vim.notify = require('notify')
local dap = require('dap')

require('notify').setup({
    render = "wrapped-default",
	timeout = 6000,
	max_width = 50,
	minimum_width = 50,
	level = "info",
	fps = 60,
	icons = {
		ERROR = "",
		WARN = "",
		INFO = "",
		DEBUG = "",
		TRACE = "✎",
	},
    on_open = function(win)
        -- vim.api.nvim_win_set_option(win, 'wrap', true)
        vim.api.nvim_win_set_option(win, 'breakat', ' ')
    end,
})

-- Utility functions shared between progress reports for LSP and DAP

local client_notifs = {}

local function get_notif_data(client_id, token)
	if not client_notifs[client_id] then
		client_notifs[client_id] = {}
	end

	if not client_notifs[client_id][token] then
		client_notifs[client_id][token] = {}
	end

	return client_notifs[client_id][token]
end


local spinner_frames = { "⣾", "⣽", "⣻", "⢿", "⡿", "⣟", "⣯", "⣷" }

local function update_spinner(client_id, token)
	local notif_data = get_notif_data(client_id, token)

	if notif_data.spinner then
		local new_spinner = (notif_data.spinner + 1) % #spinner_frames
		notif_data.spinner = new_spinner

		notif_data.notification = vim.notify(nil, nil, {
			hide_from_history = true,
			icon = spinner_frames[new_spinner],
			replace = notif_data.notification,
		})

		vim.defer_fn(function()
			update_spinner(client_id, token)
		end, 100)
	end
end

local function format_title(title, client_name)
	return client_name .. (#title > 0 and ": " .. title or "")
end

local function format_message(message, percentage)
	return (percentage and percentage .. "%\t" or "") .. (message or "")
end

vim.lsp.handlers["$/progress"] = function(_, result, ctx)
	local client_id = ctx.client_id

	local val = result.value

	if not val.kind then
		return
	end

	local notif_data = get_notif_data(client_id, result.token)

	if val.kind == "begin" then
		local message = format_message(val.message, val.percentage)

		notif_data.notification = vim.notify(message, "info", {
			title = format_title(val.title, vim.lsp.get_client_by_id(client_id).name),
			icon = spinner_frames[1],
			timeout = false,
			hide_from_history = false,
		})

		notif_data.spinner = 1
		update_spinner(client_id, result.token)
	elseif val.kind == "report" and notif_data then
		notif_data.notification = vim.notify(format_message(val.message, val.percentage), "info", {
			replace = notif_data.notification,
			hide_from_history = false,
		})
	elseif val.kind == "end" and notif_data then
	notif_data.notification =
	vim.notify(val.message and format_message(val.message) or "Complete", "info", {
		icon = "",
		replace = notif_data.notification,
		timeout = 6000,
	})

	notif_data.spinner = nil
end
end

local severity = {
	"error",
	"warn",
	"info",
	"info", -- map both hint and info to info?
}
vim.lsp.handlers["window/showMessage"] = function(err, method, params, client_id)
	vim.notify(method.message, severity[params.type])
end

dap.listeners.before['event_progressStart']['progress-notifications'] = function(session, body)
	local notif_data = get_notif_data("dap", body.progressId)

	local message = format_message(body.message, body.percentage)
	notif_data.notification = vim.notify(message, "info", {
		title = format_title(body.title, session.config.type),
		icon = spinner_frames[1],
		timeout = false,
		hide_from_history = false,
	})

	notif_data.notification.spinner = 1,
	update_spinner("dap", body.progressId)
end

dap.listeners.before['event_progressUpdate']['progress-notifications'] = function(session, body)
	local notif_data = get_notif_data("dap", body.progressId)
	notif_data.notification = vim.notify(format_message(body.message, body.percentage), "info", {
		replace = notif_data.notification,
		hide_from_history = false,
	})
end

dap.listeners.before['event_progressEnd']['progress-notifications'] = function(session, body)
	local notif_data = client_notifs["dap"][body.progressId]
	notif_data.notification = vim.notify(body.message and format_message(body.message) or "Complete", "info", {
		icon = "",
		replace = notif_data.notification,
		timeout = 6000
	})
	notif_data.spinner = nil
end