module PongRunner (
  input i_Clk,
  input i_UART_RX,

  input i_Switch_1,
  input i_Switch_2,
  input i_Switch_3,
  input i_Switch_4,

  output o_VGA_HSync,
  output o_VGA_VSync,
  output o_VGA_Red_0,
  output o_VGA_Red_1,
  output o_VGA_Red_2,
  output o_VGA_Grn_0,
  output o_VGA_Grn_1,
  output o_VGA_Grn_2,
  output o_VGA_Blu_0,
  output o_VGA_Blu_1,
  output o_VGA_Blu_2
);
  localparam TOTAL_COLUMNS = 800;
  localparam TOTAL_ROWS = 525;

  localparam ACTIVE_COLUMNS = 640;
  localparam ACTIVE_ROWS = 480;

  localparam VIDEO_WIDTH = 3;

  wire [VIDEO_WIDTH-1:0] w_Red_FromPong, w_Red_FromPorchSync;
  wire [VIDEO_WIDTH-1:0] w_Green_FromPong, w_Green_FromPorchSync;
  wire [VIDEO_WIDTH-1:0] w_Blue_FromPong, w_Blue_FromPorchSync;

  wire w_dataReady;
  wire w_HSync_Start, w_VSync_Start;
  wire w_HSync_FromPong, w_VSync_FromPong;
  wire w_HSync_FromPorchSync, w_VSync_FromPorchSync;
  wire w_Switch_1_Debounced,
       w_Switch_2_Debounced,
       w_Switch_3_Debounced,
       w_Switch_4_Debounced;

  UART_RX #(
    .CLOCKS_PER_SECOND(25000000),
    .BAUD_RATE(115200)
  ) MyUART_RX (
    .i_Clk(i_Clk),
    .i_ReceiveBit(i_UART_RX),
    .o_DataReady(w_dataReady),
    .o_DataByte()
  );

  VGA_Sync_Pulse_Generator #(
    .TOTAL_COLUMNS(TOTAL_COLUMNS),
    .TOTAL_ROWS(TOTAL_ROWS),
    .ACTIVE_COLUMNS(ACTIVE_COLUMNS),
    .ACTIVE_ROWS(ACTIVE_ROWS)
  ) SyncGenerator (
    .i_Clk(i_Clk),
    .o_HSync(w_HSync_Start),
    .o_VSync(w_VSync_Start),
    .o_rawX(),
    .o_rawY()
  );

  Debounce_Filter #(
    .DEBOUNCE_LIMIT(25000000 / 25000)
  ) Debounce_Switch_1 (
    .i_Clk(i_Clk),
    .i_Bouncy(i_Switch_1),
    .o_Debounced(w_Switch_1_Debounced)
  );

  Debounce_Filter #(
    .DEBOUNCE_LIMIT(25000000 / 25000)
  ) Debounce_Switch_2 (
    .i_Clk(i_Clk),
    .i_Bouncy(i_Switch_2),
    .o_Debounced(w_Switch_2_Debounced)
  );

  Debounce_Filter #(
    .DEBOUNCE_LIMIT(25000000 / 25000)
  ) Debounce_Switch_3 (
    .i_Clk(i_Clk),
    .i_Bouncy(i_Switch_3),
    .o_Debounced(w_Switch_3_Debounced)
  );

  Debounce_Filter #(
    .DEBOUNCE_LIMIT(25000000 / 25000)
  ) Debounce_Switch_4 (
    .i_Clk(i_Clk),
    .i_Bouncy(i_Switch_4),
    .o_Debounced(w_Switch_4_Debounced)
  );

  Pong #() MyPong (
    .i_Clk(i_Clk),
    .i_HSync(w_HSync_Start),
    .i_VSync(w_VSync_Start),
    .i_GameStart(w_dataReady),
    .i_Player1_Up(w_Switch_1_Debounced),
    .i_Player1_Down(w_Switch_2_Debounced),
    .i_Player2_Up(w_Switch_3_Debounced),
    .i_Player2_Down(w_Switch_4_Debounced),
    .o_HSync(w_HSync_FromPong),
    .o_VSync(w_VSync_FromPong),
    .o_Red(w_Red_FromPong),
    .o_Green(w_Green_FromPong),
    .o_Blue(w_Blue_FromPong)
  );

  VGA_Add_Porches_To_Output #() PorchOutput (
    .i_Clk(i_Clk),
    .i_HSync(w_HSync_FromPong),
    .i_VSync(w_VSync_FromPong),
    .i_Red(w_Red_FromPong),
    .i_Green(w_Green_FromPong),
    .i_Blue(w_Blue_FromPong),
    .o_HSync(w_HSync_FromPorchSync),
    .o_VSync(w_VSync_FromPorchSync),
    .o_Red(w_Red_FromPorchSync),
    .o_Green(w_Green_FromPorchSync),
    .o_Blue(w_Blue_FromPorchSync)
  );

  assign o_VGA_HSync = w_HSync_FromPorchSync;
  assign o_VGA_VSync = w_VSync_FromPorchSync;

  assign o_VGA_Red_0 = w_Red_FromPorchSync[0];
  assign o_VGA_Red_1 = w_Red_FromPorchSync[1];
  assign o_VGA_Red_2 = w_Red_FromPorchSync[2];

  assign o_VGA_Grn_0 = w_Green_FromPorchSync[0];
  assign o_VGA_Grn_1 = w_Green_FromPorchSync[1];
  assign o_VGA_Grn_2 = w_Green_FromPorchSync[2];

  assign o_VGA_Blu_0 = w_Blue_FromPorchSync[0];
  assign o_VGA_Blu_1 = w_Blue_FromPorchSync[1];
  assign o_VGA_Blu_2 = w_Blue_FromPorchSync[2];
endmodule