" Packer plugins
lua require('plugins')

" Gruvbox Theme
if has('termguicolors')
  set termguicolors
endif
" For dark version.
set background=dark
" Set contrast.
" This configuration option should be placed before `colorscheme gruvbox-material`.
" Available values: 'hard', 'medium'(default), 'soft'
let g:gruvbox_material_background = 'medium'
" For better performance
let g:gruvbox_material_better_performance = 1
colorscheme gruvbox-material

" Miscellaneous boilerplate
set nocompatible " Disable vi compatibility
set ignorecase
set cc=80        " 80 characters
set noswapfile
set backupdir=~/.cache/nvim
set cursorline   " Highlight current line
set mouse=a      " Mouse

" Default indentation
set softtabstop=4
set tabstop=4
set shiftwidth=4
set expandtab
set autoindent

" Syntax highlighting
set syntax=on

" Show line numbers on non-toolbar buffers
fun! ShowNumberIfNecessary()
    if &ft =~ 'neo-tree|toggleterm'
        return
    endif
    setlocal nu
endfun
autocmd BufEnter * call ShowNumberIfNecessary()
autocmd TermOpen,TermEnter term://* setlocal nonumber

" Terminal remapping
lua << EOF
function _G.set_terminal_keymaps()
    local opts = {buffer = 0}
    vim.keymap.set('t', '<esc>', [[<C-\><C-n>]], opts)
    vim.keymap.set('t', 'jk', [[<C-\><C-n>]], opts)
    vim.keymap.set('t', '<C-h>', [[<Cmd>wincmd h<CR>]], opts)
    vim.keymap.set('t', '<C-j>', [[<Cmd>wincmd j<CR>]], opts)
    vim.keymap.set('t', '<C-k>', [[<Cmd>wincmd k<CR>]], opts)
    vim.keymap.set('t', '<C-l>', [[<Cmd>wincmd l<CR>]], opts)
end
EOF
autocmd TermOpen term://* lua set_terminal_keymaps()

" Focus moving remaps
lua << EOF
function _G.set_focus_keymaps()
    vim.keymap.set('n', '<C-h>', [[<Cmd>wincmd h<CR>]], opts)
    vim.keymap.set('n', '<C-j>', [[<Cmd>wincmd j<CR>]], opts)
    vim.keymap.set('n', '<C-k>', [[<Cmd>wincmd k<CR>]], opts)
    vim.keymap.set('n', '<C-l>', [[<Cmd>wincmd l<CR>]], opts)
end
EOF
autocmd BufEnter * lua set_focus_keymaps()

" Startup commands
autocmd UIEnter * Neotree