Connection main backup: 10.02.2024

function startup()

connected_pcs={}
connected_pcs["len"]=0

button_positions={}
button_positions["status"]={}

connected_pcs["number"]={}
connected_pcs["number_of_id"]={}

rednet.open("top")

connections=fs.open("connections","a")

connections.close()


  if not fs.exists("connection_code") then

  term.clear()
  term.setCursorPos(1,1)
  term.setTextColor(colors.green)
  print("Please enter the name you want to use to connect")
  print("to other PC´s")
  print()
  term.setTextColor(colors.white)
  connection_name=read()

  connection_code=fs.open("connection_code","w")
  connection_code.writeLine(connection_name)
  connection_code.flush()
  connection_code.close()

  end

assign_name()

mon=peripheral.wrap("right")
mon.setTextScale(0.5)


logs={}
logs["len"]=0
logs["entries"]={}
logs["time"]={}


assign_connections()


  for i=1,connected_pcs["len"] do
  rednet.send(tonumber(connected_pcs["id"][i]),{["sending_to"]=connected_pcs["name"][i],["name"]=connection_name,["status"]="get_info"})
  end

end




function screen()

cur_x1=1
cur_y1=1
cur_x2=9
cur_y2=3
cur_connection=1
button_positions["len"]=0

mon.clear()

  for i=1,math.ceil(connected_pcs["len"]^0.5) do

    for i1=1,math.ceil(connected_pcs["len"]^0.5) do
      if connected_pcs["name"][cur_connection]~=nil then
        if button_positions["status"][cur_connection]=="on" then
        mon_button(connected_pcs["name"][cur_connection],cur_x1,cur_y1,cur_x2,cur_y2)
        end
        if button_positions["status"][cur_connection]=="off" then
        mon_button(connected_pcs["name"][cur_connection],cur_x1,cur_y1,cur_x2,cur_y2,colors.red)
        end
        if button_positions["status"][cur_connection]==nil then
        mon_button(connected_pcs["name"][cur_connection],cur_x1,cur_y1,cur_x2,cur_y2,colors.blue)
        end
      button_positions[cur_connection]={}
      button_positions[cur_connection]={["x1"]=cur_x1,["y1"]=cur_y1,["x2"]=cur_x2,["y2"]=cur_y2,["id"]=connected_pcs["id"][cur_connection],["status"]="on"}
      button_positions["len"]=button_positions["len"]+1
      end
    cur_x1=cur_x1+10
    cur_x2=cur_x2+10
    cur_connection=cur_connection+1
    end

  cur_y1=cur_y1+3
  cur_y2=cur_y2+3

  cur_x1=1
  cur_x2=9

  end
end




function menu()

cur_env="menu"

term.setBackgroundColor(colors.black)
term.clear()

headline("Menu")
button("Connections",12,7,25,9)
button("Change name",27,7,40,9)
button("Settings",27,11,40,13)
button("Log",12,11,25,13)

end




function pull()

  while true do

  last_info_1 = info_1
  last_info_2 = info_2
  last_info_3 = info_3
  last_info_4 = info_4

  info_1, info_2, info_3, info_4 = os.pullEvent()


    if info_1=="rednet_message" and info_3["sending_to"]==connection_name then

      if info_3["sending_status"] then
      button_positions["status"][connected_pcs["number"][info_3["name"]]]=info_3["status"]
      screen()
      end

    end


    if info_1=="rednet_message" and info_3["connecting_to"]==connection_name then


    already_connected=false

      for i=1,connected_pcs["len"] do

        if tonumber(connected_pcs["id"][i])==tonumber(info_2) then
        already_connected=true
        end
      end

      if not already_connected then

      connections = fs.open("connections","a")
      connections.writeLine(info_3["name"])
      connections.writeLine(info_2)
      connections.close()
      assign_connections()

      logs["len"]=logs["len"]+math.ceil((string.len("Connected to the PC named: "..info_3["name"])+8)/51)
      logs["entries"][logs["len"]]="Connected to the PC named: "..info_3["name"]
      logs["time"][logs["len"]]=os.time()
      change_log=true
      change_connection_menu=true
      screen()
      rednet.send(info_2,{["name"]=connection_name,["connecting_to"]=info_3["name"]})

