-- Global settings

local opt = vim.opt -- make things quicker to type

opt.relativenumber	= true
opt.number			= true -- display the current line number instead of 0

-- Make searching a little better
opt.ignorecase	= true
opt.smartcase	= true
opt.hlsearch	= true
opt.incsearch	= true

opt.splitright 	= true
opt.splitbelow	= true

-- write to swap file after this much wait time,
-- also defines CursorHold
opt.updatetime 	= 50

-- Scrolloff and sidescroll to keep context on screen
opt.scrolloff 	= 15
opt.sidescroll 	= 6

-- Use 24 colours in terminal
opt.termguicolors = true

-- Set terminal title
opt.title		= true

-- Spell in english
opt.spelllang	= 'en_gb'

-- Ignore compiled files.
opt.wildignore = {
	"*pycache*",
	"*.o",
	"*~",
	"*.pyc"}

-- sign column (mid width 2 max width 5)
opt.signcolumn = "auto:2-5"

-- Cursorline
-- Configured to only show in the current buffer
opt.cursorline = true -- start enabled
local auGroupCursorLine = vim.api.nvim_create_augroup("CursorLine", {clear = true})
local set_cursorline = function(event, value, pattern)
	vim.api.nvim_create_autocmd(event, {
		group = auGroupCursorLine,
		pattern = pattern,
		callback = function()
			vim.opt_local.cursorline = value
		end,
	})
end

set_cursorline("WinLeave", false)
set_cursorline("WinEnter", true)
set_cursorline("Filetype", false, "TelescopePrompt") -- no cursorline for Telescope

-- UI
opt.showmode 	= false
opt.showcmd 	= true
opt.cmdheight 	= 1


-- Indentation
opt.autoindent	= true
opt.cindent		= true
opt.wrap		= true

opt.tabstop		= 4
opt.shiftwidth	= 4
opt.softtabstop	= 4
opt.expandtab	= false

opt.breakindent = true
opt.showbreak	= '>'
opt.linebreak	= true


-- Misc
opt.belloff = "all"
opt.clipboard = "unnamedplus" -- sync to system clipboard
opt.mouse = "a"

-- Odd format options
-- fixes a few bugbears of mine.

local auGroupFormatOptions = vim.api.nvim_create_augroup("FormatOptions", {clear = true})

vim.api.nvim_create_autocmd("FileType",
{
group = auGroupFormatOptions,
pattern = "*",
callback = function ()
	vim.opt.formatoptions = vim.opt.formatoptions
	- "r" -- don't auto comment
	- "o" -- REALLY don't auto comment
end
})

opt.shortmess = ""
	.. "f" -- short filecount
	.. "l" -- shorten lines and bytes count
	.. "m" -- [modified] -> [+]
	.. "n" -- [NewFile]  -> [New]
	.. "r" -- [readonly] -> [RO]
	.. "w" -- written    -> [w]
    .. "x" -- Short format
	.. "o" -- read message replaces write message
	.. "O" -- read message overwrite previous message
	.. "s" -- Don't say when search wraps
	.. "I" -- Don't show intro message