" testing
" ============================================================================
" DEFAULT LOCATION FOR MANJARO
" ============================================================================
" ~/.vim/vimrc


" ============================================================================
" REQUIREMENTS / DEPENDENCIES
" ============================================================================
" - git
" - vim-plug
" - fzf
" - nerd fonts
" - powerline
" - yarn
" - npm
" - autopep8


" ============================================================================
" PLUGINS
" ============================================================================
" Plugins will be downloaded under the specified directory.
if has('nvim')
    call plug#begin('~/.config/nvim/plugged')
else
    call plug#begin('~/.vim/plugged')
endif


" Override configs by directory
" Plug 'arielrossanigo/dir-configs-override.vim'

" Code commenter
" Plug 'scrooloose/nerdcommenter'

" Better file browser
Plug 'scrooloose/nerdtree'

" Airline
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'

" File Fuzzy Finder
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'

" Eclipse TaskList
Plug 'fisadev/FixedTaskList.vim'
" Plug 'vim-scripts/TaskList.vim'


" Deoplete
if has('nvim')
  Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
else
  Plug 'Shougo/deoplete.nvim'
  Plug 'roxma/nvim-yarp'
  Plug 'roxma/vim-hug-neovim-rpc'
endif

" intellisense (autocompletion) engine for vim8 & neovim.
" Plug 'neoclide/coc.nvim', {'branch': 'release'}
" Plug 'neoclide/coc.nvim', {'do': 'yarn install --frozen-lockfile'}
" Plug 'neoclide/coc.nvim', {'do': { -> coc#util#install()}}
" MUST INSTALL CocInstall coc-lists coc-marketplace
" THEN CocList marketplace TO INSTALL THE REST EXTENSIONS

" A universal set of defaults that (hopefully) everyone can agree on
Plug 'tpope/vim-sensible'

" Comment stuff out
Plug 'tpope/vim-commentary'

" quoting/parenthesis made simple
Plug 'tpope/vim-surround'

" Automatically close parenthesis, etc
Plug 'Townk/vim-autoclose'

" Format code with one button press (or automatically on save).
" Plug 'Chiel92/vim-autoformat'

" continuously updated session files
Plug 'tpope/vim-obsession'

" Git integration
Plug 'tpope/vim-fugitive'

" Shows a git diff in the gutter (sign column) and stages/undoes hunks.
Plug 'airblade/vim-gitgutter'

" Better language packs
Plug 'sheerun/vim-polyglot'

" Displaying thin vertical lines at each indentation level
" Plug 'Yggdroot/indentLine'

" Indent Guides is a plugin for visually displaying indent levels in Vim.
Plug 'nathanaelkane/vim-indent-guides'

" useful overview of the code as a minimap sidebar.
Plug 'severin-lemaignan/vim-minimap'

" Large collection of vim colorschemes
" Plug 'flazz/vim-colorschemes'
Plug 'dracula/vim', { 'as': 'dracula' }

" A simple tool for presenting slides in vim based on text files.
Plug 'sotte/presenting.vim'

" Vim plugin for LaTeX
" Plug 'lervag/vimtex'

" Distraction-free writing in Vim.
Plug 'junegunn/goyo.vim'

" Vim plugin for .tmux.conf
Plug 'tmux-plugins/vim-tmux'

" Adds icons to vim plugins
Plug 'ryanoasis/vim-devicons'

" List ends here. Plugins become visible to Vim after this call.
call plug#end()


" ============================================================================
" GLOBAL CONFIGURATION
" ============================================================================
" enable syntax highlighting (previously syntax on).
syntax enable

" set the window’s title, reflecting the file currently being edited.
set title

" Use an encoding that supports Unicode.
set encoding=utf-8

" show the line number
set number

" show the relative number
set relativenumber

" show cursor line
set cursorline

" Always show cursor position.
set ruler

" when scrolling, keep cursor 5 lines away from screen border
set scrolloff=5

" show the tab bar
set showtabline=2

" makes copy and paste work better
set clipboard=unnamedplus

" automatic indentation
set autoindent
set smartindent

" use spaces instead of tabs
set expandtab
set tabstop=4
set softtabstop=4
set shiftwidth=4

" place a vertical line as a marker for maximum prescribed text width
" set textwidth=79
" set colorcolumn=+1

