set nocompatible

filetype off

" general settings
set encoding=utf-8
let mapleader=","
set nu
set laststatus=2
set showtabline=2
set hidden
set incsearch

" share system clipboard
set clipboard^=unnamed,unnamedplus


" hide showmode because its in statusline
set noshowmode

" Indent settings - PEP8 compatibility
set expandtab
set autoindent
set tabstop=4
set softtabstop=4
set textwidth=79
set shiftwidth=4
set fileformat=unix

"highlight cursorline cterm=none ctermbg=darkred ctermfg=white guibg=darkred guifg=white
hi cursorline cterm=none term=none ctermbg=236
set cursorline
" vertical column at 79 so you know when to wrap
"set colorcolumn=79

"enable relative line numbers
set number relativenumber

"set highlight cursorcolumn cterm=NONE ctermbg=darkred ctermfg=white guibg=darkred guifg=white
nnoremap <Leader>c :set cursorline! cursorcolumn!<CR>

"toggle search hilight with <leader>h
nnoremap <silent><expr> <Leader>h (&hls && v:hlsearch ? ':nohls' : ':set hls')."\n"

"highlight matching brace when closing brace, flash for 2 tenths
set showmatch
set matchtime=2

syntax on

set foldmethod=indent
set foldlevel=99

" specify the location of the splits
set splitbelow
set splitright

" remap ctrl + hjkl to move between splits
nnoremap <C-j> <C-W><C-J>
nnoremap <C-k> <C-W><C-K>
nnoremap <C-l> <C-W><C-L>
nnoremap <C-h> <C-W><C-H>

" provide movements in Insert mode via the <Alt> modifier key
"inoremap <Esc>h <C-o>h
"inoremap <Esc>j <C-o>j
"inoremap <Esc>k <C-o>k
"inoremap <Esc>l <C-o>l
"inoremap <Esc>w <C-o>w
"inoremap <Esc>b <C-o>b
"inoremap <Esc>x <C-o>x

" fix alt meta mappings in rxvt
"inoremap <A-h> <ESC>a

" map ctrl-p to fzf 
nnoremap <C-p> :Files<CR>

" use jj (et al) to escape insert mode 
inoremap jj <Esc>
inoremap jk <Esc>
inoremap kj <Esc>

" blank lines
nnoremap <Enter> o<ESC>
nnoremap <S-Enter> O<ESC>

nnoremap <leader>l :ls<CR>:b<Space>
nnoremap <Tab> :bnext<CR>
nnoremap <S-Tab> :bprev<CR>

"""""""""""""""""""""""""""""""""""""""
" nnn - using nnn file manager
"""""""""""""""""""""""""""""""""""""""
"map <C-n> :NnnPicker<CR>
"" Opens the nnn window in a split
"let g:nnn#layout = { 'left': '~30%' } " or right, up, down

map <C-n> :NERDTreeToggle<CR>

"lightline colorscheme
let g:lightline = {'colorscheme': 'powerline',}

"vim-jedi auto-select first, saves a keystroke
let g:jedi#popup_select_first = 0

call plug#begin('~/.vim/plugged') " vim-plug 

Plug 'tpope/vim-fugitive'
Plug 'vim-scripts/indentpython.vim'
Plug 'scrooloose/syntastic'
Plug 'nvie/vim-flake8'    " PEP 8 checking plugin
Plug 'itchyny/lightline.vim'
Plug 'taohexxx/lightline-buffer'
Plug 'davidhalter/jedi-vim'
Plug 'tpope/vim-surround'
Plug 'wellle/targets.vim'
Plug 'junegunn/goyo.vim'
Plug 'junegunn/fzf.vim'
Plug 'scrooloose/nerdtree'

call plug#end() " end vim-plug

filetype plugin indent on    " required

" use lightline-buffer in lightline
let g:lightline = {
    \ 'tabline': {
    \   'left': [ [ 'bufferinfo' ],
    \             [ 'separator' ],
    \             [ 'bufferbefore', 'buffercurrent', 'bufferafter' ], ],
    \   'right': [ [ 'close' ], ],
    \ },
    \ 'component_expand': {
    \   'buffercurrent': 'lightline#buffer#buffercurrent',
    \   'bufferbefore': 'lightline#buffer#bufferbefore',
    \   'bufferafter': 'lightline#buffer#bufferafter',
    \ },
    \ 'component_type': {
    \   'buffercurrent': 'tabsel',
    \   'bufferbefore': 'raw',
    \   'bufferafter': 'raw',
    \ },
    \ 'component_function': {
    \   'bufferinfo': 'lightline#buffer#bufferinfo',
    \ },
    \ 'component': {
    \   'separator': '',
    \ },
    \ }