--INFO: Setup various LSP servers, and completion engines
--TODO: use nvim-lsp-installer?
local cmp = require("cmp")

cmp.setup({
	snippet = {
		expand = function(args)
			vim.fn["vsnip#anonymous"](args.body)
		end
	},
	mapping = {
		['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
		['<CR>'] = cmp.mapping.confirm({ select = true }),
		['<Tab>'] = function(fallback)
			if cmp.visible() then
				cmp.select_next_item()
			else
				fallback()
			end
		end
	},
	sources = cmp.config.sources({
		{ name = 'nvim_lsp' },
		{ name = 'nvim_lua' },
		{ name = 'vsnip' },
		{ name = 'buffer' }
	})
})
local capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities())

require'lspconfig'.clangd.setup({
	capabilities = capabilities
})

require'lspconfig'.denols.setup({
	cmd = {'deno', 'lsp'},
	capabilities = capabilities
})

require'lspconfig'.vls.setup({
	cmd = {'/usr/local/bin/vls'},
	capabilities = capabilities
})

--TODO: clean this up
local runtime_path = vim.split(package.path, ';')
table.insert(runtime_path, "lua/?.lua")
table.insert(runtime_path, "lua/?/init.lua")
local sumneko_root_path = '/home/ruthenic/lua-language-server/bin/Linux/'
require'lspconfig'.sumneko_lua.setup({
	cmd = {sumneko_root_path .. "lua-language-server", "-E", sumneko_root_path .. "main.lua"},
	settings = {
		Lua = {
			runtime = {
				version = 'LuaJIT',
				path = runtime_path,
			},
			diagnostics = {
				globals = {'vim', 'use'},
			},
			workspace = {
				library = vim.api.nvim_get_runtime_file("", true),
			},
			telemetry = {
				enable = false,
			},
		},
	},
	capabilities = capabilities
})