#include "keyboard_view.h"
#include "../constant.h"

namespace HardwareTest {

KeyboardView::KeyboardView() :
  m_testedKeyIndex(0)
{
}

int KeyboardView::testedKeyIndex() const {
  return m_testedKeyIndex;
}

void KeyboardView::setTestedKeyIndex(int i) {
  m_testedKeyIndex = i;
  markRectAsDirty(bounds());
}


void KeyboardView::drawRect(KDContext * ctx, KDRect rect) const {
  ctx->fillRect(bounds(), KDColorWhite);
  for (int i = 0; i < Ion::Keyboard::NumberOfValidKeys; i++) {
     drawKey(i, ctx, rect);
  }
}

void KeyboardView::drawKey(int keyIndex, KDContext * ctx, KDRect rect) const {
  KDColor color = keyIndex < m_testedKeyIndex ? KDColorGreen: KDColorBlack;
  if (keyIndex == m_testedKeyIndex) {
    color = KDColorBlue;
  }
  Ion::Keyboard::Key key = Ion::Keyboard::ValidKeys[keyIndex];
  /* the key is on the cross */
  if ((uint8_t)key < 4) {
    KDCoordinate x = (uint8_t)key == 1 || (uint8_t)key == 2 ? k_margin + k_smallSquareSize : k_margin;
    x = (uint8_t)key == 3 ? x + 2*k_smallSquareSize : x;
    KDCoordinate y = (uint8_t)key == 0 || (uint8_t)key == 3 ? k_margin + k_smallSquareSize : k_margin;
    y = (uint8_t)key == 2 ? y + 2*k_smallSquareSize : y;
    ctx->fillRect(KDRect(x, y, k_smallSquareSize, k_smallSquareSize), color);
  }
  /* the key is a "OK" or "back" */
  if ((uint8_t)key >= 4 && (uint8_t)key < 6) {
    KDCoordinate x = (uint8_t)key == 4 ? 5*k_margin + 3*k_smallSquareSize + 2*k_bigRectWidth : 6*k_margin + 3*k_smallSquareSize + 2*k_bigRectWidth + k_bigSquareSize;
    KDCoordinate y = 2*k_margin;
    ctx->fillRect(KDRect(x, y, k_bigSquareSize, k_bigSquareSize), color);
  }
  /* the key is a "home" or "power" */
  if ((uint8_t)key >= 6 && (uint8_t)key < 8) {
    KDCoordinate x = 3*k_margin + 3*k_smallSquareSize;
    KDCoordinate y = (uint8_t)key == 6 ? k_margin : 2*k_margin + k_bigRectHeight;
    ctx->fillRect(KDRect(x, y, k_bigRectWidth, k_bigRectHeight), color);
  }
  /* the key is a small key as "shift", "alpha" ...*/
  if ((uint8_t)key >= 12 && (uint8_t)key < 30) {
    int j = ((uint8_t)key - 12)/6;
    int i = ((uint8_t)key - 12) - 6*j;
    KDCoordinate x = (i+1)*k_margin + i*k_smallRectWidth;
    KDCoordinate y = 2*k_bigRectHeight + (j+3)*k_margin + j*k_smallRectHeight;
    ctx->fillRect(KDRect(x, y, k_smallRectWidth, k_smallRectHeight), color);
  }
  /* the key is a big key as "7", "Ans" ...*/
  if ((uint8_t)key >= 30 && (uint8_t)key != 35 && (uint8_t)key != 41 && (uint8_t)key != 47 && (uint8_t)key !=  53) {
    int j = ((uint8_t)key - 30)/6;
    int i = ((uint8_t)key - 30) - 6*j;
    KDCoordinate x = (i+1)*k_margin + i*k_bigRectWidth;
    KDCoordinate y = 2*k_bigRectHeight + 3*k_smallRectHeight + (j+6)*k_margin + j*k_bigRectHeight;
    ctx->fillRect(KDRect(x, y, k_bigRectWidth, k_bigRectHeight), color);
  }
}

}
