package mdb

import (
	"fmt"
	"reflect"
)

func (m *MapIndex[K, T]) Equals(rhs *MapIndex[K, T]) error {
	return m.EqualsMap(rhs.m)
}

func (m *MapIndex[K, T]) EqualsMap(data map[K]*T) error {
	if len(m.m) != len(data) {
		return fmt.Errorf("Expected %d items, but found %d.", len(data), len(m.m))
	}

	for key, exp := range data {
		val, ok := m.Get(key)
		if !ok {
			return fmt.Errorf("No value for %v. Expected: %v", key, *exp)
		}
		if !reflect.DeepEqual(val, *exp) {
			return fmt.Errorf("Value mismatch %v: %v != %v", key, val, *exp)
		}
	}

	return nil
}