"*****************************************************************************************
"   ___    __                _               ____       __   __    _                   
"  / _ \  / / __ __  ___ _  (_)  ___        / __/ ___  / /_ / /_  (_)  ___   ___ _  ___
" / ___/ / / / // / / _ `/ / /  / _ \      _\ \  / -_)/ __// __/ / /  / _ \ / _ `/ (_-<
"/_/    /_/  \_,_/  \_, / /_/  /_//_/     /___/  \__/ \__/ \__/ /_/  /_//_/ \_, / /___/
"                  /___/                                                   /___/       
"
"*****************************************************************************************
"""""""""""""""
" Tmuxline    "
" """""""""""""
let g:tmuxline_preset = {
       \'a'    : '#S',
       \'b'    : '#W',
       \'c'    : ['#(~/.config/Scripts/showip)'],
       \'win'  : ['#I', '#W'],
       \'cwin' : ['#I', '#W', '#F'],
       \'y'    : ['%R', '%a', '%Y'],
       \'z'    : '#H'}

""""""""""""""""
" Git Gutter  "
"""""""""""""""
let g:gitgutter_enabled = 1
let g:gitgutter_grep=''

"""""""""""
" VimTex  "
"""""""""""
let g:latex_view_general_viewer = "zathura"
let g:vimtex_view_method = "zathura"
let g:tex_flavor = "latex"
let g:vimtex_quickfix_open_on_warning = 0
let g:vimtex_quickfix_mode = 2
let g:vimtex_compiler_method = "latexmk"
let g:vimtex_compiler_progname = 'nvr'
let g:vimtex_compiler_latexmk = {
    \ 'background' : 1,
    \ 'build_dir' : '',
    \ 'callback' : 1,
    \ 'continuous' : 1,
    \ 'executable' : 'latexmk',
    \ 'options' : [
    \   '-verbose',
    \   '-file-line-error',
    \   '-synctex=1',
    \   '-interaction=nonstopmode',
    \ ],
    \}

"""""""""""
" Goyo    "
"""""""""""
nmap <F6> :Goyo<CR>


"""""""""""
" Vista  "
"""""""""""
nmap <F8> :Vista!!<CR>
let g:vista_executive_for = {
      \ 'c': 'coc',
      \ }
nnoremap <silent><leader>vf :Vista finder coc<CR>
let g:vista_icon_indent = ["╰─▸ ", "├─▸ "]
let g:vista#renderer#enable_icon = 1
let g:vista_sidebar_width = 50

""""""""""""
"NerdTree  "
""""""""""""
" if nerdtree is only window, kill nerdtree so buffer can die
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | :bdelete | endif
map <F7> :NERDTreeToggle<CR>
let nerdtreequitonopen = 0
let NERDTreeShowHidden=1
let nerdchristmastree=1
let g:NERDTreeMinimalUI = 1 
let g:nerdtreewinsize = 25
let g:NERDTreeDirArrowExpandable = '▷'
let g:NERDTreeDirArrowCollapsible = '▼'
let NERDTreeAutoCenter=1
let g:NERDTreeIndicatorMapCustom = {
        \ "modified"  : "✹",
        \ "staged"    : "✚",
        \ "untracked" : "✭",
        \ "renamed"   : "➜",
        \ "unmerged"  : "═",
        \ "deleted"   : "✖",
        \ "dirty"     : "✗",
        \ "clean"     : "✔︎",
        \ 'ignored'   : '☒',
        \ "unknown"   : "?"
        \ }