      else

      logs["len"]=logs["len"]+math.ceil((string.len("rejected PC because was already connected, name: "..info_3["name"])+8)/51)
      logs["entries"][logs["len"]]="rejected PC because was already connected, name: "..info_3["name"]
      logs["time"][logs["len"]]=os.time()
      change_log=true

      end
    end


      for i=1,button_positions["len"] do

        if mon_button_check(button_positions[i]["x1"],button_positions[i]["y1"],button_positions[i]["x2"],button_positions[i]["y2"]) then
        rednet.send(tonumber(connected_pcs["id"][i]),{["sending_to"]=connected_pcs["name"][i],["name"]=connection_name,["status"]="change_status"})
        end

      end


      if cur_env=="menu" then

        if button_check(27,7,40,9) then
        change_name()
        end

        if button_check(12,11,25,13) then
        log()
        end

        if button_check(12,7,25,9) then
        connection_menu()
        end

      end

      if cur_env=="log" then

        if change_log then
        log()
        end

        if button_check(44,17,51,19) then
        menu()
        end

      end


      if cur_env=="connection_menu" then

        if button_check(44,17,51,19) then
        menu()
        end


        for i=1,connected_pcs["len"] do


          if info_1=="mouse_click" and info_4==i+3 then
          connection_menu()
          term.setBackgroundColor(colors.red)
          term.setCursorPos(1,i+3)
          term.setTextColor(colors.green)
          term.write("[Id-"..tonumber(connected_pcs["id"][i]).."]")

            for i1=1,9-string.len("[Id-"..tonumber(connected_pcs["id"][i]).."]") do
            write(" ")
            end

          term.setTextColor(colors.white)
          term.write(connected_pcs["name"][i])

            for i1=1,51-string.len(connected_pcs["name"][i])-9 do
            term.write(" ")
            end

          button("Delete",1,17,10,19,colors.red)

            if i~=clicked_connection then
            clicked_connection=i
            else
            clicked_connection=nil
            connection_menu()
            end
          end
        end

        if clicked_connection~=nil then
          if button_check(1,17,10,19) then
          rednet.send(tonumber(connected_pcs["id"][clicked_connection]),{["sending_to"]=connected_pcs["name"][clicked_connection],["status"]="disconnected"})
          disconnect(clicked_connection)
          clicked_connection=nil
          connection_menu()
          end
        end

        if change_connection_menu then
        connection_menu()

          if clicked_connection~=nil then

          term.setBackgroundColor(colors.red)
          term.setCursorPos(1,clicked_connection+3)
          term.setTextColor(colors.green)
          term.write("[Id-"..tonumber(connected_pcs["id"][clicked_connection]).."]")

            for i1=1,9-string.len("[Id-"..tonumber(connected_pcs["id"][clicked_connection]).."]") do
            write(" ")
            end

          term.setTextColor(colors.white)
          term.write(connected_pcs["name"][clicked_connection])

            for i1=1,51-string.len(connected_pcs["name"][clicked_connection])-9 do
            term.write(" ")
            end

          button("Delete",1,17,10,19,colors.red)

          end

        change_connection_menu=false
        end

        if clicked_connection~=nil then
          if ((last_info_1=="mouse_click" or last_info_1=="mouse_drag") and last_info_4==clicked_connection+3) and (info_1=="mouse_drag" and (info_4 < clicked_connection+3 or info_4 > clicked_connection+3)) then
            if info_4-3 < connected_pcs["len"]+1 and info_4-3>0  then
            change_connection_order(clicked_connection,info_4-3)
            end
          end
        end

      end
    end
end



function change_connection_order(changing,change_to)

connection_save_name=connected_pcs["name"][changing]
connection_save_id=connected_pcs["id"][changing]

connected_pcs["name"][changing]=connected_pcs["name"][change_to]
connected_pcs["id"][changing]=connected_pcs["id"][change_to]

connected_pcs["name"][change_to]=connection_save_name
connected_pcs["id"][change_to]=connection_save_id


connections = fs.open("connections","w")

  for i=1,connected_pcs["len"] do
  connections.writeLine(connected_pcs["name"][i])
  connections.writeLine(connected_pcs["id"][i])
  end
connections.flush()
connections.close()

  if clicked_connection==changing then
  clicked_connection=change_to
  end

screen()
assign_connections()
change_connection_menu=true
end



function connection_menu()

cur_env="connection_menu"

term.setBackgroundColor(colors.black)
term.clear()
headline("Connections")
button("Back",44,17,51,19)
term.setCursorPos(1,4)

  for i=1,connected_pcs["len"] do

  term.setTextColor(colors.green)
  term.write("[Id-"..tonumber(connected_pcs["id"][i]).."]")

