Juicy Pork Kofta Wraps with Tzatziki

• 500 g pork mince
• 1 large onion, finely grated
• 3 garlic cloves, minced
• 400 g tinned chickpeas, drained, rinsed and mushed
• 1 tsp cumin
• 1 tsp ground coriander (cilantro)
• 0.5 tsp paprika
• 0.5 tsp cinnamon
• 1 tsp salt
• 4 Lebanese wraps
• 100 g baby spinach
• 1 cup Greek yoghurt
• 1 tsp sumac
• 1 bunch mint leaves, finely chopped
• 200 g tomato, finely chopped
• 2 cucumber, finely chopped
• 1 red onion, finely diced
• 1 bunch parsley (leaves and tender stems only), finely chopped
• 0.5 cup pickles, chopped (optional)
• 4 tsp chilli oil (optional)