package com.kamco.cd.kamcoback.trainingdata;

import com.kamco.cd.kamcoback.code.dto.CommonCodeDto;
import com.kamco.cd.kamcoback.config.api.ApiResponseDto;
import com.kamco.cd.kamcoback.config.api.ApiResponseDto.ResponseObj;
import com.kamco.cd.kamcoback.trainingdata.dto.TrainingDataLabelDto;
import com.kamco.cd.kamcoback.trainingdata.dto.TrainingDataLabelDto.LabelingGeometryInfo;
import com.kamco.cd.kamcoback.trainingdata.dto.TrainingDataLabelDto.LabelingListDto;
import com.kamco.cd.kamcoback.trainingdata.service.TrainingDataLabelService;
import io.swagger.v3.oas.annotations.Hidden;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.media.Content;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.tags.Tag;
import lombok.RequiredArgsConstructor;
import org.springframework.data.domain.Page;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
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;

@Tag(name = "라벨링 툴 > 라벨러", description = "라벨링 툴 > 라벨러 API")
@RestController
@RequiredArgsConstructor
@RequestMapping("/api/training-data/label")
public class TrainingDataLabelApiController {

  private final TrainingDataLabelService trainingDataLabelService;

  @Operation(summary = "목록 조회", description = "라벨 할당 목록 조회")
  @ApiResponses(
      value = {
        @ApiResponse(
            responseCode = "200",
            description = "조회 성공",
            content =
                @Content(
                    mediaType = "application/json",
                    schema = @Schema(implementation = CommonCodeDto.Basic.class))),
        @ApiResponse(responseCode = "404", description = "코드를 찾을 수 없음", content = @Content),
        @ApiResponse(responseCode = "500", description = "서버 오류", content = @Content)
      })
  @GetMapping
  public ApiResponseDto<Page<LabelingListDto>> findLabelingAssignedList(
      @RequestParam(defaultValue = "0") int page,
      @RequestParam(defaultValue = "20") int size,
      @RequestParam(defaultValue = "01022223333") String userId,
      @RequestParam(defaultValue = "ASSIGNED,SKIP,DONE", required = false) String status) {
    TrainingDataLabelDto.searchReq searchReq = new TrainingDataLabelDto.searchReq(page, size, "");
    return ApiResponseDto.ok(
        trainingDataLabelService.findLabelingAssignedList(searchReq, userId, status));
  }

  @Hidden
  @Operation(summary = "상세 Geometry 조회", description = "라벨 할당 상세 Geometry 조회")
  @ApiResponses(
      value = {
        @ApiResponse(
            responseCode = "200",
            description = "조회 성공",
            content =
                @Content(
                    mediaType = "application/json",
                    schema = @Schema(implementation = CommonCodeDto.Basic.class))),
        @ApiResponse(responseCode = "404", description = "코드를 찾을 수 없음", content = @Content),
        @ApiResponse(responseCode = "500", description = "서버 오류", content = @Content)
      })
  @GetMapping("/geom-info")
  public ApiResponseDto<LabelingGeometryInfo> findLabelingAssignedGeom(
      @RequestParam(defaultValue = "4f9ebc8b-6635-4177-b42f-7efc9c7b4c02") String assignmentUid) {
    return ApiResponseDto.ok(trainingDataLabelService.findLabelingAssignedGeom(assignmentUid));
  }

  @Operation(summary = "Geometry 저장", description = "Geometry 저장")
  @ApiResponses(
      value = {
        @ApiResponse(
            responseCode = "200",
            description = "조회 성공",
            content =
                @Content(
                    mediaType = "application/json",
                    schema = @Schema(implementation = CommonCodeDto.Basic.class))),
        @ApiResponse(responseCode = "404", description = "코드를 찾을 수 없음", content = @Content),
        @ApiResponse(responseCode = "500", description = "서버 오류", content = @Content)
      })
  @PostMapping
  public ApiResponseDto<ResponseObj> saveLabelingFeature(
      @RequestBody TrainingDataLabelDto.GeoFeatureRequest request) {
    return ApiResponseDto.okObject(trainingDataLabelService.saveLabelingFeature(request));
  }

  @Operation(summary = "작업 통계 조회", description = "라벨러의 작업 현황 통계를 조회합니다. (전체/미작업/Today 건수)")
  @ApiResponses(
      value = {
        @ApiResponse(
            responseCode = "200",
            description = "조회 성공",
            content =
                @Content(
                    mediaType = "application/json",
                    schema = @Schema(implementation = TrainingDataLabelDto.SummaryRes.class))),
        @ApiResponse(responseCode = "400", description = "잘못된 요청", content = @Content),
        @ApiResponse(responseCode = "500", description = "서버 오류", content = @Content)
      })
  @GetMapping("/summary")
  public ApiResponseDto<TrainingDataLabelDto.SummaryRes> getSummary(
      @io.swagger.v3.oas.annotations.Parameter(
              description = "라벨러 사번",
              required = true,
              example = "01022223333")
          @RequestParam
          String userId) {
    try {
      System.out.println("[Controller] getSummary called with userId: " + userId);
      TrainingDataLabelDto.SummaryRes result = trainingDataLabelService.getSummary(userId);
      System.out.println("[Controller] getSummary result: " + result);
      return ApiResponseDto.ok(result);
    } catch (Exception e) {
      System.err.println("[Controller] getSummary ERROR: " + e.getMessage());
      e.printStackTrace();
      // 예외 발생 시에도 빈 통계 반환
      return ApiResponseDto.ok(
          TrainingDataLabelDto.SummaryRes.builder()
              .totalCnt(0L)
              .undoneCnt(0L)
              .todayCnt(0L)
              .build());
    }
  }

  @Operation(summary = "변화탐지정보 및 실태조사결과 조회", description = "선택한 작업의 변화탐지정보 및 실태조사결과를 조회합니다.")
  @ApiResponses(
      value = {
        @ApiResponse(
            responseCode = "200",
            description = "조회 성공",
            content =
                @Content(
                    mediaType = "application/json",
                    schema = @Schema(implementation = TrainingDataLabelDto.DetailRes.class))),
        @ApiResponse(responseCode = "400", description = "잘못된 요청", content = @Content),
        @ApiResponse(responseCode = "404", description = "데이터를 찾을 수 없음", content = @Content),
        @ApiResponse(responseCode = "500", description = "서버 오류", content = @Content)
      })
  @GetMapping("/detail")
  public ApiResponseDto<TrainingDataLabelDto.DetailRes> getDetail(
      @io.swagger.v3.oas.annotations.Parameter(
              description = "작업 배정 ID (UUID)",
              required = true,
              example = "93c56be8-0246-4b22-b976-2476549733cc")
          @RequestParam
          java.util.UUID assignmentUid) {
    return ApiResponseDto.ok(trainingDataLabelService.getDetail(assignmentUid));
  }
}