package scsusers

import (
	"embed"
	"html/template"
	"log"
)

//go:embed templates/*.html
var FS embed.FS

func SetTemplate(name, t string) bool {
	if len(t) != 0 {
		r, err := template.New(name).Parse(t)
		if err != nil {
			log.Printf("scsusers.SetTemplate: Template %s failed to compile: %s\n", name, err.Error())
			return true
		}
		switch name {
		case "registration":
			c.Templates.Registration = r
		case "alert":
			c.Templates.Alert = r
		case "recovery":
			c.Templates.Recovery = r
		case "2fa":
			c.Templates.TwoFA = r
		}
		return false
	}

	r, err := template.New(name).Parse(t)
	if err != nil {
		log.Printf("scsusers.SetTemplate: Default %s template MUST compile. Error: %s\n", name, err.Error())
		return false
	}
	switch name {
	case "registration":
		c.Templates.Registration = r
	case "alert":
		c.Templates.Alert = r
	case "recovery":
		c.Templates.Recovery = r
	case "2fa":
		c.Templates.TwoFA = r
	}
	return false
}

func SetRegistrationTemplate(t string) bool {
	if len(t) != 0 {
		r, err := template.New("registration").Parse(t)
		if err != nil {
			c.Templates.Registration = r
			return true
		}
	}
	df, err := FS.ReadFile("templates/registration.html")
	if err != nil {
		log.Fatal("Missing recovery template")
	}

	r, err := template.New("registration").Parse(string(df))
	if err != nil {
		log.Fatal("scsusers.SetRegistrationTemplate: Default registration template MUST compile. Error: " + err.Error())
	}
	c.Templates.Registration = r

	return false
}

func Set2faTemplate(t string) bool {
	if len(t) != 0 {
		r, err := template.New("2fa").Parse(t)
		if err != nil {
			c.Templates.TwoFA = r
			return true
		}
	}
	df, err := FS.ReadFile("templates/2fa.html")
	if err != nil {
		log.Fatal("Missing 2fa template")
	}

	r, err := template.New("2fa").Parse(string(df))
	if err != nil {
		log.Fatal("scsusers.Set2faTemplate: Default 2fa template MUST compile. Error: " + err.Error())
	}
	c.Templates.TwoFA = r

	return false
}

func SetAlertTemplate(t string) bool {
	if len(t) != 0 {
		r, err := template.New("alert").Parse(t)
		if err != nil {
			c.Templates.Alert = r
			return true
		}
	}
	df, err := FS.ReadFile("templates/alert.html")
	if err != nil {
		log.Fatal("Missing recovery template")
	}

	r, err := template.New("alert").Parse(string(df))
	if err != nil {
		log.Fatal("scsusers.SetAlertTemplate: Default alert template MUST compile. Error: " + err.Error())
	}
	c.Templates.Alert = r
	return false
}

func SetRecoveryTemplate(t string) bool {
	if len(t) != 0 {
		r, err := template.New("recovery").Parse(t)
		if err != nil {
			c.Templates.Recovery = r
			return true
		}
	}
	df, err := FS.ReadFile("templates/recovery.html")
	if err != nil {
		log.Fatal("Missing recovery template")
	}
	r, err := template.New("recovery").Parse(string(df))
	if err != nil {
		log.Fatal("scsusers.SetRecoveryTemplate: Default recovery template MUST compile. Error: " + err.Error())
	}
	c.Templates.Recovery = r

	return false
}