function TMW.CNDT.Env.GetInterruptSpell(rangeCheck)

    local lclass,eclass,index=UnitClass("player")
    if index==1 then
        return "Pummel"
    elseif index==2 then
        return "Rebuke"
    elseif index==3 then
        if GetSpecialization()==3 then --Survival
            return "Muzzle"
        else
            return "Counter Shot"
        end
    elseif index==4 then
        return "Kick"
    elseif index==5 then
        if GetSpecialization()==1 then --Discipline
            if rangeCheck then
                return nil
            else
                return "Psychic Scream"
            end
        else
            return "Silence"
        end
    elseif index==6 then
        return "Mind Freeze"
    elseif index==7 then
        return "Wind Shear"
    elseif index==8 then
        return "Counterspell"
    elseif index==9 then
        if rangeCheck then
            local pet=UnitCreatureFamily("pet")
            if pet=="Doomguard" or pet=="Felhunter" then
                local spec=GetSpecialization()
                if spec==1 then --Affliction
                    return "Agony"
                elseif spec==2 then --Demonology
                    return "Shadow Bolt"
                else
                    return "Chaos Bolt"
                end
            end
        else
            local pet=UnitCreatureFamily("pet")
            if pet=="Doomguard" then
                return 171138 --Shadow Lock
            elseif pet=="Felhunter" then
                return 19647 --Spell Lock
            end
        end
    elseif index==10 then
        return "Spear Hand Strike"
    elseif index==11 then
        if GetSpecialization()==1 then --Balance
            return "Solar Beam"
        else
            local form=GetShapeshiftForm()
            if form==1 or form==2 then
                return "Skull Bash"
            end
        end
    elseif index==12 then
        return "Consume Magic"
    end

    return nil
end

function TMW.CNDT.Env.InterruptReady()

    local spell=TMW.CNDT.Env.GetInterruptSpell(false)
    if spell==nil then
        return false
    else
        local start,dur=GetSpellCooldown(spell)
        return dur~=nil and dur<0.5
    end

end

function TMW.CNDT.Env.InterruptInRange(unit)

    local spell=TMW.CNDT.Env.GetInterruptSpell(true)
    if spell==nil then
        return true
    else
        local range=IsSpellInRange(spell,unit)
        return range~=nil and range==1
    end

end

function TMW.CNDT.Env.InterruptOutOfRange(unit)

    local spell=TMW.CNDT.Env.GetInterruptSpell(true)
    if spell==nil then
        return false
    else
        local range=IsSpellInRange(spell,unit)
        return range~=nil and range==0
    end

end

function TMW.CNDT.Env.EnoughTimeLeft(unit)

    local name, _, _, _, _, endTime, _, _, _ = UnitCastingInfo(unit)
    if not name then
        name, _, _, _, _, endTime, _, _ = UnitChannelInfo(unit)
    end

    return endTime ~= nil and GetTime() * 1000 < endTime - 500

end