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

lsp.ensure_installed({
	'tsserver',
	'eslint',
	'rust_analyzer',
    'lua_ls',
})

lsp.nvim_workspace()

local cmp = require('cmp')
local cmp_select =  {behaviour = cmp.SelectBehavior.Select}
local cmp_mappings = lsp.defaults.cmp_mappings({
	['<C-p>'] = cmp.mapping.select_prev_item(cmp_select),
	['<C-n>'] = cmp.mapping.select_prev_item(cmp_select),
	['<C-y>'] = cmp.mapping.confirm({ select = true }),
	['<C-Space>'] = cmp.mapping.complete(),
})

lsp.set_preferences({
    lsp.set_preferences({
        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)
    vim.keymap.set("n", "<leader>fd", function() vim.lsp.buf.format() end, opts)
end)

lsp.setup()