using Masuit.LuceneEFCore.SearchEngine;
using Masuit.LuceneEFCore.SearchEngine.Extensions;
using Masuit.LuceneEFCore.SearchEngine.Interfaces;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;

namespace Test
{
    class Program
    {
        static ServiceProvider provide = null;

        static void Main(string[] args)
        {
            Ini();

            var _searchEngine = provide.GetService<ISearchEngine<DataContext>>();

            // search
            {
                var options = new SearchOptions("思杰", 1, 10, typeof(Post));
                var result = _searchEngine.ScoredSearch<Post>(options);
            }

            // create index
            {
                _searchEngine.CreateIndex(); // create full
                _searchEngine.CreateIndex(new List<string> { nameof(Post) });
            }

            // add index
            {
                _searchEngine.Context.Post.Add(new Post { });
                _searchEngine.SaveChanges();
            }

            // delete index
            {
                //从数据库删除并更新索引库
                Post p = _searchEngine.Context.Post.Find(1);
                _searchEngine.Context.Post.Remove(p);
                _searchEngine.SaveChanges();
            }

            // update index
            { 
                //从数据库删除并更新索引库
                Post p = _searchEngine.Context.Post.Find(1);
                _searchEngine.Context.Post.Update(p);
                _searchEngine.SaveChanges();
            }

            Console.WriteLine("Hello World!");
        }

        static void Ini() 
        {
            RegService();

            var context = provide.GetService<DataContext>();
            var searchEngine = provide.GetService<ISearchEngine<DataContext>>();

            // 写入测试数据
            context.Post.AddRange(
                JsonConvert.DeserializeObject<List<Post>>(
                    File.ReadAllText(AppContext.BaseDirectory + "Posts.json")));

            context.SaveChanges();
            // 创建索引
            searchEngine.CreateIndex(new List<string>()
            {
                nameof(Post)
            });
        }

        static void RegService()
        {
            IServiceCollection services = new ServiceCollection();
            LuceneIndexerOptions luceneIndexerOptions = new LuceneIndexerOptions()
            {
                Path = "lucene"
            };
            services.AddDbContext<DataContext>(db => db.UseInMemoryDatabase("test"));
            services.AddSearchEngine<DataContext>(luceneIndexerOptions);

            provide = services.BuildServiceProvider();
        }
    }

}