package com.label.unit;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

import static org.assertj.core.api.Assertions.assertThatCode;
import static org.assertj.core.api.Assertions.assertThatThrownBy;

@DisplayName("标准目录扁平化迁移守卫测试")
class PackageStructureMigrationTest {

    @Test
    @DisplayName("基础设施类已迁移到目标目录")
    void infrastructureTypesMoved() {
        assertClassExists("com.label.annotation.OperationLog");
        assertClassExists("com.label.aspect.AuditAspect");
        assertClassExists("com.label.config.MybatisPlusConfig");
        assertClassExists("com.label.config.OpenApiConfig");
        assertClassExists("com.label.config.RedisConfig");
        assertClassExists("com.label.event.ExtractionApprovedEvent");
        assertClassExists("com.label.listener.ExtractionApprovedEventListener");

        assertClassMissing("com.label.common.aop.OperationLog");
        assertClassMissing("com.label.common.aop.AuditAspect");
        assertClassMissing("com.label.common.config.MybatisPlusConfig");
        assertClassMissing("com.label.common.config.OpenApiConfig");
        assertClassMissing("com.label.common.config.RedisConfig");
        assertClassMissing("com.label.module.annotation.event.ExtractionApprovedEvent");
        assertClassMissing("com.label.module.annotation.service.ExtractionApprovedEventListener");
    }

    @Test
    @DisplayName("DTO、实体、Mapper 已迁移到扁平数据层")
    void dataTypesMoved() {
        for (String fqcn : java.util.List.of(
                "com.label.dto.LoginRequest",
                "com.label.dto.LoginResponse",
                "com.label.dto.UserInfoResponse",
                "com.label.dto.TaskResponse",
                "com.label.dto.SourceResponse",
                "com.label.entity.AnnotationResult",
                "com.label.entity.TrainingDataset",
                "com.label.entity.SysConfig",
                "com.label.entity.ExportBatch",
                "com.label.entity.SourceData",
                "com.label.entity.AnnotationTask",
                "com.label.entity.AnnotationTaskHistory",
                "com.label.entity.SysCompany",
                "com.label.entity.SysUser",
                "com.label.entity.VideoProcessJob",
                "com.label.mapper.AnnotationResultMapper",
                "com.label.mapper.TrainingDatasetMapper",
                "com.label.mapper.SysConfigMapper",
                "com.label.mapper.ExportBatchMapper",
                "com.label.mapper.SourceDataMapper",
                "com.label.mapper.AnnotationTaskMapper",
                "com.label.mapper.TaskHistoryMapper",
                "com.label.mapper.SysCompanyMapper",
                "com.label.mapper.SysUserMapper",
                "com.label.mapper.VideoProcessJobMapper")) {
            assertClassExists(fqcn);
        }
    }

    private static void assertClassExists(String fqcn) {
        assertThatCode(() -> Class.forName(fqcn)).doesNotThrowAnyException();
    }

    private static void assertClassMissing(String fqcn) {
        assertThatThrownBy(() -> Class.forName(fqcn)).isInstanceOf(ClassNotFoundException.class);
    }
}