package com.gxwebsoft.ai.controller;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.gxwebsoft.ai.dto.AuditContentRequest;
import com.gxwebsoft.ai.dto.export.TripleOneExportEntity;
import com.gxwebsoft.ai.dto.export.DecisionTableExportEntity;
import com.gxwebsoft.ai.entity.AiCloudDoc;
import com.gxwebsoft.ai.entity.AiCloudFile;
import com.gxwebsoft.ai.utils.ExcelExportTool;
import com.gxwebsoft.common.core.web.ApiResult;
import com.gxwebsoft.common.core.web.BaseController;
import com.gxwebsoft.common.system.entity.User;
import com.gxwebsoft.pwl.entity.PwlProjectLibrary;
import com.gxwebsoft.pwl.service.PwlProjectLibraryService;
import com.gxwebsoft.ai.service.AiCloudDocService;
import com.gxwebsoft.ai.service.AiCloudFileService;
import com.gxwebsoft.ai.service.AuditContent3TripleService;
import com.gxwebsoft.ai.service.AuditContent3DecisionService;
import com.gxwebsoft.ai.service.KnowledgeBaseService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import cn.hutool.core.util.StrUtil;

import javax.servlet.http.HttpServletResponse;
import java.util.*;
import java.util.stream.Collectors;

/**
 * 审计内容3控制器 - 三重一大制度对比分析 & 重大经济决策调查表
 */
@Slf4j
@Tag(name = "审计内容3-三重一大制度")
@RestController
@RequestMapping("/api/ai/auditContent3")
public class AuditContent3Controller extends BaseController {
    
    @Autowired
    private AuditContent3TripleService auditContent3TripleService;
    
    @Autowired
    private AuditContent3DecisionService auditContent3DecisionService;
    
    @Autowired
    private AiCloudDocService aiCloudDocService;
    
    @Autowired
    private AiCloudFileService aiCloudFileService;
    
    @Autowired
    private KnowledgeBaseService knowledgeBaseService;
    
    @Autowired
    private PwlProjectLibraryService pwlProjectLibraryService;
    
    /**
     * 生成三重一大制度对比分析表数据
     */
    @Operation(summary = "生成三重一大制度对比分析表")
    @PostMapping("/generateTripleOneTable")
    public ApiResult<?> generateTripleOneTable(@RequestBody AuditContentRequest request) {
        final User loginUser = getLoginUser();
        String kbIdTmp = "";
        String libraryKbIds = "";
        
        try {
            // 创建临时知识库（如果需要）
            if (!request.getDocList().isEmpty() || !request.getFileList().isEmpty()) {
                kbIdTmp = createTempKnowledgeBase(request);
            }
            
            // 提前查询项目库信息
            if (StrUtil.isNotBlank(request.getLibraryIds())) {
                List<String> idList = StrUtil.split(request.getLibraryIds(), ',');
                List<PwlProjectLibrary> ret = pwlProjectLibraryService.list(
                    new LambdaQueryWrapper<PwlProjectLibrary>().in(PwlProjectLibrary::getId, idList));
                libraryKbIds = ret.stream().map(PwlProjectLibrary::getKbId).collect(Collectors.joining(","));
            }
            
            // 生成三重一大制度对比分析表数据
            String knowledgeBaseId = StrUtil.isNotBlank(kbIdTmp) ? kbIdTmp : request.getKbIds();
            JSONObject result = auditContent3TripleService.generateTripleOneTableData(
                knowledgeBaseId, 
                libraryKbIds, 
                request.getProjectLibrary(), 
                loginUser.getUsername(), 
                request.getHistory(), 
                request.getSuggestion()
            );
            
            return success(result);
        } catch (Exception e) {
            log.error("生成三重一大制度对比分析表失败", e);
            return fail("生成三重一大制度对比分析表失败: " + e.getMessage());
        } finally {
            cleanupTempKnowledgeBase(kbIdTmp);
        }
    }
    
