package com.mydreamjob.preference;

import com.mydreamjob.common.api.ApiResponse;
import com.mydreamjob.common.logging.RequestIdAccessor;
import com.mydreamjob.preference.dto.StudentPreferenceRequest;
import com.mydreamjob.security.CurrentUserAccessor;
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.web.bind.annotation.*;

import java.util.Map;

@Tag(name = "求职偏好", description = "学生求职偏好查询与保存")
@RestController
@RequestMapping("/profile/me")
@RequiredArgsConstructor
public class PreferenceController {

    private final PreferenceService preferenceService;
    private final CurrentUserAccessor currentUserAccessor;
    private final RequestIdAccessor requestIdAccessor;

    @Operation(summary = "查询求职偏好", description = "仅 STUDENT；无记录时返回空偏好对象")
    @GetMapping("/preferences")
    public ResponseEntity<ApiResponse<Map<String, Object>>> getPreferences(HttpServletRequest request) {
        Long userId = currentUserAccessor.requireUserId();
        Map<String, Object> view = preferenceService.getPreferences(userId);
        return ResponseEntity.ok(ApiResponse.ok(view, requestIdAccessor.get(request)));
    }

    @Operation(summary = "保存求职偏好", description = "仅 STUDENT；upsert，仅更新非 null 字段，薪资单位为元/月；"
            + "按合并后的期望薪资区间校验，非法返回 400/1001 且无部分更新。"
            + "已有在线简历时必须携带最近 GET /profile/me/online-resume 的 revision，缺少或过期返回 409/6002；"
            + "成功写入推进在线简历 revision，随后重新 GET 获取最新版本。"
            + "未建立在线简历时兼容不传 revision，显式 revision 只能为 0。")
    @PutMapping("/preferences")
    public ResponseEntity<ApiResponse<Map<String, Object>>> savePreferences(
            @Valid @RequestBody StudentPreferenceRequest req,
            HttpServletRequest request) {
        Long userId = currentUserAccessor.requireUserId();
        Map<String, Object> view = preferenceService.savePreferences(userId, req);
        return ResponseEntity.ok(ApiResponse.ok(view, requestIdAccessor.get(request)));
    }
}