using OF_DL.Models.Dtos.Common;
using OF_DL.Models.Dtos.Highlights;
using OF_DL.Models.Entities.Common;
using OF_DL.Models.Entities.Highlights;

namespace OF_DL.Models.Mappers;

public static class HighlightsMapper
{
    public static Highlights FromDto(HighlightsDto? dto)
    {
        Highlights mapped = new() { HasMore = dto?.HasMore ?? false };

        if (dto?.List == null)
        {
            return mapped;
        }

        foreach (ListItemDto entry in dto.List)
        {
            mapped.List.Add(MapListItem(entry));
        }

        return mapped;
    }

    public static HighlightMedia FromDto(HighlightMediaDto? dto)
    {
        HighlightMedia mapped = new();

        if (dto?.Stories == null)
        {
            return mapped;
        }

        foreach (StoryDto story in dto.Stories)
        {
            mapped.Stories.Add(MapStory(story));
        }

        return mapped;
    }

    private static ListItem MapListItem(ListItemDto dto) => new() { Id = dto.Id };

    private static Story MapStory(StoryDto dto) =>
        new() { Id = dto.Id, CreatedAt = dto.CreatedAt, Media = MapMedia(dto.Media) };

    private static List<Medium>? MapMedia(List<MediumDto>? media) =>
        media?.Select(MapMedium).ToList();

    private static Medium MapMedium(MediumDto dto) =>
        new()
        {
            Id = dto.Id,
            Type = dto.Type,
            CanView = dto.CanView,
            CreatedAt = dto.CreatedAt,
            Files = MapFiles(dto.Files)
        };

    private static Files? MapFiles(FilesDto? dto) => dto == null ? null : new Files { Full = MapFull(dto.Full) };

    private static Full? MapFull(FullDto? dto) =>
        dto == null ? null : new Full { Url = dto.Url };
}