using System.Collections.Generic;
using Sony.ChartBot.Entities;
using Sony.ChartBot.Entities.MessengerApi;
using Sony.ChartBot.Entities.Storage;

namespace Sony.ChartBot.Messages.MessageBuilders
{
    public class SubscriptionNoChartPositionMessageBuilder : IMessageBuilder<ChartTrackModel>
    {
        public ResponseType ResponseType => ResponseType.NoChartPositionsFound;

        public IEnumerable<MessageToSend> BuildMessages(ChartTrackModel data)
        {
            var buttons = new List<Button>
            {
                new Button
                {
                    title = "Next artist",
                    type = "postback",
                    payload = "next"
                },
                new Button
                {
                    title = "Unsubscribe",
                    type = "postback",
                    payload = $"unsubscribe-{data.TrackReference}"
                }
            };

            var element = new Element
            {
                title = $"{data.TrackName} by {data.ArtistName}",
                subtitle = $"{data.Country.Emoji} No current positions",
                image_url = data.TrackArtworkUrl ?? data.ArtistArtworkUrl,
                buttons = buttons
            };

            return new[]
            {
                new MessageToSend
                {
                    attachment = new Attachment
                    {
                        type = "template",
                        payload = new Payload
                        {
                            template_type = "generic",
                            elements = new[] {element}
                        }
                    }
                }
            };
        }
    }
}