set nocompatible
syn on

set maxmempattern=32000
" because https://github.com/vim/vim/issues/6777#issuecomment-684776825

" Because Konsole font size
" https://github.com/neovim/neovim/issues/6798
set guicursor=

set nocscopeverbose
set ignorecase
set smartcase
set modeline
set modelines=5
set wildmode=longest:full
set wildmenu
set hlsearch
set pastetoggle=<F10>
set textwidth=120
set backspace=eol,indent,start
set number
set signcolumn=yes
"set mouse=a "Disabled
"set grepprg=grep\ -nH\ $*
set grepprg=rg\ --vimgrep\ $*
let g:tex_flavor = "latex"

setglobal formatoptions+=j

" so that :find and :tabfind work
set path=$PWD/**

" in visual mode, show count
set showcmd
set scrolloff=3

" persistent-undo
set undodir=~/.vim/undodir
set undofile

" remove toolbar
set guioptions-=T
" remove menu
set guioptions-=m


set formatoptions+=j " Delete comment character when joining commented lines

set history=1000

set tabpagemax=50

let mapleader="\<Space>"

call plug#begin('~/.vim/plugged')
Plug 'mileszs/ack.vim'
Plug 'airblade/vim-gitgutter'
Plug 'vim-scripts/git-time-lapse'
Plug 'vim-scripts/ifdef-highlighting'
Plug 'jparise/vim-graphql'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'rust-lang/rust.vim'
Plug 'scrooloose/nerdtree'
Plug 'majutsushi/tagbar'
Plug 'vim-scripts/taglist.vim'
Plug 'tpope/vim-fugitive'
Plug 'https://gitlab.com/Nate_B/vim-adif'
Plug 'hashivim/vim-terraform'

if has("nvim")
    Plug 'neovim/nvim-lspconfig'
endif

"Plug 'neoclide/coc.nvim', {'branch': 'release'}
call plug#end()

" dotnet tool install -g csharp-ls

if has("nvim")
    lua << EOF
    local nvim_lsp = require('lspconfig')

    -- For debugging, use :LspInfo
    --vim.lsp.set_log_level("debug")
    -- Retrieve logs using :lua vim.cmd('e'..vim.lsp.get_log_path())

    vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
    vim.lsp.diagnostic.on_publish_diagnostics, {
        signs = false,
        }
    )

    -- Use an on_attach function to only map the following keys
    -- after the language server attaches to the current buffer
    local on_attach = function(client, bufnr)
      local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
      local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end

      -- Enable completion triggered by <c-x><c-o>
      buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')

      -- Mappings.
      local opts = { noremap=true, silent=true }

      -- See `:help vim.lsp.*` for documentation on any of the below functions
      buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
      buf_set_keymap('n', '<Leader>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
      buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
      buf_set_keymap('n', 'gK', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
      buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
      buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
      --buf_set_keymap('n', '<Leader>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
      --buf_set_keymap('n', '<Leader>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
      --buf_set_keymap('n', '<Leader>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
      buf_set_keymap('n', '<F2>', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
      buf_set_keymap('n', '<Leader>c', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
      buf_set_keymap('n', '<Leader>r', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
      buf_set_keymap('n', '<Leader>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
      buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
      buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
      buf_set_keymap('n', '<Leader>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
      buf_set_keymap('n', '<Leader>F', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)

    end

    -- Use a loop to conveniently call 'setup' on multiple servers and
    -- map buffer local keybindings when the language server attaches
    local servers = { 'clangd', 'rust_analyzer', 'pylsp', 'tsserver' }
    for _, lsp in ipairs(servers) do
      nvim_lsp[lsp].setup {
        on_attach = on_attach,
        flags = {
          debounce_text_changes = 150,
        }
      }
    end
EOF
endif


if executable('rg')
  let g:ackprg = "rg -ui --vimgrep"
  let g:ack_default_options = " -ui --vimgrep"
elseif executable('ag')
  let g:ackprg = 'ag -u --vimgrep'
endif

noremap <Leader>a :LAck! -t rust -t cpp -t c -t py <cword><CR>
noremap <Leader>A :LAck! <cword><CR>

