package com.water.revenue;

import com.water.revenue.entity.FaqItem;
import com.water.revenue.entity.IntentRule;
import com.water.revenue.entity.WxPayOrder;
import com.water.revenue.mapper.FaqItemMapper;
import com.water.revenue.mapper.IntentRuleMapper;
import com.water.revenue.mapper.WxPayOrderMapper;
import com.water.revenue.service.wxhall.FaqService;
import com.water.revenue.service.wxhall.IntentService;
import com.water.revenue.service.wxhall.WxPayService;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;

import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.*;

@ExtendWith(MockitoExtension.class)
class WxHallServiceTest {

    @Mock private WxPayOrderMapper wxPayOrderMapper;
    @Mock private FaqItemMapper faqItemMapper;
    @Mock private IntentRuleMapper intentRuleMapper;

    @InjectMocks private WxPayService wxPayService;
    @InjectMocks private FaqService faqService;
    @InjectMocks private IntentService intentService;

    @Test
    void testUnifiedOrder() {
        when(wxPayOrderMapper.insert(any())).thenReturn(1);
        when(wxPayOrderMapper.updateById(any())).thenReturn(1);

        Map<String, Object> result = wxPayService.unifiedOrder(
            "openid123", "C001", "2024-01", new BigDecimal("50.00"), null);

        assertNotNull(result.get("outTradeNo"));
        assertEquals(5000, result.get("totalFee"));
        assertNotNull(result.get("prepayId"));
        verify(wxPayOrderMapper).insert(any(WxPayOrder.class));
    }

    @Test
    void testPayNotify() {
        WxPayOrder order = new WxPayOrder();
        order.setOutTradeNo("WXPAY20240101000001");
        order.setStatus("pending");
        when(wxPayOrderMapper.selectByOutTradeNo(any())).thenReturn(order);
        when(wxPayOrderMapper.updateById(any())).thenReturn(1);

        Map<String, String> xmlData = Map.of(
            "out_trade_no", "WXPAY20240101000001",
            "transaction_id", "TX123",
            "result_code", "SUCCESS",
            "sign", "test_sign"
        );

        Map<String, Object> result = wxPayService.payNotify(xmlData);
        assertEquals("SUCCESS", result.get("return_code"));
        verify(wxPayOrderMapper).updateById(any(WxPayOrder.class));
    }

    @Test
    void testRefund() {
        WxPayOrder order = new WxPayOrder();
        order.setOutTradeNo("WXPAY001");
        order.setStatus("success");
        order.setAmount(new BigDecimal("50.00"));
        when(wxPayOrderMapper.selectByOutTradeNo(any())).thenReturn(order);
        when(wxPayOrderMapper.updateById(any())).thenReturn(1);

        Map<String, Object> result = wxPayService.refund("WXPAY001", new BigDecimal("30.00"), "用户申请");
        assertEquals("refunded", result.get("status"));
        assertEquals(new BigDecimal("30.00"), result.get("refundAmount"));
    }

    @Test
    void testSearchFaq() {
        FaqItem faq = new FaqItem();
        faq.setId(1L);
        faq.setQuestion("如何查询水费？");
        faq.setAnswer("通过公众号查询");
        when(faqItemMapper.selectList(any())).thenReturn(List.of(faq));

        List<FaqItem> results = faqService.searchFaq("水费");
        assertFalse(results.isEmpty());
        assertEquals(1, results.size());
    }

    @Test
    void testGetHotFaqs() {
        FaqItem faq = new FaqItem();
        faq.setHitCount(100);
        when(faqItemMapper.selectList(any())).thenReturn(List.of(faq));

        List<FaqItem> results = faqService.getHotFaqs(5);
        assertFalse(results.isEmpty());
    }

    @Test
    void testIntentResolve() {
        IntentRule rule = new IntentRule();
        rule.setId(1L);
        rule.setPattern(".*查.*账单.*");
        rule.setIntentType("QUERY_BILL");
        rule.setResponse("正在查询...");
        rule.setHitCount(0);
        when(intentRuleMapper.selectList(any())).thenReturn(List.of(rule));
        when(intentRuleMapper.updateById(any())).thenReturn(1);

        Map<String, Object> result = intentService.resolve("我想查账单");
        assertNotNull(result);
        assertEquals("QUERY_BILL", result.get("intentType"));
    }

    @Test
    void testIntentResolveNoMatch() {
        when(intentRuleMapper.selectList(any())).thenReturn(List.of());

        Map<String, Object> result = intentService.resolve("今天天气怎么样");
        assertNotNull(result);
        assertEquals("UNKNOWN", result.get("intentType"));
    }

    @Test
    void testCreateFaq() {
        FaqItem faq = new FaqItem();
        faq.setQuestion("新问题");
        faq.setAnswer("新答案");
        faq.setCategory("其他");
        when(faqItemMapper.insert(any())).thenReturn(1);

        FaqItem result = faqService.createFaq(faq);
        assertNotNull(result);
        assertEquals("新问题", result.getQuestion());
        verify(faqItemMapper).insert(any(FaqItem.class));
    }
}