package templates

import (
	"prosocial/database"
	"time"
	_ "time/tzdata"

	"github.com/rs/zerolog/log"

	"github.com/google/uuid"
)

type Template interface {
	TemplatePath() string // path to the template stored in the server
	OnClickPath() string  // every notification needs to be clickable, and that should take the user somewhere.
	// leave blank to mark as read??
}

type welcome struct {
	UserID    uuid.UUID
	FirstName string
	LastName  string
	Date      time.Time
}

func Welcome(userId uuid.UUID, firstName string, lastName string) welcome {
	return welcome{
		UserID:    userId,
		FirstName: firstName,
		LastName:  lastName,
		Date:      time.Now().UTC().Local(),
	}
}

func (m welcome) TemplatePath() string {
	return "templates/web/welcome.tmpl"
}

func (m welcome) OnClickPath() string {
	return "/"
}

type verificationEmail struct {
	email            string
	Recipient        string
	VerificationCode string
	Date             string
	OperatingSystem  string
	Browser          string
	Location         string
}

type passwordResetEmail struct {
	email           string
	Recipient       string
	ResetLink       string
	Date            string
	OperatingSystem string
	Browser         string
	Location        string
}

func NewVerificationEmail(recipient, verificationCode, operatingSystem, browser string) verificationEmail {
	return verificationEmail{
		email:            recipient,
		Recipient:        getNameByEmail(recipient),
		VerificationCode: verificationCode,
		Date:             time.Now().Format("2006-01-02 15:04"),
		OperatingSystem:  operatingSystem,
		Browser:          browser,
	}
}

func NewPasswordResetEmail(recipient, passwordResetLink, operatingSystem, browser string) passwordResetEmail {
	return passwordResetEmail{
		email:           recipient,
		Recipient:       getNameByEmail(recipient),
		ResetLink:       passwordResetLink,
		Date:            time.Now().Format("2006-01-02 15:04"),
		OperatingSystem: operatingSystem,
		Browser:         browser,
	}
}

func (m verificationEmail) TemplatePath() string {
	return "templates/email/verification-code.tmpl"
}

func (m verificationEmail) OnClickPath() string {
	return ""
}

func (m passwordResetEmail) TemplatePath() string {
	return "templates/email/password-reset-token.tmpl"
}

func getNameByEmail(email string) string {
	user, err := database.GetUserByEmail(email)
	if err != nil {
		log.Debug().Err(err)
		return "Failed to retrieve user."
	}
	return user.Name
}