package com.ruoyi.system.service.impl;

import java.math.BigDecimal;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentCaptor;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.system.domain.TDetectionCabinet;
import com.ruoyi.system.mapper.TDetectionCabinetMapper;

/**
 * 检测柜业务层单元测试，验证字段规范化、状态限制及唯一性校验等关键规则。
 */
@ExtendWith(MockitoExtension.class)
class TDetectionCabinetServiceImplTest
{
    @Mock
    private TDetectionCabinetMapper detectionCabinetMapper;

    @InjectMocks
    private TDetectionCabinetServiceImpl detectionCabinetService;

    private TDetectionCabinet detectionCabinet;

    /**
     * 初始化一条满足新增校验的检测柜 Mock 数据。
     */
    @BeforeEach
    void setUp()
    {
        detectionCabinet = new TDetectionCabinet();
        detectionCabinet.setCabinetCode(" CABINET-001 ");
        detectionCabinet.setCabinetName(" 一号检测柜 ");
        detectionCabinet.setIpAddress(" 192.168.1.10 ");
        detectionCabinet.setMacAddress("aa-bb-cc-dd-ee-ff");
        detectionCabinet.setManufacturer(" 厂商 ");
        detectionCabinet.setModel(" 型号A ");
        detectionCabinet.setCapacity(new BigDecimal("120.50"));
        detectionCabinet.setChannelCount(8);
        detectionCabinet.setRemark(" 备注 ");
    }

    /**
     * 验证新增时会规范化基础字段并初始化运行状态。
     */
    @Test
    void insertDetectionCabinetShouldNormalizeFieldsAndInitializeStatus()
    {
        when(detectionCabinetMapper.selectByCabinetCode("CABINET-001")).thenReturn(null);
        when(detectionCabinetMapper.selectByMacAddress("AA:BB:CC:DD:EE:FF")).thenReturn(null);
        when(detectionCabinetMapper.insertDetectionCabinet(any(TDetectionCabinet.class))).thenReturn(1);

        int rows = detectionCabinetService.insertDetectionCabinet(detectionCabinet);

        ArgumentCaptor<TDetectionCabinet> captor = ArgumentCaptor.forClass(TDetectionCabinet.class);
        verify(detectionCabinetMapper).insertDetectionCabinet(captor.capture());
        TDetectionCabinet savedCabinet = captor.getValue();
        assertEquals(1, rows);
        assertEquals("CABINET-001", savedCabinet.getCabinetCode());
        assertEquals("一号检测柜", savedCabinet.getCabinetName());
        assertEquals("192.168.1.10", savedCabinet.getIpAddress());
        assertEquals("AA:BB:CC:DD:EE:FF", savedCabinet.getMacAddress());
        assertEquals(new BigDecimal("120.50"), savedCabinet.getCapacity());
        assertEquals("0", savedCabinet.getOnlineStatus());
        assertEquals("0", savedCabinet.getTestStatus());
        assertEquals("0", savedCabinet.getStatus());
        assertEquals("0", savedCabinet.getDelFlag());
        assertNull(savedCabinet.getCurrentTest());
    }

    /**
     * 验证重复设备编码会阻止新增且不会执行写库操作。
     */
    @Test
    void insertDetectionCabinetShouldRejectDuplicateCabinetCode()
    {
        TDetectionCabinet existing = new TDetectionCabinet();
        existing.setCabinetId(2L);
        when(detectionCabinetMapper.selectByCabinetCode("CABINET-001")).thenReturn(existing);

        ServiceException exception = assertThrows(ServiceException.class,
                () -> detectionCabinetService.insertDetectionCabinet(detectionCabinet));

        assertEquals("设备编码已存在", exception.getMessage());
        verify(detectionCabinetMapper, never()).insertDetectionCabinet(any(TDetectionCabinet.class));
    }

    /**
     * 验证非法 IP 地址会阻止新增。
     */
    @Test
    void insertDetectionCabinetShouldRejectInvalidIpAddress()
    {
        detectionCabinet.setIpAddress("invalid-ip");

        ServiceException exception = assertThrows(ServiceException.class,
                () -> detectionCabinetService.insertDetectionCabinet(detectionCabinet));

        assertEquals("IP地址格式不正确", exception.getMessage());
        verify(detectionCabinetMapper, never()).insertDetectionCabinet(any(TDetectionCabinet.class));
    }

