package jnpf.tmsController;

import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import jnpf.annotation.HandleLog;
import jnpf.base.ActionResult;
import jnpf.base.vo.PageListVO;
import jnpf.base.vo.PaginationVO;
import jnpf.exception.DataException;
import jnpf.tmsEntity.question.TmsQuestionBankOption;
import jnpf.tmsEntity.question.TmsQuestionExportForm;
import jnpf.tmsEntity.question.TmsQuestionForm;
import jnpf.tmsEntity.question.TmsQuestionImportResult;
import jnpf.tmsEntity.question.TmsQuestionQuery;
import jnpf.tmsService.TmsQuestionService;
import jnpf.util.JsonUtil;
import jnpf.util.StringUtil;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import jakarta.servlet.http.HttpServletResponse;
import java.util.List;
import java.util.Map;

/**
 * 试题 CRUD。网关 /api/tms/question/** （StripPrefix=2）→ /question/**
 */
@Tag(name = "TMS试题", description = "Question")
@RestController
@RequestMapping("/question")
@RequiredArgsConstructor
public class TmsQuestionController {

    private final TmsQuestionService questionService;

    @Operation(summary = "题库下拉")
    @GetMapping("/banks")
    public ActionResult<List<TmsQuestionBankOption>> banks() {
        return ActionResult.success(questionService.listBanks());
    }

    @Operation(summary = "管理员下拉")
    @GetMapping("/admins")
    public ActionResult<List<Map<String, String>>> admins() {
        return ActionResult.success(questionService.listAdmins());
    }

    @Operation(summary = "试题分页列表")
    @GetMapping("/list")
    public ActionResult<PageListVO<TmsQuestionForm>> list(TmsQuestionQuery query) {
        List<TmsQuestionForm> list = questionService.getList(query);
        PageListVO<TmsQuestionForm> vo = new PageListVO<>();
        vo.setList(list);
        vo.setPagination(JsonUtil.getJsonToBean(query, PaginationVO.class));
        return ActionResult.success(vo);
    }

    @Operation(summary = "下载试题导入模板")
    @GetMapping("/import/template")
    public void importTemplate(HttpServletResponse response) {
        questionService.downloadImportTemplate(response);
    }

    @HandleLog(moduleName = "试题管理", requestMethod = "导出")
    @Operation(summary = "导出试题（勾选或按筛选）")
    @PostMapping("/export")
    public void export(@RequestBody(required = false) TmsQuestionExportForm form, HttpServletResponse response) {
        questionService.exportExcel(form, response);
    }

    @HandleLog(moduleName = "试题管理", requestMethod = "导入")
    @Operation(summary = "批量导入试题")
    @PostMapping("/import")
    public ActionResult<TmsQuestionImportResult> importExcel(@RequestParam("file") MultipartFile file) {
        if (file == null || file.isEmpty()) {
            throw new DataException("请上传导入文件");
        }
        String name = file.getOriginalFilename();
        if (StringUtil.isNotEmpty(name)) {
            String lower = name.toLowerCase();
            if (!(lower.endsWith(".xls") || lower.endsWith(".xlsx") || lower.endsWith(".csv"))) {
                throw new DataException("仅支持 xls / xlsx / csv 文件");
            }
        }
        try {
            return ActionResult.success(questionService.importExcel(file.getBytes(), name));
        } catch (DataException e) {
            throw e;
        } catch (Exception e) {
            throw new DataException("读取导入文件失败");
        }
    }

    @Operation(summary = "试题详情")
    @GetMapping("/{id}")
    public ActionResult<TmsQuestionForm> info(@PathVariable("id") String id) {
        return ActionResult.success(questionService.getInfo(id));
    }

    @HandleLog(moduleName = "试题管理", requestMethod = "新增")
    @Operation(summary = "新增试题")
    @PostMapping
    public ActionResult<String> create(@RequestBody TmsQuestionForm form) {
        return ActionResult.success(questionService.create(form));
    }

    @HandleLog(moduleName = "试题管理", requestMethod = "修改")
    @Operation(summary = "更新试题")
    @PutMapping("/{id}")
    public ActionResult<String> update(@PathVariable("id") String id, @RequestBody TmsQuestionForm form) {
        questionService.update(id, form);
        return ActionResult.success("更新成功");
    }

    @HandleLog(moduleName = "试题管理", requestMethod = "废弃")
    @Operation(summary = "废弃试题（逻辑删除）")
    @PutMapping("/{id}/invalidate")
    public ActionResult<String> invalidate(@PathVariable("id") String id) {
        questionService.invalidate(id);
        return ActionResult.success("废弃成功");
    }

    @HandleLog(moduleName = "试题管理", requestMethod = "状态变更")
    @Operation(summary = "启用/停用试题（开放/不开放）")
    @PutMapping("/{id}/status")
    public ActionResult<String> status(@PathVariable("id") String id, @RequestBody Map<String, String> body) {
        questionService.setBizStatus(id, body == null ? null : body.get("bizStatus"));
        return ActionResult.success("操作成功");
    }

    @HandleLog(moduleName = "试题管理", requestMethod = "废弃")
    @Operation(summary = "废弃试题（逻辑删除）")
    @DeleteMapping("/{id}")
    public ActionResult<String> delete(@PathVariable("id") String id) {
        questionService.invalidate(id);
        return ActionResult.success("废弃成功");
    }
}