local g = vim.g       -- Global variables
local opt = vim.opt   -- Set options (global/buffer/windows-scoped)

-----------------------------------------------------------
-- General
-----------------------------------------------------------
opt.mouse = ''              -- Disable mouse support
opt.swapfile = false        -- Don't use swapfile
opt.modelines = 0           -- Disable modelines
opt.encoding = 'utf-8'      -- Set default encoding to UTF-8

opt.termguicolors = true

-- Note that this setting is important for which-key. Also don't reduce it too
-- low, or the behavior will start getting wonky and always show which-key.
opt.timeoutlen = 500        -- Time in ms to wait for a sequnece to complete

opt.shortmess:remove("F")
vim.opt_global.shortmess:remove("F")
opt.shortmess:append("c")

opt.wildignore = {
	'*.class', '*.pyc', '*.swp', '*.o', '*.jar', '*/tmp/*', '*.zip',
	'*.tar', '*.gz', '*.bz2', '*.xz', '*/.git/*', '*/.metals/*',
	'*/.bloop/*', '*/.bsp/*', '*/node_modules/*'
}

-----------------------------------------------------------
-- Completion
-----------------------------------------------------------

-- menu = use a popup menu to show possible completions
-- menuone = show a menu even if there is only one match
-- noinsert = do not insert text for a match until user selects one
-- noselect = do not select a match from the menu automatically
opt.completeopt = 'menu,menuone,noinsert,noselect'
g.completion_enable_auto_popup = 1 -- Enable completions while typing

-----------------------------------------------------------
-- Neovim UI
-----------------------------------------------------------
opt.number = true           -- Show line number
opt.cursorline = true       -- Highlight the current line
opt.showcmd = true          -- Show incomplete commands at the bottom
opt.ttyfast = true          -- Rendering optimizations
opt.showmatch = true        -- Highlight matching parenthesis
opt.colorcolumn = '80'      -- Line length marker at 80 columns
opt.ruler = true            -- Show row and column number
opt.signcolumn = 'yes'      -- Always show the sign column
opt.foldmethod = 'marker'   -- Enable folding (default 'foldmarker')
opt.splitright = true       -- Vertical split to the right
opt.splitbelow = true       -- Horizontal split to the bottom
opt.linebreak = true        -- Wrap on word boundary
opt.termguicolors = true    -- Enable 24-bit RGB colors
opt.laststatus = 3          -- Set global statusline

-----------------------------------------------------------
-- Tabs, indent
-----------------------------------------------------------
opt.tabstop = 4
opt.shiftwidth = 4
opt.softtabstop = 4
opt.expandtab = true
opt.smarttab = true
opt.autoindent = true

-- I don't use indentation when writing HTML, and autoindentation makes any form
-- of editing flat out painful.
vim.api.nvim_create_autocmd("FileType", {
    pattern = 'html',
    callback = function()
        vim.opt_local.autoindent = false
        vim.opt_local.indentexpr = ''
    end,
})

-----------------------------------------------------------
-- Memory, CPU
-----------------------------------------------------------
opt.hidden = true           -- Enable background buffers
opt.lazyredraw = true       -- Faster scrolling
opt.synmaxcol = 240         -- Max column for syntax highlight
opt.updatetime = 500        -- ms to wait for trigger an event

-----------------------------------------------------------
-- History
-----------------------------------------------------------
opt.history = 512
opt.undolevels = 128
opt.undofile = true

-----------------------------------------------------------
-- Search
-----------------------------------------------------------
opt.ignorecase = true
opt.smartcase = true
opt.incsearch = true
opt.showmatch = true
opt.hlsearch = true

-----------------------------------------------------------
-- Startup
-----------------------------------------------------------

-- Disable nvim intro
opt.shortmess:append("sI")