package com.mydreamjob.bidirectionalmatch;

import com.mydreamjob.bidirectionalmatch.dto.CompanyMatchRuleRequest;
import com.mydreamjob.bidirectionalmatch.dto.StudentMatchRuleRequest;
import com.mydreamjob.common.api.ApiResponse;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.Valid;
import lombok.RequiredArgsConstructor;
import org.springframework.http.ResponseEntity;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.*;

import java.util.Map;

/**
 * 匹配阈值配置接口（企业 requiredCandidateScore / 学生 requiredHrScore）
 */
@Tag(name = "双向匹配阈值", description = "企业与求职者的匹配阈值配置")
@RestController
@RequiredArgsConstructor
public class MatchRuleController {

    private final MatchRuleService matchRuleService;

    @Operation(summary = "查询企业匹配阈值", description = "未配置返回默认 60")
    @GetMapping("/companies/me/match-rule")
    public ResponseEntity<ApiResponse<Map<String, Object>>> getCompanyRule(HttpServletRequest request) {
        Long userId = resolveUserId(request);
        return ResponseEntity.ok(ApiResponse.ok(matchRuleService.getCompanyRule(userId), getRequestId(request)));
    }

    @Operation(summary = "更新企业匹配阈值", description = "requiredCandidateScore 0-100；首次更新创建配置")
    @PutMapping("/companies/me/match-rule")
    public ResponseEntity<ApiResponse<Map<String, Object>>> updateCompanyRule(
            @Valid @RequestBody CompanyMatchRuleRequest req, HttpServletRequest request) {
        Long userId = resolveUserId(request);
        return ResponseEntity.ok(ApiResponse.ok(
                matchRuleService.updateCompanyRule(userId, req.getRequiredCandidateScore()),
                getRequestId(request)));
    }

    @Operation(summary = "查询学生匹配阈值", description = "未配置返回默认 60")
    @GetMapping("/profile/me/match-rule")
    public ResponseEntity<ApiResponse<Map<String, Object>>> getStudentRule(HttpServletRequest request) {
        Long userId = resolveUserId(request);
        return ResponseEntity.ok(ApiResponse.ok(matchRuleService.getStudentRule(userId), getRequestId(request)));
    }

    @Operation(summary = "更新学生匹配阈值", description = "requiredHrScore 0-100；首次更新创建配置")
    @PutMapping("/profile/me/match-rule")
    public ResponseEntity<ApiResponse<Map<String, Object>>> updateStudentRule(
            @Valid @RequestBody StudentMatchRuleRequest req, HttpServletRequest request) {
        Long userId = resolveUserId(request);
        return ResponseEntity.ok(ApiResponse.ok(
                matchRuleService.updateStudentRule(userId, req.getRequiredHrScore()),
                getRequestId(request)));
    }

    private Long resolveUserId(HttpServletRequest request) {
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();
        if (auth == null || !auth.isAuthenticated())
            throw new com.mydreamjob.common.exception.BusinessException(
                    com.mydreamjob.common.exception.ErrorCode.UNAUTHORIZED);
        return Long.valueOf(auth.getName());
    }

    private String getRequestId(HttpServletRequest request) {
        return request.getHeader("X-Request-Id");
    }
}