dotfiles/nvim/lua/plugins/ide/lsp.lua

return {
	'neovim/nvim-lspconfig',
	dependencies = {
		'williamboman/mason.nvim',
		'williamboman/mason-lspconfig.nvim',
		'hrsh7th/cmp-nvim-lsp',
	},
	opts = require('config.plugins.lsp'),
	config = function (_, opts)
		-- Setup Mason to automatically install LSP servers
		require('mason').setup()
		require('mason-lspconfig').setup({ automatic_installation = true })
		local augroup = vim.api.nvim_create_augroup("Lsp", {})
		local lspconfig = require('lspconfig')
		local capabilities = require('cmp_nvim_lsp').default_capabilities()
		capabilities.textDocument.completion.completionItem.snippetSupport = false

		vim.lsp.handlers['textDocument/hover'] = vim.lsp.with(
			vim.lsp.handlers.hover,
			{border = 'single'}
		)

		vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, {
			focusable = true,
			style = "minimal",
			border = "single",
		})

		for name, server_opt in pairs(opts.servers) do
			local on_attach = function(client, bufnr)
				for bind, settings in pairs(opts.mappings) do
					vim.keymap.set('n', bind, settings[1], vim.tbl_deep_extend("force", settings[2], { buffer = bufnr }))
				end

				vim.api.nvim_clear_autocmds({ group = augroup, buffer = bufnr })

				-- Add format on save if configured and client supports it.
				if server_opt.format_on_save and client.supports_method("textDocument/formatting") then
					vim.api.nvim_create_autocmd("BufWritePre", {
						group = augroup,
						buffer = bufnr,
						callback = function()
							vim.lsp.buf.format()
						end,
					})
				end

				if server_opt.on_save then
					vim.api.nvim_create_autocmd("BufWritePre", {
						group = augroup,
						buffer = bufnr,
						callback = server_opt.on_save,
					})
				end

				vim.api.nvim_create_autocmd("CursorHold", {
					group = augroup,
					buffer = bufnr,
					callback = function() vim.lsp.buf.document_highlight() end
				})

				vim.api.nvim_create_autocmd("CursorHoldI", {
					group = augroup,
					buffer = bufnr,
					callback = function() vim.lsp.buf.document_highlight() end
				})

				vim.api.nvim_create_autocmd("CursorMoved", {
					group = augroup,
					buffer = bufnr,
					callback = function() vim.lsp.buf.clear_references() end
				})
			end

			lspconfig[name].setup({
				settings = server_opt.settings or {},
				capabilities = capabilities,
				on_attach = on_attach
			})
		end
	end
}