-- define common options
local opts = {
  noremap = true,           -- non-recursive
  silent = true,            -- do not show message
}

-- set leader key
vim.g.mapleader = "'"

-----------------
-- Normal mode --
-----------------

-- Hint: set `:h vim.map.set()`
-- Better window navigation
vim.keymap.set('n', '<C-h>', '<C-w>h', opts)
vim.keymap.set('n', '<C-j>', '<C-w>j', opts)
vim.keymap.set('n', '<C-k>', '<C-w>k', opts)
vim.keymap.set('n', '<C-l>', '<C-w>l', opts)

-- Resize with arrows
vim.keymap.set('n', '<C-Up>', ':resize -2<CR>', opts)
vim.keymap.set('n', '<C-Down>', ':resize +2<CR>', opts)
vim.keymap.set('n', '<C-Left>', ':vertical resize -2<CR>', opts)
vim.keymap.set('n', '<C-Right>', ':vertical resize +2<CR>', opts)
vim.keymap.set('n', '<leader>wh :vertical resize', '-1<CR>')
vim.keymap.set('n', '<leader>wj :resize', '-1<CR>')
vim.keymap.set('n', '<leader>wk :resize', '+1<CR>')
vim.keymap.set('n', '<leader>wl :vertical resize', '+1<CR>')

-- NerdTREE
vim.keymap.set('n', '<leader>tt', ':NERDTreeToggle<CR>')

-- files
-- these may go away soon
vim.keymap.set('n', '<leader>xx', ':q<CR>')
vim.keymap.set('n', '<leader>x!', ':q!<CR>')

-- Close with leader
vim.keymap.set('n', '<leader>ww', ':w<CR>', opts)
vim.keymap.set('n', '<leader>qq', ':q<CR>', opts)
vim.keymap.set('n', '<leader>wq', ':wq<CR>', opts)
vim.keymap.set('n', '<leader>q!', ':q!<CR>', opts)
vim.keymap.set('n', '<leader>wq', ':wq<CR>')
vim.keymap.set('n', '<leader>ee :e', '')

-- Tabs with leader
vim.keymap.set('n', '<leader>th', ':tabprevious<CR>', opts)
vim.keymap.set('n', '<leader>tl', ':tabnext<CR>', opts)
vim.keymap.set('n', '<leader>tk', ':tabnew<CR>', opts)
vim.keymap.set('n', '<leader>tj', ':tabclose<CR>', opts)

-- Write with sudo
vim.keymap.set('n', 'ZW', ':w !pkexec tee % >/dev/null', opts)

-- clear search highlights
vim.keymap.set('n', '<leader>/', ':noh<CR>')

-- toggles
vim.keymap.set('n', '<leader>tn :set', 'number!<CR>')
vim.keymap.set('n', '<leader>tr :set', 'relativenumber!<CR>')

-- write as root
vim.keymap.set('n', 'ZW', ':w !pkexec tee % >/dev/null')

-- config
vim.keymap.set('n', '<leader>en', ':e ~/.config/nvim/init.lua<CR>')
vim.keymap.set('n', '<leader>ec', ':source %<CR>')
vim.keymap.set('n', '<leader>er', ':source ~/.config/nvim/init.lua<CR>')

-- Goyo
vim.keymap.set('n', '<leader>G', ':Goyo<CR>')

-- fugitive
vim.keymap.set('n', '<leader>gp :G', 'pull<CR>')
vim.keymap.set('n', '<leader>gd :G diff', '%<CR>')

-----------------
-- Visual mode --
-----------------

-- Hint: start visual mode with the same area as the previous area and the same mode
--vim.keymap.set('v', '<', '<gv', opts)
--vim.keymap.set('v', '>', '>gv', opts)

-- windows
vim.keymap.set('v', '<C-h>', '<C-w>h')
vim.keymap.set('v', '<C-j>', '<C-w>j')
vim.keymap.set('v', '<C-k>', '<C-w>k')
vim.keymap.set('v', '<C-l>', '<C-w>l')

--------------
-- TERMINAL --
--------------

-- escape for term windows
vim.keymap.set('t', '<Esc>', '<C-\\><C-n>')