local status_ok, neoscroll = pcall(require, "neoscroll")
if not status_ok then
  return
end

neoscroll.setup {
  -- All these keys will be mapped to their corresponding default scrolling animation
  mappings = { "<C-u>", "<C-d>", "<C-b>", "<C-f>", "<C-y>", "<C-e>", "zt", "zz", "zb", "n", "N" },
  hide_cursor = true,          -- Hide cursor while scrolling
  stop_eof = true,             -- Stop at <EOF> when scrolling downwards
  use_local_scrolloff = false, -- Use the local scope of scrolloff instead of the global scope
  respect_scrolloff = false,   -- Stop scrolling when the cursor reaches the scrolloff margin of the file
  cursor_scrolls_alone = true, -- The cursor will keep on scrolling even if the window cannot scroll further
  easing_function = nil,       -- Default easing function
  pre_hook = nil,              -- Function to run before the scrolling animation starts
  post_hook = nil,             -- Function to run after the scrolling animation ends
  performance_mode = false,    -- Disable "Performance Mode" on all buffers.
}


local t = {}
-- Syntax: t[keys] = {function, {function arguments}}
t['<C-u>'] = {'scroll', {'-vim.wo.scroll', 'true', '250'}}
t['<C-d>'] = {'scroll', { 'vim.wo.scroll', 'true', '250'}}
t['<C-b>'] = {'scroll', {'-vim.api.nvim_win_get_height(0)', 'true', '450'}}
t['<C-f>'] = {'scroll', { 'vim.api.nvim_win_get_height(0)', 'true', '450'}}
t['<C-y>'] = {'scroll', {'-0.10', 'false', '100'}}
t['<C-e>'] = {'scroll', { '0.10', 'false', '100'}}
t['zt']    = {'zt', {'200'}}
t['zz']    = {'zz', {'200'}}
t['zb']    = {'zb', {'200'}}
t['gg']    = {'scroll', {'-2*vim.api.nvim_buf_line_count(0)', 'true', '1', '5', e}}
t['G']     = {'scroll', {'2*vim.api.nvim_buf_line_count(0)', 'true', '1', '5', e}}

require('neoscroll.config').set_mappings(t)
