" IMPOSTAZIONI ----------------------------------------------------------- {{{

packadd! dracula
colorscheme dracula
set completeopt=longest,menuone
setlocal complete+=k
set dictionary+=/home/davide/.vim/dict/dict_it.txt
set wrap
set linebreak
set expandtab
autocmd vimenter * hi Normal guibg=NONE ctermbg=NONE
set spell spelllang=it,en
syntax on 			  			                                  " Enable type file detection. Vim will be able to try to detect the type of file in use.
filetype off 						                                  " Enable plugins and load plugin for the detected file type.
set nocompatible              		                        " be iMproved, required
filetype plugin indent on   		                          " required
set omnifunc=syntaxcomplete                               " Enable Omnicomplete features
filetype plugin on 				                                " Load an indent file for the detected file type.
filetype indent on
set foldenable
set autoindent                                            " Automatically guesses the indentation given the previous one
set hlsearch                                              " Automatically highlights search results, to hide them run :noh
set incsearch                                             " Searches incrementally as you type.
set ruler                                                 " Shows the rulers
set showcmd                                               " Shows current cursor info
set ignorecase                                            " Ignores cases when searching
set noswapfile                                            " Disables swap files
set undofile                                              " Enable keeping history across sessions, don't forget to mkdir
set undodir=~/.vim/undo/
set nofixeol                                              " Do not insert a new line at the end of the file automatically
set backspace=indent,eol,start                            " Enable backspace key to delete stuffs properly
set termguicolors
set number						                                    " Add numbers to each line on the left-hand side.
set relativenumber
set clipboard=unnamedplus
set cursorline						                                " Highlight cursor line underneath the cursor horizontally.
set nobackup    					                                " Do not save backup files.
set incsearch					                                    " While searching though a file incrementally highlight matching characters as you type.
set ignorecase						                                " Ignore capital letters during search.
set smartcase						                                  " This will allow you to search specifically for capital letters.
set showmode						                                  " Show the mode you are on the last line.
set showmatch						                                  " Show matching words during a search.
set wildmenu						                                  " Enable auto completion menu after pressing TAB.
set wildmode=list:longest				                          " Make wildmenu behave like similar to Bash completion.
set foldenable
set foldmethod=indent
set ttyfast						                                    " Speed up scrolling in Vim
set encoding=UTF-8
"set nowritebackup
set updatetime=300
set signcolumn=yes
set smarttab		                                          "la tabulazione viene eseguita in automatico in modo intelligente
set tabstop=8		                                          "imposta il valore della tabulazione (solitamente viene cosigliato 4 o 8)
" }}}


" PLUGINS ---------------------------------------------------------------- {{{

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'
"
" All of your Plugins must be added before the following line
" 

"Plugin 'lifepillar/vim-mucomplete'
Plugin 'neoclide/coc.nvim', {'branch': 'release'}
Plugin 'itchyny/vim-cursorword'
Plugin 'preservim/nerdtree'
Plugin 'iamcco/markdown-preview.nvim'
Plugin 'alvan/vim-closetag'
Plugin 'mattn/emmet-vim'
Plugin 'jiangmiao/auto-pairs'
Plugin 'ryanoasis/vim-devicons'
Plugin 'frazrepo/vim-rainbow'
Plugin 'mg979/vim-visual-multi', {'branch': 'master'}
Plugin 'itchyny/lightline.vim'
Plugin 'voldikss/vim-floaterm'
Plugin 'mracos/mermaid.vim'
Plugin 'mzlogin/vim-markdown-toc'
Plugin 'bbrtj/vim-vorg-md'
Plugin 'sheerun/vim-polyglot'

call vundle#end()            " required

" }}}zo


" MAPPINGS --------------------------------------------------------------- {{{

" Mappings code goes here.

" }}}


" VIMSCRIPT -------------------------------------------------------------- {{{

" This will enable code folding.
" zo per aprire una singola piega sotto il cursore.
" zc per chiudere la piega sotto il cursore.
" zR per aprire tutte le pieghe.
" zM per chiudere tutte le pieghe.

augroup filetype_vim
    autocmd!
    autocmd FileType vim setlocal foldmethod=marker
augroup END

" More Vimscripts code goes here.

