package templates

import (
	"embed"
	"html/template"
	"net/http"

	"go.uber.org/zap"
)

//go:embed views/*.html
var tmplFS embed.FS

var (
	Index     = parse("views/index.html")
	Dashboard = parse("views/dashboard.html")
)

func parse(file string) *template.Template {
	return template.Must(template.New("base.html").ParseFS(tmplFS, "views/base.html", file))
}

// Renderer renders HTML templates, and logs any errors.
type Renderer struct {
	logger *zap.SugaredLogger
}

func NewRenderer(logger *zap.SugaredLogger) *Renderer {
	return &Renderer{logger: logger}
}

// Render renders an HTML template to an http.ResponseWriter.
func (r *Renderer) Render(w http.ResponseWriter, template *template.Template, data any) {
	if err := template.Execute(w, data); err != nil {
		r.logger.With("err", err).Error("error rendering template")
		http.Error(w, "error rendering template", http.StatusInternalServerError)
	}
}