package com.mydreamjob.assessment;

import com.mydreamjob.assessment.dto.AssessmentAttemptResponse;
import com.mydreamjob.assessment.dto.AssessmentHistoryItem;
import com.mydreamjob.assessment.dto.AssessmentQuestionResponse;
import com.mydreamjob.assessment.dto.AssessmentResultResponse;
import com.mydreamjob.assessment.dto.AssessmentTypeResponse;
import com.mydreamjob.assessment.dto.CreateAssessmentAttemptRequest;
import com.mydreamjob.assessment.dto.SaveAssessmentAnswersRequest;
import com.mydreamjob.audit.AuditContext;
import com.mydreamjob.common.api.ApiResponse;
import com.mydreamjob.common.api.PageResponse;
import com.mydreamjob.common.logging.RequestIdAccessor;
import com.mydreamjob.security.CurrentUserAccessor;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.Valid;
import lombok.RequiredArgsConstructor;
import org.springframework.data.domain.Page;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * RIASEC 职业兴趣测评接口（V34/V35）。
 *
 * <p>身份仅取自 JWT，不接受 userId 参数。类型与题目对任意已登录用户开放；
 * 答卷创建/详情/保存/提交/结果/历史仅 STUDENT 且仅限本人。COMPANY/ADMIN 操作答卷返回 403。</p>
 */
@Tag(name = "RIASEC 职业兴趣测评", description = "测评类型、题目、答卷、保存答案、提交与结果查询")
@RestController
@RequiredArgsConstructor
public class AssessmentController {

    private final AssessmentCatalogService catalogService;
    private final AssessmentAttemptService attemptService;
    private final AssessmentResultService resultService;
    private final CurrentUserAccessor currentUserAccessor;
    private final RequestIdAccessor requestIdAccessor;

    @Operation(summary = "测评类型列表",
            description = "返回全部 ACTIVE 测评定义。任意已登录用户可访问；未登录 401。")
    @ApiResponses({
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "OK"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "401", description = "未登录")
    })
    @GetMapping("/assessments/types")
    public ApiResponse<List<AssessmentTypeResponse>> listTypes(HttpServletRequest request) {
        return ApiResponse.ok(catalogService.listTypes(), requestIdAccessor.get(request));
    }

    @Operation(summary = "题目列表",
            description = "返回指定测评的 ACTIVE 题目，隐藏维度/reverseScored/source/版本等内部字段。")
    @ApiResponses({
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "OK"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "401", description = "未登录"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "测评类型不存在（9701）")
    })
    @GetMapping("/assessments/{type}/questions")
    public ApiResponse<List<AssessmentQuestionResponse>> listQuestions(
            @PathVariable String type, HttpServletRequest request) {
        return ApiResponse.ok(catalogService.listQuestions(type), requestIdAccessor.get(request));
    }

    @Operation(summary = "创建答卷",
            description = "照六维各抽 5 题共 30 道并持久化，刷新不重抽。幂等键重放返回原答卷；"
                    + "同键不同定义 409/9709；已有活跃答卷 409/9708。仅 STUDENT。")
    @ApiResponses({
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "OK"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "401", description = "未登录"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "403", description = "非 STUDENT（2002）"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "测评类型不存在（9701）"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "409", description = "活跃答卷/幂等冲突（9708/9709）")
    })
    @PostMapping("/assessments/attempts")
    public ApiResponse<AssessmentAttemptResponse> createAttempt(
            @Valid @RequestBody CreateAssessmentAttemptRequest req, HttpServletRequest request) {
        return ApiResponse.ok(attemptService.create(currentUserAccessor.requireUserId(), req, AuditContext.from(request)),
                requestIdAccessor.get(request));
    }

