vim.g.mapleader = " "

-- Splits keybindings
vim.keymap.set("n", "<leader>s",  "<ESC>:vsplit<CR>")
vim.keymap.set("n", "<leader>vs", "<ESC>:split<CR>")

-- Splits shortcuts
vim.keymap.set("n", "<leader>j", "<C-W><C-J>")
vim.keymap.set("n", "<leader>k", "<C-W><C-K>")
vim.keymap.set("n", "<leader>l", "<C-W><C-L>")
vim.keymap.set("n", "<leader>h", "<C-W><C-H>")

-- Horizontal window resizing
vim.keymap.set("n", "<leader>.", "<C-W>>")
vim.keymap.set("n", "<leader>,", "<C-W><")

-- Copy to system clipboard
vim.keymap.set("n", "<leader>y", '"+y')
vim.keymap.set("v", "<leader>y", '"+y')
vim.keymap.set("n", "<leader>d", '"+d')
vim.keymap.set("v", "<leader>d", '"+d')

-- Terminal mode
-- au TerminalOpen * setlocal nospell
vim.keymap.set('t', "<leader><ESC>", "<C-\\><C-n>")
vim.keymap.set('t', "<S-space>", "<space>")

-- Tabs
vim.keymap.set("n", "<leader>tn", ":tabnew<CR>")
vim.keymap.set("n", "<leader>tt", ":tabnew | term<CR>")
vim.keymap.set("n", "<leader>th", ":tabprevious<CR>")
vim.keymap.set("n", "<leader>tl", ":tabnext<CR>")
vim.keymap.set("n", "<leader>tc", ":tabclose<CR>")
vim.keymap.set("n", "<leader>t,", ":tabmove -1<CR>")
vim.keymap.set("n", "<leader>t.", ":tabmove +1<CR>")

-- Trailing whitespace trimmer
function trim_whitespace()
  local view = vim.fn.winsaveview()
  vim.cmd.retab()
  vim.cmd[[keeppatterns %s/\s\+$//e]]
  vim.fn.winrestview(view)
end
vim.keymap.set("n", "<leader>f", trim_whitespace)