package ocean

import "sync"

type Collection interface {
	Get(key string) (value any, ok bool)
}

// collection is a hash map of homogeneous data.
type collection struct {
	data sync.Map
	name string
}

// Force interface implementation
var _ Collection = (*collection)(nil)

// NewCollection creates a new collection with the given name.
func NewCollection(name string) *collection {
	return &collection{name: name}
}

// Get returns the value for the given key.
func (c *collection) Get(key string) (value any, ok bool) {
	return c.data.Load(key)
}

// Set sets the value for the given key.
func (c *collection) Set(key string, value any) {
	c.data.Store(key, value)
}

// Delete deletes a key from the collection.
func (c *collection) Delete(key string) {
	c.data.Delete(key)
}

// Exists returns whether or not the key exists.
func (c *collection) Exists(key string) bool {
	_, exists := c.data.Load(key)
	return exists
}