package el;

import ldh.common.testui.assist.template.beetl.BeetlFactory;
import ldh.common.testui.assist.template.freemarker.FreeMarkerFactory;
import ldh.common.testui.assist.template.freemarker.function.LangUtil;
import ldh.common.testui.demo.Student;
import ldh.common.testui.util.DateUtil;
import ldh.common.testui.util.JsonUtil;
import org.junit.Test;
import org.springframework.expression.EvaluationContext;
import org.springframework.expression.Expression;
import org.springframework.expression.ExpressionParser;
import org.springframework.expression.spel.standard.SpelExpressionParser;
import org.springframework.expression.spel.support.StandardEvaluationContext;

import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.util.*;

/**
 * Created by ldh on 2018年4月10日.
 */
public class BeetlTest2 {

 @Test
 public void replace() throws Exception {
 String json = "{\n" +
 " \"borrowUserId\": 1283972,\n" +
 " \"borrowerRealName\": \"阿斯顿发\",\n" +
 " \"borrowerFullPhone\": \"13439054927\",\n" +
 " \"borrowerFullIdCard\": \"131024198910160057\",\n" +
 " \"productId\": \"BL-TCXF\",\n" +
 " \"assetId\": 1,\n" +
 " \"transactionId\": \"${transactionId}\",\n" +
 " \"name\": \"${name}\",\n" +
 " \"amount\": ${amount},\n" +
 " \"maturity\": ${period} ,\n" +
 " \"userRate\": ${rate},\n" +
 " \"projectExtra\": {\n" +
 " \"firstPayDate\": \"${Random.formatNow('yyyy-MM-dd', 30)}\",\n" +
 " \"payGoodsFeeDate\": \"2017-05-15\",\n" +
 " \"transfer\": \"Not_Transfer\",\n" +
 " \"merchantRate\": 0.001,\n" +
 " \"merchantType\": \"None\"\n" +
 " }\n" +
 "}";

// Configuration cfg = new Configuration(Configuration.VERSION_2_3_0);
// StringTemplateLoader stringLoader = new StringTemplateLoader();
// cfg.setTemplateLoader(stringLoader);
//
// stringLoader.putTemplate("myTemplate",json);
// Template template = cfg.getTemplate("myTemplate","utf-8");
 Map root = new HashMap();
 root.put("transactionId", "javaboy2012");
 root.put("name", 1231313);
 root.put("period", 6);
 root.put("rate", 0.75);
 root.put("amount", 1000);

// String result = FreeMarkerFactory.getInstance().process(json, root);
// System.out.println(result);
 String result2 = BeetlFactory.getInstance().process(json, root);
 System.out.println(result2);
 }

 @Test
 public void replace2() throws Exception {
 String json = "{\n" +
 " \"borrowUserId\": 1283972,\n" +
 " \"borrowerRealName\": \"阿斯顿发\",\n" +
 " \"borrowerFullPhone\": \"13439054927\",\n" +
 " \"borrowerFullIdCard\": \"131024198910160057\",\n" +
 " \"productId\": \"BL-TCXF\",\n" +
 " \"assetId\": 1,\n" +
 " \"transactionId\": \"#transactionId\",\n" +
 " \"name\": \"#name\",\n" +
 " \"amount\": #amount,\n" +
 " \"maturity\": #period ,\n" +
 " \"userRate\": #rate,\n" +
 " \"projectExtra\": {\n" +
// " \"firstPayDate\": \"${Random.formatNow('yyyy-MM-dd', 30)}\",\n" +
 " \"payGoodsFeeDate\": \"2017-05-15\",\n" +
 " \"transfer\": \"Not_Transfer\",\n" +
 " \"merchantRate\": 0.001,\n" +
 " \"merchantType\": \"None\"\n" +
 " }\n" +
 "}";

// Configuration cfg = new Configuration(Configuration.VERSION_2_3_0);
// StringTemplateLoader stringLoader = new StringTemplateLoader();
// cfg.setTemplateLoader(stringLoader);
//
// stringLoader.putTemplate("myTemplate",json);
// Template template = cfg.getTemplate("myTemplate","utf-8");
 Map root = new HashMap();
 root.put("transactionId", "javaboy2012");
 root.put("name", 1231313);
 root.put("period", 6);
 root.put("rate", 0.75);
 root.put("amount", 1000);

// String result = FreeMarkerFactory.getInstance().process(json, root);
// System.out.println(result);
 ExpressionParser parser = new SpelExpressionParser();
 StandardEvaluationContext context = new StandardEvaluationContext();
 context.setVariables(root);
 Expression exp = parser.parseExpression(json);
 Object object = exp.getValue(context);
 System.out.println(JsonUtil.toJson(object));
 }

 @Test
 public void vv() throws Exception {
 String content = "${Date.format(Date.addMonth(Date.parse(firstPayDay, 'yyyy-MM-dd'),1), 'yyyy-MM-dd')}";
 Map root = new HashMap();
 root.put("firstPayDay", "2018-12-23");
 String value2 = BeetlFactory.getInstance().process(content, root);
 System.out.println("value:" + value2);
 }

 @Test
 public void vv2() throws Exception {
 String content = "${amount * rate/100.0 * changeDay/30.0}";
 Map root = new HashMap();
 root.put("amount", BigDecimal.valueOf(600));
 root.put("rate", BigDecimal.valueOf(1.65));
 root.put("changeDay", 30);

// String value = FreeMarkerFactory.getInstance().process(content, root);
 String value2 = BeetlFactory.getInstance().process(content, root);
 System.out.println("value:" + value2 + ", value2:" + value2);
 }

