J.W. v. His Majesty the King

Can the anticipated time to complete rehabilitative programming be considered when determining the length of a custodial sentence outside the dangerous offender regime?
Should the completion of rehabilitative programming affect the length of a custodial sentence outside the dangerous offender regime?
Does delay caused by the offender constitute wrongful conduct that justifies the denial of enhanced custodial credit?
Are offenders detained in mental health facilities prior to sentencing entitled to enhanced credit for those periods?