package com.yfd.business.css;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Assertions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.MediaType;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;

@SpringBootTest
@AutoConfigureMockMvc
public class SimulationInitTest {

    @Autowired
    private MockMvc mockMvc;
    @Autowired
    private ObjectMapper objectMapper;

    @Test
    public void initSimulation_and_queryResults() throws Exception {
        String projectId = "proj-0001-uuid";
        String scenarioId = "scen-001-uuid";

        String projectJson = "{\"projectId\":\"" + projectId + "\",\"name\":\"测试项目\"}";
        mockMvc.perform(MockMvcRequestBuilders.post("/projects")
                        .contentType(MediaType.APPLICATION_JSON)
                        .content(projectJson))
                .andExpect(MockMvcResultMatchers.status().isOk());

        String topology = "{\"devices\":[{\"deviceId\":\"dev-002-uuid\",\"name\":\"设备01\",\"type\":\"CylindricalTank\",\"static\":{\"diameter\":120,\"unit\":\"cm\"},\"properties\":{\"height\":{\"type\":\"influence\",\"unit\":\"cm\",\"bias\":0,\"sources\":[{\"entityType\":\"device\",\"entityId\":\"dev-002-uuid\",\"property\":\"diameter\",\"coefficient\":1,\"delay\":{\"enabled\":true,\"time\":0,\"unit\":\"s\"}}]}}},"
                + "{\"deviceId\":\"dev-003-uuid\",\"name\":\"设备02\",\"type\":\"AnnularTank\",\"static\":{\"diameter\":130,\"unit\":\"cm\"},\"properties\":{\"height\":{\"type\":\"influence\",\"unit\":\"cm\",\"bias\":0,\"sources\":[{\"entityType\":\"device\",\"entityId\":\"dev-003-uuid\",\"property\":\"diameter\",\"coefficient\":1,\"delay\":{\"enabled\":true,\"time\":0,\"unit\":\"s\"}}]}}}],\"pipelines\":[]}";
        String topologyBody = "{\"topology\":" + objectMapper.writeValueAsString(objectMapper.readTree(topology)) + "}";
        mockMvc.perform(MockMvcRequestBuilders.put("/projects/" + projectId + "/topology")
                        .contentType(MediaType.APPLICATION_JSON)
                        .content(topologyBody))
                .andExpect(MockMvcResultMatchers.status().isOk());

        String createEventBody = "{\"scenarioId\":\"" + scenarioId + "\"}";
        String eventResp = mockMvc.perform(MockMvcRequestBuilders.post("/events")
                        .contentType(MediaType.APPLICATION_JSON)
                        .content(createEventBody))
                .andExpect(MockMvcResultMatchers.status().isOk())
                .andReturn().getResponse().getContentAsString();
        JsonNode eventNode = objectMapper.readTree(eventResp).path("data");
        String eventId = eventNode.path("eventId").asText();

        String attrChanges = "{"
                + "\"attr_changes\":{"
                + "\"target\":{\"entityType\":\"device\",\"entityId\":\"dev-002-uuid\",\"property\":\"diameter\"},"
                + "\"unit\":\"cm\","
                + "\"segments\":[{"
                + "\"segmentId\":\"segment-1\",\"start\":0,\"end\":18,"
                + "\"timeline\":["
                + "{\"t\":0,\"value\":20},{\"t\":2,\"value\":50},{\"t\":4,\"value\":70},{\"t\":6,\"value\":100},"
                + "{\"t\":8,\"value\":120},{\"t\":10,\"value\":150},{\"t\":12,\"value\":200},{\"t\":14,\"value\":220},"
                + "{\"t\":16,\"value\":250},{\"t\":18,\"value\":300}"
                + "]"
                + "}]"
                + "}"
                + "}";
        mockMvc.perform(MockMvcRequestBuilders.put("/events/" + eventId + "/attr-changes")
                        .contentType(MediaType.APPLICATION_JSON)
                        .content(attrChanges))
                .andExpect(MockMvcResultMatchers.status().isOk());

