# Update & upgrade Ubuntu 20.04 and Install neovim
sudo apt update -y
sudo apt upgrade -y
## (Omit how to install Neovim because it is written in the official website...)

# Install Python environment for Neovim
sudo pip3 install pynvim
sudo pip3 install neovim-remote

# Omit: Install jedi for deoplete-jedi and jedi-language-server for coc-jedi
#sudo pip3 install jedi
#sudo pip3 install jedi-language-server

# Install pylint for statement check (may be preinstalled)
sudo pip3 install pylint 

export XDG_CONFIG_HOME=~/.config/

pip install --upgrade msgpack

export zenhan='/mnt/c/Users/[zenhan.exeを設置したフルパス]'

" IME off setting
let &shell='/usr/bin/bash --login'
autocmd InsertLeave * :call system('${zenhan} 0')
autocmd CmdlineLeave * :call system('${zenhan} 0')

:checkhealth

" ================
" Basic settings
" ================
set t_Co=256
set number
set cursorline
set guifont=Ricty\ Diminished\ Discord:h13
set autoindent
set smartindent
set ambiwidth=double " Japanese input
set showmatch
set showmode
set encoding=utf-8
set fileencodings=iso-2022-jp,euc-jp,sjis,utf-8
set fileformats=unix,dos,mac
set nobackup
set laststatus=2
set mouse=a " Enable mouse wheeling
set backspace=indent,eol,start " Enable BS
set nocursorline
autocmd InsertEnter,InsertLeave * set cursorline!
" Neovim Terminal separate
if has('nvim')
  command! -nargs=* Term split | terminal <args>
  command! -nargs=* Termv vsplit | terminal <args>
endif
" IME off setting when Esc
let &shell='/usr/bin/bash --login'
autocmd InsertLeave * :call system('${zenhan} 0')
autocmd CmdlineLeave * :call system('${zenhan} 0')

" ===================
" Remap key bindings
" ===================
" NORMAL mode
noremap j gj
noremap k gk
noremap <Down> gj
noremap <Up> gk
nnoremap <S-Tab> <<

" INSERT mode
"inoremap <Up> <C-O>gk
"inoremap <Down> <C-O>gj
inoremap <Tab> <C-t>
inoremap <S-Tab> <C-d>

" edita setting
set splitbelow
set splitright
set noequalalways
set wildmenu
" Spell checking "
set spell
set spelllang=en,cjk
" cursor setting
set ruler
set cursorline
" Remember the last cursor position when leave from an editing file
autocmd BufReadPost *
	\ if line("'\"") >= 1 && line("'\"") <= line("$") && &ft !~# 'commit'
	\ |   exe "normal! g`\""
	\ | endif
" tab setting
set tabstop=2
set shiftwidth=2
" Auto-completion of parenthesis
inoremap { {}<LEFT>
inoremap [ []<LEFT>
inoremap ( ()<LEFT>
"inoremap " ""<LEFT>
"inoremap ' ''<LEFT>
inoremap {<CR> {<CR>}<ESC>O
inoremap (<CR> (<CR>)<ESC>O
" Checking Auto-completion of closing parenthesis
" Check the next character after input ) or } (closing parenthesis)
" in insert mode, then if the next character is a closing, it only
" moves cursor one character, else input a closing character.
inoremap <expr> ) strpart(getline('.'), col('.')-1, 1) == ")" ? "\<Right>" : ")"
inoremap <expr> } strpart(getline('.'), col('.')-1, 1) == "}" ? "\<Right>" : "}"
inoremap <expr> ] strpart(getline('.'), col('.')-1, 1) == "]" ? "\<Right>" : "]"
"inoremap <expr> \" strpart(getline('.'), col('.')-1, 1) == \" ? "\<Right>" : "\""
"inoremap <expr> \' strpart(getline('.'), col('.')-1, 1) == \' ? "\<Right>" : "\'"


" =====================
" Begin Vim-Plug
" =====================
"
call plug#begin('~/.vim/plugged')

  Plug 'lervag/vimtex'

  " -- Colorscheme and theme --
  Plug 'jacoborus/tender.vim'
	Plug 'itchyny/lightline.vim'
	Plug 'vim-airline/vim-airline'

  " --- Autocompletion ---
	Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
	Plug 'deoplete-plugins/deoplete-jedi' " for Python
	"Plug 'neoclide/coc.nvim', {'branch': 'release'}
	"Plug 'pappasam/coc-jedi', { 'do': 'yarn install --frozen-lockfile && yarn build' }

