using xCommons.Extensions;
using xDataService.Configuration;
using xDataService.Interfaces;
using xModels.Base;

namespace xDataService.GraphQL
{
    public abstract class XBaseGraphQLTypeHelper<TEntity, TKey> : IXBaseGraphQLTypeHelper<TEntity, TKey>
    where TEntity : XBaseEntity<TKey>
    {
        //
        private readonly XDataServiceConfiguration configuration;

        //
        protected XBaseGraphQLTypeHelper(
            XDataServiceConfiguration configuration = null
        )
        {
            this.configuration = configuration;
        }

        //
        public abstract string GetInQueryCollectionName();

        public abstract string GetInQuerySingleName();

        //
        public string GetFindOneName()
        {
            return $"find{GetInQuerySingleName().ToNormalString().Capitalize()}";
        }

        public string GetFindManyName()
        {
            return $"find{GetInQueryCollectionName().ToNormalString().Capitalize()}";
        }

        public string GetQueryName()
        {
            return $"query{GetInQueryCollectionName().ToNormalString().Capitalize()}";
        }

        public string GetCountName()
        {
            return $"count{GetInQueryCollectionName().ToNormalString().Capitalize()}";
        }

        public string GetExistsName()
        {
            return $"exists{GetInQuerySingleName().ToNormalString().Capitalize()}";
        }

        public string GetGraphQLPath(string baseGraphPath = null)
        {
            //
            baseGraphPath = baseGraphPath.IsNullOrEmpty() ?
                configuration.IsNull() || configuration.GraphQLBasePath.IsNullOrEmpty() ?
                "" :
                configuration.GraphQLBasePath :
                baseGraphPath;

            //
            var basePath = baseGraphPath
                .EndsWith("/") ?
                baseGraphPath
                .Substring(0, baseGraphPath.Length - 1) :
                baseGraphPath;

            //
            return $"{basePath}/{GetInQueryCollectionName().ToNormalString()}";
        }
    }
}