package invite

import (
	"context"
	"fmt"
	"time"

	"tug/internal/storage"
)

type Issued struct {
	ID        string
	Label     string
	URL       string
	ExpiresAt time.Time
}

func (s *Service) CreateMany(ctx context.Context, createdBy string, labels, groupIDs []string, validFor time.Duration) ([]Issued, error) {
	input := storage.CreateInvitationsInput{GroupIDs: groupIDs, CreatedBy: createdBy, ValidFor: validFor, AdminGroup: s.cfg.AdminGroup}
	tokens := make([]string, 0, len(labels))
	for _, label := range labels {
		token, hash, err := newToken()
		if err != nil {
			return nil, err
		}
		tokens = append(tokens, token)
		input.Invitations = append(input.Invitations, storage.NewInvitation{TokenHash: hash, Label: label})
	}
	records, err := s.store.CreateInvitationsAudited(ctx, input)
	if err != nil {
		return nil, fmt.Errorf("invite: create invitations: %w", err)
	}
	issued := make([]Issued, 0, len(records))
	for i, r := range records {
		issued = append(issued, Issued{ID: r.ID, Label: r.Label, URL: s.url(tokens[i]), ExpiresAt: r.ExpiresAt})
	}
	return issued, nil
}