local lsp = require('lspconfig')

-- Use an on_attach function to configure after LSP attaches to buffer
local on_attach = function(client, bufnr)
  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
end

-- Establish a set of capabilities so we can advertise nvim-cmp support.
local capabilities = vim.lsp.protocol.make_client_capabilities()

-- Add nvim-cmp support to the capabilities.
capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)

-- zls = zig language server
lsp.zls.setup {
  on_attach = on_attach,
  flags = {
    debounce_text_changes = 150
  },
  capabilities = capabilities
}

-- lua-language-server
lsp.sumneko_lua.setup {
  settings = {
    Lua = {
      runtime = {
        -- Tell the language server which version of Lua you're using (most 
        -- likely LuaJIT in the case of Neovim)
        version = 'LuaJIT',
      },
      diagnostics = {
        -- Get the language server to recognize the `vim` global
        globals = {'vim'},
      },
      workspace = {
        -- Make the server aware of Neovim runtime files
        library = vim.api.nvim_get_runtime_file("", true),
      },
      -- Do not send telemetry data containing a randomized but unique 
      -- identifier
      telemetry = {
        enable = false,
      },
    },
  },
}

-- bash-language-server
lsp.bashls.setup{}

-- texlab = latex language server 
lsp.texlab.setup{}

-- terraform-ls = terraform language server (Hashicorp stable)
lsp.terraformls.setup{}