local lsp = require('lsp-zero')

lsp.preset('recommended')

require('mason').setup({})
require('mason-lspconfig').setup({
	ensure_installed = {
		'tsserver',
		'eslint',
		'rust_analyzer',
		'clangd',
		'html',
		'cssls',
		'pyright',
		'vimls',
		'yamlls',
		'jdtls',
		'bashls',
		'lua_ls'
	},
	handlers = {
		lsp.default_setup,
	},
})

local cmp = require('cmp')

local cmp_select = {behavior = cmp.SelectBehavior.Select}
local cmp_mappings = cmp.mapping.preset.insert({
  ['<C-p>'] = cmp.mapping.select_prev_item(cmp_select),
  ['<C-n>'] = cmp.mapping.select_next_item(cmp_select),
  ['<CR>'] = cmp.mapping.confirm({ select = true }),
  ["<C-Space>"] = cmp.mapping.complete(),
})

cmp_mappings['<Tab>'] = nil
cmp_mappings['<S-Tab>'] = nil

cmp.setup({
	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}
	local keymap = vim.keymap.set

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

lsp.setup()

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