using EasyTemplate.Tool.Entity.App;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection.PortableExecutable;
using System.Text;
using System.Threading.Tasks;
using EasyTemplate.Tool.Entity.App;
using EasyTemplate.Tool;
using EasyTemplate.Tool.Entity;

namespace EasyTemplate.Service
{
    public class NozzleService
    {
        private readonly SqlSugarRepository<TEngine> _engine;
        private readonly SqlSugarRepository<TBoard> _board;
        private readonly SqlSugarRepository<TNozzle> _nozzle;
        private readonly SqlSugarRepository<TRecord> _record;
        private readonly SqlSugarRepository<TPrewarning> _prewarning;


        public NozzleService(SqlSugarRepository<TEngine> engine, SqlSugarRepository<TBoard> board, SqlSugarRepository<TNozzle> nozzle, 
            SqlSugarRepository<TRecord> record, SqlSugarRepository<TPrewarning> prewarning)
        {
            _engine = engine;
            _board = board;
            _nozzle = nozzle;
            _record = record;
            _prewarning = prewarning;
        }

        // Engine操作
        public async Task<List<TEngine>> GetEnginesAsync()
        {
            return await _engine.AsQueryable().ToListAsync();
        }

        public async Task<TEngine> GetEngineByIdAsync(int id)
        {
            return await _engine.AsQueryable()
                .Where(m => m.EngineId == id)
                .FirstAsync();
        }

        public async Task<bool> CreateEngineAsync(TEngine engine)
        {
            return await _engine.InsertAsync(engine);
        }

        public async Task<bool> UpdateEngineAsync(TEngine engine)
        {
            return await _engine.UpdateAsync(engine) == true;
        }

        public async Task<bool> DeleteEngineAsync(int id)
        {
            return await _engine.DeleteByIdAsync(id) == true;
        }

        // Board操作
        public async Task<List<TBoard>> GetBoardsAsync()
        {
            return await _board.AsQueryable().OrderBy(b => b.EngineId).ToListAsync();
        }

        public async Task<List<TBoard>> GetboardsByEngineAsync(int engineId)
        {
            return await _board.AsQueryable()
                .Where(m => m.EngineId == engineId)
                .ToListAsync();
        }

        public async Task<TBoard> GetBoardByIdAsync(int id)
        {
            return await _board.AsQueryable()
                .Where(m => m.BoardId == id)
                .FirstAsync();
        }

        public async Task<bool> CreateBoardAsync(TBoard board)
        {
            return await _board.InsertAsync(board);
        }

        public async Task<bool> UpdateBoardAsync(TBoard board)
        {
            return await _board.UpdateAsync(board) == true;
        }

        public async Task<bool> DeleteBoardAsync(int id)
        {
            return await _board.DeleteByIdAsync(id) == true;
        }

        // Nozzle操作
        public async Task<List<TNozzle>> GetNozzlesAsync()
        {
            return await _nozzle.AsQueryable().ToListAsync();
        }

        public async Task<List<TNozzle>> GetNozzlesByBoardAsync(int boardId)
        {
            return await _nozzle.AsQueryable()
                .Where(n => n.BoardId == boardId)
                .ToListAsync();
        }

        public async Task<TNozzle> GetNozzleByIdAsync(int id)
        {
            return await _nozzle.AsQueryable()
                .Where(n => n.NozzleId == id)
                .FirstAsync();
        }

        public async Task<bool> CreateNozzleAsync(TNozzle nozzle)
        {
            return await _nozzle.InsertAsync(nozzle);
        }

        public async Task<bool> UpdateNozzleAsync(TNozzle nozzle)
        {
            return await _nozzle.UpdateAsync(nozzle) == true;
        }

        public async Task<bool> DeleteNozzleAsync(int id)
        {
            return await _nozzle.DeleteByIdAsync(id) == true;
        }

        // 获取完整数据结构
        public async Task<List<TEngine>> GetEnginesWithDetailsAsync()
        {
            var engines = await _engine.AsQueryable().ToListAsync();
            var boards = await _board.AsQueryable().ToListAsync();
            var nozzles = await _nozzle.AsQueryable().ToListAsync();
            

            foreach (var engine in engines)
            {
                engine.boards = boards
                    .Where(m => m.EngineId == engine.EngineId)
                    .ToList();

                foreach (var board in engine.boards)
                {
                    board.nozzles = nozzles
                        .Where(n => n.BoardId == board.BoardId)
                        .ToList();
                }
            }

            return engines;
        }
        
        // ===== TRecord 操作 =====
        
        /// <summary>
        /// 插入交易记录，并自动处理预警告数据
        /// </summary>
        public async Task<bool> CreateRecordAsync(TRecord record)
        {
            try
            {
                // 插入记录
                var result = await _record.InsertAsync(record);
                
                if (result)
                {
                    // 自动处理预警告数据
                    await ProcessPrewarningAsync(record);
                }
                
                return result;
            }
            catch (Exception ex)
            {
                Console.WriteLine($"插入交易记录失败：{ex.Message}");
                return false;
            }
        }
        