        String initBody = "{\"startTime\":0,\"endTime\":18,\"step\":2}";
        String initResp = mockMvc.perform(MockMvcRequestBuilders.post("/projects/" + projectId + "/scenarios/" + scenarioId + "/simulation/init")
                        .contentType(MediaType.APPLICATION_JSON)
                        .content(initBody))
                .andExpect(MockMvcResultMatchers.status().isOk())
                .andExpect(MockMvcResultMatchers.jsonPath("$.code").value(0))
                .andReturn().getResponse().getContentAsString();
        JsonNode initNode = objectMapper.readTree(initResp).path("data");
        int generatedEvents = initNode.path("generated").path("events").asInt();
        int generatedSnapshots = initNode.path("generated").path("snapshots").asInt();
        Assertions.assertTrue(generatedEvents >= 0);
        Assertions.assertTrue(generatedSnapshots >= 0);

        mockMvc.perform(MockMvcRequestBuilders.get("/scenario-results/by-scenario")
                        .param("scenarioId", scenarioId)
                        .param("pageNum", "1")
                        .param("pageSize", "50"))
                .andExpect(MockMvcResultMatchers.status().isOk())
                .andExpect(MockMvcResultMatchers.jsonPath("$.code").value(0))
                .andExpect(MockMvcResultMatchers.jsonPath("$.data.records").isArray());
    }

    @Test
    public void initSimulation_direct() throws Exception {
        String projectId = "proj-0001-uuid";
        String scenarioId = "scen-001-uuid";
        String initBody = "{\"startTime\":0,\"endTime\":10,\"step\":2}";
        String initResp = mockMvc.perform(MockMvcRequestBuilders.post("/projects/" + projectId + "/scenarios/" + scenarioId + "/simulation/init")
                        .contentType(MediaType.APPLICATION_JSON)
                        .content(initBody))
                .andExpect(MockMvcResultMatchers.status().isOk())
                .andExpect(MockMvcResultMatchers.jsonPath("$.code").value(0))
                .andReturn().getResponse().getContentAsString();
        JsonNode initNode = objectMapper.readTree(initResp).path("data");
        int generatedEvents = initNode.path("generated").path("events").asInt();
        int generatedSnapshots = initNode.path("generated").path("snapshots").asInt();
        Assertions.assertTrue(generatedEvents >= 0);
        Assertions.assertTrue(generatedSnapshots >= 0);
        mockMvc.perform(MockMvcRequestBuilders.get("/scenario-results/by-scenario")
                        .param("scenarioId", scenarioId)
                        .param("pageNum", "1")
                        .param("pageSize", "50"))
                .andExpect(MockMvcResultMatchers.status().isOk())
                .andExpect(MockMvcResultMatchers.jsonPath("$.code").value(0))
                .andExpect(MockMvcResultMatchers.jsonPath("$.data.records").isArray());
    }
    
    @Test
    public void initSimulation_returnData() throws Exception {
        String projectId = "proj-0001-uuid";
        String scenarioId = "scen-001-uuid";
        String initBody = "{\"startTime\":0,\"endTime\":12,\"step\":3}";
        String initResp = mockMvc.perform(MockMvcRequestBuilders.post("/projects/" + projectId + "/scenarios/" + scenarioId + "/simulation/init")
                        .contentType(MediaType.APPLICATION_JSON)
                        .content(initBody))
                .andExpect(MockMvcResultMatchers.status().isOk())
                .andExpect(MockMvcResultMatchers.jsonPath("$.code").value(0))
                .andReturn().getResponse().getContentAsString();
        System.out.println("initResp=" + initResp);
        JsonNode initNode = objectMapper.readTree(initResp).path("data");
        int eventsCount = initNode.path("generated").path("events").asInt();
        int snapshotsCount = initNode.path("generated").path("snapshots").asInt();
        System.out.println("eventsCount=" + eventsCount + ", snapshotsCount=" + snapshotsCount);
        String resultResp = mockMvc.perform(MockMvcRequestBuilders.get("/scenario-results/by-scenario")
                        .param("scenarioId", scenarioId)
                        .param("pageNum", "1")
                        .param("pageSize", "20"))
                .andExpect(MockMvcResultMatchers.status().isOk())
                .andExpect(MockMvcResultMatchers.jsonPath("$.code").value(0))
                .andReturn().getResponse().getContentAsString();
        System.out.println("resultResp=" + resultResp);
        JsonNode resultNode = objectMapper.readTree(resultResp).path("data").path("records");
        Assertions.assertTrue(resultNode.isArray());
        System.out.println("recordsSize=" + resultNode.size());
    }
}