package contactlinks

import (
	"context"

	"github.com/google/uuid"
)

type Service struct {
	repo Repository
}

func NewService(repo Repository) *Service {
	return &Service{repo: repo}
}

func (s *Service) List(ctx context.Context, activeOnly bool) ([]*ContactLink, error) {
	return s.repo.List(ctx, activeOnly)
}

func (s *Service) Get(ctx context.Context, id uuid.UUID) (*ContactLink, error) {
	return s.repo.FindByID(ctx, id)
}

func (s *Service) Create(ctx context.Context, label, url, iconKey string, iconMediaID *uuid.UUID, color string, position int, isActive bool) (*ContactLink, error) {
	link := &ContactLink{
		ID:          uuid.New(),
		Label:       label,
		URL:         url,
		IconKey:     iconKey,
		IconMediaID: iconMediaID,
		Color:       color,
		Position:    position,
		IsActive:    isActive,
	}
	if err := s.repo.Create(ctx, link); err != nil {
		return nil, err
	}
	return link, nil
}

func (s *Service) Update(ctx context.Context, id uuid.UUID, label, url, iconKey string, iconMediaID *uuid.UUID, color string, position int, isActive bool) (*ContactLink, error) {
	link, err := s.repo.FindByID(ctx, id)
	if err != nil {
		return nil, err
	}
	link.Label = label
	link.URL = url
	link.IconKey = iconKey
	link.IconMediaID = iconMediaID
	link.Color = color
	link.Position = position
	link.IsActive = isActive
	if err := s.repo.Update(ctx, link); err != nil {
		return nil, err
	}
	return link, nil
}

func (s *Service) Delete(ctx context.Context, id uuid.UUID) error {
	return s.repo.Delete(ctx, id)
}

// UpdatePosition lets the admin reorder the displayed list without
// resending the full contact link payload.
func (s *Service) UpdatePosition(ctx context.Context, id uuid.UUID, position int) (*ContactLink, error) {
	link, err := s.repo.FindByID(ctx, id)
	if err != nil {
		return nil, err
	}
	link.Position = position
	if err := s.repo.Update(ctx, link); err != nil {
		return nil, err
	}
	return link, nil
}