using Microsoft.EntityFrameworkCore;
using SVSim.Database.Enums;
using SVSim.Database.Models;
using SVSim.Database.Repositories.Card;
using SVSim.Database.Repositories.Globals;

namespace SVSim.Database.Repositories.Viewer;

public class ViewerRepository : IViewerRepository
{
    protected readonly SVSimDbContext _dbContext;

    private const int MaxFriends = 20;

    public ViewerRepository(SVSimDbContext dbContext)
    {
        _dbContext = dbContext;
    }

    public async Task<Models.Viewer?> GetViewerBySocialConnection(SocialAccountType accountType, ulong socialId)
    {
        return (await _dbContext.Set<SocialAccountConnection>()
                .AsNoTracking()
                .Include(sac => sac.Viewer)
                .FirstOrDefaultAsync(sac => sac.AccountType == accountType && sac.AccountId == socialId))
            ?.Viewer;
    }

    public async Task<Models.Viewer?> GetViewerWithSocials(long id)
    {
        return await _dbContext.Set<Models.Viewer>().AsNoTracking().Include(viewer => viewer.SocialAccountConnections)
            .FirstOrDefaultAsync(viewer => viewer.Id == id);
    }

    public async Task<Models.Viewer?> GetViewerByShortUdid(long shortUdid)
    {
        return await _dbContext.Set<Models.Viewer>().AsNoTracking().Include(viewer => viewer.MissionData)
            .Include(viewer => viewer.Info).FirstOrDefaultAsync(viewer => viewer.ShortUdid == shortUdid);
    }

    public async Task<Models.Viewer> RegisterViewer(string displayName, SocialAccountType socialType,
        ulong socialAccountIdentifier, ulong? shortUdid = null)
    {
        Models.Viewer viewer = new Models.Viewer
        {
            DisplayName = displayName
        };
        GameConfiguration gameConfig = await new GlobalsRepository(_dbContext).GetGameConfiguration("default");
        
        viewer.SocialAccountConnections.Add(new SocialAccountConnection
        {
            AccountId = socialAccountIdentifier,
            AccountType = socialType
        });

        viewer.Info.MaxFriends = gameConfig.MaxFriends;
        viewer.Info.CountryCode = "KOR";
        viewer.Info.BirthDate = DateTime.UtcNow;
        viewer.Currency.Crystals = gameConfig.DefaultCrystals;
        viewer.Currency.Rupees = gameConfig.DefaultRupees;
        viewer.Currency.RedEther = gameConfig.DefaultEther;
        viewer.MissionData.TutorialState = 100; // finishes tutorial for now

        List<ClassEntry> classes = await _dbContext.Set<ClassEntry>().ToListAsync();
        viewer.Classes = classes.Select(ce => new ViewerClassData
        {
            Class = ce,
            Exp = 0,
            Level = 0,
            LeaderSkin = ce.DefaultLeaderSkin
        }).ToList();

        viewer.Sleeves.Add(gameConfig.DefaultSleeve);
        viewer.Degrees.Add(gameConfig.DefaultDegree);
        viewer.Emblems.Add(gameConfig.DefaultEmblem);
        viewer.MyPageBackgrounds.Add(gameConfig.DefaultMyPageBackground);
        viewer.LeaderSkins.AddRange(viewer.Classes.Select(vcd => vcd.LeaderSkin));

        _dbContext.Set<Models.Viewer>().Add(viewer);
        await _dbContext.SaveChangesAsync();
        return viewer;
    }
}