    for i1=1,9-string.len("[Id-"..tonumber(connected_pcs["id"][i]).."]") do
    write(" ")
    end

  term.setTextColor(colors.white)
  print(connected_pcs["name"][i])

  end

end



function assign_name()

connection_code = fs.open("connection_code","r")
connection_name = connection_code.readLine()
connection_code.close()

end



function change_name()

cur_env="change_name"

  term.clear()
  term.setCursorPos(1,1)
  term.setTextColor(colors.green)
  print("Please enter the name you want to use to connect")
  print("to other PC´s")
  print()
  term.write("Old name: ")
  term.setBackgroundColor(colors.white)
  term.setTextColor(colors.blue)
  print(" "..connection_name.." ")
  print()
  term.setTextColor(colors.white)
  term.setBackgroundColor(colors.black)
  connection_name=read()

  connection_code=fs.open("connection_code","w")
  connection_code.writeLine(connection_name)
  connection_code.flush()
  connection_code.close()

menu()
end



function log()

cur_env="log"

term.setBackgroundColor(colors.black)
term.clear()
button("Back",44,17,51,19)
headline("Log")

term.setCursorPos(1,4)
term.setTextColor(colors.white)
term.setBackgroundColor(colors.black)

  if logs["len"] < 13 then

    for i=1,12 do

      if logs["time"][i]~=nil then

      term.setTextColor(colors.green)
      write("[")
      write(math.floor(logs["time"][i]))
      write(":")
      write(math.floor(  math.floor(  (logs["time"][i]-math.floor(logs["time"][i]))  *100  )  /1.6666666  )  )
      write("]")

        for i1=1,7-string.len("["..math.floor(logs["time"][i])..":"..math.floor(  math.floor(  (logs["time"][i]-math.floor(logs["time"][i]))  *100  )  /1.6666666  ).."]") do
        write(" ")
        end

      term.setTextColor(colors.white)
      print(logs["entries"][i])

      end

    end

  else

    for i=1,12 do

      if logs["time"][logs["len"]-12+i]~=nil then

      term.setTextColor(colors.green)
      write("[")
      write(math.floor(logs["time"][logs["len"]-12+i]))
      write(":")
      write(math.floor(  math.floor(  (logs["time"][logs["len"]-12+i]-math.floor(logs["time"][logs["len"]-12+i]))  *100  )  /1.6666666  )  )
      write("]")

        for i1=1,7-string.len("["..math.floor(logs["time"][logs["len"]-12+i])..":"..math.floor(  math.floor(  (logs["time"][logs["len"]-12+i]-math.floor(logs["time"][logs["len"]-12+i]))  *100  )  /1.6666666  ).."]") do
        write(" ")
        end

      term.setTextColor(colors.white)
      print(logs["entries"][logs["len"]-12+i])

      end

    end

  end

change_log=false
end



function assign_connections()

connections=fs.open("connections","r")

connected_pcs["name"]={}
connected_pcs["len"]=0
connected_pcs["id"]={}
connected_pcs["id"][0]="0"
i=0
  while tonumber(connected_pcs["id"][i])~=nil do

  i=i+1

  connected_pcs["name"][i] = connections.readLine()
  connected_pcs["id"][i] = connections.readLine()


    if tonumber(connected_pcs["id"][i])~=nil then
    connected_pcs["len"]=connected_pcs["len"]+1
    connected_pcs["number"][connected_pcs["name"][i]]=i
    connected_pcs["number_of_id"][connected_pcs["id"][i]]=i
    connected_pcs["id"][i]=tonumber(connected_pcs["id"][i])
    end

  end
connections.close()
end



function disconnect(disconnect_number)

connections = fs.open("connections","w")

  for i=1,connected_pcs["len"]-1 do

    if i < disconnect_number then
    connections.writeLine(connected_pcs["name"][i])
    connections.writeLine(connected_pcs["id"][i])
    end

    if i > disconnect_number-1 then
    connections.writeLine(connected_pcs["name"][i+1])
    connections.writeLine(connected_pcs["id"][i+1])
    end