    /**
     * 验证测试中的检测柜不能被禁用。
     */
    @Test
    void updateDetectionCabinetStatusShouldRejectDisablingTestingCabinet()
    {
        TDetectionCabinet current = new TDetectionCabinet();
        current.setCabinetId(1L);
        current.setStatus("0");
        current.setTestStatus("1");
        when(detectionCabinetMapper.selectDetectionCabinetById(1L)).thenReturn(current);

        TDetectionCabinet statusCommand = new TDetectionCabinet();
        statusCommand.setCabinetId(1L);
        statusCommand.setStatus("1");

        ServiceException exception = assertThrows(ServiceException.class,
                () -> detectionCabinetService.updateDetectionCabinetStatus(statusCommand));

        assertEquals("检测柜正在测试，不能禁用", exception.getMessage());
        verify(detectionCabinetMapper, never()).updateDetectionCabinetStatus(any(TDetectionCabinet.class));
    }

    /**
     * 验证检测中的检测柜允许执行启用操作。
     */
    @Test
    void updateDetectionCabinetStatusShouldAllowEnablingTestingCabinet()
    {
        TDetectionCabinet current = new TDetectionCabinet();
        current.setCabinetId(1L);
        current.setStatus("1");
        current.setTestStatus("1");
        when(detectionCabinetMapper.selectDetectionCabinetById(1L)).thenReturn(current);
        when(detectionCabinetMapper.updateDetectionCabinetStatus(any(TDetectionCabinet.class))).thenReturn(1);

        TDetectionCabinet statusCommand = new TDetectionCabinet();
        statusCommand.setCabinetId(1L);
        statusCommand.setStatus("0");

        int rows = detectionCabinetService.updateDetectionCabinetStatus(statusCommand);

        assertEquals(1, rows);
        verify(detectionCabinetMapper).updateDetectionCabinetStatus(statusCommand);
    }

    /**
     * 验证重复提交相同状态时按幂等成功处理，不重复写库。
     */
    @Test
    void updateDetectionCabinetStatusShouldBeIdempotent()
    {
        TDetectionCabinet current = new TDetectionCabinet();
        current.setCabinetId(1L);
        current.setStatus("0");
        current.setTestStatus("0");
        when(detectionCabinetMapper.selectDetectionCabinetById(1L)).thenReturn(current);

        TDetectionCabinet statusCommand = new TDetectionCabinet();
        statusCommand.setCabinetId(1L);
        statusCommand.setStatus("0");

        int rows = detectionCabinetService.updateDetectionCabinetStatus(statusCommand);

        assertEquals(1, rows);
        verify(detectionCabinetMapper, never()).updateDetectionCabinetStatus(any(TDetectionCabinet.class));
    }

    /**
     * 验证批量删除会先检查所有检测柜，存在测试中记录时不删除任何数据。
     */
    @Test
    void deleteDetectionCabinetByIdsShouldRejectTestingCabinetBeforeDeleting()
    {
        TDetectionCabinet normal = new TDetectionCabinet();
        normal.setCabinetId(1L);
        normal.setTestStatus("0");
        TDetectionCabinet testing = new TDetectionCabinet();
        testing.setCabinetId(2L);
        testing.setTestStatus("1");
        when(detectionCabinetMapper.selectDetectionCabinetById(1L)).thenReturn(normal);
        when(detectionCabinetMapper.selectDetectionCabinetById(2L)).thenReturn(testing);

        ServiceException exception = assertThrows(ServiceException.class,
                () -> detectionCabinetService.deleteDetectionCabinetByIds(new Long[] { 1L, 2L }, "admin"));

        assertEquals("检测柜正在测试，不能删除", exception.getMessage());
        verify(detectionCabinetMapper, never()).deleteDetectionCabinetById(any(), any());
    }

    /**
     * 验证编辑时唯一性查询命中当前记录仍视为唯一。
     */
    @Test
    void checkUniqueShouldAllowCurrentCabinet()
    {
        TDetectionCabinet current = new TDetectionCabinet();
        current.setCabinetId(1L);
        current.setCabinetCode("CABINET-001");
        current.setMacAddress("AA:BB:CC:DD:EE:FF");
        when(detectionCabinetMapper.selectByCabinetCode("CABINET-001")).thenReturn(current);
        when(detectionCabinetMapper.selectByMacAddress("AA:BB:CC:DD:EE:FF")).thenReturn(current);

        assertTrue(detectionCabinetService.checkCabinetCodeUnique(current));
        assertTrue(detectionCabinetService.checkMacAddressUnique(current));
    }
}