    @Operation(summary = "答卷详情",
            description = "返回本次抽中的 30 道题（固定顺序）、已保存答案、进度与当前状态。仅本人可访问；非 STUDENT 403。")
    @ApiResponses({
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "OK"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "401", description = "未登录"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "403", description = "非本人或非 STUDENT（2002）"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "答卷不存在（9702）")
    })
    @GetMapping("/assessments/attempts/{attemptId}")
    public ApiResponse<AssessmentAttemptResponse> getAttempt(
            @PathVariable Long attemptId, HttpServletRequest request) {
        return ApiResponse.ok(attemptService.get(currentUserAccessor.requireUserId(), attemptId), requestIdAccessor.get(request));
    }

    @Operation(summary = "保存答案",
            description = "单题或批量保存，重复保存 upsert；value 1-5；题目必须属于本答卷；"
                    + "版本冲突 409/9707；首次保存后状态置为 IN_PROGRESS。仅本人。")
    @ApiResponses({
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "OK"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "401", description = "未登录"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "403", description = "非本人或非 STUDENT（2002）"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "答卷不存在（9702）"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "409", description = "非法状态/并发（9703/9707）")
    })
    @PatchMapping("/assessments/attempts/{attemptId}/answers")
    public ApiResponse<AssessmentAttemptResponse> saveAnswers(
            @PathVariable Long attemptId,
            @Valid @RequestBody SaveAssessmentAnswersRequest req, HttpServletRequest request) {
        return ApiResponse.ok(attemptService.saveAnswers(currentUserAccessor.requireUserId(), attemptId, req,
                AuditContext.from(request)), requestIdAccessor.get(request));
    }

    @Operation(summary = "提交答卷",
            description = "30 题全答且每维各 5 题后方可提交（否则 400/9706）；提交后生成结果并写审计；"
                    + "重复提交返回原结果，不重复生成与审计。仅本人。")
    @ApiResponses({
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "OK"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "401", description = "未登录"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "403", description = "非本人或非 STUDENT（2002）"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "答卷不存在（9702）"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "409", description = "非法状态（9703）"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "400", description = "未完成（9706）")
    })
    @PostMapping("/assessments/attempts/{attemptId}/submit")
    public ApiResponse<AssessmentResultResponse> submitAttempt(
            @PathVariable Long attemptId, HttpServletRequest request) {
        return ApiResponse.ok(attemptService.submit(currentUserAccessor.requireUserId(), attemptId,
                AuditContext.from(request)), requestIdAccessor.get(request));
    }

    @Operation(summary = "查看结果",
            description = "答卷 COMPLETED 后返回聚合分、类型排名、探索方向。仅本人可访问。")
    @ApiResponses({
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "OK"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "401", description = "未登录"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "403", description = "非本人或非 STUDENT（2002）"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "答卷不存在（9702）"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "409", description = "答卷未完成（9703）")
    })
    @GetMapping("/assessments/attempts/{attemptId}/result")
    public ApiResponse<AssessmentResultResponse> getResult(
            @PathVariable Long attemptId, HttpServletRequest request) {
        return ApiResponse.ok(resultService.get(currentUserAccessor.requireUserId(), attemptId), requestIdAccessor.get(request));
    }

    @Operation(summary = "我的测评历史",
            description = "分页返回当前学生的全部答卷与结果概要。仅 STUDENT 本人可访问。")
    @ApiResponses({
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "OK"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "401", description = "未登录"),
            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "403", description = "非 STUDENT（2002）")
    })
    @GetMapping("/assessments/me")
    public ApiResponse<PageResponse<AssessmentHistoryItem>> listMine(
            @RequestParam(defaultValue = "0") int page,
            @RequestParam(defaultValue = "20") int size,
            HttpServletRequest request) {
        Page<AssessmentHistoryItem> result = attemptService.listMine(currentUserAccessor.requireUserId(), page, size);
        return ApiResponse.ok(PageResponse.of(
                result.getContent(),
                result.getTotalElements(), result.getNumber(), result.getSize()), requestIdAccessor.get(request));
    }
}