# -*- coding: utf-8 -*-
"""加载卡顿优化:①计算引擎加公式指纹(PRAGMA user_version 比对,一致跳过重建)
②EnsureFormulaTriggersQuiet 改后台+指纹跳过 ③三表 Reload 加 Stopwatch 耗时日志。幂等。"""
import io

ROOT = r"C:\Users\099978\Documents\SharpDevelop Projects\成套报价软件\成套报价软件"
n = 0

def edit(path, pairs, tag):
    global n
    s = io.open(path, encoding="utf-8-sig").read()
    for old, new in pairs:
        if old not in s:
            if new in s:
                print(tag, "已有(跳过)")
                continue
            raise AssertionError(tag + " 锚点缺失: " + old[:70])
        s = s.replace(old, new, 1)
        n += 1
    io.open(path, "w", encoding="utf-8-sig").write(s)
    print(tag, "ok")

# 1) 计算引擎:公式指纹
edit(ROOT + r"\计算引擎.cs", [
    ('''		/// <summary>加载某层级启用中的公式(按排序)。加载失败(表缺/异常)回退默认公式。</summary>''',
     '''		/// <summary>公式表内容指纹(全部公式行串联的稳定 hash)。用于判断触发器是否需要重建。</summary>
		public static int 公式指纹(System.Data.SQLite.SQLiteConnection fakConn)
		{
			try
			{
				var sb = new StringBuilder();
				using (var cmd = new System.Data.SQLite.SQLiteCommand(
					"SELECT 层级,目标列,表达式,排序,启用 FROM \\"" + 公式表名 + "\\" ORDER BY 排序;", fakConn))
				using (var r = cmd.ExecuteReader())
					while (r.Read())
						sb.Append(r.GetValue(0)).Append('|').Append(r.GetValue(1)).Append('|')
						  .Append(r.GetValue(2)).Append('|').Append(r.GetValue(3)).Append('|')
						  .Append(r.GetValue(4)).Append(';');
				return sb.ToString().GetHashCode();
			}
			catch { return 0; }
		}

		/// <summary>读取项目库 user_version(存的是上次重建时的公式指纹)。</summary>
		public static int 读触发器版本(System.Data.SQLite.SQLiteConnection conn)
		{
			using (var cmd = new System.Data.SQLite.SQLiteCommand("PRAGMA user_version;", conn))
				return Convert.ToInt32(cmd.ExecuteScalar());
		}

		/// <summary>写入项目库 user_version。</summary>
		public static void 写触发器版本(System.Data.SQLite.SQLiteConnection conn, int 版本)
		{
			using (var cmd = new System.Data.SQLite.SQLiteCommand("PRAGMA user_version=" + 版本 + ";", conn))
				cmd.ExecuteNonQuery();
		}

		/// <summary>加载某层级启用中的公式(按排序)。加载失败(表缺/异常)回退默认公式。</summary>'''),
], "计算引擎.cs")

# 2) 编辑直写库.cs:指纹跳过+后台化
edit(ROOT + r"\编辑直写库.cs", [
    ('''		/// <summary>进项目/建表/撤销删除后:按公式表重建项目库全部触发器(幂等,安静模式只记日志)。</summary>
		private void EnsureFormulaTriggersQuiet(string projectId)
		{
			try
			{
				if (string.IsNullOrWhiteSpace(projectId)) return;
				string dbPath = GetQuoteDbPath(projectId);
				if (!System.IO.File.Exists(dbPath)) return;
				string fak = GetDbFullPath(@"sjk\\fak.db");
				using (var conn = new System.Data.SQLite.SQLiteConnection(GetConnStringStatic(dbPath)))
				using (var fakConn = new System.Data.SQLite.SQLiteConnection(GetConnStringStatic(fak)))
				{
					conn.Open();
					fakConn.Open();
					计算引擎.EnsureFormulaTable(fakConn);
					计算引擎.重建项目全部触发器(conn, null, TuhaoTableName, fakConn);
				}
				Log("[公式触发器] 已按公式表重建 [" + projectId + "] 全部触发器");
			}
			catch (Exception ex) { Log("[公式触发器] 重建失败(不影响编辑,但派生列不会自动算): " + ex.Message); }
		}''',
     '''		/// <summary>进项目/建表/撤销删除后:按公式表重建项目库全部触发器。
		/// ★ 性能:公式指纹与项目库 user_version 一致时直接跳过(毫秒级);需要重建时放后台线程不卡 UI。</summary>
		private void EnsureFormulaTriggersQuiet(string projectId)
		{
			System.Threading.Tasks.Task.Run(delegate { EnsureFormulaTriggersCore(projectId); });
		}

		private void EnsureFormulaTriggersCore(string projectId)
		{
			try
			{
				if (string.IsNullOrWhiteSpace(projectId)) return;
				string dbPath = GetQuoteDbPath(projectId);
				if (!System.IO.File.Exists(dbPath)) return;
				string fak = GetDbFullPath(@"sjk\\fak.db");
				var sw = System.Diagnostics.Stopwatch.StartNew();
				using (var conn = new System.Data.SQLite.SQLiteConnection(GetConnStringStatic(dbPath)))
				using (var fakConn = new System.Data.SQLite.SQLiteConnection(GetConnStringStatic(fak)))
				{
					conn.Open();
					fakConn.Open();
					计算引擎.EnsureFormulaTable(fakConn);
					int 指纹 = 计算引擎.公式指纹(fakConn);
					int 已存 = 计算引擎.读触发器版本(conn);
					if (指纹 != 0 && 指纹 == 已存)
					{
						Log("[公式触发器] 公式未变化,跳过重建 (" + projectId + ")");
						return;
					}
					计算引擎.重建项目全部触发器(conn, null, TuhaoTableName, fakConn);
					计算引擎.写触发器版本(conn, 指纹);
				}
				sw.Stop();
				Log("[公式触发器] 已按公式表重建 [" + projectId + "] 全部触发器, 耗时 " + sw.ElapsedMilliseconds + "ms");
			}
			catch (Exception ex) { Log("[公式触发器] 重建失败(不影响编辑,但派生列不会自动算): " + ex.Message); }
		}'''),
], "编辑直写库.cs")

# 3) 三表 Reload 耗时日志
p3 = ROOT + r"\主窗口.cs"
edit(p3, [
    ('''                _tuhaoTable = table;  // 记下当前表引用,供关闭/切换时回写
                this.advancedDataGridView9.RowCount = table.Rows.Count;
                this.advancedDataGridView9.Invalidate();''',
     '''                _tuhaoTable = table;  // 记下当前表引用,供关闭/切换时回写
                this.advancedDataGridView9.RowCount = table.Rows.Count;
                this.advancedDataGridView9.Invalidate();
                Log("[性能] ReloadTuhaoByProject 耗时 " + _swReload.ElapsedMilliseconds + "ms (含取缓存/查库/转换)");'''),
    ('''                _xianghaoTable = table;  // 记下当前表引用,供切换/关闭时回写
                this.advancedDataGridView4.RowCount = table.Rows.Count;
                this.advancedDataGridView4.Invalidate();''',
     '''                _xianghaoTable = table;  // 记下当前表引用,供切换/关闭时回写
                this.advancedDataGridView4.RowCount = table.Rows.Count;
                this.advancedDataGridView4.Invalidate();
                Log("[性能] ReloadXianghao 耗时 " + _swReload.ElapsedMilliseconds + "ms (含取缓存/查库/转换)");'''),
], "主窗口.cs")

print("合计", n, "处")