require("bufferline").setup {
    animation = true,
    auto_hide = true,
    tabpages = true,
    closable = true,
    clickable = true,
    icon_separator_active = '',
    icon_separator_inactive = '▎',
    icon_close_tab = '',
    icon_close_tab_modified = '',
    icon_pinned = '車',
    --separator_style = "slant",
    --numbers = "buffer_id",
}


vim.keymap.set('n', '<leader>bh', '<Cmd>BufferPrevious<CR>', {desc = "buffer previous"})
vim.keymap.set('n', '<leader>bl', '<Cmd>BufferNext<CR>', {desc = "buffer next"})
-- Re-order to previous/next
vim.keymap.set('n', '<leader>b<', '<Cmd>BufferMovePrevious<CR>', { desc = "move previous" })
vim.keymap.set('n', '<leader>b>', '<Cmd>BufferMoveNext<CR>', { desc = "move next" })
-- Goto buffer in position...
vim.keymap.set("n", "<leader>bH", "<Cmd>BufferFirst<CR>", { desc = "first" })
vim.keymap.set('n', '<leader>bs1', '<Cmd>BufferGoto 1<CR>', { desc = "1" })
vim.keymap.set('n', '<leader>bs2', '<Cmd>BufferGoto 2<CR>', { desc = "2" })
vim.keymap.set('n', '<leader>bs3', '<Cmd>BufferGoto 3<CR>', { desc = "3" })
vim.keymap.set('n', '<leader>bs4', '<Cmd>BufferGoto 4<CR>', { desc = "4" })
vim.keymap.set('n', '<leader>bs5', '<Cmd>BufferGoto 5<CR>', { desc = "5" })
vim.keymap.set('n', '<leader>bs6', '<Cmd>BufferGoto 6<CR>', { desc = "6" })
vim.keymap.set('n', '<leader>bs7', '<Cmd>BufferGoto 7<CR>', { desc = "7" })
vim.keymap.set('n', '<leader>bs8', '<Cmd>BufferGoto 8<CR>', { desc = "8" })
vim.keymap.set('n', '<leader>bs9', '<Cmd>BufferGoto 9<CR>', { desc = "9" })
vim.keymap.set('n', '<leader>bL', '<Cmd>BufferLast<CR>', { desc = "last" })
-- Pin/unpin buffer
vim.keymap.set('n', '<leadder>bp', '<Cmd>BufferPin<CR>', { desc = "pin" })
-- Close buffer
vim.keymap.set('n', '<leader>bc', '<Cmd>BufferClose<CR>', { desc = "close" })
-- Wipeout buffer
--                 :BufferWipeout
-- Close commands
--                 :BufferCloseAllButCurrent
--                 :BufferCloseAllButPinned
--                 :BufferCloseAllButCurrentOrPinned
--                 :BufferCloseBuffersLeft
--                 :BufferCloseBuffersRight
-- Magic buffer-picking mode
vim.keymap.set('n', '<leader>bb', '<Cmd>BufferPick<CR>', { desc = "buffer picker" })
-- Sort automatically by...
--vim.keymap.set('n', '<Space>bb', '<Cmd>BufferOrderByBufferNumber<CR>', { desc = "" })
--vim.keymap.set('n', '<Space>bd', '<Cmd>BufferOrderByDirectory<CR>', { desc = "" })
--vim.keymap.set('n', '<Space>bl', '<Cmd>BufferOrderByLanguage<CR>', { desc = "" })
--vim.keymap.set('n', '<Space>bw', '<Cmd>BufferOrderByWindowNumber<CR>', { desc = "" })


local nvim_tree_events = require('nvim-tree.events')
local bufferline_api = require('bufferline.api')

local function get_tree_size()
  return require'nvim-tree.view'.View.width
end

nvim_tree_events.subscribe('TreeOpen', function()
  bufferline_api.set_offset(get_tree_size())
end)

nvim_tree_events.subscribe('Resize', function()
  bufferline_api.set_offset(get_tree_size())
end)

nvim_tree_events.subscribe('TreeClose', function()
  bufferline_api.set_offset(0)
end)