/*
 * Copyright (C) EdgeTX
 *
 * Based on code named
 *   opentx - https://github.com/opentx/opentx
 *   th9x - http://code.google.com/p/th9x
 *   er9x - http://code.google.com/p/er9x
 *   gruvin9x - http://code.google.com/p/gruvin9x
 *
 * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include "opentx.h"
#include "tasks.h"
#include "mixer_scheduler.h"

#include "hal/adc_driver.h"

#if defined(BLUETOOTH)
  #include "bluetooth_driver.h"
#endif

#define STATS_1ST_COLUMN               1
#define STATS_2ND_COLUMN               7*FW+FW/2
#define STATS_3RD_COLUMN               14*FW+FW/2
#define STATS_LABEL_WIDTH              3*FW

void menuStatisticsView(event_t event)
{
  title(STR_MENUSTAT);

  switch (event) {
    case EVT_KEY_FIRST(KEY_UP):
    case EVT_KEY_BREAK(KEY_PAGEDN):
      chainMenu(menuStatisticsDebug);
      break;

    case EVT_KEY_FIRST(KEY_DOWN):
    case EVT_KEY_BREAK(KEY_PAGEUP):
      chainMenu(menuStatisticsDebug2);
      break;

    case EVT_KEY_LONG(KEY_ENTER):
      g_eeGeneral.globalTimer = 0;
      storageDirty(EE_GENERAL);
      sessionTimer = 0;
      break;

    case EVT_KEY_BREAK(KEY_EXIT):
      chainMenu(menuMainView);
      break;
  }

  // Session and Total timers
  lcdDrawText(STATS_1ST_COLUMN, FH*1+1, "SES", BOLD);
  drawTimer(STATS_1ST_COLUMN + STATS_LABEL_WIDTH, FH*1+1, sessionTimer);
  lcdDrawText(STATS_1ST_COLUMN, FH*2+1, "TOT", BOLD);
  drawTimer(STATS_1ST_COLUMN + STATS_LABEL_WIDTH, FH*2+1, g_eeGeneral.globalTimer + sessionTimer, TIMEHOUR, 0);

  // Throttle special timers
  lcdDrawText(STATS_2ND_COLUMN, FH*0+1, "THR", BOLD);
  drawTimer(STATS_2ND_COLUMN + STATS_LABEL_WIDTH, FH*0+1, s_timeCumThr);
  lcdDrawText(STATS_2ND_COLUMN, FH*1+1, "TH%", BOLD);
  drawTimer(STATS_2ND_COLUMN + STATS_LABEL_WIDTH, FH*1+1, s_timeCum16ThrP/16);

  // Timers
  for (int i=0; i<TIMERS; i++) {
    drawStringWithIndex(STATS_3RD_COLUMN, FH*i+1, "TM", i+1, BOLD);
    if (timersStates[i].val > 3600)
      drawTimer(STATS_3RD_COLUMN + STATS_LABEL_WIDTH, FH*i+1, timersStates[i].val, TIMEHOUR, 0);
    else
      drawTimer(STATS_3RD_COLUMN + STATS_LABEL_WIDTH, FH*i+1, timersStates[i].val);
  }

#if defined(THRTRACE)
  const coord_t x = 5;
  const coord_t y = 60;
  lcdDrawSolidHorizontalLine(x-3, y, MAXTRACE+3+3);
  lcdDrawSolidVerticalLine(x, y-32, 32+3);
  for (coord_t i=0; i<MAXTRACE; i+=6) {
    lcdDrawSolidVerticalLine(x+i+6, y-1, 3);
  }

  uint16_t traceRd = s_traceWr > MAXTRACE ? s_traceWr - MAXTRACE : 0;
  for (coord_t i=1; i<=MAXTRACE && traceRd<s_traceWr; i++, traceRd++) {
    uint8_t h = s_traceBuf[traceRd % MAXTRACE];
    lcdDrawSolidVerticalLine(x+i, y-h, h);
  }
#endif
}

#define MENU_DEBUG_COL1_OFS          (11*FW-3)
#define MENU_DEBUG_COL2_OFS          (17*FW)

void menuStatisticsDebug(event_t event)
{
  title(STR_MENUDEBUG);

  switch (event) {
    case EVT_ENTRY:
    case EVT_ENTRY_UP:
      break;

    case EVT_KEY_LONG(KEY_ENTER):
      g_eeGeneral.globalTimer = 0;
      sessionTimer = 0;
      storageDirty(EE_GENERAL);
      break;

    case EVT_KEY_BREAK(KEY_ENTER):
#if defined(LUA)
      maxLuaInterval = 0;
      maxLuaDuration = 0;
#endif
      maxMixerDuration  = 0;
      break;

