string reactionHistoryFormula(Chemical chemical)
{
string s = String.Empty;
switch (chemical.Series)
{
case Series.Alkane:
if (reactionHistory.Contains("Alkane"))
{
if (chemical.Name == "Methane")
{
s = "CO2 + 4H2 = CH4";
}
else
{
s = chemical.Name.Replace("ane", "ene").ToLower() + " + H2Ni + HEAT" + "\n\r" + "= " + chemical.Name.ToLower();
}
}
else
{
string element = chemical.GetElement(Element.C).ToString();
if (element == "0" || element == "1")
{
element = String.Empty;
}
s += "??? + ??? = " + "C" + element;
element = chemical.GetElement(Element.H).ToString();
s += "H" + element;
}
break;
case Series.Alkene:
int count = 0;
string[] str = { "Alkene_Hydration", "Alkene_Halogenation", "Alkene_Hydrohalogenation", "Alkene_Hydrogenation" };
foreach (string reaction in str)
{
if (reactionHistory.Contains(reaction))
{
s += reaction.Replace("Alkene_", "") + ", ";
if (count == 2)
{
s += "\n\r";
}
}
else
{
s += "???, ";
}
if (count == 1)
{
s += "\n\r";
}
count++;
}
break;
case Series.Alcohol:
if (reactionHistory.Contains("Alcohol"))
{
s = chemical.Name.Replace("anol", "ene").ToLower() + " + NaOH + HEAT" + "\n\r" + "= " + chemical.Name.ToLower();
}
else
{
string element = chemical.GetElement(Element.C).ToString();
if (element == "0" || element == "1")
{
element = String.Empty;
}
s += "??? + ??? = " + "C" + element;
element = (chemical.GetElement(Element.H) - 1).ToString();
s += "H" + element + "OH";
}
break;
case Series.Halogenoalkane:
s = String.Empty;
if (reactionHistory.Contains("Halogenoalkane_Halogenation"))
{
string a = chemical.Name.Replace("ane", "ene").ToLower();
s = a + " + HBr + HEAT" + "\n\r" + "= " + chemical.Name.ToLower();
}
// CAUTION: halogenoalkane_Hydrohalogenation is missing, but not a priority to sort out here
else
{
string element = chemical.GetElement(Element.C).ToString();
if (element == "0" || element == "1")
{
element = String.Empty;
}
s += "??? + ??? = " + "C" + element;
element = chemical.GetElement(Element.H).ToString();
s += "H" + element + "Br";
}
break;
}
return(s);
}
