package cn.autoform.web.service.formula.impl;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;

import com.alibaba.fastjson.TypeReference;

import cn.autoform.bean.form.CpnType;
import cn.autoform.db.entity.FormBaseEntity;
import cn.autoform.db.entity.form.FormCpnInfo;
import cn.autoform.util.tool.JSONTool;
import cn.autoform.web.formula.entity.FormulaParam;
import cn.autoform.web.formula.entity.FormulaParam.TriggerCondition;
import cn.autoform.web.formula.entity.FormulaResult;
import cn.autoform.web.formula.info.Form;
import cn.autoform.web.formula.info.FormCpn;
import cn.autoform.web.formula.info.FormulaInfo;
import cn.autoform.web.formula.info.impl.SimpleForm;
import cn.autoform.web.formula.info.impl.cpn.ChildCpn;
import cn.autoform.web.formula.info.impl.cpn.FormCpnFactory;
import cn.autoform.web.service.formbase.FormBaseService;
import cn.autoform.web.service.formula.FormulaService;

@Service
public class FormulaServiceImpl implements FormulaService {

	@Resource
	private FormBaseService formBaseService;
		
	@Override
	public FormulaResult execute(FormulaParam formulaParam) {
		System.err.println(JSONTool.toJson(formulaParam));
		FormBaseEntity formBaseEntity = formBaseService.getFormBaseInfo(formulaParam.getTenantID(), formulaParam.getFormID(),null);
		// 前端公式
		List<FormulaInfo> formulas		= JSONTool.toList(formBaseEntity.getLinkage(), FormulaInfo.class);
		
		/* 初始化创建表单数据 */
		Form form = new SimpleForm();
		/* 添加控件 */
		setCpn(formBaseEntity, form);
		/* 更新所有触发事件 */
		form.setAllFormulas(formulas);
		/* 添加数据 */
		form.setData(formulaParam.getData());
		/* 表单加载 */
		form.loading();
		/* 为表单添加变更信息 */
		setValue(form, formulaParam.getTriggers());
		/* 表单提交 */
		if(formulaParam.getFormCommit() != null && formulaParam.getFormCommit()){
			form.commit();
		}
		FormulaResult fr = new FormulaResult();
		fr.setData(form.getData());
		fr.setFormMsgs(form.getMsgs());
		fr.setCpnMsgs(form.getCpnMsgs());
		return fr;
	}

	/**
	 * 为表单赋值
	 * @param form
	 * @param trigList
	 */
	protected void setValue(Form form, List<TriggerCondition> trigList) {
		if(trigList == null || trigList.isEmpty())
			return;
		trigList.stream()
		.forEach(t->{
			FormCpn cpn = (FormCpn) form.get(t.getAlias());
			if(cpn.getCpnType() != CpnType.subform)
				cpn.put(FormCpn.CHILD_CPN_VAL, t.getValue());
			else
				cpn.put(FormCpn.CHILD_CPN_VAL, t.getValue(), t.getIndex());
		});
	}
	
	/**
	 * 添加控件
	 * @param formBaseEntity
	 * @param form
	 */
	protected void setCpn(FormBaseEntity formBaseEntity, Form form) {
		Map<Integer, FormCpn> cpns = new HashMap<>();
		// 控件信息
		Map<String, FormCpnInfo> fields = JSONTool.toObj(formBaseEntity.getFieldset(), new TypeReference<Map<String, FormCpnInfo>>(){});
		fields.entrySet().stream()
		.sorted((c1, c2)->c1.getValue().getParentsubFormNum() - c2.getValue().getParentsubFormNum())
		.forEach(en->{
			FormCpn cpn = FormCpnFactory.getFormCpn(en.getValue());
			cpns.put(en.getValue().getColumnOrderNum(), cpn);
			if(en.getValue().getParentsubFormNum() == null || en.getValue().getParentsubFormNum() == 0){
				form.addFormCpn(cpn);
				return;
			}
			((ChildCpn)cpns.get(en.getValue().getParentsubFormNum()))
				.put(FormCpn.CHILD_CPN, cpn);
		});
	}
	
}