  " --- ALE (Asynchronous Linting Engine) ---
  Plug 'dense-analysis/ale'

  Plug 'Vimjas/vim-python-pep8-indent'


call plug#end()
" End Vim-Plug Installation =========
"
" deoplete.nvim is enable by default
let g:deoplete#enable_at_startup = 1

" Vimtex settings
call deoplete#custom#var('omni', 'input_patterns', {
			\ 'tex': g:vimtex#re#deoplete
			\})
		
" --- ALE settings
" Setting ALE (Asyncronus Linting Engine)
let g:ale_echo_msg_error_str = 'E'
let g:ale_echo_msg_warning_str = 'W'
let g:ale_echo_msg_format = '[%linter%] %s [%severity%]'
let g:ale_lint_on_text_changed = 'always'

" Colorscheme settings
if (has("termguicolors"))
	 set termguicolors
	 let g:lightline = { 'colorscheme': 'tender' }
	" lightline
	Plug 'itchyny/lightline.vim'
	" Airline
	Plug 'vim-airline/vim-airline'
	let g:airline#extensions#tabline#enabled = 1
	let g:airline_theme = 'tender'
endif
colorscheme tender " Choose tender as colorscheme
syntax enable
filetype plugin indent on

# prefixキーをC-oに変更する
set -g prefix C-t

# デフォルトでprefix がC-b になっているので、そのキーバインドを解除する
unbind C-b

# + でペインを縦に分割する
bind + split-window -h

# - でペインを横に分割する
bind - split-window -v

# ウィンドウの一覧を表示します．
bind w choose-tree -Zw

# 次のペインに移動
bind Tab select-pane -t :.+

# キーバインドの一覧を表示します．リストはC-n，C-pで移動できます．
bind ? list-keys

# prefix + rで設定ファイルをリロードする。.tmux.conf を変更したらリロード！
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# Vimのキーバインドでペインの大きさを変える
bind -r C-h resize-pane -L 5
bind -r C-j resize-pane -D 5
bind -r C-k resize-pane -U 5
bind -r C-l resize-pane -R 5

# Enable mouse
set-option -g mouse on
bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'copy-mode -e'"
bind -n WheelDownPane select-pane -t= \; send-keys -M

# キーストロークのディレイを減らす
set -g escape-time 1

# ウィンドウのインデックスを1から始める
set -g base-index 1

# ペインのインデックスを1から始める
set -g pane-base-index 1

# ステータスバーを設定する
set -g status-interval 60

## ヴィジュアルノーティフィケーションを有効にする
set -g visual-activity on

## ステータスバーを上部に表示する
#set -g status-position bottom

# ステータスバーの色を設定する
set -g status-bg "colour238"

# status line の文字色を指定する。
set -g status-fg "colour255"

# Default terminal is "xterm-256color"
set -g default-terminal "xterm-256color"

# アクティブなペインのみ白っぽく変更（真っ黒は232）
set -g window-style 'bg=colour239'
set -g window-active-style 'bg=colour234'

\begin{frame}{Title}
  \begin{align*}
    f(x) & = x^\top Ax \\
    g(x) & = \| x\| - 1 = 0
  \end{align*}
\end{frame}

pylint --generate-rcfile >> .pylintrc

init-hook='import sys; sys.path.append(".")'

autocmd FileType python let b:coc_root_patterns = ['.git', '.env']

let g:deoplete#enable_at_startup = 1

call deoplete#custom#var('omni',...

{
  "python.jediEnabled": true, # いらないかも
  "jedi.enable": true,
  "jedi.startupMessage": false,
  "jedi.markupKindPreferred": "plaintext",
  "jedi.trace.server": "off",
  "jedi.jediSettings.autoImportModules": [],
  "jedi.executable.command": "jedi-language-server",
  "jedi.executable.args": [],
  "jedi.completion.disableSnippets": false,
  "jedi.completion.resolveEagerly": false,
  "jedi.diagnostics.enable": true,
  "jedi.diagnostics.didOpen": true,
  "jedi.diagnostics.didChange": true,
  "jedi.diagnostics.didSave": true,
  "jedi.workspace.extraPaths": ["."], # 公式は`[]`だがこれだと作業フォルダ内のモジュールが読み込まれないのでカレントを追加しておく
}

PYTHONPATH="[pythonx.xがあるパス]/pythonx.x/site-packages"