package store

import (
	"fmt"
	"io"
	"io/ioutil"
	"net/mail"
)

type SpoolInterface interface {
	SpoolMessage([]Account, io.Reader) error
}

// FIXME: we don't actually spool for now, we just store it to each user's
// mailbox. This might lead to oddness in the partial delivery case.
func (c *concrete) SpoolMessage(recipients []Account, r io.Reader) error {
	message, err := mail.ReadMessage(r)
	if err != nil {
		return err
	}

	// FIXME: we can assign our own ID in this case
	mid := message.Header.Get("Message-ID")
	if mid == "" {
		return fmt.Errorf("No Message-ID for this email")
	}

	body, err := ioutil.ReadAll(message.Body)
	if err != nil {
		return err
	}

	for _, recipient := range recipients {
		message := Message{
			ID:       mid,
			Username: recipient.Username,
			Mailbox:  "INBOX", // FIXME: at some point this will be changeable
			Header:   message.Header,
			Body:     body,
		}

		if err := c.CreateMessage(message); err != nil {
			return err
		}
	}

	return nil
}