" use tabs at the start of a line, spaces elsewhere
set smarttab

" don't wrap text
set nowrap

" don't fold code
set nofoldenable

" make completion smarter.
set ignorecase
set smartcase

" Automatically re-open files after they have changed without prompting.
set autoread

" disable beep on errors.
set noerrorbells

" [DISABLED] flash the screen instead of beeping on errors.
set novisualbell
set termguicolors

" needed so deoplete can auto select the first suggestion
set completeopt+=noinsert
" comment this line to enable autocompletion preview window
" (displays documentation related to the selected completion option)
set completeopt-=preview

" autocompletion of files and commands behaves like shell
" (complete only the common part, list the options that match)
set wildmode=list:longest

" fix problems with uncommon shells (fish, xonsh) and plugins running commands
" (neomake, ...)
set shell=/bin/bash

" if hidden is not set, TextEdit might fail.
set hidden

" Better display for messages
set cmdheight=2

" Smaller updatetime for CursorHold & CursorHoldI
set updatetime=300

" don't give |ins-completion-menu| messages.
set shortmess+=c

" always show signcolumns
set signcolumn=yes

" enable mouse
set mouse=a
" ============================================================================
" CUSTOM MAPPINGS
" ============================================================================
" Disable arrow keys
noremap <Up> <Nop>
noremap <Down> <Nop>
noremap <Left> <Nop>
noremap <Right> <Nop>
" tab navigation mappings
map tt :tabnew
map <M-Right> :tabn<CR>
imap <M-Right> <ESC>:tabn<CR>
map <M-Left> :tabp<CR>
imap <M-Left> <ESC>:tabp<CR>
" clear search results
nnoremap <silent> // :noh<CR>


" ============================================================================
" DOEPLETE CONFIGURATION
" ============================================================================
let g:deoplete#enable_at_startup = 1


" ============================================================================
" COC CONFIGURATION
" ============================================================================
" Use tab for trigger completion with characters ahead and navigate.
" Use command ':verbose imap <tab>' to make sure tab is not mapped by other plugin.
" inoremap <silent><expr> <TAB>
"             \ pumvisible() ? "\<C-n>" :
"             \ <SID>check_back_space() ? "\<TAB>" :
"             \ coc#refresh()
" inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

" function! s:check_back_space() abort
"     let col = col('.') - 1
"     return !col || getline('.')[col - 1]  =~# '\s'
" endfunction

" " Use <c-space> for trigger completion.
" inoremap <silent><expr> <c-space> coc#refresh()

" " Use <cr> for confirm completion, `<C-g>u` means break undo chain at current position.
" " Coc only does snippet and additional edit on confirm.
" inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
" " coc-prettier
" " command! -nargs=0 Prettier :CocCommand prettier.formatFile


" ============================================================================
" FZF CONFIGURATION
" ============================================================================
nnoremap <C-p> :<C-u>FZF<CR>


" ============================================================================
" TASKLIST CONFIGURATION
" ============================================================================
" show pending tasks list
map <F2> :TaskList<CR>


" ============================================================================
" NERDTREE CONFIGURATION
" ============================================================================
" automatically open nerdtree when no file name specified
" autocmd StdinReadPre * let s:std_in=1
" autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
" toggle nerdtree display
map <F3> :NERDTreeToggle<CR>
" open nerdtree with the current file selected
nmap ,t :NERDTreeFind<CR>
" don;t show these file types
let NERDTreeIgnore = ['\.pyc$', '\.pyo$']


" " ============================================================================
" " NERDCOMMENTER CONFIGURATION
" " ============================================================================
" " Add spaces after comment delimiters by default
" let g:NERDSpaceDelims = 1
" " Use compact syntax for prettified multi-line comments
" let g:NERDCompactSexyComs = 1
" " Align line-wise comment delimiters flush left instead of following code indentation
" let g:NERDDefaultAlign = 'left'


" ============================================================================
" AUTOCLOSE ISORT CONFIGURATION
" ============================================================================
" Fix to let ESC work as espected with Autoclose plugin
" (without this, when showing an autocompletion window, ESC won't leave insert
"  mode)
let g:AutoClosePumvisible = {"ENTER": "\<C-Y>", "ESC": "\<ESC>"}


" ============================================================================
" ISORT CONFIGURATION
" ============================================================================
" let g:vim_isort_python_version = 'python3'


