" Author : @MineralwaterXu
" Special Thanks : @theniceboy

" ===
" === Auto load for the first time
" ===

if empty(glob('~/.config/nvim/autoload/plug.vim'))
	silent !curl -fLo ~/.config/nvim/autoload/plug.vim --create-dirs
				\ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
	autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif



" ====================
" === Editor Setup ===
" ====================

" ===
" === Editor behavior
" ===

set number
set relativenumber
set cursorline
set wrap
set showcmd
set wildmenu
set hlsearch
set incsearch
set ignorecase
set smartcase



" ===
" === Basic Mappings
" ===

" set <LEADER> as <SPACE>
let mapleader=" "

" syntax
syntax on

" Save & quit
noremap Q :q<CR>
noremap S :w<CR>

" Open the vimrc file anytime
noremap <LEADER>rc :e ~/.config/nvim/init.vim<CR>

" Search
noremap <LEADER><CR> :nohlsearch<CR>



" ===
" === Cursor movement
" ===
"     ^
"     k
" < h   l >
"     j
"     v

" J/K keys for 5 times j/k (faster navigation)
noremap J 5j
noremap K 5k
noremap = nzz
noremap - Nzz



" ===
" === Window management
" ===

" Disable the default s key
noremap s <nop>

" split the screens to up (horizontal), down (horizontal), left (vertical), right (vertical)
map sk :set nosplitbelow<CR>:split<CR>:set splitbelow<CR>
map sj :set splitbelow<CR>:split<CR>
map sh :set nosplitright<CR>:vsplit<CR>:set splitright<CR>
map sl :set splitright<CR>:vsplit<CR>

" Resize splits with arrow keys
map <up> :res +5<CR>
map <down> :res -5<CR>
map <left> :vertical resize-5<CR>
map <right> :vertical resize+5<CR>

" Place the two screens up and down
noremap s[ <C-w>t<C-w>K
" Place the two screens side by side
noremap s] <C-w>t<C-w>H



" ===
" === MarkdownPreview Mappings
" ===
nmap <LEADER>mp <Plug>MarkdownPreview
nmap <LEADER>ms <Plug>MarkdownPreviewStop



" ===
" === Install Plugins with Vim-Plug
" ===

call plug#begin('~/.config/nvim/plugged')


" Pretty Dress
Plug 'bling/vim-bufferline'
Plug 'bpietravalle/vim-bolt'
Plug 'ajmwagar/vim-deus'

" Status line
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'

" Other visual enhancement
Plug 'ryanoasis/vim-devicons'
Plug 'luochen1990/rainbow'
Plug 'mg979/vim-xtabline'
Plug 'wincent/terminus'

" Markdown
Plug 'iamcco/markdown-preview.nvim', { 'do': { -> mkdp#util#install() }, 'for': ['markdown', 'vim-plug'] }
Plug 'dhruvasagar/vim-table-mode', { 'on': 'TableModeToggle', 'for': ['text', 'markdown', 'vim-plug'] }
Plug 'mzlogin/vim-markdown-toc', { 'for': ['gitignore', 'markdown', 'vim-plug'] }

" LaTeX
Plug 'lervag/vimtex'

" FZF
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'

" Undo Tree
Plug 'mbbill/undotree'

"  Vim Visual Multi
Plug 'mg979/vim-visual-multi', {'branch': 'master'}

call plug#end()
set re=0



" ===
" === Dress up my vim
" ===
set termguicolors " enable true colors support
let $NVIM_TUI_ENABLE_TRUE_COLOR=1
"set background=dark
"let ayucolor="mirage"
"let g:oceanic_next_terminal_bold = 1
"let g:oceanic_next_terminal_italic = 1
"let g:one_allow_italics = 1

"color dracula
"color one
color deus
"color gruvbox
"let ayucolor="light"
"color ayu
"color xcodelighthc
"set background=light
"set cursorcolumn

hi NonText ctermfg=gray guifg=grey10
"hi SpecialKey ctermfg=blue guifg=grey70



" ===================== Start of Plugin Settings =====================



" ===
" === vim-airline-theme
" ===
let g:airline_theme= 'deus'
let g:airline_powerline_fonts = 1
let g:airline#extensions#tabline#enable = 1
let g:airline#extensions#branch#enable = 1

" ===
" === rainbow
" ===
let g:rainbow_active = 1



" ===
" === MarkdownPreview
" ===
let g:mkdp_auto_start = 0
let g:mkdp_auto_close = 0
let g:mkdp_refresh_slow = 1
let g:mkdp_command_for_global = 0
let g:mkdp_open_to_the_world = 0
let g:mkdp_open_ip = ''
let g:mkdp_echo_preview_url = 0
let g:mkdp_browser = ''
let g:mkdp_browserfunc = ''
let g:mkdp_preview_options = {
			\ 'mkit': {},
			\ 'katex': {},
			\ 'uml': {},
			\ 'maid': {},
			\ 'disable_sync_scroll': 0,
			\ 'sync_scroll_type': 'middle',
			\ 'hide_yaml_meta': 1
			\ }
let g:mkdp_markdown_css = ''
let g:mkdp_highlight_css = ''
let g:mkdp_port = ''
let g:mkdp_page_title = '「${name}」'



" ===
" === vim-table-mode
" ===
noremap <LEADER>tm :TableModeToggle<CR>



" ===
" === vim-markdown-toc
" ===
let g:vmt_cycle_list_item_markers = 1
let g:vmt_fence_text = 'TOC'
let g:vmt_fence_closing_text = '/TOC'




" ===
" === vimtex
" ===
let g:tex_flavor = 'latex'
autocmd TextChanged,TextChangedI <buffer> silent write



" ===
" === Undotree
" ===
noremap U :UndotreeToggle<CR>
let g:undotree_DiffAutoOpen = 1
let g:undotree_SetFocusWhenToggle = 1
let g:undotree_ShortIndicators = 1
let g:undotree_WindowLayout = 2
let g:undotree_DiffpanelHeight = 8
let g:undotree_SplitWidth = 24
function g:Undotree_CustomMap()
	nmap <buffer> k <plug>UndotreeNextState
	nmap <buffer> j <plug>UndotreePreviousState
	nmap <buffer> K 5<plug>UndotreeNextState
	nmap <buffer> J 5<plug>UndotreePreviousState
endfunc




" ===================== End of Plugin Settings =====================


" ===
" === Necessary Commands to Execute
" ===
exec "nohlsearch"