local nvim_lsp = require'lspconfig'

local function setup_servers()
  require'lspinstall'.setup()
  local servers = require'lspinstall'.installed_servers()
  for _, lsp in pairs(servers) do
    nvim_lsp[lsp].setup{}
  end
end

local opts = {
    tools = {
        autoSetHints = true,
        hover_with_actions = true,
        runnables = {
            use_telescope = true
        },
        inlay_hints = {
            show_parameter_hints = false,
            parameter_hints_prefix = "",
            other_hints_prefix = "",
        },
    },

    -- all the opts to send to nvim-lspconfig
    -- these override the defaults set by rust-tools.nvim
    -- see https://github.com/neovim/nvim-lspconfig/blob/master/CONFIG.md#rust_analyzer
    server = {}, -- rust-analyer options
}

require('rust-tools').setup(opts)

setup_servers()

require'lspinstall'.post_install_hook = function ()
  setup_servers()
  vim.cmd("bufdo e")
end

local cmp = require'cmp'
cmp.setup({
  snippet = {
    expand = function(args)
        vim.fn["vsnip#anonymous"](args.body)
    end,
  },
  mapping = {
    ['<C-p>'] = cmp.mapping.select_prev_item(),
    ['<C-n>'] = cmp.mapping.select_next_item(),
    ['<S-Tab>'] = cmp.mapping.select_prev_item(),
    ['<Tab>'] = cmp.mapping.select_next_item(),
    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
    ['<C-f>'] = cmp.mapping.scroll_docs(4),
    ['<C-Space>'] = cmp.mapping.complete(),
    ['<C-e>'] = cmp.mapping.close(),
    ['<CR>'] = cmp.mapping.confirm({
      behavior = cmp.ConfirmBehavior.Insert,
      select = true,
    })
  },

  -- Installed sources
  sources = {
    { name = 'nvim_lsp' },
    { name = 'vsnip' },
    { name = 'path' },
    { name = 'buffer' },
  },
})