package server

import (
	"fmt"
	"time"

	"github.com/haileyok/cocoon/internal/helpers"
	"github.com/haileyok/cocoon/models"
	"github.com/labstack/echo/v4"
)

func (s *Server) handleServerRequestAccountDelete(e echo.Context) error {
	urepo := e.Get("repo").(*models.RepoActor)

	token := fmt.Sprintf("%s-%s", helpers.RandomVarchar(5), helpers.RandomVarchar(5))
	expiresAt := time.Now().UTC().Add(15 * time.Minute)

	if err := s.db.Exec("UPDATE repos SET account_delete_code = ?, account_delete_code_expires_at = ? WHERE did = ?", nil, token, expiresAt, urepo.Repo.Did).Error; err != nil {
		s.logger.Error("error setting deletion token", "error", err)
		return helpers.ServerError(e, nil)
	}

	if urepo.Email != "" {
		if err := s.sendAccountDeleteEmail(urepo.Email, urepo.Actor.Handle, token); err != nil {
			s.logger.Error("error sending account deletion email", "error", err)
		}
	}

	return e.NoContent(200)
}

func (s *Server) sendAccountDeleteEmail(email, handle, token string) error {
	if s.mail == nil {
		return nil
	}

	s.mailLk.Lock()
	defer s.mailLk.Unlock()

	s.mail.To(email)
	s.mail.Subject("Account Deletion Request for " + s.config.Hostname)
	s.mail.Plain().Set(fmt.Sprintf("Hello %s. Your account deletion code is %s. This code will expire in fifteen minutes. If you did not request this, please ignore this email.", handle, token))

	if err := s.mail.Send(); err != nil {
		return err
	}

	return nil
}