" ============================================================================
" MINIMAP CONFIGURATION
" ============================================================================
let g:minimap_show='<leader>ms'
let g:minimap_update='<leader>mu'
let g:minimap_close='<leader>gc'
let g:minimap_toggle='<leader>gt'
let g:minimap_highlight='Visual'


" ============================================================================
" AIRLINE CONFIGURATION
" ============================================================================
" set airline theme
" let g:airline_theme = 'wombat'
" let g:airline_theme = 'onedark'
let g:airline_theme = 'dracula'
" let g:airline_theme = 'base16'
" displays all buffers when there's only one tab open
let g:airline#extensions#tabline#enabled = 1
" separators can be configured independently for the tablne
let g:airline#extensions#tabline#left_sep = ' '
let g:airline#extensions#tabline#left_alt_sep = '|'
" populate the g:airline_symbols dictionary with the powerline symbols
let g:airline_powerline_fonts = 1


" ============================================================================
" INDENTLINE CONFIGURATION
" ============================================================================
" " customize conceal color
" let g:indentLine_color_term = 239
" " customize conceal color
" " let g:indentLine_char_list = ['|', '¦', '┆', '┊']
" let g:indentLine_char_list = ['┊']


" ============================================================================
" INDENTGUIDE CONFIGURATION
" ============================================================================
let g:indent_guides_enable_on_vim_startup = 1
let g:indent_guides_start_level           = 1
let g:indent_guides_auto_colors           = 1
let g:indent_guides_color_change_percent  = 10
let g:indent_guides_space_guides          = 1
let g:indent_guides_tab_guides            = 1
let g:indent_guides_guide_size            = 1
let g:indent_guides_exclude_filetypes     = ['help', 'nerdtree', 'startify', 'Preview','__doc__','rst']


" ============================================================================
" COLORSCHEME CONFIGURATION
" ============================================================================
" colorscheme kolor
" coloscheme space-vim-dark
colorscheme dracula
" let g:seoul256_background = 234
" colorscheme seoul256
" colorscheme seti
" colorscheme darkspectrum
" colorscheme wombat
" colorscheme spacegray
" colorscheme codedark
" colorscheme gruvbox
" colorscheme nord


" ============================================================================
" AUTOFORMAT CONFIGURATION
" ============================================================================
" Autoformat upon saving file
" autocmd BufWrite * :Autoformat
" " enable/diable verbose mode
" let g:autoformat_verbosemode=0


" ============================================================================
" VIMTEX CONFIGURATION
" ============================================================================
let g:tex_flavor='latex'
let g:vimtex_view_method='zathura'
let g:vimtex_quickfix_mode=0
set conceallevel=1
let g:tex_conceal='abdmg'


" ============================================================================
" VIM_DEV_ICONS CONFIGURATION
" ============================================================================
" loading the plugin
let g:webdevicons_enable = 1
" adding the flags to NERDTree
let g:webdevicons_enable_nerdtree = 1
" adding the custom source to unite
let g:webdevicons_enable_unite = 1
" adding the column to vimfiler
let g:webdevicons_enable_vimfiler = 1
" adding to vim-airline's tabline
let g:webdevicons_enable_airline_tabline = 1
" adding to vim-airline's statusline
let g:webdevicons_enable_airline_statusline = 1
" ctrlp glyphs
let g:webdevicons_enable_ctrlp = 1
" adding to vim-startify screen
let g:webdevicons_enable_startify = 1
" adding to flagship's statusline
let g:webdevicons_enable_flagship_statusline = 1
" turn on/off file node glyph decorations (not particularly useful)
let g:WebDevIconsUnicodeDecorateFileNodes = 1
" use double-width(1) or single-width(0) glyphs
" only manipulates padding, has no effect on terminal or set(guifont) font
let g:WebDevIconsUnicodeGlyphDoubleWidth = 1
" whether or not to show the nerdtree brackets around flags
let g:webdevicons_conceal_nerdtree_brackets = 1
" the amount of space to use after the glyph character (default ' ')
let g:WebDevIconsNerdTreeAfterGlyphPadding = '  '
" Force extra padding in NERDTree so that the filetype icons line up vertically
let g:WebDevIconsNerdTreeGitPluginForceVAlign = 1
" Adding the custom source to denite
let g:webdevicons_enable_denite = 1