namespace etoy
{
    /// <summary>
    /// 客户端特殊定义脚本
    /// guide_引导 target 目标key
    /// </summary>
    class CSharpGuideTargetKeyGenerater : IGenerater
    {
        private const string TableName = "guideStep";
        private const string KeyName = "GuideTargetKey";

        public void Generate(Context context)
        {
            var tables = context.Blackboard.Tables;
            foreach (var table in tables)
            {
                if (table.Name.Equals(TableName, StringComparison.OrdinalIgnoreCase))
                {
                    GenGuideTargetKey(context, table);
                    break;
                }
            }
        }

        private void GenGuideTargetKey(Context context, Table table)
        {
            var filePath = $"{context.Option.ClientCodeOutput}/{KeyName}.cs";
            var hashTable = new List<string>();
            using var writer = new CodeWriter(filePath);
            writer.WriteLine("// Generate By EToy");
            writer.WriteLine("// Don't Edit It!!");
            writer.WriteLine();
            writer.Bracket("namespace XGame.Database");
            {
                writer.Summary($"生成引导UI对象Key");
                writer.Bracket($"public static class {KeyName}");
                {
                    for (int i = 0, rowCount = table.Rows.Count; i < rowCount; i++)
                    {
                        var row = table.Rows[i];
                        GetKeyProperty(row, out var key, out var value, out var summary);
                        if (string.IsNullOrEmpty(key))
                            continue;
                        if (hashTable.Contains(key))
                            continue;
                        writer.Summary(summary);
                        writer.WriteLine($"public readonly static string {key} = \"{value}\";");
                        hashTable.Add(key);
                    }
                    writer.EndBracket();
                }
                writer.EndBracket();
            }
        }

        private void GetKeyProperty(Row row, out string key, out string value, out string summary)
        {
            key = value = summary = string.Empty;
            foreach (var cell in row.Cells)
            {
                if ("target".Equals(cell.FieldInfo.FieldName, StringComparison.OrdinalIgnoreCase))
                {
                    key = cell.Value.ToTitleCase();
                    value = cell.Value;
                }
                else if ("id".Equals(cell.FieldInfo.FieldName, StringComparison.OrdinalIgnoreCase))
                {
                    summary = cell.Value;
                }
            }
        }
    }
}