    case EVT_KEY_FIRST(KEY_UP):
    case EVT_KEY_BREAK(KEY_PAGEDN):
      disableVBatBridge();
      chainMenu(menuStatisticsDebug2);
      break;

    case EVT_KEY_FIRST(KEY_DOWN):
    case EVT_KEY_BREAK(KEY_PAGEUP):
      disableVBatBridge();
      chainMenu(menuStatisticsView);
      break;

    case EVT_KEY_BREAK(KEY_EXIT):
      disableVBatBridge();
      chainMenu(menuMainView);
      break;
  }

  uint8_t y = FH + 1;

  lcdDrawTextAlignedLeft(y, STR_FREE_MEM_LABEL);
  lcdDrawNumber(MENU_DEBUG_COL1_OFS, y, availableMemory(), LEFT);
  lcdDrawText(lcdLastRightPos+FW, y, STR_BYTES);
  y += FH;

#if defined(LUA)
  lcdDrawTextAlignedLeft(y, TR_LUA_SCRIPTS_LABEL);
  lcdDrawText(MENU_DEBUG_COL1_OFS, y+1, STR_DURATION_MS, SMLSIZE);
  lcdDrawNumber(lcdLastRightPos, y, 10*maxLuaDuration, LEFT);
  lcdDrawText(lcdLastRightPos+2, y+1, STR_INTERVAL_MS, SMLSIZE);
  lcdDrawNumber(lcdLastRightPos, y, 10*maxLuaInterval, LEFT);
  y += FH;
#endif

  lcdDrawTextAlignedLeft(y, STR_TMIXMAXMS);
  lcdDrawNumber(MENU_DEBUG_COL1_OFS, y, DURATION_MS_PREC2(maxMixerDuration), PREC2|LEFT);
  lcdDrawText(lcdLastRightPos, y, STR_MS);
  lcdDrawText(lcdLastRightPos, y, " (");
  lcdDrawNumber(lcdLastRightPos, y, getMixerSchedulerPeriod() / 1000, LEFT);
  lcdDrawText(lcdLastRightPos, y, "ms)");
  y += FH;

  lcdDrawTextAlignedLeft(y, STR_FREE_STACK);
  lcdDrawNumber(MENU_DEBUG_COL1_OFS, y, menusStack.available(), LEFT);
  lcdDrawText(lcdLastRightPos, y, "/");
  lcdDrawNumber(lcdLastRightPos, y, mixerStack.available(), LEFT);
#if defined(AUDIO)
  lcdDrawText(lcdLastRightPos, y, "/");
  lcdDrawNumber(lcdLastRightPos, y, audioStack.available(), LEFT);
#endif
  y += FH;

#if defined(DEBUG_LATENCY)
  lcdDrawTextAlignedLeft(y, STR_HEARTBEAT_LABEL);
  if (heartbeatCapture.valid)
    lcdDrawNumber(MENU_DEBUG_COL1_OFS, y, heartbeatCapture.count, LEFT);
  else
    lcdDrawText(MENU_DEBUG_COL1_OFS, y, "---");
  y += FH;
#endif

  lcdDrawText(LCD_W/2, 7*FH+1, STR_MENUTORESET, CENTERED);
  lcdInvertLastLine();
}

void menuStatisticsDebug2(event_t event)
{
  title(STR_MENUDEBUG);

  switch(event) {
    // case EVT_KEY_BREAK(KEY_ENTER):
    //   telemetryErrors  = 0;
    //   break;

    case EVT_KEY_FIRST(KEY_UP):
    case EVT_KEY_BREAK(KEY_PAGEDN):
      chainMenu(menuStatisticsView);
      return;

    case EVT_KEY_FIRST(KEY_DOWN):
    case EVT_KEY_BREAK(KEY_PAGEUP):
      chainMenu(menuStatisticsDebug);
      break;

    case EVT_KEY_BREAK(KEY_EXIT):
      chainMenu(menuMainView);
      break;
  }

  uint8_t y = FH + 1;

  // lcdDrawTextAlignedLeft(y, "Tlm RX Err");
  // lcdDrawNumber(MENU_DEBUG_COL1_OFS, y, telemetryErrors, RIGHT);
  y += FH;

#if defined(BLUETOOTH)
  lcdDrawTextAlignedLeft(y, "BT status");
  lcdDrawNumber(MENU_DEBUG_COL1_OFS, y, IS_BLUETOOTH_CHIP_PRESENT(), RIGHT);
  y += FH;
#endif

  lcdDrawText(LCD_W/2, 7*FH+1, STR_MENUTORESET, CENTERED);
  lcdInvertLastLine();
}