using Server.System;
using Newtonsoft.Json;
using Server.SQL;

namespace Server.Service
{
    public class UpdateStory : AbstractService
    {
        private UpdateStoryReq req;

        private void SaveSQL()
        {
            Statics.storyProgressSQL.SaveChanges();
        }

        public override string Process()
        {
            User user = Statics.userSQL.SelectUuid(req.uuid);
            List<StoryProgress> storyProgress = Statics.storyProgressSQL.SelectUid(user.id);
            StoryProgress story = storyProgress.Find(n => n.story_data_id == req.story_id);
            int chapter = 1;


            //정상적인 진행인지 확인
            if (req.chapter_id != 1 && (story == null || story.chapter_data_id + 1 < req.chapter_id))
            {
                throw new RuntimeException("over chapter id", Error.ErrorData);
            }

            if (req.is_clear)
            {
                if(story == null || story.chapter_data_id < req.chapter_id)
                {
                    if (req.chapter_id == 1)
                    {
                        story = new StoryProgress();
                        story.user_id = user.id;
                        story.story_data_id = req.story_id;
                        story.chapter_data_id = req.chapter_id;
                        Statics.storyProgressSQL.Insert(story);
                    }
                    else
                    {
                        story.chapter_data_id++;
                        chapter = story.chapter_data_id;
                        Statics.storyProgressSQL.Update(story);
                    }
                    //보상 지급 추가할것.
                }
                //클리어 성공 로그용, 기본보상 지급할것
            }
            else
            {
                //클리어 실패 로그용
            }
            SaveSQL();
            return makeResp(chapter);
        }

        public override Protocol ProtocolValue() => Protocol.UpdateStory;
        
        public override Req Requst(string json)
        {
            req = JsonConvert.DeserializeObject<UpdateStoryReq>(json);
            return req;
        }

        private string makeResp(int chapter)
        {
            UpdateStoryResp resp = new UpdateStoryResp();
            resp.status = 200;
            resp.chapter = chapter;
            return resp.ToJson();
        }


    }

    public class UpdateStoryReq : Req
    {
        public int story_id;
        public int chapter_id;
        public bool is_clear;
        public override bool IsReceivedAllField()
        {
            if(uuid == string.Empty || story_id == 0 || chapter_id == 0)
                return false;
            return true;
        }
    }

    public class UpdateStoryResp : Resp
    {
        public int chapter;
    }
}