package mutations

import (
	"context"

	"git.aiterp.net/rpdata/api/graphql/resolver/types"
	"git.aiterp.net/rpdata/api/internal/session"
	"git.aiterp.net/rpdata/api/model/change"
	"git.aiterp.net/rpdata/api/model/channel"
)

// RemoveChannelArgs is args for removeChannels mutation
type RemoveChannelArgs struct {
	Name string
}

// RemoveChannel resolves the editChannel mutation
func (r *MutationResolver) RemoveChannel(ctx context.Context, args RemoveChannelArgs) (*types.ChannelResolver, error) {
	user := session.FromContext(ctx).User()
	if user == nil || !user.Permitted("channel.remove") {
		return nil, ErrUnauthorized
	}

	channel, err := channel.FindName(args.Name)
	if err != nil {
		return nil, err
	}

	err = channel.Remove()
	if err != nil {
		return nil, err
	}

	go change.Submit("Channel", "remove", user.ID, channel.Name, nil)

	return &types.ChannelResolver{C: channel}, nil
}