    /**
     * 生成重大经济决策调查表数据
     */
    @Operation(summary = "生成重大经济决策调查表")
    @PostMapping("/generateDecisionTable")
    public ApiResult<?> generateDecisionTable(@RequestBody AuditContentRequest request) {
        final User loginUser = getLoginUser();
        String kbIdTmp = "";
        
        try {
            // 创建临时知识库（如果需要）
            if (!request.getDocList().isEmpty() || !request.getFileList().isEmpty()) {
                kbIdTmp = createTempKnowledgeBase(request);
            }
            
            // 生成重大经济决策调查表数据
            String knowledgeBaseId = StrUtil.isNotBlank(kbIdTmp) ? kbIdTmp : request.getKbIds();
            JSONObject result = auditContent3DecisionService.generateDecisionTableData(
                knowledgeBaseId, 
                request.getLibraryIds(), 
                request.getProjectLibrary(), 
                loginUser.getUsername(), 
                request.getHistory(), 
                request.getSuggestion(),
                request.getData()
            );
            
            return success(result);
        } catch (Exception e) {
            log.error("生成重大经济决策调查表失败", e);
            return fail("生成重大经济决策调查表失败: " + e.getMessage());
        } finally {
            cleanupTempKnowledgeBase(kbIdTmp);
        }
    }
    
    /**
     * 创建临时知识库并提交文档
     */
    private String createTempKnowledgeBase(AuditContentRequest request) {
        String kbIdTmp = knowledgeBaseService.createKnowledgeBaseTemp();
        
        // 收集文档ID
        Set<Integer> docIds = request.getDocList().stream()
                .flatMap(docId -> aiCloudDocService.getSelfAndChildren(docId).stream())
                .map(AiCloudDoc::getId)
                .collect(Collectors.toSet());
        
        // 查询相关文件
        LambdaQueryWrapper<AiCloudFile> queryWrapper = new LambdaQueryWrapper<AiCloudFile>()
                .in(!docIds.isEmpty(), AiCloudFile::getDocId, docIds)
                .or(!request.getFileList().isEmpty())
                .in(!request.getFileList().isEmpty(), AiCloudFile::getId, request.getFileList());
        
        List<AiCloudFile> fileList = aiCloudFileService.list(queryWrapper);
        
        // 提取文件ID并提交到知识库
        Set<String> kbFileIds = fileList.stream()
                .map(AiCloudFile::getFileId)
                .collect(Collectors.toSet());
        
        if (!kbFileIds.isEmpty()) {
            knowledgeBaseService.submitDocuments(kbIdTmp, new ArrayList<>(kbFileIds));
        }
        
        return kbIdTmp;
    }
    
    /**
     * 清理临时知识库
     */
    private void cleanupTempKnowledgeBase(String kbId) {
        if (StrUtil.isNotBlank(kbId)) {
            try {
                knowledgeBaseService.deleteIndex(kbId);
            } catch (Exception e) {
                log.warn("删除临时知识库失败: {}", kbId, e);
            }
        }
    }
    
    /**
     * 导出三重一大制度对比分析表到Excel
     */
    @Operation(summary = "导出三重一大制度对比分析表到Excel")
    @PostMapping("/exportTripleOneTable")
    public void exportTripleOneTable(@RequestBody Map<String, Object> request, HttpServletResponse response) {
        List<Map<String, Object>> dataList = (List<Map<String, Object>>) request.get("data");
        String companyName = (String) request.get("companyName");
        
        // 转换为实体列表
        List<TripleOneExportEntity> exportData = convertToTripleOneEntityList(dataList);
        
        // 使用工具类导出
        String fileName = "三重一大制度对比分析表_" + (companyName != null ? companyName : "未知公司");
        String title = companyName != null ? companyName + " - 三重一大制度对比分析表" : "三重一大制度对比分析表";
        
