local lspconfig = require("lspconfig")

local capabilities = require("cmp_nvim_lsp").default_capabilities()

lspconfig.lua_ls.setup({
	root_dir = function()
		return vim.fs.root(0, ".git")
	end,
	capabilities = capabilities,
})
lspconfig.ts_ls.setup({
	root_dir = function()
		return vim.fs.root(0, ".git")
	end,
	capabilities = capabilities,
})
lspconfig.eslint.setup({
	root_dir = function()
		return vim.fs.root(0, ".git")
	end,
	capabilities = capabilities,
})
lspconfig.angularls.setup({
	root_dir = function()
		return vim.fs.root(0, ".git")
	end,
	capabilities = capabilities,
})
lspconfig.ccls.setup({
	root_dir = function()
		return vim.fs.root(0, ".git")
	end,
	capabilities = capabilities,
})
lspconfig.nixd.setup({
	root_dir = function()
		return vim.fs.root(0, ".git")
	end,
	capabilities = capabilities,
})

lspconfig.csharp_ls.setup({
	root_dir = function()
		return vim.fs.root(0, ".git")
	end,
	capabilities = capabilities,
})

-- 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)
		local buffer_options = vim.bo[ev.buf]

		-- Enable completion triggered by <c-x><c-o>
		buffer_options.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"))
	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,
	},
})