using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Reflection.Metadata.Ecma335;
using System.Text.Json.Serialization;
using isnd.Data.Packages;
using isnd.Entities;

namespace isnd.ViewModels
{
    public class PackageSearchResult
    {

        public IEnumerable<Package> GetResults()
        {
            return result;
        }

        private IEnumerable<Package> result;

        [JsonIgnore]
        public string ApiBase{get; private set;}

        public PackageSearchResult(IEnumerable<Package> result, string apiBase, int totalHit)
        {
            this.result = result;
            this.ApiBase = apiBase;
            data=result.Select(r => NewPackageHit(apiBase, r)).ToArray();
            this.totalHits = totalHit;
        }

        private static PackageHit NewPackageHit(string apiBase, Package package)
        {
            string regId = $"{apiBase}{ApiConfig.Registration}/{package.Id}/index.json";
            return new PackageHit(regId, package.Id)
            {
                version = package.GetLatestVersion(),
                description = package.Description,
                title = package.Id,
                versions = package.Versions.Select(v => new SearchVersionInfo(regId, v)).ToArray()
            };
        }

        public PackageHit[] data { get; protected set; }

        public int totalHits { get; set; }
    }
}