-- General Option

vim.g.mapleader = " "
vim.g.maplocalleader = " "

vim.opt.autoindent = true
vim.opt.background = 'dark'
vim.opt.backupdir = os.getenv("HOME") .. '/.local/tmp/nvim'
vim.opt.clipboard = 'unnamedplus'      --Use system clipboard
vim.opt.colorcolumn = '80'
vim.opt.directory = os.getenv("HOME") .. '/.local/tmp/nvim'
vim.opt.expandtab = true
vim.opt.foldmethod = 'syntax'
vim.opt.gdefault = true 	            -- search: all occurrences by default
vim.opt.hlsearch = true 	            -- search: hightlight terms
vim.opt.ignorecase = true
vim.opt.incsearch = true
vim.opt.laststatus = 1
-- show special character
vim.opt.listchars = {tab = '→ ', trail = '␣', eol = '', extends = '…' }

vim.opt.signcolumn = "yes"              -- alway show sign column
vim.opt.number = true
vim.opt.relativenumber = true
vim.opt.cursorline = true               -- highlight current line
vim.opt.shiftwidth = 4
vim.opt.showmatch = true
vim.opt.smartcase = true                -- search: try :to be smart about cases
vim.opt.smartindent = true
vim.opt.tabstop = 4
vim.opt.termguicolors = true            -- 24 bits color support
vim.opt.wildmenu = true                 -- activate enhanced user menu
vim.opt.wildmode = 'lastused:full,list' -- enhance menu
vim.opt.pumheight = 10
vim.opt.pumwidth = 50
vim.opt.pumblend = 10

-- Options than need vim.cmd
-- vim.cmd('syntax on')

-- -- Code Fold
-- "Load and save view atomatocally (save and restore fold)
vim.cmd('au BufWinLeave *.* mkview')
vim.cmd('au BufWinEnter *.* silent! loadview')


-- Diagnostic settings
--
-- diagnostic windows must be float
vim.diagnostic.config {
  virtual_text = false,
  signs = true,
  underline = true,
}

local signs = { Error = " ", Warn = " ", Hint = " ", Info = " " }
for type, icon in pairs(signs) do
  local hl = "DiagnosticSign" .. type
  vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
end

-- You will likely want to reduce updatetime which affects CursorHold
-- note: this setting is global and should be set only once
vim.o.updatetime = 250
vim.cmd [[autocmd! CursorHold,CursorHoldI * lua vim.diagnostic.open_float(nil, {scope='cursor', header = "", prefix = "", focus=false})]]

-- Autotype
vim.cmd('au BufRead,BufNewFile *.md setlocal textwidth=80')
vim.cmd('au BufRead,BufNewFile *.tex setlocal textwidth=80')
vim.cmd('au BufNewFile,BufRead /tmp/neomutt* set tw=72 fo=awq comments+=nb:> noautoindent filetype=mail')

-- Ignore these filenames during enhanced command line completion.
vim.opt.wildignore = {
    '*.bak',
    '*.class',
    '*.aux',
    '*.out',
    '*.toc',
    '*.jpg',
    '*.bmp',
    '*.gif',
    '*.png',
    '*.luac',
    '*.o',
    '*.obj',
    '*.exe',
    '*.dll',
    '*.manifest',
    '*.pyc',
    '*.spl',
    '*.sw?'
}