#include "simpc_ui.h"

#include "disas.h"

#define NCUR_X 5
#define attroff(...)
#define attron(...)
#define PRINT_ME(y, x, ...)                                                    \
  {                                                                            \
    printf("%*c", x, ' ');                                                     \
    printf(__VA_ARGS__);                                                       \
    printf("\n");                                                              \
  }
#define PRINT_ME_W(w, y, x, ...)                                                    \
  {                                                                            \
    printf("%*c", x, ' ');                                                     \
    printf(__VA_ARGS__);                                                       \
    printf("\n");                                                              \
  }
#define PRINT_NEXT()                                                           \
  { puts("-----"); }


#include "Vcomputer.h"
#include "Vcomputer___024root.h"
#include "Vcomputer_computer.h"
#include "verilated.h"
#include <cstdint>
#include <cstdio>
#include <sched.h>

bool paused = false;

static void handle_key();

void simpc_ui_write(const std::unique_ptr<Vcomputer> &topp, uint64_t &i,
                    StepPosition_t sp) {
  uint16_t opcode = topp->computer->PC_content_int;

  PRINT_ME_W(status_top, 0, 0, "Step: %10lu \b%c", i,
             sp == StepPosition_t::BEFORE_EVAL ? 'A' : 'B');
  PRINT_ME_W(status_top, 1, 0, "%-20s", paused ? "Paused" : "Running");

  PRINT_ME(3, NCUR_X, "CLK1: %4d\tPC: @0x%04X\tINS: 0x%04X\tHLT: %d",
           topp->clk_in,
           // wrong
           // topp->computer->clk_in,
           topp->computer->PC_addr_int, opcode, topp->halt);

  auto insline = print_decoded(opcode, true);
  PRINT_ME(5, NCUR_X, "%-80s", insline.c_str());

  PRINT_ME(7, NCUR_X, "A: 0x%04X\tD: 0x%04X\tM: 0x%04X\tRES: 0x%04X",
           topp->computer->reg_A_int, topp->computer->reg_D_int,
           topp->computer->reg_pA_int, topp->computer->result_int);
  PRINT_ME(
      8, NCUR_X, "%c%8d\t%c%8d\t%c%8d\t%11d",
      topp->computer->store_to_A_int ? '*' : ' ', topp->computer->reg_A_int,
      topp->computer->store_to_D_int ? '*' : ' ', topp->computer->reg_D_int,
      topp->computer->store_to_pA_int ? '*' : ' ', topp->computer->reg_pA_int,
      topp->computer->result_int);
 
  PRINT_NEXT();
}

void simpc_ui_finish_message(const std::unique_ptr<VerilatedContext> &contextp,
                             const std::unique_ptr<Vcomputer> &topp) {
  attron(A_BOLD);
  auto xpos = 20;
  PRINT_ME_W(status_top, 0, xpos, "Simulation finished.");
  const char *msg;
  if (topp->halt) {
    msg = "Halt encountered.";
  } else if (!contextp->gotFinish()) {
    msg = "Step count exceeded.";
  } else {
    msg = "Regular finish.";
  }
  PRINT_ME_W(status_top, 1, xpos, "%s", msg);

  attroff(A_BOLD);
}

void simpc_ui_init(void) {
}

void simpc_ui_cleanup(void) {

}

void simpc_ui_confirm_finish(void) {

}