package com.yunhai.flowcenter.service;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.yunhai.flowcenter.engine.AssigneeResolver;
import com.yunhai.flowcenter.engine.FlowEngine;
import com.yunhai.flowcenter.model.OapiModels;
import com.yunhai.flowcenter.repository.FlwCallbackRegRepository;
import com.yunhai.flowcenter.repository.FlwCcRepository;
import com.yunhai.flowcenter.repository.FlwDefRepository;
import com.yunhai.flowcenter.repository.FlwInstanceRepository;
import com.yunhai.flowcenter.repository.FlwTaskRepository;
import com.yunhai.platform.apistd.BizException;
import com.yunhai.platform.openapi.base.OpenApiAppClient;
import com.yunhai.platform.openapi.base.OpenApiUserClient;
import com.yunhai.platform.utils.exception.ErrorCode;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;
import org.springframework.beans.factory.ObjectProvider;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * F9 mode=task 直跳任务办理页（P6.2）：pageUrl = front-url + #/task/{taskId}（无 token）；
 * taskId 缺失 PARAM_ERROR；front-url 未配置沿用 fail-fast 纪律（先于一切定位）。
 */
@DisplayName("embed/url mode=task（F9 任务页直跳）")
class OapiFlowEmbedTaskUrlTest {

    private OapiFlowService service;

    @BeforeEach
    void setUp() {
        service = new OapiFlowService(Mockito.mock(FlwDefRepository.class),
                Mockito.mock(FlwInstanceRepository.class), Mockito.mock(FlwTaskRepository.class),
                Mockito.mock(FlwCcRepository.class), Mockito.mock(FlwCallbackRegRepository.class),
                Mockito.mock(FlowInstanceService.class), Mockito.mock(FlowTaskService.class),
                Mockito.mock(FlowEngine.class), Mockito.mock(AssigneeResolver.class),
                new ObjectMapper(), Mockito.mock(OpenApiUserClient.class),
                Mockito.mock(OpenApiAppClient.class), Mockito.mock(DiagramTokenService.class),
                Mockito.mock(ObjectProvider.class));
    }

    private void frontUrl(String value) {
        org.springframework.test.util.ReflectionTestUtils.setField(service, "embedFrontUrl", value);
    }

    @Test
    void taskModeIssuesCenterTaskPageUrlWithoutToken() {
        frontUrl("http://fc.local/flow-center");
        OapiModels.EmbedUrlVo vo = service.embedUrl(1L, null, null, null, "task", 88L);
        assertEquals("http://fc.local/flow-center/#/task/88", vo.getPageUrl(),
                "pageUrl = front-url（补尾斜杠）+ #/task/{taskId}");
        assertEquals(0L, vo.getExpiresIn(), "无 token 模式无有效期，expiresIn=0");
    }

    @Test
    void taskModeWithoutTaskIdRejected() {
        frontUrl("http://fc.local/flow-center");
        BizException e = assertThrows(BizException.class,
                () -> service.embedUrl(1L, null, null, null, "task", null));
        assertEquals(ErrorCode.PARAM_ERROR, e.getErrorCode(), "缺 taskId 是参数错误");
        assertTrue(e.getMessage().contains("taskId"), "报错须点名缺失参数");
    }

    @Test
    void missingFrontUrlStillFailsFastEvenForTaskMode() {
        frontUrl(" ");
        BizException e = assertThrows(BizException.class,
                () -> service.embedUrl(1L, null, null, null, "task", 88L));
        assertEquals(ErrorCode.INTERNAL_SERVER_ERROR, e.getErrorCode(),
                "配置缺失优先于 mode 分支：宁可拒绝也不发打不开的地址");
    }
}