"Show + - ~ in the margin for vim modification
let g:gitgutter_eager = 0 " only update on read/write

" Also search tags
let g:ctrlp_extensions = ['tag']
noremap <Leader>p :CtrlP<CR>
noremap <Leader>b :CtrlPBuffer<CR>

"let g:ctrlp_working_path_mode = 'a'

" Ignore some folders and files for CtrlP indexing
let g:ctrlp_custom_ignore = { 'dir':  '\.git$\|\CODENAME_Data' }

"rust-lang/rust.vim
let g:rust_recommended_style = 0
au FileType rust nmap <Leader>m :make build<CR>
au FileType rust nmap <Leader>c :Cargo check<CR>

noremap <Leader>t :TagbarToggle<CR>

colorscheme bramwombat

function! ToggleFullScreen()
    call system("wmctrl -i -r ".v:windowid." -b toggle,fullscreen")
    redraw
endfunction

if has("nvim")
    set termguicolors
    set noincsearch

    tnoremap <Esc> <C-\><C-n>
    let g:terminal_color_0  = '#2e3436'
    let g:terminal_color_1  = '#cc0000'
    let g:terminal_color_2  = '#4e9a06'
    let g:terminal_color_3  = '#c4a000'
    let g:terminal_color_4  = '#4475b4'
    let g:terminal_color_5  = '#75507b'
    let g:terminal_color_6  = '#0b939b'
    let g:terminal_color_7  = '#d3d7cf'
    let g:terminal_color_8  = '#555753'
    let g:terminal_color_9  = '#ef2929'
    let g:terminal_color_10 = '#8ae234'
    let g:terminal_color_11 = '#fce94f'
    let g:terminal_color_12 = '#729fcf'
    let g:terminal_color_13 = '#ad7fa8'
    let g:terminal_color_14 = '#00f5e9'
    let g:terminal_color_15 = '#eeeeec'
elseif has("gui_running")
    set guifont="Source Code Pro Medium 15"
    nnoremap <Leader><F11> :call ToggleFullScreen()<CR>
    if has("gui_win32")
        set guifont=Lucida_Console:h10:cANSI
    endif
else
    set t_Co=256
endif

set cursorline

"set a sudo vim
cmap w!! w !sudo tee % > /dev/null

"folding
set foldcolumn=2
set foldmethod=marker

" tabs are 4 space by default
set shiftwidth=4
set tabstop=4
set expandtab

"What highlighting group is the current cursor on ?
function! SyntaxItem()
  return synIDattr(synID(line("."),col("."),1),"name")
endfunction

"Nice statusbar
set laststatus=2
set statusline=
set statusline+=%-3.3n\                             " buffer number
set statusline+=%f\                                 " file name
set statusline+=%h%m%r%w                            " flags
set statusline+=\[%{strlen(&ft)?&ft:'none'},        " filetype
set statusline+=%{&fileencoding},                   " encoding
set statusline+=%{&fileformat},                     " file format
set statusline+=%{((exists(\"+bomb\")\ &&\ &bomb)?\"B,\":\"\")}]\  " BOM
set statusline+=%{strftime('%a\ %b\ %e\ %H:%M')}\   " hour
"set statusline+=%{SyntaxItem()}                     " syntax highlight group under cursor
set statusline+=%=                                  " right align
if !empty(glob("$HOME/.vim/pack/tpope/start/vim-fugitive/plugin/fugitive.vim"))
  set statusline+=%{fugitive#statusline()}\           " git branch
endif
set statusline+=0x%-8B\                             " current char
set statusline+=%-14.(%l,%c%V%)\ %<%P               " offset