" }}}


" PREDICTIVE ------------------------------------------------------------- {{{
"
" https://www.reddit.com/r/vim/comments/12qezjf/english_dictionary_autocompletion/?rdt=55684
"let g:mucomplete#enable_auto_at_startup = v:true
"let g:mucomplete#chains = #{default: ['dict']}
"set dictionary=/home/davide/.vim/dict/dict_it.txt
"
" }}}


" YOUCOMPLETEME ------------------------------------------------------------- {{{
"
let g:ycm_global_ycm_extra_conf='~/.vim/bundle/YouCompleteMe/.ycm_extra_conf.py'
let g:ycm_confirm_extra_conf=0
let g:ycm_python_binary_path='/usr/bin/python3'
"
" }}}


" NERD-TREE ------------------------------------------------------------- {{{
"
" Start NERDTree and put the cursor back in the other window.
autocmd VimEnter * NERDTree | wincmd p"
"
" Exit Vim if NERDTree is the only window remaining in the only tab.
autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif"
"
" Close the tab if NERDTree is the only window remaining in it.
autocmd BufEnter * if winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
"
" Open the existing NERDTree on each new tab.
autocmd BufWinEnter * if getcmdwintype() == '' | silent NERDTreeMirror | endif

" }}}


" MD-FOLDING ------------------------------------------------------------- {{{
"
let g:markdown_folding = 1
"
"zo 	open current fold
"zO 	recursively open current fold
"zc 	close current fold
"zC 	recursively close current fold
"za 	toggle current fold
"zA 	recursively open/close current fold
"zm 	reduce foldlevel by one
"zM 	close all folds
"zr 	increase foldlevel by one
"zR 	open all folds
" }}}


" MARK-DOWN-PREVIEW ----------------------------------------------------- {{{
" https://github.com/iamcco/markdown-preview.nvim
"
" set to 1, nvim will open the preview window after entering the markdown buffer
" default: 0
let g:mkdp_auto_start = 0

" set to 1, the nvim will auto close current preview window when change
" from markdown buffer to another buffer
" default: 1
let g:mkdp_auto_close = 1

" set to 1, the vim will refresh markdown when save the buffer or
" leave from insert mode, default 0 is auto refresh markdown as you edit or
" move the cursor
" default: 0
let g:mkdp_refresh_slow = 0

" set to 1, the MarkdownPreview command can be use for all files,
" by default it can be use in markdown file
" default: 0
let g:mkdp_command_for_global = 0

" set to 1, preview server available to others in your network
" by default, the server listens on localhost (127.0.0.1)
" default: 0
let g:mkdp_open_to_the_world = 0

" use custom IP to open preview page
" useful when you work in remote vim and preview on local browser
" more detail see: https://github.com/iamcco/markdown-preview.nvim/pull/9
" default empty
let g:mkdp_open_ip = ''

" specify browser to open preview page
" for path with space
" valid: `/path/with\ space/xxx`
" invalid: `/path/with\\ space/xxx`
" default: ''
let g:mkdp_browser = ''

" set to 1, echo preview page url in command line when open preview page
" default is 0
let g:mkdp_echo_preview_url = 0

" a custom vim function name to open preview page
" this function will receive url as param
" default is empty
let g:mkdp_browserfunc = ''

" options for markdown render
" mkit: markdown-it options for render
" katex: katex options for math
" uml: markdown-it-plantuml options
" maid: mermaid options
" disable_sync_scroll: if disable sync scroll, default 0
" sync_scroll_type: 'middle', 'top' or 'relative', default value is 'middle'
"   middle: mean the cursor position alway show at the middle of the preview page
"   top: mean the vim top viewport alway show at the top of the preview page
"   relative: mean the cursor position alway show at the relative positon of the preview page
" hide_yaml_meta: if hide yaml metadata, default is 1
" sequence_diagrams: js-sequence-diagrams options
" content_editable: if enable content editable for preview page, default: v:false
" disable_filename: if disable filename header for preview page, default: 0
let g:mkdp_preview_options = {
            \ 'mkit': {},
            \ 'katex': {},
            \ 'uml': {},
            \ 'maid': {},
            \ 'disable_sync_scroll': 0,
            \ 'sync_scroll_type': 'middle',
            \ 'hide_yaml_meta': 1,
            \ 'sequence_diagrams': {},
            \ 'flowchart_diagrams': {},
            \ 'content_editable': v:false,
            \ 'disable_filename': 0,
            \ 'toc': {}
            \ }

