-- [[ Setting options ]]
-- See `:help vim.o`

-- Set <space> as the leader key
vim.g.mapleader = " "
vim.g.maplocalleader = " "

vim.o.diffopt = "vertical,closeoff,filler"

local opt = vim.opt

-- stylua: ignore
opt.autowrite = true           -- Enable auto write
opt.clipboard = "unnamedplus"  -- Sync with system clipboard
opt.completeopt = "menu,menuone,noselect"
opt.conceallevel = 2           -- Hide * markup for bold and italic
opt.confirm = true             -- Confirm to save changes before exiting modified buffer
opt.cursorline = true          -- Enable highlighting of the current line
opt.expandtab = true           -- Use spaces instead of tabs
opt.formatoptions = "jcroqlnt" -- tcqj
opt.grepformat = "%f:%l:%c:%m"
opt.grepprg = "rg --vimgrep"
opt.ignorecase = true      -- Ignore case
opt.inccommand = "nosplit" -- preview incremental substitute
opt.laststatus = 0
opt.list = true            -- Show some invisible characters (tabs...
opt.mouse = "a"            -- Enable mouse mode
opt.number = true          -- Print line number
opt.pumblend = 10          -- Popup blend
opt.pumheight = 10         -- Maximum number of entries in a popup
opt.relativenumber = true  -- Relative line numbers
opt.scrolloff = 15         -- Lines of context
opt.sessionoptions = { "buffers", "curdir", "tabpages", "winsize" }
opt.shiftround = true      -- Round indent
opt.shiftwidth = 2         -- Size of an indent
-- opt.shortmess:append({ W = true, I = true, c = true }) -- INFO: this control the format of some messages
opt.showmode = false       -- Dont show mode since we have a statusline
opt.sidescrolloff = 8      -- Columns of context
opt.signcolumn = "yes"     -- Always show the signcolumn, otherwise it would shift the text each time
opt.smartcase = true       -- Don't ignore case with capitals
opt.smartindent = true     -- Insert indents automatically
opt.spelllang = { "en" }
opt.splitbelow = true      -- Put new windows below current
opt.splitright = true      -- Put new windows right of current
opt.tabstop = 2            -- Number of spaces tabs count for
opt.termguicolors = true   -- True color support
opt.timeoutlen = 300
opt.undofile = true
opt.undolevels = 10000
opt.updatetime = 200               -- Save swap file and trigger CursorHold
opt.wildmode = "longest,list:full" -- Command-line completion mode
opt.winminwidth = 5                -- Minimum window width
opt.wrap = false                   -- Disable line wrap

vim.o.sessionoptions = "blank,buffers,curdir,folds,help,tabpages,winsize,winpos,terminal,localoptions"

local fn = vim.fn

-- Quickfix customization
function _G.qftf(info)
	local items
	local ret = {}
	-- The name of item in list is based on the directory of quickfix window.
	-- Change the directory for quickfix window make the name of item shorter.
	-- It's a good opportunity to change current directory in quickfixtextfunc :)
	--
	-- local alterBufnr = fn.bufname('#') -- alternative buffer is the buffer before enter qf window
	-- local root = getRootByAlterBufnr(alterBufnr)
	-- vim.cmd(('noa lcd %s'):format(fn.fnameescape(root)))
	--
	if info.quickfix == 1 then
		items = fn.getqflist({ id = info.id, items = 0 }).items
	else
		items = fn.getloclist(info.winid, { id = info.id, items = 0 }).items
	end
	local limit = 31
	local fnameFmt1, fnameFmt2 = "%-" .. limit .. "s", "…%." .. (limit - 1) .. "s"
	local validFmt = "%s │%5d:%-3d│%s %s"
	for i = info.start_idx, info.end_idx do
		local e = items[i]
		local fname = ""
		local str
		if e.valid == 1 then
			if e.bufnr > 0 then
				fname = fn.bufname(e.bufnr)
				if fname == "" then
					fname = "[No Name]"
				else
					fname = fname:gsub("^" .. vim.env.HOME, "~")
				end
				-- char in fname may occur more than 1 width, ignore this issue in order to keep performance
				if #fname <= limit then
					fname = fnameFmt1:format(fname)
				else
					fname = fnameFmt2:format(fname:sub(1 - limit))
				end
			end
			local lnum = e.lnum > 99999 and -1 or e.lnum
			local col = e.col > 999 and -1 or e.col
			local qtype = e.type == "" and "" or " " .. e.type:sub(1, 1):upper()
			str = validFmt:format(fname, lnum, col, qtype, e.text)
		else
			str = e.text
		end
		table.insert(ret, str)
	end
	return ret
end

-- TODO: how to customize?
vim.o.qftf = "{info -> v:lua._G.qftf(info)}"

vim.filetype.add({
	-- Detect and assign filetype based on the extension of the filename
	extension = {
		mdx = "mdx",
		log = "log",
		conf = "conf",
		env = "dotenv",
	},
	-- Detect and apply filetypes based on the entire filename
	filename = {
		[".env"] = "dotenv",
		["env"] = "dotenv",
		["tsconfig.json"] = "jsonc",
	},
	-- Detect and apply filetypes based on certain patterns of the filenames
	pattern = {
		-- INFO: Match filenames like - ".env.example", ".env.local" and so on
		["%.env%.[%w_.-]+"] = "dotenv",
		[".*%.blade%.php"] = "blade",
		[".*%.hurl.*"] = "hurl",
		[".*/hypr/.*%.conf"] = "hyprlang",
	},
})