vim.keymap.set("n", "<C-s>", ":w ++p<CR>", { desc = "save file" })
vim.keymap.set("v", "<C-s>", ":w ++p<CR>", { desc = "save file" })
vim.keymap.set("i", "<C-s>", "<Esc>:w ++p<CR>a", { desc = "save file" })
vim.keymap.set("n", ";", ":", { desc = "command with ;" })
vim.keymap.set("v", ";", ":", { desc = "command with ;" })
vim.keymap.set("n", "q", ":bd<cr>", { desc = "close buffer" })
vim.keymap.set("n", "Q", ":%bd<cr>", { desc = "close all buffers" })
vim.keymap.set({ "n", "v" }, "d", '"_d', { desc = "delete without cut" })
vim.keymap.set({ "n", "v" }, "c", '"_c', { desc = "ddelete without cutelete without cut" })
vim.keymap.set({ "v", "n" }, "vv", "<C-v>", { desc = "vv for visual block" })
vim.keymap.set("i", "jj", "<ESC>", { silent = true, desc = "back to normal with jj" })
-- Exit terminal mode in the builtin terminal with a shortcut that is a bit easier
-- for people to discover. Otherwise, you normally need to pres <C-\><C-n>, which
-- is not what someone will guess without a bit more experience.
--
-- NOTE: This won't work in all terminal emulators/tmux/etc. Try your own mapping
-- or just use <C-\><C-n> to exit terminal mode
vim.keymap.set("t", "<Esc><Esc>", "<C-\\><C-n>", { desc = "Exit terminal mode" })

-- TIP: Disable arrow keys in normal mode
vim.keymap.set("n", "<left>", '<cmd>echo "Use h to move!!"<CR>')
vim.keymap.set("n", "<right>", '<cmd>echo "Use l to move!!"<CR>')
vim.keymap.set("n", "<up>", '<cmd>echo "Use k to move!!"<CR>')
vim.keymap.set("n", "<down>", '<cmd>echo "Use j to move!!"<CR>')

-- Keybindings to make split navigation easier.
--  Use CTRL+<hjkl> to switch between windows
--
--  See `:help wincmd` for a list of all window commands
vim.keymap.set("n", "<C-h>", "<C-w><C-h>", { desc = "Move focus to the left window" })
vim.keymap.set("n", "<C-l>", "<C-w><C-l>", { desc = "Move focus to the right window" })
vim.keymap.set("n", "<C-j>", "<C-w><C-j>", { desc = "Move focus to the lower window" })
vim.keymap.set("n", "<C-k>", "<C-w><C-k>", { desc = "Move focus to the upper window" })

vim.keymap.set("v", "<C-r>", function()
	-- get contents of visual selection
	-- handle unpack deprecation
	table.unpack = table.unpack or unpack
	function get_visual()
		local _, ls, cs = table.unpack(vim.fn.getpos("v"))
		local _, le, ce = table.unpack(vim.fn.getpos("."))
		return vim.api.nvim_buf_get_text(0, ls - 1, cs - 1, le - 1, ce, {})
	end

	local pattern = table.concat(get_visual())
	-- escape regex and line endings
	pattern = vim.fn.substitute(vim.fn.escape(pattern, "^$.*\\/~[]"), "\n", "\\n", "g")
	-- send parsed substitution command to command line
	vim.api.nvim_input("<Esc>:%s/" .. pattern .. "//<Left>")
end)