init.vim

" >> initialize vim plug (see [1])
" [1] https://github.com/junegunn/vim-plug/wiki/tips#automatic-installation)
let data_dir = has('nvim') ? stdpath('data') . '/site' : '~/.vim'
if empty(glob(data_dir . '/autoload/plug.vim'))
    silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
    autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

" >> load plugins
call plug#begin(stdpath('data') . 'vimplug')
    Plug 'nvim-lua/plenary.nvim'
    Plug 'nvim-lua/popup.nvim'
    Plug 'nvim-telescope/telescope.nvim'
    Plug 'williamboman/mason.nvim'
    Plug 'williamboman/mason-lspconfig.nvim', { 'branch': 'main' }
    Plug 'neovim/nvim-lspconfig'
    Plug 'tami5/lspsaga.nvim', { 'branch': 'main' }
    Plug 'hrsh7th/nvim-compe'
    Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
    Plug 'nvim-treesitter/nvim-treesitter-textobjects'

    Plug 'NTBBloodbath/galaxyline.nvim', { 'branch': 'main' } " Maintained galaxyline fork
    Plug 'kyazdani42/nvim-web-devicons'  " needed for galaxyline icons

    Plug 'NLKNguyen/papercolor-theme'
    Plug 'nikvdp/neomux'

    Plug 'tpope/vim-ragtag'
    Plug 'tpope/vim-surround'
    Plug 'tpope/vim-unimpaired'

    Plug 'tpope/vim-eunuch'
    Plug 'tpope/vim-fugitive'

    Plug 'tomtom/tcomment_vim'
call plug#end()



colorscheme PaperColor

" basic settings
syntax on
set number
set relativenumber
set ignorecase      " ignore case
set smartcase     " but don't ignore it, when search string contains uppercase letters
set nocompatible
set incsearch        " do incremental searching
set visualbell
set expandtab
set tabstop=4
set ruler
set smartindent
set shiftwidth=4
set hlsearch
set virtualedit=all
set backspace=indent,eol,start " allow backspacing over everything in insert mode
set autoindent
set mouse=a  " mouse support


" set leader key to ,
let g:mapleader=","

" >> Telescope bindings
nnoremap <Leader>pp <cmd>lua require'telescope.builtin'.builtin{}<CR>

" most recently used files
nnoremap <Leader>m <cmd>lua require'telescope.builtin'.oldfiles{}<CR>

" find buffer
nnoremap ; <cmd>lua require'telescope.builtin'.buffers{}<CR>

" find in current buffer
nnoremap <Leader>/ <cmd>lua require'telescope.builtin'.current_buffer_fuzzy_find{}<CR>

" bookmarks
nnoremap <Leader>' <cmd>lua require'telescope.builtin'.marks{}<CR>

" git files
nnoremap <Leader>f <cmd>lua require'telescope.builtin'.git_files{}<CR>

" all files
nnoremap <Leader>bfs <cmd>lua require'telescope.builtin'.find_files{}<CR>

" ripgrep like grep through dir
nnoremap <Leader>rg <cmd>lua require'telescope.builtin'.live_grep{}<CR>

" pick color scheme
nnoremap <Leader>cs <cmd>lua require'telescope.builtin'.colorscheme{}<CR>


" >> setup nerdcomment key bindings
let g:NERDCreateDefaultMappings = 0
let g:NERDSpaceDelims = 1

xnoremap <Leader>ci <cmd>call NERDComment('n', 'toggle')<CR>
nnoremap <Leader>ci <cmd>call NERDComment('n', 'toggle')<CR>


" >> Lsp key bindings
nnoremap <silent> gd    <cmd>lua vim.lsp.buf.definition()<CR>
nnoremap <silent> <C-]> <cmd>lua vim.lsp.buf.definition()<CR>
nnoremap <silent> gD    <cmd>lua vim.lsp.buf.declaration()<CR>
nnoremap <silent> gr    <cmd>lua vim.lsp.buf.references()<CR>
nnoremap <silent> gi    <cmd>lua vim.lsp.buf.implementation()<CR>
nnoremap <silent> K     <cmd>Lspsaga hover_doc<CR>
nnoremap <silent> <C-k> <cmd>lua vim.lsp.buf.signature_help()<CR>
nnoremap <silent> <C-p> <cmd>Lspsaga diagnostic_jump_prev<CR>
nnoremap <silent> <C-n> <cmd>Lspsaga diagnostic_jump_next<CR>
nnoremap <silent> gf    <cmd>lua vim.lsp.buf.formatting()<CR>
nnoremap <silent> gn    <cmd>lua vim.lsp.buf.rename()<CR>
nnoremap <silent> ga    <cmd>Lspsaga code_action<CR>
xnoremap <silent> ga    <cmd>Lspsaga range_code_action<CR>
nnoremap <silent> gs    <cmd>Lspsaga signature_help<CR>

lua <<EOF
require("lsp")
require("treesitter")
require("statusbar")
require("completion")
EOF