package types

import (
	"context"
	"errors"
	"git.aiterp.net/rpdata/api/services"

	"git.aiterp.net/rpdata/api/internal/loader"
	"git.aiterp.net/rpdata/api/models"
)

type logResolver struct {
	logs       *services.LogService
	characters *services.CharacterService
}

func (r *logResolver) Channel(ctx context.Context, log *models.Log) (*models.Channel, error) {
	loader := loader.FromContext(ctx)
	if loader == nil {
		return nil, errors.New("no loader")
	}

	return loader.Channel("name", log.ChannelName)
}

func (r *logResolver) Characters(ctx context.Context, log *models.Log) ([]*models.Character, error) {
	if len(log.CharacterIDs) == 0 {
		return []*models.Character{}, nil
	}

	return r.characters.List(ctx, models.CharacterFilter{
		IDs: log.CharacterIDs,
	})
}

func (r *logResolver) Posts(ctx context.Context, log *models.Log, kinds []string) ([]*models.Post, error) {
	return r.logs.ListPosts(ctx, &models.PostFilter{LogID: &log.ShortID})
}

// LogResolver is a resolver
func LogResolver(s *services.Bundle) *logResolver {
	return &logResolver{characters: s.Characters, logs: s.Logs}
}