nviiim/after/plugin/LSP.lua

local utilities = require("sherlock5512.utilities")
local log = require("tjdevries.log")
local required = {'mason','mason-lspconfig','lspconfig','cmp_nvim_lsp','fidget','neodev','mason-null-ls','mason-nvim-dap','dap','dapui'}
local modules = utilities.require_modules(required)

if not modules then
	log.error("some modules could not be loaded")
	return
end

local capabilities = modules['cmp_nvim_lsp'].default_capabilities()

modules['neodev'].setup()
modules["mason"].setup()
modules["mason-lspconfig"].setup {
	ensure_installed = {"lua_ls"}
}

modules["mason-lspconfig"].setup_handlers {

	function (server_name)
		modules["lspconfig"][server_name].setup {
			capabilities = capabilities
		}
	end,
	["omnisharp"] = function ()
		modules["lspconfig"]["omnisharp"].setup {
			capabilities = capabilities,
			on_attach = function (_,_)
				local gr = vim.api.nvim_create_augroup("CS-OnAttach",{})
				vim.api.nvim_create_autocmd({"BufWritePre"}, {
					group = gr,
					pattern = {"*.cs"},
					desc = "(C#) Format before write",
					callback = function ()
						vim.lsp.buf.format()
					end
				}
				)
			end
		}
	end
}

modules['mason-null-ls'].setup({
	ensure_installed = {},
	automatic_installation = false,
	automatic_setup = true,
})


modules['fidget'].setup{
	text = {
		spinner = "dots"
	}
}

-- Built in diagnostic settings are also configured here

vim.diagnostic.config({
	virtual_text = true,
	signs = true,
	underline = true,
	update_in_insert = true,
	severity_sort = false,
})

local signs = { Error = " ", Warn = " ", Hint = " ", Info = " " }
for type, icon in pairs(signs) do
	local hl = "DiagnosticSign" .. type
	vim.fn.sign_define(hl, {text = icon, texthl = hl, numhl = hl})
end

local auGroupDiagHover = vim.api.nvim_create_augroup("Diagnostic_hover",{clear = true})
vim.api.nvim_create_autocmd("CursorHold",{
	pattern = {"*"},
	callback = function ()
		vim.diagnostic.open_float(nil, {focus=false, scope="cursor"})
	end,
	group = auGroupDiagHover
})

-- ## DAP ## warning: here be dragons
modules['mason-nvim-dap'].setup({
	automatic_setup = true,
})


modules['dapui'].setup({
	icons = {
		expanded = "",
		collapsed = "",
		current_frame = "",
	},
  expand_lines = vim.fn.has("nvim-0.7") == 1,
  layouts = {
    {
      elements = {
      -- Elements can be strings or table with id and size keys.
        { id = "scopes", size = 0.25 },
        "breakpoints",
        "stacks",
        "watches",
      },
      size = 40, -- 40 columns
      position = "left",
    },
    {
      elements = {
        "repl",
        "console",
      },
      size = 0.25, -- 25% of total lines
      position = "bottom",
    },
  },
  controls = {
    -- Requires Neovim nightly (or 0.8 when released)
    enabled = true,
    -- Display controls in this element
    element = "repl",
    icons = {
      pause = "",
      play = "",
      step_into = "",
      step_over = "",
      step_out = "",
      step_back = "",
      run_last = "",
      terminate = "",
    },
  },
  floating = {
    max_height = nil, -- These can be integers or a float between 0 and 1.
    max_width = nil, -- Floats will be treated as percentage of your screen.
    border = "single", -- Border style. Can be "single", "double" or "rounded"
    mappings = {
      close = { "q", "<Esc>" },
    },
  },
  windows = { indent = 1 },
  render = {
    max_type_length = nil, -- Can be integer or nil.
    max_value_lines = 100, -- Can be integer or nil.
  }
})

modules['dap'].listeners.after.event_initialized["dapui_config"] = function()
  modules['dapui'].open()
end
modules['dap'].listeners.before.event_terminated["dapui_config"] = function()
  modules['dapui'].close()
end
modules['dap'].listeners.before.event_exited["dapui_config"] = function()
  modules['dapui'].close()
end

-- Also configure lspsaga here.
-- Separate require check since we don't NEED lspsaga
local ok,lspsaga = pcall(require,"lspsaga")
if not ok then
	return
end

-- Wrapping since some distros still don't ship nvim 0.8
if vim.fn.exists('+winbar') ~= 0 then
	lspsaga.setup({
		symbol_in_winbar = {
			in_custom = false,
			enable = true,
			seperator = '>',
			show_file = true,
			click_support = false
		},
		diagnostic_header = { " ", " ", " ", "ﴞ " },
	})
else
	lspsaga.setup({
		diagnostic_header = { " ", " ", " ", "ﴞ " },
	})
end