local kind_icons = {
  Text = "",
  Method = "󰆧",
  Function = "󰊕",
  Constructor = "",
  Field = "󰇽",
  Variable = "󰂡",
  Class = "󰠱",
  Interface = "",
  Module = "",
  Property = "󰜢",
  Unit = "",
  Value = "󰎠",
  Enum = "",
  Keyword = "󰌋",
  Snippet = "",
  Color = "󰏘",
  File = "󰈙",
  Reference = "",
  Folder = "󰉋",
  EnumMember = "",
  Constant = "󰏿",
  Struct = "",
  Event = "",
  Operator = "󰆕",
  TypeParameter = "󰅲",
}


local has_words_before = function()
  unpack = unpack or table.unpack
  local line, col = unpack(G.api.nvim_win_get_cursor(0))
  return col ~= 0 and G.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match('%s') == nil
end
local feedkey = function(key, mode)
  vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes(key, true, true, true), mode, true)
end

return {
  {
    -- lsp的config
    "neovim/nvim-lspconfig",
    config = function ()
      require'lspconfig'.lua_ls.setup(require('lsp.lua'))
      require'lspconfig'.clangd.setup(require('lsp.c'))
      require'lspconfig'.bash_ls.setup(require('lsp.bash'))
      require'lspconfig'.pyright.setup(require('lsp.pyright'))
    end
  },
  {
    -- lsp 下载器
    "williamboman/mason.nvim",
    config = function()
      require("mason").setup({})
    end
  },
  {
    -- lsp补全
    'hrsh7th/cmp-nvim-lsp', -- { name = 'nvim_lua' }
    'hrsh7th/cmp-buffer',   -- { name = 'buffer' },
    'hrsh7th/cmp-path',     -- { name = 'path' }
    'hrsh7th/cmp-cmdline',  -- { name = 'cmdline' }
    'hrsh7th/vim-vsnip',
    'hrsh7th/cmp-vsnip',
    'onsails/lspkind-nvim',
    {
      "hrsh7th/nvim-cmp",
      config = function()
        local cmp     = require('cmp')
        local lspkind = require('lspkind')
        cmp.setup {
          snippet = {
            expand = function(args)
              vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
            end,
          },
          sources = cmp.config.sources({
            { name = 'vnsip'},
            { name = 'nvim_lsp' },
            { name = 'buffer' },
            -- { name = 'path' },
            -- { name = 'cmdline' },
          }),
          mapping = cmp.mapping.preset.insert({
            ['<CR>'] = cmp.mapping.confirm({ select = true }),
            ["<c-n>"] = cmp.mapping(function(fallback)
              if cmp.visible() then
                cmp.select_next_item()
              elseif vim.fn["vsnip#available"](1) == 1 then
                feedkey("<Plug>(vsnip-expand-or-jump)", "")
              elseif has_words_before() then
                cmp.complete()
              else
                fallback()
              end
            end, { "i", "s" }),

            ["<n-p>"] = cmp.mapping(function()
              if cmp.visible() then
                cmp.select_prev_item()
              elseif vim.fn["vsnip#jumpable"](-1) == 1 then
                feedkey("<Plug>(vsnip-jump-prev)", "")
              end
            end, { "i", "s" }),
          }),
          window = {
          },
          fomatting = {
            format = lspkind.cmp_format({
              with_text = true,
              maxwidth = 50,
              mode = 'symbol',
              before = function (entry, vim_item)
                vim_item.kind = kind_icons[vim_item.kind]
                vim_item.menu = ({
                  buffer = "[Buffer]",
                  nvim_lsp = "[LSP]",
                })[entry.source.name]
                return vim_item
              end,
            })
          },
        }
        cmp.setup.cmdline('/', {
          view = {
            entries = {name = 'wildmenu', separator = '|' }
          },
        })
      end,
  },
  {
  -- 语法高亮 -- 

  'nvim-treesitter/nvim-treesitter',
  config = function()
    require'nvim-treesitter.configs'.setup{
      ensure_installed = {},
      indent = { enable = true },
      sync_install = false,
      auto_install = true,
      highlight = {
        enable = true,
        disable = function(lang, buf)
            local max_filesize = 100 * 1024 -- 100 KB
            local ok, stats = pcall(G.loop.fs_stat, G.api.nvim_buf_get_name(buf))
            if ok and stats and stats.size > max_filesize then
                return true
            end
        end,
        additional_vim_regex_highlighting = false,
      },
      parsers = {
        html = {
          install_info = {
              url = "https://github.com/ikatyang/tree-sitter-vue",
              files = {"src/parser.c"},
              branch = "main"
          }
        }
      }
    }
  end
  },
 }
}