-- This source code form is subject to the terms of the MPL-v2 https://mozilla.org/MPL/2.0/ --
--* .name Manages the tree structure that holds all monitors, containers, windows, and tags
local X = require("x")
local EWMH = require("ewmh")
local Conf = require("conf")
local Tree = {
	windows = {},
	monitors = {},
	focusedWindow = nil,
	focusedMonitor = nil,
	-- tags = {},
}

-- local Tag = require("tree.tag")
local Window = require("tree.window")

function Tree.newWindow(ev)
	local win = Window.new(ev.id)
	if EWMH.shouldManage(win) then
		Tree.windows[win.id] = win
		win.managed = true
		if EWMH.shouldTile(win) then
			table.insert(Tree.focusedMonitor.stack, win)
			win.monitor = Tree.focusedMonitor
			-- Tree.focusedMonitor:updateTiling()
		else
			win:float()
		end
		win:show()
	else
		win.managed = false
		win:show()
		return
	end
	return win
end

----* table tag Tree.newTag(any id, [table preset]) Creates a new tag that can then be added to tables. New tags are also initialised automatically with *Window*:*addTag*()
--function Tree.newTag(id, tbl)
--	if Tree.tags[id] then return Tree.tags[id] end
--	local tag = Tag.new(tbl)
--	tag.id = id
--	Tree.tags[id] = tag
--	return tag
--end
--* Tree.init() Sets up the tree
function Tree.init()
	Window.init()
	for m,monitor in pairs(X.getMonitors()) do
		Tree.monitors[m] = monitor
		monitor.number = m
		monitor.stack = {}
		monitor.dockMargins = { top = 0, bottom = 0, left = 0, right = 0 }
		monitor.margins = { top = 5, bottom = 5, left = 5, right = 5 }
		function monitor:updateTiling()
			if self.tiler then
				self.tiler:tile(self.stack, self)
			end
		end
		function monitor:setMargins(m)
			print("привет", inspect(m))
			self.margins.top = m.top + self.dockMargins.top
			self.margins.bottom = m.bottom + self.dockMargins.bottom
			self.margins.right = m.right + self.dockMargins.right
			self.margins.left = m.left + self.dockMargins.left
		end
		if Conf.eventHandlers.newMonitor then
			Conf.eventHandlers.newMonitor(monitor)
		end
	end
	Tree.focusedMonitor = Tree.monitors[1]
	-- Tree.newTag("focused")
end
-- function Tree.updateDirty()
-- 	if Tree.dirtyGeometry then
-- 		for w,win in pairs(Tree.windows) do
-- 			if win.dirtyGeometry then
-- 				win:applyGeometry()
-- 			end
-- 		end
-- 	end
-- end

return Tree