package static

import (
	"fmt"

	wrapping "github.com/hashicorp/go-kms-wrapping"

	"github.com/hashicorp/boundary/internal/db"
)

// A Repository stores and retrieves the persistent types in the static
// package. It is not safe to use a repository concurrently.
type Repository struct {
	reader  db.Reader
	writer  db.Writer
	wrapper wrapping.Wrapper
}

// NewRepository creates a new Repository. The returned repository should
// only be used for one transaction and it is not safe for concurrent go
// routines to access it.
func NewRepository(r db.Reader, w db.Writer, wrapper wrapping.Wrapper) (*Repository, error) {
	switch {
	case r == nil:
		return nil, fmt.Errorf("db.Reader: %w", db.ErrNilParameter)
	case w == nil:
		return nil, fmt.Errorf("db.Writer: %w", db.ErrNilParameter)
	case wrapper == nil:
		return nil, fmt.Errorf("wrapping.Wrapper: %w", db.ErrNilParameter)
	}

	return &Repository{
		reader:  r,
		writer:  w,
		wrapper: wrapper,
	}, nil
}