package git

import (
	"os"
	"time"

	"gopkg.in/src-d/go-git.v4/plumbing"
	"src.dualinventive.com/go/devsim/repository"
)

// Template contains all the data that a particular simulator needs in order to run.
type Template struct {
	author      string
	authorEmail string
	key         plumbing.Hash
	name        string
	time        time.Time
	tagHash     *plumbing.Hash
	manager     *manager
}

// Static check
var _ repository.Template = &Template{}

// Create ensures that all the data is available.
func (g *Template) Create() error {
	return g.manager.clone(g.key)
}

// Destroy removes all the template data.
func (g *Template) Destroy() error {
	return os.RemoveAll(g.Path())
}

// Path returns the location where the template files are located
func (g *Template) Path() string {
	return g.manager.hashPath(g.key)
}

// Name returns the name of the template.
func (g *Template) Name() string {
	return g.manager.uri
}

// Key returns the commit hash of the template.
func (g *Template) Key() string {
	return g.key.String()
}

// Version is the semantic version of the template
func (g *Template) Version() string {
	if g.tagHash == nil {
		return g.Key()
	}
	version, err := g.manager.versionByTagHash(*g.tagHash)
	if err != nil {
		return g.Key()
	}
	return version
}

// Author is the e-mail address of the author who created the template.
func (g *Template) Author() string {
	return g.authorEmail
}

// DeviceUID gets the deviceuid
func (g *Template) DeviceUID() string {
	return ""
}