  end
connections.flush()
connections.close()
assign_connections()
screen()
end



function headline(headline)
headline_lenght=string.len("   "..headline.."   ")
headline_pos=27-headline_lenght/2
term.setCursorPos(headline_pos,1)
term.setBackgroundColor(colors.yellow)
term.setTextColor(colors.blue)
term.write("   "..headline.."   ")
term.setBackgroundColor(colors.black)
term.setTextColor(colors.white)
end







function button(button_text,button_pos_x1,button_pos_y1,button_pos_x2,button_pos_y2,button_color)
term.setTextColor(colors.green)

  if button_color~=nil then
  term.setTextColor(button_color)
  end

square(button_pos_x1,button_pos_y1,button_pos_x2,button_pos_y2,colors.black,"-","|")
term.setCursorPos(math.ceil(button_pos_x1-string.len(button_text)/2+(button_pos_x2-button_pos_x1)/2),button_pos_y1+(button_pos_y2-button_pos_y1)/2)
term.write(button_text)
end



function mon_button(button_text,button_pos_x1,button_pos_y1,button_pos_x2,button_pos_y2,button_color)
mon.setTextColor(colors.green)

  if button_color~=nil then
  mon.setTextColor(button_color)
  end

mon_square(button_pos_x1,button_pos_y1,button_pos_x2,button_pos_y2,colors.black,"-","|")
mon.setCursorPos(math.ceil(button_pos_x1-string.len(button_text)/2+(button_pos_x2-button_pos_x1)/2),button_pos_y1+(button_pos_y2-button_pos_y1)/2)
mon.write(button_text)
end




function button_check(b_check_x1,b_check_y1,b_check_x2,b_check_y2)
  if info_1=="mouse_click" and info_3 > b_check_x1-1 and info_3 < b_check_x2+1 and info_4 > b_check_y1-1 and info_4 < b_check_y2+1 then
  return true
  else
  return false
  end
end



function mon_button_check(b_check_x1,b_check_y1,b_check_x2,b_check_y2)
  if info_1=="monitor_touch" and info_3 > b_check_x1-1 and info_3 < b_check_x2+1 and info_4 > b_check_y1-1 and info_4 < b_check_y2+1 then
  return true
  else
  return false
  end
end




function square(x1,y1,x2,y2,back_color_square,symbol_square_x,symbol_square_y,text_color)
x_1=x1
y_1=y1
x_2=x2
y_2=y2
  while x_1~=x2+1 do
  term.setBackgroundColor(back_color_square)
  term.setCursorPos(x_1,y_1)
    if text_color~=nil then
    term.setTextColor(text_color)
    end
  term.write(symbol_square_x)
  x_1=x_1+1
  end

  while y_1~=y2-1 do
  term.setCursorPos(x_1-1,y_1+1)
  term.write(symbol_square_y)
  y_1=y_1+1
  end
x2=x2-1
  while x_2~=x1-1 do
  term.setCursorPos(x_2,y_2)
  term.write(symbol_square_x)
  x_2=x_2-1
  end

  while y_2~=y1+1 do
  term.setCursorPos(x_2+1,y_2-1)
  term.write(symbol_square_y)
  y_2=y_2-1
  end
term.setBackgroundColor(colors.black)
end




function mon_square(x1,y1,x2,y2,back_color_square,symbol_square_x,symbol_square_y,text_color)
x_1=x1
y_1=y1
x_2=x2
y_2=y2
  while x_1~=x2+1 do
  mon.setBackgroundColor(back_color_square)
  mon.setCursorPos(x_1,y_1)
    if text_color~=nil then
    term.setTextColor(text_color)
    end
  mon.write(symbol_square_x)
  x_1=x_1+1
  end

  while y_1~=y2-1 do
  mon.setCursorPos(x_1-1,y_1+1)
  mon.write(symbol_square_y)
  y_1=y_1+1
  end
x2=x2-1
  while x_2~=x1-1 do
  mon.setCursorPos(x_2,y_2)
  mon.write(symbol_square_x)
  x_2=x_2-1
  end

  while y_2~=y1+1 do
  mon.setCursorPos(x_2+1,y_2-1)
  mon.write(symbol_square_y)
  y_2=y_2-1
  end
mon.setBackgroundColor(colors.black)
end






startup()
menu()
screen()
pull()