init.vim

""" Optixal's Neovim Init.vim

""" Vim-Plug
call plug#begin()

" Core (treesitter, nvim-lspconfig, nvim-cmp, nvim-telescope, nvim-lualine)
Plug 'nvim-treesitter/nvim-treesitter', { 'do': ':TSUpdate' }
Plug 'nvim-treesitter/playground'
Plug 'neovim/nvim-lspconfig'
Plug 'hrsh7th/cmp-nvim-lsp'
Plug 'hrsh7th/cmp-buffer'
Plug 'hrsh7th/cmp-path'
Plug 'hrsh7th/cmp-cmdline'
Plug 'hrsh7th/nvim-cmp'
Plug 'hrsh7th/cmp-vsnip'
Plug 'hrsh7th/vim-vsnip'
Plug 'hrsh7th/cmp-nvim-lsp-signature-help'
Plug 'nvim-lua/plenary.nvim'
Plug 'nvim-telescope/telescope.nvim'
Plug 'nvim-telescope/telescope-fzf-native.nvim', { 'do': 'make' }
Plug 'nvim-lualine/lualine.nvim'
Plug 'kyazdani42/nvim-web-devicons'
Plug 'kyazdani42/nvim-tree.lua'

" Functionalities
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-sensible'
Plug 'tpope/vim-surround'
Plug 'mhinz/vim-signify'
Plug 'jiangmiao/auto-pairs'
Plug 'alvan/vim-closetag'
Plug 'tpope/vim-abolish'
Plug 'junegunn/vim-easy-align'
Plug 'scrooloose/nerdcommenter'
Plug 'Yggdroot/indentLine'
Plug 'chrisbra/Colorizer'
Plug 'KabbAmine/vCoolor.vim'
Plug 'dkarter/bullets.vim'
Plug 'wellle/context.vim'
Plug 'antoinemadec/FixCursorHold.nvim'

" Functionalities - Python
Plug 'psf/black', { 'branch': 'stable' }
Plug 'heavenshell/vim-pydocstring'

" Aesthetics - Colorschemes
Plug 'dracula/vim', { 'as': 'dracula' }
Plug 'zaki/zazen'
Plug 'yuttie/hydrangea-vim'

" Aesthetics - Others
Plug 'junegunn/rainbow_parentheses.vim'
Plug 'junegunn/limelight.vim'
Plug 'junegunn/vim-journal'

call plug#end()

""" Main Configurations
filetype plugin indent on
set tabstop=4 softtabstop=4 shiftwidth=4 expandtab smarttab autoindent
set incsearch ignorecase smartcase hlsearch
set wildmode=longest,list,full wildmenu
set ruler laststatus=2 showcmd showmode
set list listchars=trail:»,tab:»-
set fillchars+=vert:\ 
set wrap breakindent
set encoding=utf-8
set textwidth=0
set hidden
set number
set title

""" Filetype-Specific Configurations

" HTML, XML, Jinja
autocmd FileType html setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType css setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType xml setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType htmldjango setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType htmldjango inoremap {{ {{  }}<left><left><left>
autocmd FileType htmldjango inoremap {% {%  %}<left><left><left>
autocmd FileType htmldjango inoremap {# {#  #}<left><left><left>

" Markdown and Journal
autocmd FileType markdown setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType journal setlocal shiftwidth=2 tabstop=2 softtabstop=2

""" Coloring

" Functions and autocmds to run whenever changing colorschemes
function! TransparentBackground()
    highlight Normal guibg=NONE ctermbg=NONE
    highlight LineNr guibg=NONE ctermbg=NONE
    set fillchars+=vert:\│
    highlight WinSeparator gui=NONE guibg=NONE guifg=#444444 cterm=NONE ctermbg=NONE ctermfg=gray
    highlight VertSplit gui=NONE guibg=NONE guifg=#444444 cterm=NONE ctermbg=NONE ctermfg=gray
endfunction

