using System.Collections;
using System.Text.RegularExpressions;
using Common;
using LitJson;
using Microsoft.CodeAnalysis.CSharp.Scripting;

//营业额日汇总统计
public class MakeSqlHelper
{
    public readonly static MakeSqlHelper Instance = new MakeSqlHelper();
    private MakeSqlHelper()
    { }

    public void Start(string QueueName)
    {
        RabbitMQClient.Instance.StartReceive(QueueName, content => DoWorks(content));
    }

    public void DoWorks(string content)
    {
        try
        {
            if(!string.IsNullOrEmpty(content))
            {
                DoQueue(content);
            }
        }
        catch (Exception ex)
        {
            Utils.WriteLog(DateTime.Now.ToString() + "\n" + ex, "生成SQL异常");
        }
    }

    public void DoQueue(string content)
    {
        JsonData jsonObj = JsonMapper.ToObject(content);
        string templateString = Function.ReadInstance("Template/Sql/db.sql");
        string resultString = StartMake(jsonObj, templateString);
    }

    public string StartMake(JsonData jsonObj, string templateString)
    {
        foreach(string key in jsonObj.Keys)
        {
            JsonData obj = jsonObj[key];
            if(obj.IsArray)
            {
                MatchCollection mc = Regex.Matches(templateString, "<<ym-loop:" + key + ".*?>>[\\s\\S]*?<</ym-loop:" + key + ">>");
                foreach(Match m in mc)
                {
                    string listString = "";
                    string matchValue = m.Value;
                    Match head = Regex.Match(matchValue, "<<ym-loop:" + key + ".*>>");
                    if(head.Success)
                    {
                        string headValue = head.Value;
                        string itemTemplate = matchValue.Replace(headValue, "").Replace("<</ym-loop:" + key + ">>", "");
                        foreach(JsonData item in obj)
                        {
                            string itemString = itemTemplate;
                            IDictionary<string, JsonData> itemData = item as IDictionary<string, JsonData>;
                            foreach(string itemKey in itemData.Keys)
                            {
                                JsonData itemObj = itemData[itemKey];
                                if(itemObj.IsArray || itemObj.IsObject)
                                {
                                    itemString = StartMake(itemObj, itemTemplate);
                                }
                                else
                                {
                                    itemString = itemString.Replace("<<" + itemKey + ">>", itemObj[itemKey].ToString());
                                }
                            }
                            listString += itemString;
                        }
                    }
                    templateString.Replace(matchValue, listString);
                }
            }
            else if(obj.IsObject)
            {
                MatchCollection mc = Regex.Matches(templateString, "<<ym-item:" + key + ".*?>>[\\s\\S]*?<</ym-item:" + key + ">>");
                foreach(Match m in mc)
                {
                    string listString = "";
                    string matchValue = m.Value;
                    Match head = Regex.Match(matchValue, "<<ym-item:" + key + ".*>>");
                    if(head.Success)
                    {
                        string headValue = head.Value;
                        string itemTemplate = matchValue.Replace(headValue, "").Replace("<</ym-item:" + key + ">>", "");
                        string itemString = itemTemplate;
                        IDictionary<string, JsonData> itemData = obj as IDictionary<string, JsonData>;
                        foreach(string itemKey in itemData.Keys)
                        {
                            JsonData itemObj = itemData[itemKey];
                            if(itemObj.IsArray || itemObj.IsObject)
                            {
                                itemString = StartMake(itemObj, itemTemplate);
                            }
                            else
                            {
                                itemString = itemString.Replace("<<" + itemKey + ">>", itemObj[itemKey].ToString());
                            }
                        }
                        listString += itemString;
                    }
                    templateString.Replace(matchValue, listString);
                }
            }
            else
            {
                templateString = templateString.Replace("<<ym:" + key + ">>", jsonObj[key].ToString());
            }
        }
        return templateString;
    }

    public async Task<string> PublicMakeAsync(string content)
    {
        MatchCollection mc = Regex.Matches(content, "<<ym-if:.*?>>.*?<</ym-if>>");
        foreach(Match m in mc)
        {
            string matchValue = m.Value;
            Match head = Regex.Match(matchValue, "<<ym-if:.*>>");
            if(head.Success)
            {
                string headValue = head.Value;
                string resultValue = matchValue.Replace(headValue, "").Replace("<</ym-if>>", "");
                string condition = headValue.Substring(8, headValue.Length - 10);
                condition = condition.Replace("isEmpty", "string.IsNullOrEmpty");
                bool result = await CSharpScript.EvaluateAsync<bool>(condition);
                content = content.Replace(matchValue, result ? resultValue : "");
            }
        }
        return content;
    }

}