local lsp_installer = require("nvim-lsp-installer")

-- Register a handler that will be called for each installed server when it's ready (i.e. when installation is finished
-- or if the server is already installed).
lsp_installer.on_server_ready(function(server)
    local opts = {
        on_attach = function()
            vim.cmd('doautocmd User lspAttached')
            vim.cmd('augroup Format')
            vim.cmd('autocmd! * <buffer>')
            vim.cmd('autocmd BufWritePre <buffer> lua vim.lsp.buf.formatting_sync()')
            vim.cmd('augroup END')
        end,
    }

    local signs = { Error = " ", Warn = " ", Hint = " ", Info = " " }
    for type, icon in pairs(signs) do
        local hl = "DiagnosticSign" .. type
        vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
    end

    -- (optional) Customize the options passed to the server
    -- if server.name == "tsserver" then
    --     opts.root_dir = function() ... end
    -- end

    -- This setup() function will take the provided server configuration and decorate it with the necessary properties
    -- before passing it onwards to lspconfig.
    -- Refer to https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
    server:setup(opts)
end)