" Use these colors for Pmenu, CmpPmenusBorder and TelescopeBorder when using dracula colorscheme
function! DraculaTweaks()
    " Pmenu colors when not using bordered windows
    highlight Pmenu guibg=#363948
    highlight PmenuSbar guibg=#363948
    " Completion/documentation Pmenu border color when using bordered windows
    highlight link CmpPmenuBorder NonText
    " Telescope borders
    highlight link TelescopeBorder Constant
endfunction

augroup MyColors
    autocmd!
    autocmd ColorScheme dracula call DraculaTweaks()
    "autocmd ColorScheme * call TransparentBackground() " uncomment if you are using a translucent terminal and you want nvim to use that
augroup END

color dracula
set termguicolors

""" Core plugin configuration (vim)

" Treesitter
augroup DraculaTreesitterSourcingFix
    autocmd!
    autocmd ColorScheme dracula runtime after/plugin/dracula.vim
    syntax on
augroup end

" nvim-cmp
set completeopt=menu,menuone,noselect

" signify
let g:signify_sign_add = '│'
let g:signify_sign_delete = '│'
let g:signify_sign_change = '│'
hi DiffDelete guifg=#ff5555 guibg=none

" indentLine
let g:indentLine_char = '▏'
let g:indentLine_defaultGroup = 'NonText'
" Disable indentLine from concealing json and markdown syntax (e.g. ```)
let g:vim_json_syntax_conceal = 0
let g:vim_markdown_conceal = 0
let g:vim_markdown_conceal_code_blocks = 0

" FixCursorHold for better performance
let g:cursorhold_updatetime = 100

" context.vim
let g:context_nvim_no_redraw = 1

" Neovim :Terminal
tmap <Esc> <C-\><C-n>
tmap <C-w> <Esc><C-w>
"tmap <C-d> <Esc>:q<CR>
autocmd BufWinEnter,WinEnter term://* startinsert
autocmd BufLeave term://* stopinsert

" Python
let g:python3_host_prog = '~/.config/nvim/env/bin/python3'
let g:pydocstring_doq_path = '~/.config/nvim/env/bin/doq'

""" Core plugin configuration (lua)
lua << EOF
servers = {
    'pyright',
    --'tsserver', -- uncomment for typescript. See https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md for other language servers
}
require('treesitter-config')
require('nvim-cmp-config')
require('lspconfig-config')
require('telescope-config')
require('lualine-config')
require('nvim-tree-config')
require('diagnostics')
EOF

""" Custom Functions

" Trim Whitespaces
function! TrimWhitespace()
    let l:save = winsaveview()
    %s/\\\@<!\s\+$//e
    call winrestview(l:save)
endfunction

""" Custom Mappings (vim) (lua custom mappings are within individual lua config files)

" Core
let mapleader=","
nmap <leader>q :NvimTreeFindFileToggle<CR>
nmap \ <leader>q
nmap <leader>r :so ~/.config/nvim/init.vim<CR>
nmap <leader>t :call TrimWhitespace()<CR>
xmap <leader>a gaip*
nmap <leader>a gaip*
nmap <leader>h :RainbowParentheses!!<CR>
nmap <leader>j :set filetype=journal<CR>
nmap <leader>k :ColorToggle<CR>
nmap <leader>l :Limelight!!<CR>
xmap <leader>l :Limelight!!<CR>
nmap <silent> <leader><leader> :noh<CR>
nmap <Tab> :bnext<CR>
nmap <S-Tab> :bprevious<CR>
nmap <leader>$s <C-w>s<C-w>j:terminal<CR>:set nonumber<CR><S-a>
nmap <leader>$v <C-w>v<C-w>l:terminal<CR>:set nonumber<CR><S-a>

" Python
autocmd Filetype python nmap <leader>d <Plug>(pydocstring)
autocmd FileType python nmap <leader>p :Black<CR>

" Solidity (requires: npm install --save-dev prettier prettier-plugin-solidity)
autocmd Filetype solidity nmap <leader>p :0,$!npx prettier %<CR>

" Telescope mappings
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>fc <cmd>Telescope colorscheme<cr>
nnoremap <leader>f/ <cmd>Telescope current_buffer_fuzzy_find<cr>