"tags
set tags=tags,./tags,../tags,../../tags

"ARM Assembler for .s files
autocmd BufNewFile,BufRead *.s set filetype=armasm

"Markdown, not modula2
autocmd BufNewFile,BufRead *.md set filetype=markdown

autocmd BufNewFile,BufRead *.toml set filetype=dosini
autocmd BufNewFile,BufRead *.j2 set filetype=jinja

set nostartofline

"Leader-f switches from C source .c to header .h file
"It automatically detects .cpp <-> .h
"                         .c   <-> .h
"                         .cpp <-> .hpp
function! MPB_Flip_Ext()
python3 << endpython
import vim
import os.path

def loadfile(filename):
    vim.command("e {}".format(filename))

currentfile = vim.eval('expand("%")')

c_exts = ["c", "cpp", "cc"]
h_exts = ["h", "hpp"]

currentfile_split = currentfile.split(".")
if len(currentfile_split) > 0:
    ext = currentfile_split[-1]
    basename = currentfile[:-(1+len(ext))]

    if ext in c_exts:
        for h_ext in h_exts:
            h_filename = basename + "." + h_ext
            if os.path.exists(h_filename):
                loadfile(h_filename)
    elif ext in h_exts:
        for c_ext in c_exts:
            c_filename = basename + "." + c_ext
            if os.path.exists(c_filename):
                loadfile(c_filename)
endpython
endfun

noremap <F4> :call MPB_Flip_Ext()<CR>

" Added for QSO logging
function! MPB_Prepend_Time()
python << endpython
import vim
import datetime

now = datetime.datetime.utcnow()

vim.current.line = now.strftime("%Y%m%d %H%M ") + vim.current.line
endpython
endfun

noremap <F3> :call MPB_Prepend_Time()<CR>
noremap <Leader>m :lmake -j4<CR>
noremap <Leader>M :lmake -C build -j4<CR>

"Show trailing whitespace
highlight ExtraWhitespace ctermbg=darkgreen guibg=#344011
autocmd BufEnter * exe ':2match ExtraWhitespace /\s\+$\| \+\ze\t\|\t\+\ze /'

" F5 sets the search register to the word under cursor, without moving
" the cursor
noremap <F5> :let @/ = expand('<cword>')<CR>:3match none<CR>

" F6: Highlight the word under cursor in darkcyan
highlight ManualHighlight ctermbg=darkcyan guibg=darkcyan
noremap <F6> :exe printf('match ManualHighlight /%s/', escape(expand('<cword>'), '/\'))<CR>

"Show tabs
set listchars=tab:›\ ,trail:␣
set list

set completeopt=menu,menuone,longest

noremap <Leader>R :cscope reset<Enter>:CtrlPClearAllCaches<Enter>

"some CScope maps
noremap <Leader>fs :cscope f s <cword><Enter>

if has("cscope")
    " add any database in current directory
    if filereadable("cscope.out")
        cs add cscope.out
        " else add database pointed to by environment
    elseif $CSCOPE_DB != ""
        cs add $CSCOPE_DB
    endif
endif

"short tag and tselect
noremap <Leader>[ :tselect <C-r><C-w><CR>
noremap <Leader>] :tag <C-r><C-w><CR>

"I use bnext and bprev a lot
noremap [b :bprev<CR>
noremap ]b :bnext<CR>

"Same for location list
noremap [l :lprev<CR>
noremap ]l :lnext<CR>

"Error list
noremap [e :cNext<CR>
noremap ]e :cnext<CR>

noremap [h :GitGutterPrevHunk<CR>
noremap ]h :GitGutterNextHunk<CR>

"GIT stuff
noremap <Leader>gt :call TimeLapse()<cr>
noremap <Leader>gb :Git blame<cr>

noremap <Leader>e :NERDTreeToggle<CR>

noremap <Leader>T :set expandtab!<CR>

" Vim. Live it.
noremap <up> <nop>
noremap <down> <nop>
noremap <left> <nop>
noremap <right> <nop>
inoremap <down> <nop>
inoremap <left> <nop>
inoremap <right> <nop>
inoremap <up> <nop>

"very magic search
noremap <Leader>/ /\v

filetype plugin indent on