--
-- lsp plugin setup
--

local lsp_zero = require('lsp-zero')
lsp_zero.preset('recommended')

lsp_zero.on_attach(function(client, bufnr)
    -- see :help lsp-zero-keybindings
    -- to learn the available actions
    lsp_zero.default_keymaps({buffer = bufnr})

    vim.keymap.set("i", "<C-h>", function() vim.lsp.buf.signature_help() end, opts)

end)

require('mason').setup({})
require('mason-lspconfig').setup({
  -- Replace the language servers listed here 
  -- with the ones you want to install
  ensure_installed = {'tsserver', 'rust_analyzer'},
  handlers = {
    lsp_zero.default_setup,
    lua_ls = function()
      local lua_opts = lsp_zero.nvim_lua_ls()
      require('lspconfig').lua_ls.setup(lua_opts)
    end,
  },
})

local cmp = require('cmp')
local cmp_action = require('lsp-zero').cmp_action()

cmp.setup({
  sources = {
    {name = 'nvim_lsp'},
    {name = 'buffer'},
    {name = 'path'},
  },
  window = {
    completion = cmp.config.window.bordered(),
    documentation = cmp.config.window.bordered(),
  },
  mapping = cmp.mapping.preset.insert({
      ['<C-p>'] = cmp.mapping.complete(),
      ['<C-f>'] = cmp_action.luasnip_jump_forward(),
      ['<C-b>'] = cmp_action.luasnip_jump_backward(),
      ['<C-u>'] = cmp.mapping.scroll_docs(-4),
       ["<CR>"] = cmp.mapping.confirm({
         behavior = cmp.ConfirmBehavior.Replace,
         select = true,
      }),
      ["<Tab>"] = cmp.mapping(cmp.mapping.select_next_item(), { "i", "s" }),
      ["<S-Tab>"] = cmp.mapping(cmp.mapping.select_prev_item(), { "i", "s" }),
  })  
})