cmd: unload cargo

internal/error/generic.go

@@ -41,10 +41,14 @@ const (
 	ErrInputScienceSumValues
 	ErrInputProductionInvalid
 	ErrInputCargoTypeInvalid
+	ErrInputCargoQuantityWithoutGroupBreak
 	ErrInputCargoLoadNotEnough
 	ErrInputCargoLoadNotEqual
-	ErrInputCargoLoadNoCargoBay
+	ErrInputNoCargoBay
 	ErrInputCargoLoadNoSpaceLeft
+	ErrInputCargoUnloadEmpty
+	ErrInputCargoUnoadNotEnough
+	ErrInputBreakGroupIllegalNumber
 )
 
 func GenericErrorText(code int) string {
@@ -99,14 +103,22 @@ func GenericErrorText(code int) string {
 		return "Invalid Production type"
 	case ErrInputCargoTypeInvalid:
 		return "Invalid cargo type"
+	case ErrInputCargoQuantityWithoutGroupBreak:
+		return "Cargo quantity should be specified only for a new group number of ships"
 	case ErrInputCargoLoadNotEnough:
 		return "Not enough cargo to load"
 	case ErrInputCargoLoadNotEqual:
 		return "Ship(s) already loaded with another cargo"
-	case ErrInputCargoLoadNoCargoBay:
+	case ErrInputNoCargoBay:
 		return "Ship type is not designed to carry cargo"
 	case ErrInputCargoLoadNoSpaceLeft:
 		return "No space left on the ships to load cargo"
+	case ErrInputCargoUnloadEmpty:
+		return "Ships are not carrying any cargo"
+	case ErrInputCargoUnoadNotEnough:
+		return "Not enough cargo on the ships(s)"
+	case ErrInputBreakGroupIllegalNumber:
+		return "Illegal ships number to make new group"
 	case ErrMergeShipTypeNotEqual:
 		return "Source and target ship types are not the same"
 	case ErrJoinFleetGroupNumberNotEnough: