local graphics = require("graphics")


Panel = {x = 1, y = 1, w = 8, h=1, title="New Panel", bColor=0xaaaaaa, fColor=0xffffff}
Panel.__index = Panel

function Panel:new(x,y,w,h,title,showStatusLight,bColor,fColor)
	local self = {}
	setmetatable(self, Panel)

	self.x = math.floor(x)
	self.y = math.floor(y)
	self.w = math.floor(w)
	self.h = math.floor(h)
	self.title  = title
	self.bColor = bColor
	self.fColor = fColor
	self.visible = true

	self.showStatusLight = showStatusLight
	self.status = false
	return self
end

function Panel:setStatus(bool)
	self.status = bool
end

function Panel:draw()
	if not self.visible then
		return
	end

	local gpu = graphics.gpu
	gpu.setBackground(self.bColor)
	gpu.setForeground(self.fColor)
	gpu.fill(self.x,self.y,self.w,self.h," ")

	-- outline
	gpu.fill(self.x,self.y,1,self.h,       "║")
	gpu.fill(self.x,self.y,self.w,1,       "═")
	gpu.fill(self.x,self.h+self.y,self.w,1,"═")
	gpu.fill(self.w+self.x,self.y,1,self.h,"║")

	if self.showStatusLight then
		gpu.set(self.x+3,self.y,"[")
		gpu.set(self.x+5,self.y,"]")
		if self.status then
			gpu.setForeground(0x00ff00)
		else
			gpu.setForeground(0xff0000)
		end
		gpu.set(self.x+4, self.y, "■")
	end
	gpu.setForeground(self.fColor)
	-- outline corners
	gpu.set(self.x,self.y,"╔")
	gpu.set(self.w+self.x,self.h+self.y,"╝")
	gpu.set(self.w+self.x,self.y,"╗")
	gpu.set(self.x,self.h+self.y,"╚")
	local title = " " .. self.title .. " "

	-- title bar
	local magic = math.floor(self.w/2) - math.floor(#self.title / 2)
	gpu.set(magic-1, self.y, "╡")
	gpu.set(magic+title:len(), self.y, "╞")
	gpu.setBackground(0xaaaaaa)
	gpu.setForeground(0x000000)
	gpu.set(magic, self.y, title)
end

return Panel