        /// <summary>
        /// 根据条件查询交易记录
        /// </summary>
        public async Task<List<TRecord>> GetRecordsByDateAndNozzleAsync(DateTime beginDate, DateTime endDate, int nozzleId)
        {
            return await _record.AsQueryable()
                .Where(r => r.tmBegin >= beginDate && r.tmEnd <= endDate && r.noz == nozzleId)
                .ToListAsync();
        }
        
        /// <summary>
        /// 获取所有交易记录
        /// </summary>
        public async Task<List<TRecord>> GetAllRecordsAsync()
        {
            return await _record.AsQueryable().ToListAsync();
        }
        
        // ===== TPrewarning 操作 =====
        
        /// <summary>
        /// 插入预警告记录
        /// </summary>
        public async Task<bool> CreatePrewarningAsync(TPrewarning prewarning)
        {
            return await _prewarning.InsertAsync(prewarning);
        }
        
        /// <summary>
        /// 更新预警告记录
        /// </summary>
        public async Task<bool> UpdatePrewarningAsync(TPrewarning prewarning)
        {
            return await _prewarning.UpdateAsync(prewarning) == true;
        }
        
        /// <summary>
        /// 根据日期和油枪查询预警告记录
        /// </summary>
        public async Task<TPrewarning> GetPrewarningByDateAndNozzleAsync(DateOnly date, int nozzleId)
        {
            return await _prewarning.AsQueryable()
                .Where(p => p.date == date && p.nozzle == nozzleId)
                .FirstAsync();
        }
        
        /// <summary>
        /// 获取所有预警告记录
        /// </summary>
        public async Task<List<TPrewarning>> GetAllPrewarningsAsync()
        {
            return await _prewarning.AsQueryable().ToListAsync();
        }
        
        // ===== 私有辅助方法 =====
        
        /// <summary>
        /// 处理预警告数据的自动插入或更新逻辑（仿 SQL 触发器逻辑）
        /// </summary>
        private async Task ProcessPrewarningAsync(TRecord record)
        {
            // 检查是否是有效交易（液体体积 >= 1500）
            bool isValidTransaction = record.liquidVl >= 1500;
            if (!isValidTransaction)
            {
                return;
            }

            try
            {
                // 从 tmEnd 提取日期
                var date = DateOnly.FromDateTime(record.tmEnd);
                var nozzleId = record.noz;
                
                
                // 查询是否已存在当天的记录
                var existingPrewarning = await GetPrewarningByDateAndNozzleAsync(date, nozzleId);
                
                if (existingPrewarning == null)
                {
                    // 不存在则插入新记录（对应 trigger 的 insert or ignore）
                    var newPrewarning = new TPrewarning
                    {
                        date = date,
                        nozzle = nozzleId,
                        total = 1,
                        overproof = record.overproof,
                        overproof_alert = record.overproof_alert,
                        overproofrate =  (record.overproof > 0) ? 100 : 0,
                        overproofrate_alert = (record.overproof_alert > 0) ? 100 : 0,
                        overproof_2 = record.overproof_2,
                        overproofrate_2 = (record.overproof_2 > 0) ? 100 : 0,
                        continueoverproof = record.overproof
                    };
                    
                    await CreatePrewarningAsync(newPrewarning);
                    Console.WriteLine($"[预警告] 创建新记录 - 油枪{nozzleId}, 日期:{date}, 液量:{record.liquidVl}, 有效:{isValidTransaction}");
                }
                else
                {
                    // 存在则更新现有记录（对应 trigger 的 update 逻辑）
                    
                    existingPrewarning.total += 1;
                    
                    // 2. overproof: 直接累加
                    existingPrewarning.overproof += record.overproof;
                    
                    // 3. overproofrate
                    if (existingPrewarning.total > 0)
                    {
                        existingPrewarning.overproofrate = (100 * existingPrewarning.overproof) / existingPrewarning.total;
                    }
                    
                    // 4. overproof_alert: 直接累加
                    existingPrewarning.overproof_alert += record.overproof_alert;
                    
                    // 5. overproofrate_alert
                    if (existingPrewarning.total > 0)
                    {
                        existingPrewarning.overproofrate_alert = (100 * existingPrewarning.overproof_alert) / existingPrewarning.total;
                    }
                    
                    // 6. overproof_2: 直接累加
                    existingPrewarning.overproof_2 += record.overproof_2;
                    
                    // 7. overproofrate_2
                    if (existingPrewarning.total > 0)
                    {
                        existingPrewarning.overproofrate_2 = (100 * existingPrewarning.overproof_2) / existingPrewarning.total;
                    }
                    
                    // 8. continueoverproof: 连续超标次数，累加当前超标值
                    existingPrewarning.continueoverproof += record.overproof;
                    
                    await UpdatePrewarningAsync(existingPrewarning);
                    Console.WriteLine($"[预警告] 更新记录 - 油枪{nozzleId}, 日期:{date}, 液量:{record.liquidVl}, 有效:{isValidTransaction}, 总数:{existingPrewarning.total}");
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine($"处理预警告数据失败：{ex.Message}");
                // 不抛出异常，避免影响主流程
            }
        }
    }
}