Lebanese Chicken Kebabs

Name: Lebanese Chicken Kebabs
Ingredients: 2 to 2 1/2 pounds boneless and skinless chicken breast (diced); 2 tablespoons extra virgin olive oil; 5-6 garlic cloves (minced); 1 tablespoon smoked paprika {or sweet paprika works}; 1/2 teaspoon cumin; 1/8 teaspoon cinnamon; 1/2 teaspoon thyme; 1 teaspoon oregano; 1 teaspoon crushed red pepper flakes {optional}; Juice from 1 lemon; Zest from half of the lemon; 2 tablespoons tomato paste; 1/2 teaspoon salt; 1/8 teaspoon black pepper; Fresh parsley for garnish; Lemon wedges for serving; Yogurt sauce and pita for serving