package com.mydreamjob.preference.dto;

import jakarta.validation.constraints.AssertTrue;
import jakarta.validation.constraints.Max;
import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.Size;
import lombok.Data;

import java.util.List;

@Data
public class StudentPreferenceRequest {

    /** 已保存在线简历时必填；从 GET /profile/me/online-resume 获取。 */
    @jakarta.validation.constraints.PositiveOrZero
    @io.swagger.v3.oas.annotations.media.Schema(minimum = "0", description = "已保存在线简历时必填，取自 GET /profile/me/online-resume；缺少或过期返回409/6002。尚无在线记录时可省略或传0。成功后重新GET获取新版本。")
    private Long revision;

    @Min(value = 0, message = "expectedSalaryMin must not be negative")
    private Integer expectedSalaryMin;

    @Min(value = 0, message = "expectedSalaryMax must not be negative")
    private Integer expectedSalaryMax;

    @Size(max = 20, message = "preferredCities must have at most 20 items")
    private List<@Size(min = 1, max = 100, message = "each city must be 1-100 chars") String> preferredCities;

    @Size(max = 20, message = "employmentTypes must have at most 20 items")
    private List<@Size(min = 1, max = 100, message = "each employment type must be 1-100 chars") String> employmentTypes;

    @Size(max = 20, message = "preferredIndustries must have at most 20 items")
    private List<@Size(min = 1, max = 100, message = "each industry must be 1-100 chars") String> preferredIndustries;

    @Size(max = 20, message = "preferredJobTypes must have at most 20 items")
    private List<@Size(min = 1, max = 100, message = "each job type must be 1-100 chars") String> preferredJobTypes;

    private Boolean remoteAllowed;

    @AssertTrue(message = "expectedSalaryMin must not be greater than expectedSalaryMax")
    public boolean isSalaryRangeValid() {
        if (expectedSalaryMin == null || expectedSalaryMax == null) return true;
        return expectedSalaryMin <= expectedSalaryMax;
    }
}