""""""""""""
"Airline   "
""""""""""""
"main settings
let g:airline_theme='nord'
let g:airline_powerline_fonts = 1
let g:airline_symbols = {}
let g:airline_skip_empty_sections = 1
let g:airline_left_sep = ''
let g:airline_left_alt_sep = ''
let g:airline_right_sep = ''
let g:airline_right_alt_sep = ''
let g:airline_symbols_branch = ''
let g:airline_powerline_fonts = 1
let g:airline_symbols.crypt = ''
let g:airline_symbols.linenr = '☰'
let g:airline_symbols.linenr = '␊'
let g:airline_symbols.linenr = '␤'
let g:airline_symbols.linenr = '¶'
let g:airline_symbols.maxlinenr = ''
let g:airline_symbols.paste = 'ρ'
let g:airline_symbols.paste = 'Þ'
let g:airline_symbols.paste = '∥'
let g:airline_symbols.spell = 'Ꞩ'
let g:airline_symbols.notexists = 'Ɇ'
let g:airline_symbols.whitespace = 'Ξ'
let g:airline_symbols.modified = ' '
let g:airline_section_error = '%{airline#util#wrap(airline#extensions#coc#get_error(),0)}'
let g:airline_section_warning = '%{airline#util#wrap(airline#extensions#coc#get_warning(),0)}'
"extensions
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#ale#enabled = 1
let g:airline#extensions#coc#enabled = 1
let g:airline#extensions#unicode#enabled = 1
let g:airline#extensions#branch#enabled = 1
let g:airline#extensions#vista#enabled = 1
let g:airline#extensions#hunks#enabled = 1
"extension settings
let airline#extensions#coc#stl_format_err = '%E{[%e(#%fe)]}'
let airline#extensions#coc#stl_format_warn = '%W{[%w(#%fw)]}'
let airline#extensions#coc#warning_symbol = ':'
let airline#extensions#coc#error_symbol = ':'
let g:airline#extensions#hunks#hunk_symbols = [':', ':', ':']
let g:airline#extensions#branch#format = 2


"""""""""""""
"Devicons   "
"""""""""""""
let g:webdevicons_enable = 1
let g:webdevicons_enable_unite = 1
let g:webdevicons_enable_denite = 1
let g:webdevicons_enable_nerdtree = 1
let g:webdevicons_enable_airline_tabline = 1
let g:webdevicons_enable_vimfiler = 1
let g:WebDevIconsUnicodeDecorateFileNodes = 1
let g:WebDevIconsUnicodeDecorateFolderNodes = 1
let g:WebDevIconsUnicodeGlyphDoubleWidth = 1
let g:webdevicons_enable_airline_statusline = 1
let g:WebDevIconsNerdTreeGitPluginForceVAlign = 1
let g:WebDevIconsUnicodeGlyphDoubleWidth = 1
let g:WebDevIconsUnicodeDecorateFolderNodesDefaultSymbol = ''
let g:DevIconsDefaultFolderOpenSymbol = ''

"""""""""""""""""
"Comfy-Scroll   "
"""""""""""""""""
noremap <silent> <ScrollWheelDown> :call comfortable_motion#flick(40)<CR>
noremap <silent> <ScrollWheelUp>   :call comfortable_motion#flick(-40)<CR>
let g:comfortable_motion_friction = 50.0
let g:comfortable_motion_air_drag = 1.0

""""""""""
" Emoji  "
""""""""""
set completefunc=emoji#complete


"""""""""""""""""
"Indent Guides  "
"""""""""""""""""
"let g:indentLine_char = '▏'
let g:indentLine_char_list = ['|', '¦', '┆', '┊']

let g:indent_guides_auto_colors = 1
let g:indentLine_fileTypeExclude = [
      \'defx',
      \'markdown',
      \'denite',
      \'startify',
      \'tagbar',
      \'vista_kind',
      \'vista'
      \]

"""""""""""""
"Autopairs  "
"""""""""""""
let g:AutoPairsFlyMode = 1

"""""""""""""
"Ultinsips  "
"""""""""""""
" These were interfering with coc.nvims completion keybinds
"let g:UltiSnipsExpandTrigger="<tab>"
"let g:UltiSnipsJumpForwardTrigger="<c-b>"
"let g:UltiSnipsJumpBackwardTrigger="<c-z>"
"let g:UltiSnipsListSnippets="<c-tab>"

""""""""""""
"Startify  "
""""""""""""
function! s:center(lines) abort
  let longest_line   = max(map(copy(a:lines), 'strwidth(v:val)'))
  let centered_lines = map(copy(a:lines),
        \ 'repeat(" ", (&columns / 2) - (longest_line / 2)) . v:val')
  return centered_lines
endfunction
let s:header= [
      \"▄▀▀▄ ▄▀▀▄  ▄▀▀█▀▄    ▄▀▀▄ ▄▀▄      ▄▀▀▄▀▀▀▄  ▄▀▀█▄▄▄▄  ▄▀▀█▄   ▄▀▀▄▀▀▀▄  ▄▀▀█▄▄▄▄  ▄▀▀▄▀▀▀▄ ",
      \"█   █    █ █   █  █  █  █ ▀  █     █   █   █ ▐  ▄▀   ▐ ▐ ▄▀ ▀▄ █   █   █ ▐  ▄▀   ▐ █   █   █ ",
      \"▐  █    █  ▐   █  ▐  ▐  █    █     ▐  █▀▀█▀    █▄▄▄▄▄    █▄▄▄█ ▐  █▀▀▀▀    █▄▄▄▄▄  ▐  █▀▀█▀  ",
      \"  █   ▄▀      █       █    █       ▄▀    █    █    ▌   ▄▀   █    █        █    ▌   ▄▀    █  ",
      \"   ▀▄▀     ▄▀▀▀▀▀▄  ▄▀   ▄▀       █     █    ▄▀▄▄▄▄   █   ▄▀   ▄▀        ▄▀▄▄▄▄   █     █   ",
      \"          █       █ █    █        ▐     ▐    █    ▐   ▐   ▐   █          █    ▐   ▐     ▐   ",
      \"          ▐       ▐ ▐    ▐                   ▐                ▐          ▐                  ",
      \"",
      \"",
      \"                                          ;::::;",
      \"                                        ;::::; :;",
      \"                                      ;:::::'   :;",
      \"                                     ;:::::;     ;.",
      \"                                    ,:::::'       ;           OOO\ ",
      \"                                    ::::::;       ;          OOOOO\ ",
      \"                                    ;:::::;       ;         OOOOOOOO",
      \"                                   ,;::::::;     ;'         / OOOOOOO",
      \"                                 ;:::::::::`. ,,,;.        /  / DOOOOOO",
      \"                               .';:::::::::::::::::;,     /  /     DOOOO",
      \"                              ,::::::;::::::;;;;::::;,   /  /        DOOO",
      \"                             ;`::::::`'::::::;;;::::: ,#/  /          DOOO",
      \"                             :`:::::::`;::::::;;::: ;::#  /            DOOO",
      \"                             ::`:::::::`;:::::::: ;::::# /              DOO",
      \"                             `:`:::::::`;:::::: ;::::::#/               DOO",
      \"                              :::`:::::::`;; ;:::::::::##                OO",
      \"                              ::::`:::::::`;::::::::;:::#                OO",
      \"                              `:::::`::::::::::::;'`:;::#                O",
      \"                               `:::::`::::::::;' /  / `:#",
      \"                                ::::::`:::::;'  /  /   `#",
      \]

let g:startify_change_to_dir = 1
let g:startify_custom_header = s:center(s:header)
" Optionally create and use footer
"let s:header= []
"let g:startify_custom_footer = s:center(s:footer)

"""""""
"COC  "
"""""""

" Define Error Symbols and colors
let g:coc_status_warning_sign = ''
let g:coc_status_error_sign = ''
hi CocWarningSign ctermfg=blue 
hi CocErrorSign ctermfg=red
hi CocInfoSign ctermfg=yellow
hi CocHintSign ctermfg=green

