local lsp = require("lsp-zero")
lsp.preset("recommended")

lsp.ensure_installed({
  "eslint",
  "rust_analyzer",
})

lsp.nvim_workspace()

local cmp = require("cmp")
local cmp_select = {behavior = cmp.SelectBehavior.Select}
local cmp_mappings = lsp.defaults.cmp_mappings({
  ["<C-F>"] = cmp.mapping.select_prev_item(cmp_select),
  ["<C-f>"] = cmp.mapping.select_next_item(cmp_select),
  ["<CR>"] = cmp.mapping.confirm({select = true}),
  ["<C-Space>"] = cmp.mapping.complete(),
  ["<Esc>"] = cmp.mapping.abort(),
})
cmp_mappings["<Tab>"] = nil
cmp_mappings["<S-Tab>"] = nil

lsp.setup_nvim_cmp({
  mapping = cmp_mappings,
})

lsp.set_preferences({
  suggest_lsp_servers = false,
  sign_icons = {
    error = "E",
    warn = "W",
    hint = "H",
    info = "I",
  },
})

lsp.on_attach(function(client, bufnr)
  local opts = {buffer = bufnr, remap = false}

  vim.keymap.set("n", "gd", function() vim.lsp.buf.definition() end, opts)
  vim.keymap.set("n", "K", function() vim.lsp.buf.hover() end, opts)
  vim.keymap.set("n", "<leader>vws", function() vim.lsp.buf.workspace_symbol() end, opts)
  vim.keymap.set("n", "<leader>vd", function() vim.diagnostic.open_float() end, opts)
  vim.keymap.set("n", "[d", function() vim.diagnostic.goto_next() end, opts)
  vim.keymap.set("n", "]d", function() vim.diagnostic.goto_prev() end, opts)
  vim.keymap.set("n", "<leader>vca", function() vim.lsp.buf.code_action() end, opts)
  vim.keymap.set("n", "<leader>vrr", function() vim.lsp.buf.references() end, opts)
  vim.keymap.set("n", "<leader>vrn", function() vim.lsp.buf.rename() end, opts)
  vim.keymap.set("i", "<C-h>", function() vim.lsp.buf.signature_help() end, opts)
end)

lsp.setup_servers({"eslint"})

lsp.setup()

vim.diagnostic.config({
  virtual_text = true
})

--[[require("lsp_signature").setup({
  hint_prefix = "▲ ",
})--]]