Cold Mussels on a Half Shell

Name: Cold Mussels on a Half Shell
Ingredients: 1 small shallot, finely chopped; 2 tablespoons (30 ml) olive oil; 1/2 cup (125 ml) white wine; 1 lb (454 g) mussels, cleaned; 1/2 orange, cut into skinless segments and finely diced, with the juice; 1/2 cup (125 ml) cucumber, cut into brunoise (finely diced); 1/2 plum tomatoes, seeded and cut into brunoise; 1/2 tablespoon (7.5 ml) white wine vinegar; 2 teaspoons (10 ml) chopped fresh chives; 2 teaspoons (10 ml) chopped parsley; Salt and pepper