" Transparent popup window
hi! Pmenu ctermbg=black
hi! PmenuSel ctermfg=2
hi! PmenuSel ctermbg=0

" Brighter line numbers
hi! LineNr ctermfg=NONE guibg=NONE

" KEY REMAPS ""
set updatetime=300
let g:ycm_server_python_interpreter = '/usr/bin/python3'
let g:coc_snippet_next = '<TAB>'
let g:coc_snippet_prev = '<S-TAB>'

" Extensions. Some need configuration. 
" coc-java needs a valid JVM filepath defined in coc-settings
" coc-ccls needs ccls (available on aur)
" coc-eslint needs eslint npm package installed globally
let g:coc_global_extensions = [
      \'coc-html', 
      \'coc-xml', 
      \'coc-java', 
      \'coc-ccls', 
      \'coc-powershell', 
      \'coc-r-lsp', 
      \'coc-vimlsp', 
      \'coc-lua', 
      \'coc-sql', 
      \'coc-go', 
      \'coc-css', 
      \'coc-sh', 
      \'coc-snippets',
      \'coc-prettier',
      \'coc-eslint',
      \'coc-emmet',
      \'coc-tsserver',
      \'coc-translator',
      \'coc-fish',
      \'coc-docker',
      \'coc-pairs',
      \'coc-json',
      \'coc-python',
      \'coc-imselect',
      \'coc-highlight',
      \'coc-git',
      \'coc-github',
      \'coc-gitignore',
      \'coc-emoji',
      \'coc-lists',
      \'coc-post',
      \'coc-stylelint',
      \'coc-yaml',
      \'coc-template',
      \'coc-tabnine',
      \'coc-utils'
      \]

" Remap keys for gotos
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)
inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
" Remap for rename current word
nmap <leader>rn <Plug>(coc-rename)

" Remap for format selected region
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

" Fix autofix problem of current line
nmap <leader>qf  <Plug>(coc-fix-current)

augroup MyAutoCmd
  autocmd!
  " Setup formatexpr specified filetype(s).
  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
  " Update signature help on jump placeholder
  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" Highlight symbol under cursor on CursorHold
"autocmd CursorHold * silent call CocActionAsync('highlight')

" map <tab> to trigger completion and navigate to the next item
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

"""""""""""""""""
"Nerd Commenter "
"""""""""""""""""
" Add spaces after comment delimiters by default
let g:NERDSpaceDelims = 1
" Use compact syntax for prettified multi-line comments
let g:NERDCompactSexyComs = 1
" Allow commenting and inverting empty lines (useful when commenting a region)
"


"""""""""""""""""
" Fuzzy Finding "
"""""""""""""""""
let g:fzf_colors =
\ { 'fg':      ['bg', 'Normal'],
\ 'bg':      ['bg', 'Normal'],
\ 'hl':      ['fg', 'Comment'],
\ 'fg+':     ['fg', 'CursorLine', 'CursorColumn', 'Normal'],
\ 'bg+':     ['fg', 'CursorLine', 'CursorColumn'],
\ 'hl+':     ['fg', 'Statement'],
\ 'info':    ['fg', 'PreProc'],
\ 'border':  ['fg', 'Ignore'],
\ 'prompt':  ['fg', 'Conditional'],
\ 'pointer': ['fg', 'Exception'],
\ 'marker':  ['fg', 'Keyword'],
\ 'spinner': ['fg', 'Label'],
\ 'header':  ['fg', 'Comment'] }

" Hide status bar while using fzf commands                                                                          
if has('nvim') || has('gui_running')                                                                                
  autocmd! FileType fzf                                                                                             
  autocmd  FileType fzf set laststatus=0 | autocmd WinLeave <buffer> set laststatus=2                               
endif    


"""""""""""""""""
" Autosaving    "
"""""""""""""""""
let g:auto_save        = 1
let g:auto_save_silent = 1
let g:auto_save_events = ["InsertLeave", "TextChanged", "FocusLost"]