" My awesome vimrc

let mapleader =","

if ! filereadable(expand('~/.config/nvim/autoload/plug.vim'))
    echo "Downloading junegunn/vim-plug to manage plugins..."
    silent !mkdir -p ~/.config/nvim/autoload/
    silent !curl "https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim" > ~/.config/nvim/autoload/plug.vim
    autocmd VimEnter * PlugInstall
endif

function! Cond(cond, ...)
    let opts = get(a:000, 0, {})
    return a:cond ? opts : extend(opts, { 'on': [], 'for': [] })
endfunction

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

Plug 'neoclide/coc.nvim', Cond(!exists('g:vscode'))

Plug 'nvim-lua/popup.nvim', Cond(!exists('g:vscode'))
Plug 'nvim-lua/plenary.nvim', Cond(!exists('g:vscode'))
Plug 'nvim-telescope/telescope.nvim', Cond(!exists('g:vscode'))
Plug 'nvim-telescope/telescope-fzy-native.nvim', Cond(!exists('g:vscode'))

Plug 'Rican7/php-doc-modded'

Plug 'udalov/kotlin-vim'
Plug 'f-person/git-blame.nvim'

Plug 'vimwiki/vimwiki', Cond(!exists('g:vscode'))

Plug 'ap/vim-css-color', Cond(!exists('g:vscode'))

Plug 'dart-lang/dart-vim-plugin'

Plug 'fatih/vim-go', { 'do': ':GoUpdateBinaries' }
Plug 'darrikonn/vim-gofmt', { 'do': ':GoUpdateBinaries' }

call plug#end()

" Some basics:
set clipboard+=unnamedplus
set nohlsearch
set incsearch
set ignorecase

autocmd BufWritePre * :%s/\s\+$//e
set go=a
set mouse=a
set smartcase
set linebreak

set noswapfile
set nobackup
set undodir=~/.config/nvim/undodir
set undofile

nnoremap c "_c
set nocompatible
filetype plugin on
syntax on
set encoding=utf-8
set number relativenumber

autocmd BufWritePre * :%s/\s\+$//e

nnoremap <leader>vs :vsplit<Enter>
nnoremap <leader>hs :split<Enter>

" Tab 2 spaces
filetype plugin indent on
set tabstop=4 softtabstop=4 expandtab shiftwidth=4 smarttab

let g:tabStop=4
function! ToggleTabWidth()
    if g:tabStop == 2
        set tabstop=4 softtabstop=4 shiftwidth=4
        let g:tabStop=4
    else
        set tabstop=2 softtabstop=2 shiftwidth=2
        let g:tabStop=2
    endif
endfunction

nnoremap <leader>t :call ToggleTabWidth()<CR>

autocmd BufNewFile,BufRead *.dart setlocal tabstop=2 softtabstop=2 shiftwidth=2
autocmd BufNewFile,BufRead *.dart let g:tabStop=2

" Disables automatic commenting on newline:
autocmd FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o

nnoremap <leader>t :call ToggleTabWidth()<CR>

" Disables automatic commenting on newline:
autocmd FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o

" Remember last cursor position
autocmd BufReadPost * if @% !~# '\.git[\/\\]COMMIT_EDITMSG$' && line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g`\"" | endif

" Automatically save the current session whenever vim is closed
autocmd VimLeave * mksession! ~/.config/nvim/session/shutdown_session.vim

" <F7> restores that 'shutdown session'
noremap <F7> :source ~/.config/nvim/session/shutdown_session.vim<CR>

" If you really want to, this next line should restore the shutdown session
" automatically, whenever you start vim.  (Commented out for now, in case
" somebody just copy/pastes this whole block)
"
" autocmd VimEnter source ~/.vim/shutdown_session.vim<CR>

" manually save a session with <F5>
noremap <F5> :mksession! ~/.config/nvim/session/manual_session.vim<cr>

" recall the manually saved session with <F6>
noremap <F6> :source ~/.config/nvim/session/manual_session.vim<cr>

" Copy entire document
noremap <leader>y <Esc>ggyG<C-o>
map <leader>y <Esc>ggyG<C-o>

" Set gohtml template files to html syntax
autocmd BufNewFile,BufRead *.gohtml set syntax=html

nnoremap <leader>1 1gt
nnoremap <leader>2 2gt
nnoremap <leader>3 3gt
nnoremap <leader>4 4gt
nnoremap <leader>5 5gt

" NETRW

let g:netrw_liststyle = 3
let g:netrw_banner = 0
let g:netrw_browse_split = 4
let g:netrw_winsize = 20
let g:netrw_altv = 1

let g:NetrwIsOpen=0
function! ToggleNetrw()
    if g:NetrwIsOpen
        let i = bufnr("$")
        while (i >= 1)
            if (getbufvar(i, "&filetype") == "netrw")
                silent exe "bwipeout " . i
            endif
            let i-=1
        endwhile
        let g:NetrwIsOpen=0
    else
        let g:NetrwIsOpen=1
        silent Lexplore
    endif
endfunction

" Add your own mapping. For example:
noremap <silent> <C-p> :call ToggleNetrw()<CR>

" coc
highlight CocErrorSign ctermfg=Black ctermbg=Magenta

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

nmap <leader>gd <Plug>(coc-definition)
nmap <leader>gr <Plug>(coc-references)
nmap <leader>rr <Plug>(coc-rename)
nnoremap <leader>prw :CocSearch <C-R>=expand("<cword>")<CR><CR>

inoremap <expr> <C-j> pumvisible() ? "\<Down>" : "\<C-j>"
inoremap <expr> <C-k> pumvisible() ? "\<Up>" : "\<C-k>"


" PHP Doc

nnoremap <leader>h :call UpdatePhpDocIfExists()<CR>
function! UpdatePhpDocIfExists()
    normal! k
    if getline('.') =~ '/'
        normal! V%d
    else
        normal! j
    endif
    call PhpDocSingle()
    normal! k^%k$
    if getline('.') =~ ';'
        exe "normal! $svoid"
    endif
endfunction

nnoremap <C-D> :call UpdatePhpDocIfExists()<CR>

" VimWiki
au filetype vimwiki silent! iunmap <buffer> <Tab>

try
    nmap <silent> <leader>ej :call CocAction('diagnosticNext')<cr>
    nmap <silent> <leader>ek :call CocAction('diagnosticPrevious')<cr>
endtry

" Telescope remaps
lua require("telescope")

nnoremap <C-g> :lua require('telescope.builtin').grep_string({ search = vim.fn.input("Grep For > ")})<CR>
nnoremap <C-p> :lua require('telescope.builtin').git_files()<CR>
nnoremap <C-q> :lua require('telescope.builtin').find_files()<CR>

nnoremap <leader>fb <cmd>lua require('telescope.builtin').buffers()<cr>

" Spell-check
map <leader>o :setlocal spell! spelllang=en_au<CR>

" Shortcutting split navigation, saving a keypress:
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

" Replace all is aliased to S.
nnoremap <c-s> :%s//g<Left><Left>

" Navigating with guides
inoremap <leader><leader> <Esc>/<++><Enter>"_c4l
vnoremap <leader><leader> <Esc>/<++><Enter>"_c4l
map <leader><leader> <Esc>/<++><Enter>"_c4l

augroup twig_ft
au!
autocmd BufNewFile,BufRead *.docker   set syntax=dockerfile
augroup END