vim.g.mapleader = ' '

-- Quick write
vim.keymap.set('n', '<leader>w', ':w!<CR>', { remap = false })

-- Treat long lines as line containing breaks
vim.keymap.set('n', 'j', 'gj', { remap = false })
vim.keymap.set('n', 'k', 'gk', { remap = false })

vim.keymap.set('n', '<leader>tn', ':tabnew<Space>', { remap = false })
vim.keymap.set('n', '<leader>tc', ':tabclose<CR>', { remap = false })
vim.keymap.set('n', '<leader>to', ':tabonly<CR>', { remap = false })
vim.keymap.set('n', '<leader>tm', ':tabmove<Space>', { remap = false })

-- Quickly access spelling menu
vim.keymap.set('i', '<C-s>', '<C-g>u<C-X>s', { remap = false })
vim.keymap.set('n', '<C-s>', 'i<C-g>u<C-X>s', { remap = false })

-- Clear search highlights
vim.keymap.set('n', '<leader><Space>', ':nohlsearch<CR>', { remap = false })

-- Disable 'Q' from opening Ex mode
vim.keymap.set('n', 'Q', '<nop>', { remap = false })

-- Yank and put mappings
-- TODO: This doesn't handle all use cases, only the basics. For example,
-- this doesn't handle a local tmux session with a remote nvim in a pane.
-- if tmux#isOption('set-clipboard', 'on') || $SSH_CONNECTION !=# ''
  -- " When connected to a remote session the + selection register is not
  -- " available and the unnamed register is used instead. Add mappings using the
  -- " z register instead.
  -- noremap <leader>y "zy
  -- noremap <leader>Y "zY
  -- " Enable OSC 52 copy on yank.
  -- call osc52#autocmd()
-- else
  -- System clipboard yank/put
  vim.keymap.set('', '<leader>y', '"+y', { remap = false })
  vim.keymap.set('', '<leader>Y', '"+Y', { remap = false })
  vim.keymap.set('', '<leader>p', '"+p', { remap = false })
  vim.keymap.set('', '<leader>P', '"+P', { remap = false })
-- end

-- Undo neovim's default mapping of Y to y$
vim.cmd('unmap Y')

-- Make nvim :terminal more like vim :terminal
vim.keymap.set('t', '<C-w>N', '<C-\\><C-n>', { remap = true })

-- Mappings to make navigating :Termdebug
local opts = { remap = false, silent = true }
vim.keymap.set('n', '<C-w><C-g>', ':Gdb<CR>:startinsert<CR>', opts)
vim.keymap.set('n', '<C-w><C-e>', ':Program<CR>', opts)
vim.keymap.set('n', '<C-w><C-s>', ':Source<CR>', opts)
vim.keymap.set('t', '<C-w><C-g>', '<C-\\><C-n>:Gdb<CR>:startinsert<CR>', opts)
vim.keymap.set('t', '<C-w><C-e>', '<C-\\><C-n>:Program<CR>', opts)
vim.keymap.set('t', '<C-w><C-s>', '<C-\\><C-n>:Source<CR>', opts)