package models

import (
	"fmt"
)

// Store represents the backing store.
type Store interface {
	ConnectionLive() error
	SelectActions() ([]*Action, error)
	SelectActionByID(id int) (*Action, error)
	InsertAction(action *Action) (int, error)
	UpdateAction(action *Action) error
	SelectPlans() ([]*Plan, error)
	SelectPlanByID(id int) (*Plan, error)
	InsertPlan(plan *Plan) (int, error)
	SelectActionsByPlanID(plan *Plan) ([]*Action, error)
	SelectUserByUsername(username string) (*User, error)
	InsertUser(user *User) (int, error)
}

// Model represents a current model item.
type Model struct {
	Store
}

// New creates an instance of the model using the passed in store.
func New(store Store) *Model {
	return &Model{Store: store}
}

// Healthy returns an error if the connection is healthy.
// Wrapper over db.Ping()
func (m *Model) Healthy() error {
	if m.Store == nil {
		return fmt.Errorf("No store available")
	}
	return m.ConnectionLive()
}