import "github.com/go-coldbrew/data-builder"

var (
    ErrInvalidBuilder             = errors.New("The provided builder is invalid")
    ErrInvalidBuilderKind         = errors.New("invalid builder, should only be a function")
    ErrInvalidBuilderNumOutput    = errors.New("invalid builder, should always return two values")
    ErrInvalidBuilderFirstOutput  = errors.New("invalid builder, first return type should be a struct")
    ErrInvalidBuilderSecondOutput = errors.New("invalid builder, second return type should be error")
    ErrInvalidBuilderInput        = errors.New("invalid builder, input should be a struct")
    ErrMultipleBuilderSameOutput  = errors.New("invalid, multiple builders CAN NOT produce the same output")
)

func IsValidBuilder(builder interface{}) error

type Data map[string]interface{}

type DataBuilder interface {
    AddBuilders(...interface{}) error
    Compile() (Plan, error)
}

func New() DataBuilder

type Plan interface {
    Run(...interface{}) (Data, error)
}