local lspconfig = require('lspconfig')

lspconfig.lua_ls.setup {}
lspconfig.ts_ls.setup {}
lspconfig.eslint.setup {}
lspconfig.angularls.setup {}
lspconfig.ccls.setup {}
lspconfig.nixd.setup{}

-- Global mappings.
-- See `:help vim.diagnostic.*` for documentation on any of the below functions
vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, {
	desc = 'Open LSP diagnostics'
})
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, {
	desc = 'Go to previous LSP diagnostic'
})
vim.keymap.set('n', ']d', vim.diagnostic.goto_next, {
	desc = 'Go to next LSP diagnostic'
})

-- Use LspAttach autocommand to only map the following keys
-- after the language server attaches to the current buffer
vim.api.nvim_create_autocmd('LspAttach', {
	group = vim.api.nvim_create_augroup('UserLspConfig', {}),
	callback = function(ev)
		-- Enable completion triggered by <c-x><c-o>
		vim.bo[ev.buf].omnifunc = 'v:lua.vim.lsp.omnifunc'

		-- Buffer local mappings.
		-- See `:help vim.lsp.*` for documentation on any of the below functions
		local opts = function (desc) return { buffer = ev.buf, desc = desc } end
		vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, opts('Go to declaration'))
		vim.keymap.set('n', 'gd', vim.lsp.buf.definition, opts('Go to definition'))
		vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts('Show LSP info'))
		vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, opts('Go to implementation'))
		vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, opts('Show function signature'))
		vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, opts('Add workspace folder'))
		vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, opts('Remove workspace folder'))
		vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, opts('Go to type definition'))
		vim.keymap.set('n', '<space>r', vim.lsp.buf.rename, opts('Rename symbol'))
		vim.keymap.set({ 'n', 'v' }, '<space>x', vim.lsp.buf.code_action, opts('Execute code action'))
		vim.keymap.set('n', 'gr', vim.lsp.buf.references, opts('Go to references'))
		vim.keymap.set('n', '<space>f', function()
			vim.lsp.buf.format { async = true }
		end, opts('Format buffer with LSP'))
	end,
})

local rt = require("rust-tools")

rt.setup({
	server = {
		on_attach = function(_, bufnr)
			-- Hover actions
			vim.keymap.set("n", "<C-space>", rt.hover_actions.hover_actions, { buffer = bufnr })
			-- Code action groups
			vim.keymap.set("n", "<Leader>a", rt.code_action_group.code_action_group, { buffer = bufnr })
		end,
	},
})

local wk = require 'which-key'
wk.add({
	{ '<space>w', group = 'LSP workspace' }
})