package api

import (
	"context"
	"errors"

	"connectrpc.com/connect"
	"github.com/aarondl/opt/omit"
	"github.com/mattn/go-sqlite3"
	"github.com/tigorlazuardi/bluemage/go/gen/models"
	"github.com/tigorlazuardi/bluemage/go/pkg/errs"
)

func (api *API) SubredditCreate(ctx context.Context, subreddit *models.Subreddit) (err error) {
	// TODO: add check to Reddit API to see if subreddit exists.

	api.lockf(func() {
		_, err = models.Subreddits.Insert(ctx, api.DB, &models.SubredditSetter{
			Name:             omit.From(subreddit.Name),
			DisableScheduler: omit.From(subreddit.DisableScheduler),
			Type:             omit.From(subreddit.Type),
			Schedule:         omit.From(subreddit.Schedule),
			Countback:        omit.From(subreddit.Countback),
		})
	})
	if err != nil {
		if sqlite3err := new(sqlite3.Error); errors.As(err, &sqlite3err) {
			if sqlite3err.Code == sqlite3.ErrConstraint {
				return errs.
					Wrapw(err, "subreddit already exists", "input", subreddit).
					Code(connect.CodeAlreadyExists)
			}
		}
		return errs.Wrap(err, "failed to insert subreddit")
	}

	return nil
}