        ExcelExportTool.exportExcel(exportData, TripleOneExportEntity.class, fileName, "三重一大制度对比分析表", title, response);
    }
    
    /**
     * 导出重大经济决策调查表到Excel
     */
    @Operation(summary = "导出重大经济决策调查表到Excel")
    @PostMapping("/exportDecisionTable")
    public void exportDecisionTable(@RequestBody Map<String, Object> request, HttpServletResponse response) {
        List<Map<String, Object>> dataList = (List<Map<String, Object>>) request.get("data");
        String companyName = (String) request.get("companyName");
        
        // 转换为实体列表
        List<DecisionTableExportEntity> exportData = convertToDecisionTableEntityList(dataList);
        
        // 使用工具类导出
        String fileName = "重大经济决策调查表_" + (companyName != null ? companyName : "未知公司");
        String title = companyName != null ? companyName + " - 重大经济决策调查表" : "重大经济决策调查表";
        
        ExcelExportTool.exportExcel(exportData, DecisionTableExportEntity.class, fileName, "重大经济决策调查表", title, response);
    }

    /**
     * 转换为三重一大实体列表
     */
    private List<TripleOneExportEntity> convertToTripleOneEntityList(List<Map<String, Object>> originalData) {
        return originalData.stream().map(this::convertToTripleOneEntity).collect(Collectors.toList());
    }

    /**
     * 转换为重大经济决策调查表实体列表
     */
    private List<DecisionTableExportEntity> convertToDecisionTableEntityList(List<Map<String, Object>> originalData) {
        return originalData.stream().map(this::convertToDecisionTableEntity).collect(Collectors.toList());
    }

    /**
     * 单个Map转换为三重一大实体
     */
    private TripleOneExportEntity convertToTripleOneEntity(Map<String, Object> item) {
        TripleOneExportEntity entity = new TripleOneExportEntity();
        entity.setCategory(getStringValue(item, "category"));
        entity.setPolicyContent(getStringValue(item, "policyContent"));
        entity.setGroupSystem(getStringValue(item, "groupSystem"));
        entity.setCompanyFormulation(getStringValue(item, "companyFormulation"));
        entity.setCheckEvidence(getStringValue(item, "checkEvidence"));
        entity.setTestResult(getStringValue(item, "testResult"));
        entity.setWorkPaperIndex(formatWorkPaperIndex(item.get("workPaperIndex")));
        return entity;
    }

    /**
     * 单个Map转换为重大经济决策调查表实体
     */
    private DecisionTableExportEntity convertToDecisionTableEntity(Map<String, Object> item) {
        DecisionTableExportEntity entity = new DecisionTableExportEntity();
        entity.setIndex(getStringValue(item, "index"));
        entity.setDecisionItem(getStringValue(item, "name"));
        entity.setMeetingTime(getStringValue(item, "meetingTime"));
        entity.setDecisionAmount(getStringValue(item, "decisionAmount"));
        entity.setProcedure(getStringValue(item, "procedure"));
        entity.setExecutionStatus(getStringValue(item, "executionStatus"));
        entity.setGood(getStringValue(item, "goods"));
        entity.setNormal(getStringValue(item, "normal"));
        entity.setBad(getStringValue(item, "bad"));
        return entity;
    }

    /**
     * 安全获取字符串值
     */
    private String getStringValue(Map<String, Object> map, String key) {
        Object value = map.get(key);
        return value != null ? value.toString() : "";
    }

    /**
     * 格式化工作底稿索引（如果是数组则转换为字符串）
     */
    private String formatWorkPaperIndex(Object workPaperIndex) {
        if (workPaperIndex == null) {
            return "";
        }
        
        if (workPaperIndex instanceof List) {
            List<?> list = (List<?>) workPaperIndex;
            return String.join(", ", list.stream()
                    .map(Object::toString)
                    .collect(Collectors.toList()));
        }
        
        return workPaperIndex.toString();
    }
}