using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Wabbajack.Downloaders.Interfaces;
using Wabbajack.DTOs;
using Wabbajack.DTOs.DownloadStates;
using Wabbajack.DTOs.Validation;
using Wabbajack.Hashing.xxHash64;
using Wabbajack.Paths;
using Wabbajack.RateLimiter;

namespace Wabbajack.App.Services
{
    public class ManualDownloader : ADownloader<Manual>
    {
        public override Task<Hash> Download(Archive archive, Manual state, AbsolutePath destination, IJob job, CancellationToken token)
        {
            throw new System.NotImplementedException();
        }

        public override Task<bool> Prepare()
        {
            return Task.FromResult(true);
        }

        public override bool IsAllowed(ServerAllowList allowList, IDownloadState state)
        {
            var manual = (Manual)state;
            return allowList.AllowedPrefixes.Any(p => manual.Url.ToString().StartsWith(p));
        }

        public override IDownloadState? Resolve(IReadOnlyDictionary<string, string> iniData)
        {
            if (iniData.TryGetValue("manualURL", out var manual))
            {
                return new Manual { Url = new Uri(manual) };
            }
            return null;
        }

        public override Priority Priority { get; }
        public override Task<bool> Verify(Archive archive, Manual archiveState, IJob job, CancellationToken token)
        {
            return Task.FromResult(true);
        }

        public override IEnumerable<string> MetaIni(Archive a, Manual state)
        {
            return new[] { $"manualURL={state.Url}" };
        }
    }
}