#include "variable_box_controller.h"
#include "constant.h"
#include "variable_box_node.h"

const VariableBoxNode numberChildren[10] = {VariableBoxNode("A"), VariableBoxNode("B"), VariableBoxNode("C"),
 VariableBoxNode("D"), VariableBoxNode("E"), VariableBoxNode("F"), VariableBoxNode("G"), VariableBoxNode("H"),
 VariableBoxNode("I"), VariableBoxNode("J")};
const VariableBoxNode listChildren[10] = {VariableBoxNode("L1"), VariableBoxNode("L2"), VariableBoxNode("L3"),
 VariableBoxNode("L4"), VariableBoxNode("L5"), VariableBoxNode("L6"), VariableBoxNode("L7"), VariableBoxNode("L8"),
 VariableBoxNode("L9"), VariableBoxNode("L10")};
const VariableBoxNode matriceChildren[10] = {VariableBoxNode("M1"), VariableBoxNode("M2"), VariableBoxNode("M3"),
 VariableBoxNode("M4"), VariableBoxNode("M5"), VariableBoxNode("M6"), VariableBoxNode("M7"), VariableBoxNode("M8"),
 VariableBoxNode("M9"), VariableBoxNode("M10")};
const VariableBoxNode menu[3] = {VariableBoxNode("Nombres", numberChildren, 10), VariableBoxNode("Listes", listChildren, 10),
  VariableBoxNode("Matrices", matriceChildren, 10)};
const VariableBoxNode variableBoxModel = VariableBoxNode("Variables", menu, 3);

VariableBoxController::VariableBoxController(Context * context) :
  m_context(context)
{
}

const char * VariableBoxController::title() const {
  return "VariableBoxController";
}

TableViewCell * VariableBoxController::leafCellAtIndex(int index) {
  return &m_leafCells[index];
}

TableViewCell * VariableBoxController::nodeCellAtIndex(int index) {
  return &m_nodeCells[index];
}

void VariableBoxController::willDisplayCellForIndex(TableViewCell * cell, int index) {
  const Node * node = m_listViewController.nodeModel()->children(index);
  const char * label = node->label();
  if (node->numberOfChildren() > 0) {
    MenuListCell * myCell = (MenuListCell *)cell;
    myCell->setText(label);
    return;
  }
  const char * parentNodeLabel = m_listViewController.nodeModel()->label();
  VariableBoxLeafCell * myCell = (VariableBoxLeafCell *)cell;
  myCell->setLabel(label);
  const Expression * expression = m_context->scalarExpressionForIndex(index);
  if (strcmp(parentNodeLabel, "Matrices") == 0) {
  //expression = m_context->matrixExpressionForIndex(index);
  }
  if (strcmp(parentNodeLabel, "Listes") == 0) {
    //expression = m_context->listExpressionForIndex(index);
  }
  if (expression) {
    myCell->setExpression(expression->createLayout());
  }
  if (strcmp(parentNodeLabel, "Nombres") == 0) {
    myCell->setSubtitle("");
  } else {
    if (expression == nullptr) {
      myCell->setSubtitle("Vide");
    }
    // TODO: display the dimension of the list/matrice
    /* char buffer[4];
     * buffer[0] = (Matrice *)expression->dim(0);
     * buffer[1] = 'x';
     * buffer[2] = (Matrice *)expression->dim(1)
     * buffer[3] = 0;
     * myCell->setSubtitle(buffer);*/
  }
}

Node * VariableBoxController::nodeModel() {
  return (Node *)&variableBoxModel;
}

bool VariableBoxController::selectLeaf(Node * selectedNode){
  m_listViewController.deselectTable();
  const char * editedText = selectedNode->label();
  m_textFieldCaller->appendText(editedText);
  app()->dismissModalViewController();
  return true;
}