 @Test
 public void vv3() throws Exception {
// String content = "${Lang.scale((amount - refundAmount + feeAmount) * rate/100 * (30-changeDay)/30, 2)}";
 String content = "$((amount-refundAmount-refundAmount2 + feeAmount)*rate/100*(30-changeDay)/30}";
 Map root = new HashMap();
 root.put("amount", BigDecimal.valueOf(3000));
 root.put("rate", BigDecimal.valueOf(1.20));
 root.put("changeDay", 5);
 root.put("changeDay3", 10);
 root.put("refundAmount", BigDecimal.valueOf(100));
 root.put("refundAmount2", BigDecimal.valueOf(5));
 root.put("refundAmount3", BigDecimal.valueOf(5));
 root.put("feeAmount", BigDecimal.valueOf(5.58));
 String value2 = BeetlFactory.getInstance().process(content, root);
 System.out.println("value:" + value2);
 }

 @Test
 public void vv4() throws Exception {
 String content = "${Date.formatNow('yyyy-MM-dd', 0, 1)}";
 Map root = new HashMap();
 root.put("amount", BigDecimal.valueOf(600));
 root.put("rate", BigDecimal.valueOf(1.65));
 root.put("changeDay", 30);

// String value = FreeMarkerFactory.getInstance().process(content, root);
 String value2 = BeetlFactory.getInstance().process(content, root);
 System.out.println("value:" + value2 + ", value2:" + value2);

 content = "${date}";
 root = new HashMap();
 root.put("date", new Date());
 value2 = BeetlFactory.getInstance().process(content, root);
 System.out.println("value:" + value2 + ", value2:" + value2);

 String cc = "${Lang.max(1, 10)}";
 value2 = BeetlFactory.getInstance().process(cc, root);
 System.out.println("value:" + value2 + ", value2:" + value2);

 cc = "${Lang.scale(amount * rate/100 * Lang.min(changeDay, 30)/30, 2)}";
 root.put("amount", 1000);
 root.put("rate", 1.56);
 root.put("changeDay", 31);
 value2 = BeetlFactory.getInstance().process(cc, root);
 System.out.println("value:" + value2 + ", value2:" + value2);
 }

 @Test
 public void el5() throws Exception {
 String content = "<%\n" +
 "var a = \"sdfas\";\n" +
 "var c = ${Random.formatNow('yyyy-MM-dd', 30)}; //应该是var c = a+\"beetl\"\n" +
 "var result = a+c;" +
 "%>" +
 "hello 2+3=${result}";
 Map root = new HashMap();
 root.put("amount", BigDecimal.valueOf(600));
 root.put("rate", BigDecimal.valueOf(1.65));
 root.put("changeDay", 30);
 String value2 = BeetlFactory.getInstance().process(content, root);
 System.out.println("value:" + value2);
 }

 @Test
 public void vv31() throws Exception {
// String content = "${Lang.scale((amount - refundAmount + feeAmount) * rate/100 * (30-changeDay)/30, 2)}";
 String content = "#((amount-refundAmount-refundAmount2 + feeAmount)*rate/100*(30-changeDay)/30}";
 Map root = new HashMap();
 root.put("amount", BigDecimal.valueOf(3000));
 root.put("rate", BigDecimal.valueOf(1.20));
 root.put("changeDay", 5);
 root.put("changeDay3", 10);
 root.put("refundAmount", BigDecimal.valueOf(100));
 root.put("refundAmount2", BigDecimal.valueOf(5));
 root.put("refundAmount3", BigDecimal.valueOf(5));
 root.put("feeAmount", BigDecimal.valueOf(5.58));
 ExpressionParser parser = new SpelExpressionParser();
 StandardEvaluationContext context = new StandardEvaluationContext();
 context.setVariables(root);

 String content2 = "(#amount-#refundAmount-#refundAmount2 + #feeAmount)*#rate/100*(30-#changeDay)/30";
 Expression exp = parser.parseExpression(content2);
 Object object = exp.getValue(context);
 System.out.println("value:" + object);
 }

 @Test
 public void el6() {
 List<Student> studentList = buildStudentList(10);
 Map<String, Object> root = new HashMap();
 root.put("studentList", studentList);
 root.put("name", "test 0");
 String content = "#studentList[0].name == #name";
 ExpressionParser parser = new SpelExpressionParser();
 StandardEvaluationContext context = new StandardEvaluationContext();
 context.setVariables(root);
 Expression exp = parser.parseExpression(content);
 Object object = exp.getValue(context);
 System.out.println(object);
 }

 @Test
 public void el7() throws NoSuchMethodException {
 ExpressionParser parser = new SpelExpressionParser();
 StandardEvaluationContext context = new StandardEvaluationContext();

 Map<String, Object> root = new HashMap();
 root.put("a1", "123.00");
 root.put("a2", "100");

 context.setVariables(root);

 Method method = LangUtil.class.getDeclaredMethod("subtract", new Class[] { String.class, String.class });
 context.registerFunction("subtract",method);
 context.registerMethodFilter(LangUtil.class, (methods)->{
 return methods;
 });

 String content = "#subtract(#a1, #a2)";
 BigDecimal amount = parser.parseExpression(content).getValue(context, BigDecimal.class);
 System.out.println(amount);
 }

 private List<Student> buildStudentList(int size) {
 List<Student> result = new ArrayList();
 for(int i=0; i<size; i++) {
 result.add(buildStudent(i));
 }
 return result;
 }

 private Student buildStudent(int i) {
 Student student = new Student();
 student.setId(i);
 student.setName("test " + i);
 student.setAge((short) 12);
 return student;
 }
}