-----------------------------------------------------------------------------
--- moving around, searching and patterns
-----------------------------------------------------------------------------

-- ignore case when using a search pattern
vim.opt.ignorecase = true

-- override 'ignorecase' when pattern has upper case characters
vim.opt.smartcase = true

-----------------------------------------------------------------------------
--- syntax, highlighting and spelling
-----------------------------------------------------------------------------

-- "dark" or "light"; the background color brightness
vim.opt.background = 'light'

-----------------------------------------------------------------------------
--- messages and info
-----------------------------------------------------------------------------

-- list of flags to make messages shorter
vim.opt.shortmess = 'atTWoOI'

-----------------------------------------------------------------------------
--- displaying text
-----------------------------------------------------------------------------

-- preserve indentation in wrapped text
vim.opt.breakindent = true

-----------------------------------------------------------------------------
--- editing text
-----------------------------------------------------------------------------

-- line length above which to break a line
vim.opt.textwidth = 78

-- list of flags that tell how automatic formatting works
vim.opt.formatoptions = 'tcroqn1l'

-- pattern to recognize a numbered list
-- [[…]] is the Lua way to disable escape sequences in strings
vim.opt.formatlistpat = [[^\v\s*(((#|\a|\d{,4}|[ivx]{,4})[]:.)}/])+|[-\*.·→+])\s+]]

-- whether to use a popup menu for Insert mode completion
vim.opt.completeopt = { 'menu', 'noinsert', 'popup', 'preview' }

-- number of spaces used for each step of (auto)indent
vim.opt.shiftwidth = 2

-- round to 'shiftwidth' for "<<" and ">>"
vim.opt.shiftround = true

-- expand <Tab> to spaces in Insert mode
vim.opt.expandtab = true

-- copy whitespace for indenting from previous line
vim.opt.copyindent = true

-- preserve kind of whitespace when changing indent
vim.opt.preserveindent = true

-- automatically save and restore undo history
vim.opt.undofile = true

-----------------------------------------------------------------------------
--- folding
-----------------------------------------------------------------------------

-- folding type: "manual", "indent", "expr", "marker", "syntax" or "diff"
vim.opt.foldmethod = 'marker'

-----------------------------------------------------------------------------
--- reading and writing files
-----------------------------------------------------------------------------

-- automatically write a file when leaving a modified buffer
vim.opt.autowrite = true

-- as 'autowrite', but works with more commands
vim.opt.autowriteall = true

-- automatically read a file when it was modified outside of Vim
vim.opt.autoread = true

-----------------------------------------------------------------------------
--- the swap file
-----------------------------------------------------------------------------

-- list of directories for the swap file
vim.opt.directory = { '.', vim.g.statedir .. '/swap//', '/var/tmp//', '$TMPDIR//', '/tmp//' }

-----------------------------------------------------------------------------
--- command line editing
-----------------------------------------------------------------------------

-- list of patterns to ignore files for file name completion
vim.opt.wildignore = { '*.o', '*.pyc', '*.pyo', '*~', '*.bk', '*.bak' }

-----------------------------------------------------------------------------
--- various
-----------------------------------------------------------------------------

-- safer working with script files in the current directory
vim.opt.secure = true

-- list that specifies what to write in the ShaDa file
vim.opt.shada = {'!', '%', '\'100', '/100', ':100', '<100', '@100', 'f1', 'h', 's10' }
-- location of shada file
vim.opt.shadafile = vim.g.statedir .. "shada/main.shada"

-- disable the mouse entirely
vim.opt.mouse = ''