add({
    'm4xshen/smartcolumn.nvim', -- smart column when needed
    'karb94/neoscroll.nvim', -- smooth scrolling
    'OXY2DEV/markview.nvim', -- rendering for html and markdown
    { 'serhez/bento.nvim' }, -- buffer manager
    'akinsho/toggleterm.nvim', --float terminal
    'max397574/better-escape.nvim', -- better escape
    'zbirenbaum/neodim', -- dimming the highlights of unused functions, variables, parameters, and more
})

-- lazy load UI enhancement plugins
vim.api.nvim_create_autocmd({ 'BufReadPost', 'BufNewFile' }, {
    callback = function()
        require('neoscroll').setup({
            mappings = { '<C-u>', '<C-d>', '<C-b>', '<C-f>', '<C-y>', '<C-e>', 'zt', 'zz', 'zb' },
        })
        require('neodim').setup({
            alpha = 0.5,
            blend_color = nil,
            hide = {
                underline = true,
                virtual_text = true,
                signs = true,
            },
            regex = {
                '[uU]nused',
                '[nN]ever [rR]ead',
                '[nN]ot [rR]ead',
            },
            priority = 128,
            disable = {},
        })
    end,
})

-- lazy load markdown preview
vim.api.nvim_create_autocmd('FileType', {
    pattern = 'markdown',
    callback = function()
        require('markview').setup({
            preview = {
                icon_provider = 'mini',
                enable = false,
            },
        })
    end,
})
vim.keymap.set('n', '<leader>cv', '<cmd>Markview toggle<cr>', { desc = 'toggle markdown preview' })

-- smart column only when needed
require('smartcolumn').setup({
    colorcolumn = '120',
    disabled_filetypes = {
        'help',
        'text',
        'markdown',
        'oil',
        'snacks_dashboard',
        'dashboard',
    },
})

require('bento').setup({})

require('toggleterm').setup({
    size = 10,
    open_mapping = [[<c-\>]],
    hide_numbers = true,
    shade_filetypes = {},
    shade_terminals = true,
    shading_factor = '2',
    start_in_insert = true,
    insert_mappings = true,
    terminal_mappings = true,
    persist_size = true,
    direction = 'float',
    close_on_exit = true,
    shell = vim.o.shell,
    float_opts = {
        border = 'curved',
        winblend = 0,
        highlights = {
            border = 'Normal',
            background = 'Normal',
        },
    },
})

-- lazy load better escape
vim.api.nvim_create_autocmd('InsertEnter', {
    callback = function()
        require('better_escape').setup({
            mappings = {
                i = {
                    k = { j = '<Esc>' },
                    j = { k = '<Esc>', j = '<Esc>' },
                    -- disable jj
                    -- j = { j = false },
                },
            },
        })
    end,
    once = true,
})