os.loadAPI("System/API/filemanager")
os.loadAPI("system/api/zip")
os.loadAPI("System/API/image")
standartErrorFunction = windows.error
local function textWrite(x,y,text)
	term.setCursorPos(x,y)
	term.write(text)
end

function bs()
term.setTextColor(colors.black)
image.draw(1,1,"/System/os/Bootscr/boot.png")
term.setCursorPos(13,6)
term.setTextColor(colors.red)
term.setCursorPos(14,6)
print("Please, choose rootfs.zip")
textWrite(1,1,"Recovery")
sleep(1)
end

function fileopen()
local pathToOpen = filemanager.open("")
if pathToOpen == nil then
drawall()
elseif windows.getFileFormat(pathToOpen) ~= ".zip" then
windows.attention({"Can't open file"},{"This file format","is not supported."})
drawall()
else
image.draw(1,1,"/System/os/Bootscr/boot.png")
term.setTextColor(colors.red)
term.setCursorPos(20,6)
print("  Installing")
shell.run("mkdir temp")
fs.copy(pathToOpen,"/temp/update.zip")
zip.unarchive("/temp/update.zip","/temp")
fs.delete("/system")
fs.delete("/documents")
fs.delete("/startup")
fs.move("/temp/rootfs/system","/system")
fs.move("/temp/rootfs/documents","/documents")
fs.move("temp/rootfs/startup","startup")
os.reboot()
end
end

function drawall()
bs()
fileopen()
end

drawall()