--[[

     Licensed under GNU General Public License v2
      * (c) 2013, Jan Xie

--]]

local helpers = require('lain.helpers')
local markup = require('lain.util').markup
local awful = require('awful')
local naughty = require('naughty')
local mouse = mouse

-- Taskwarrior notification
-- lain.widget.contrib.task
local task = {}

function task.hide()
	if not task.notification then
		return
	end
	naughty.destroy(task.notification)
	task.notification = nil
end

function task.show(scr)
	task.notification_preset.screen = task.followtag and awful.screen.focused() or scr or 1

	helpers.async({ awful.util.shell, '-c', task.show_cmd }, function(f)
		local widget_focused = true

		if mouse.current_widgets then
			widget_focused = false
			for _, v in ipairs(mouse.current_widgets) do
				if task.widget == v then
					widget_focused = true
					break
				end
			end
		end

		if widget_focused then
			task.hide()
			task.notification = naughty.notify({
				preset = task.notification_preset,
				title = 'task next',
				text = markup.font(task.notification_preset.font, awful.util.escape(f:gsub('\n*$', ''))),
			})
		end
	end)
end

function task.prompt()
	awful.prompt.run({
		prompt = task.prompt_text,
		textbox = awful.screen.focused().mypromptbox.widget,
		exe_callback = function(t)
			helpers.async(t, function(f)
				naughty.notify({
					preset = task.notification_preset,
					title = t,
					text = markup.font(task.notification_preset.font, awful.util.escape(f:gsub('\n*$', ''))),
				})
			end)
		end,
		history_path = awful.util.getdir('cache') .. '/history_task',
	})
end

function task.attach(widget, args)
	args = args or {}

	task.show_cmd = args.show_cmd or 'task next'
	task.prompt_text = args.prompt_text or 'Enter task command: '
	task.followtag = args.followtag or false
	task.notification_preset = args.notification_preset
	task.widget = widget

	if not task.notification_preset then
		task.notification_preset = {
			font = 'Monospace 10',
			icon = helpers.icons_dir .. '/taskwarrior.png',
		}
	end

	if widget then
		widget:connect_signal('mouse::enter', function()
			task.show()
		end)
		widget:connect_signal('mouse::leave', function()
			task.hide()
		end)
	end
end

return task