" use a custom markdown style must be absolute path
" like '/Users/username/markdown.css' or expand('~/markdown.css')
let g:mkdp_markdown_css = ''

" use a custom highlight style must absolute path
" like '/Users/username/highlight.css' or expand('~/highlight.css')
let g:mkdp_highlight_css = ''

" use a custom port to start server or empty for random
let g:mkdp_port = ''

" preview page title
" ${name} will be replace with the file name
let g:mkdp_page_title = '「${name}」'

" recognized filetypes
" these filetypes will have MarkdownPreview... commands
let g:mkdp_filetypes = ['markdown']

" set default theme (dark or light)
" By default the theme is define according to the preferences of the system
let g:mkdp_theme = 'dark'
" }}}


" VIM-TAG --------------------------------------------------------------- {{{
"
" filenames like *.xml, *.html, *.xhtml, ...
" These are the file extensions where this plugin is enabled.
"
let g:closetag_filenames = '*.html,*.xhtml,*.phtml'

" filenames like *.xml, *.xhtml, ...
" This will make the list of non-closing tags self-closing in the specified files.
"
let g:closetag_xhtml_filenames = '*.xhtml,*.jsx'

" filetypes like xml, html, xhtml, ...
" These are the file types where this plugin is enabled.
"
let g:closetag_filetypes = 'html,xhtml,phtml'

" filetypes like xml, xhtml, ...
" This will make the list of non-closing tags self-closing in the specified files.
"
let g:closetag_xhtml_filetypes = 'xhtml,jsx'

" integer value [0|1]
" This will make the list of non-closing tags case-sensitive (e.g. `<Link>` will be closed while `<link>` won't.)
"
let g:closetag_emptyTags_caseSensitive = 1

" dict
" Disables auto-close if not in a "valid" region (based on filetype)
"
let g:closetag_regions = {
            \ 'typescript.tsx': 'jsxRegion,tsxRegion',
            \ 'javascript.jsx': 'jsxRegion',
            \ 'typescriptreact': 'jsxRegion,tsxRegion',
            \ 'javascriptreact': 'jsxRegion',
            \ }

" Shortcut for closing tags, default is '>'
"
let g:closetag_shortcut = '>'

" Add > at current position without closing the current tag, default is ''
"
let g:closetag_close_shortcut = '<leader>>'

" }}}


" EMMET-PLUGIN --------------------------------------------------------- {{{
let g:user_emmet_settings = {
            \  'variables': {'lang': 'ja'},
            \  'html': {
            \    'default_attributes': {
            \      'option': {'value': v:null},
            \      'textarea': {'id': v:null, 'name': v:null, 'cols': 10, 'rows': 10},
            \    },
            \    'snippets': {
            \      'html:5': "<!DOCTYPE html>\n"
            \              ."<html lang=\"en\">\n"
            \              ."<head>\n"
            \              ."\t<meta charset=\"${charset}\">\n"
            \                                                        ."\t<meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\">\n"
            \              ."\t<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n"
            \              ."\t<title></title>\n"
            \              ."</head>\n"
            \              ."<body>\n\t${child}|\n</body>\n"
            \              ."</html>",
            \    },
            \  },
            \}
" }}}


" RAINBOW PARENTHESES -------------------------------------------------- {{{
" https://github.com/frazrepo/vim-rainbow

let g:rainbow_ctermfgs = ['lightblue', 'lightgreen', 'yellow', 'red', 'magenta']

"}}}


" MULTI-CURSOR --------------------------------------------------------- {{{
" https://github.com/mg979/vim-visual-multi

"To make a basic selection, use the Ctrl+N keystroke in normal mode, followed by a motion:
"c – change text.
"I – insert at start of range.
"A – insert at end of range.
let g:multi_cursor_use_default_mapping=0

" Default mapping
let g:multi_cursor_start_word_key      = '<C-n>'
let g:multi_cursor_select_all_word_key = '<A-n>'
let g:multi_cursor_start_key           = 'g<C-n>'
let g:multi_cursor_select_all_key      = 'g<A-n>'
let g:multi_cursor_next_key            = '<C-n>'
let g:multi_cursor_prev_key            = '<C-p>'
let g:multi_cursor_skip_key            = '<C-x>'
let g:multi_cursor_quit_key            = '<Esc>'

