_params = true },
              pylsp_mypy={ enabled = true },
              pycodestyle={
                enabled=true,
                ignore={'E501', 'E231'},
                maxLineLength=120,
              },
            },
          },
        },
      }

      require('gitsigns').setup { sign_priority=80 }

      -- treesitter
      require('nvim-treesitter.configs').setup { 
        ensure_installed={'nix', 'clojure', 'python', 'fennel', 'lua', 'html', 'css', 'regex', 'supercollider', 'beancount'},
        highlight = { enabled = true, additional_vim_regex_highting = true, },
        textobjects = { enabled = true },
      }
      -- 'glsl' needs c++ compiler lol

      -- lualine
      local navic = require("nvim-navic")
      require('lualine').setup {
        options = { theme = 'ayu' },
        sections = {
          lualine_c = {
              'filename', { navic.get_location, condition=navic.is_available },
          },
          lualine_y = {
            function()
              local msg = 'No Active Lsp'
              local buf_ft = vim.api.nvim_buf_get_option(0, 'filetype')
              local clients = vim.lsp.get_active_clients()
              if next(clients) == nil then
                return msg
              end
              for _, client in ipairs(clients) do
                local filetypes = client.config.filetypes
                if filetypes and vim.fn.index(filetypes, buf_ft) ~= -1 then
                  return client.name
                end
              end
              return msg
            end
            },
          lualine_x = {'filetype'}
        }
      }

      -- nvim-lint
      -- require('lint').linters_by_ft = {
      --   markdown = {'vale'},
      -- }

      -- f_term
      local map = vim.api.nvim_set_keymap
      local opts = { noremap = true, silent = true }
      map('n', '<TAB>', '<CMD>lua require("FTerm").toggle()<CR>', opts)
      map('t', '<A-i>', '<C-\\><C-n><CMD>lua require("FTerm").toggle()<CR>', opts)

      -- Custom functions
      function update_date()
        local time = os.date("%Y-%m-%d %H:%M")
        local message = "%update " .. time
        local lines = vim.api.nvim_buf_get_lines(0, 0,4,false)
        for i=1,4,1 do
          if (lines[i]:len() == 0) then
            vim.api.nvim_buf_set_lines(0, i-1, i, false, {message, ""})
            return
          end
        end
        if (lines[4]:len() ~= 0) then
          vim.api.nvim_buf_set_lines(0, 3, 4, false, {message})
        end
        return
      end

      vim.api.nvim_create_autocmd(
        "BufWritePre", 
        { pattern = { "*.wiki" }, callback = update_date}
      )

      -- set spelling for text files
      vim.api.nvim_create_autocmd(
        { "BufRead", "BufNewFile" },
        { pattern = { "*.wiki", "*.txt", "*.md", "*.tex" }, 
        command = "setlocal spell" }
      )
      vim.api.nvim_create_autocmd(
         "FileType",
        { pattern = { "mail" }, 
        command = "setlocal spell" }
      )

      -- auto session
      require('auto-session').setup {
        log_level = 'info',
        auto_session_suppress_dirs = {'~/'}
      }
      vim.o.sessionoptions="blank,buffers,curdir,folds,help,tabpages,winsize,winpos,terminal"

      require("which-key").setup{}
      require('leap').set_default_keymaps()
      
      -- supercollider
      local scnvim = require 'scnvim'
      local map = scnvim.map
      local map_expr = scnvim.map_expr
      scnvim.setup {
        keymaps = {
          ['<localleader>e'] = map('editor.send_line', {'i', 'n'}),
          ['<localleader>s'] = map_expr('CmdPeriod.run', {'i', 'n'}),
          ['<localleader>t'] = {
            map('editor.send_block', {'i', 'n'}),
            map('editor.send_selection', 'x'),
          },
          ['<CR>'] = map('postwin.toggle'),
          ['<M-CR>'] = map('postwin.toggle', 'i'),
          ['<M-L>'] = map('postwin.clear', {'n', 'i'}),
          ['<C-k>'] = map('signature.show', {'n', 'i'}),
          ['<F12>'] = map('sclang.hard_stop', {'n', 'x', 'i'}),
          ['<leader>st'] = map('sclang.start'),
          ['<leader>sk'] = map('sclang.recompile'),
          ['<F1>'] = map_expr('s.boot'),
          ['<F2>'] = map_expr('s.meter'),
        }
      } 
      -- require("luasnip").add_snippets("supercollider", require("scnvim/utils").get_snippets())
      EOF

    '';
    extraPackages = with pkgs // customPlugins; [
      # used to compile tree-sitter grammar
      tree-sitter
      python-with-my-packages
      nodejs
      clojure-lsp
      rnix-lsp
      terraform-lsp
      clj-kondo
      zls
      gcc
      nodePackages.pyright
      shellcheck
      proselint
      statix
      # installs different langauge servers for neovim-lsp
      # have a look on the link below to figure out the ones for your languages
      # https://github.com/neovim/nvim-lspconfig/blob/master/CONFIG.md
      nodePackages.typescript
      nodePackages.typescript-language-server
    ];
    plugins = with pkgs.vimPlugins // customPlugins; [
      # ui
      fzf-vim
      nerdtree
      neovim-ayu
      goyo-vim
      rainbow_parentheses-vim
      vim-surround
      vim-devicons
      nvim-web-devicons
      vim-peekaboo
      undotree
      telescope-nvim
      plenary-nvim
      nvim-gps
      nvim-treesitter
      nvim-treesitter-context
      FTerm-nvim
      barbar-nvim
      auto-session
      marks-nvim

      # language
      vim-nix
      vim-elixir
      emmet-vim
      csv-vim
      direnv-vim
      zig-vim

      # kitaab stuff
      vimwiki
      taskwiki
      vim-zettel

      # lsp stuff
      # nvim-lint
      null-ls-nvim
      nvim-lspconfig
      nvim-cmp
      cmp-nvim-lsp
      cmp-treesitter
      nvim-lsp-ts-utils
      cmp-conjure
      cmp-buffer
      cmp-path
      cmp-spell
      nvim-autopairs
      cmp_luasnip
      luasnip
      lsp-format
      friendly-snippets
      lspkind-nvim

      # git stuff
      vim-fugitive
      gitsigns-nvim
      fzf-checkout-vim

      # Clojure stuff
      # conjure
      vim-sexp
      vim-sexp-mappings-for-regular-people
      fennel-vim

      vim-tidal
      # experimental 
      nvim-luapad
      nvim-navic
      scnvim
      leap
      vim-beancount
      # TODO break with nvim 0.8.0
      # these are here until i upgrade my nixos channnel in the flake
      my-which-key-nvim
      my-lualine-nvim
      my-conjure
      yuck-vim
      nvim-parinfer
      # vim-processing
    ];
    withPython3 = true;
    extraPython3Packages = pkgs: with pkgs; [ tasklib six ];
    vimAlias = true;
  };
}