"}}} 


" VIM-LIGHTLINE --------------------------------------------------------- {{{
" https://github.com/itchyny/lightline.vim

let g:lightline = {
            \ 'colorscheme': 'wombat',
            \ }

" }}}


" COC-NEOCLIDE ---------------------------------------------------------- {{{
" https://github.com/neoclide/coc.nvim
" https://github.com/neoclide/coc.nvim/wiki/Using-coc-extensions


" Use tab for trigger completion with characters ahead and navigate
" NOTE: There's always complete item selected by default, you may want to enable
" no select by `"suggest.noselect": true` in your configuration file
" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
" other plugin before putting this into your config
inoremap <silent><expr> <TAB>
            \ coc#pum#visible() ? coc#pum#next(1) :
            \ CheckBackspace() ? "\<Tab>" :
            \ coc#refresh()
inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"

" Make <CR> to accept selected completion item or notify coc.nvim to format
" <C-g>u breaks current undo, please make your own choice
inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
            \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

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

" Use <c-space> to trigger completion
if has('nvim')
    inoremap <silent><expr> <c-space> coc#refresh()
else
    inoremap <silent><expr> <c-@> coc#refresh()
endif

" Use `[g` and `]g` to navigate diagnostics
" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" GoTo code navigation
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)

" Use K to show documentation in preview window
nnoremap <silent> K :call ShowDocumentation()<CR>

function! ShowDocumentation()
    if CocAction('hasProvider', 'hover')
        call CocActionAsync('doHover')
    else
        call feedkeys('K', 'in')
    endif
endfunction

" Highlight the symbol and its references when holding the cursor
autocmd CursorHold * silent call CocActionAsync('highlight')

" Symbol renaming
nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

augroup mygroup
    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

" Applying code actions to the selected code block
" Example: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap keys for applying code actions at the cursor position
nmap <leader>ac  <Plug>(coc-codeaction-cursor)
" Remap keys for apply code actions affect whole buffer
nmap <leader>as  <Plug>(coc-codeaction-source)
" Apply the most preferred quickfix action to fix diagnostic on the current line
nmap <leader>qf  <Plug>(coc-fix-current)

" Remap keys for applying refactor code actions
nmap <silent> <leader>re <Plug>(coc-codeaction-refactor)
xmap <silent> <leader>r  <Plug>(coc-codeaction-refactor-selected)
nmap <silent> <leader>r  <Plug>(coc-codeaction-refactor-selected)

" Run the Code Lens action on the current line
nmap <leader>cl  <Plug>(coc-codelens-action)

" Map function and class text objects
" NOTE: Requires 'textDocument.documentSymbol' support from the language server
xmap if <Plug>(coc-funcobj-i)
omap if <Plug>(coc-funcobj-i)
xmap af <Plug>(coc-funcobj-a)
omap af <Plug>(coc-funcobj-a)
xmap ic <Plug>(coc-classobj-i)
omap ic <Plug>(coc-classobj-i)
xmap ac <Plug>(coc-classobj-a)
omap ac <Plug>(coc-classobj-a)

" Remap <C-f> and <C-b> to scroll float windows/popups
if has('nvim-0.4.0') || has('patch-8.2.0750')
    nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
    nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
    inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
    inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
    vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
    vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
endif

" Use CTRL-S for selections ranges
" Requires 'textDocument/selectionRange' support of language server
nmap <silent> <C-s> <Plug>(coc-range-select)
xmap <silent> <C-s> <Plug>(coc-range-select)

" Add `:Format` command to format current buffer
command! -nargs=0 Format :call CocActionAsync('format')

" Add `:Fold` command to fold current buffer
command! -nargs=? Fold :call     CocAction('fold', <f-args>)

" Add `:OR` command for organize imports of the current buffer
command! -nargs=0 OR   :call     CocActionAsync('runCommand', 'editor.action.organizeImport')

" Add (Neo)Vim's native statusline support
" NOTE: Please see `:h coc-status` for integrations with external plugins that
" provide custom statusline: lightline.vim, vim-airline
set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}

" Mappings for CoCList
" Show all diagnostics
nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions
nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
" Show commands
nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
" Find symbol of current document
nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols
nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item
nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item
nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list
nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>

" }}}