package com.mydreamjob.onlineresume;

import jakarta.validation.Valid;
import jakarta.validation.constraints.*;
import lombok.Data;
import java.time.LocalDate;
import java.util.ArrayList;
import java.util.List;

/** 本人在线简历。PUT 为完整替换；经历 id 由服务器生成，更新时保留。 */
@Data
public class OnlineResumeContent {
    @Valid @NotNull private BasicInfo basicInfo = new BasicInfo();
    @Valid @NotNull private JobIntention jobIntention = new JobIntention();
    @Valid @NotNull @Size(max = 20) private List<@NotNull Education> educationExperiences = new ArrayList<>();
    @Valid @NotNull @Size(max = 30) private List<@NotNull Work> workExperiences = new ArrayList<>();
    @Valid @NotNull @Size(max = 30) private List<@NotNull Project> projectExperiences = new ArrayList<>();
    @Valid @NotNull @Size(max = 50) private List<@NotNull Skill> skills = new ArrayList<>();
    @Size(max = 5000) private String selfEvaluation;

    @Data @io.swagger.v3.oas.annotations.media.Schema(name = "OnlineResumeBasicInfo")
    public static class BasicInfo {
        @Size(max = 50) private String realName;
        // 这是简历联系方式，不修改 users.phone / users.email 或登录认证。
        @Size(max = 30) @Pattern(regexp = "^$|\\+?[0-9][0-9() -]{4,29}") private String phone;
        @Email @Size(max = 100) private String email;
        @Size(max = 100) private String location;
        @Size(max = 100) private String education;
        @Size(max = 150) private String school;
        @Min(1900) @Max(2200) private Integer graduationYear;
    }

    public enum JobSeekingStatus { LOOKING, OPEN_TO_OPPORTUNITIES, NOT_LOOKING, STUDENT }
    public enum EmploymentStatus { EMPLOYED, UNEMPLOYED, STUDENT }

    @Data @io.swagger.v3.oas.annotations.media.Schema(name = "OnlineResumeJobIntention")
    public static class JobIntention {
        @Size(max = 120) private String targetPosition;
        @Min(0) private Integer expectedSalaryMin;
        @Min(0) private Integer expectedSalaryMax;
        @NotNull @Size(max = 20) private List<@NotBlank @Size(max = 100) String> preferredCities = new ArrayList<>();
        @NotNull @Size(max = 20) private List<@NotBlank @Size(max = 100) String> employmentTypes = new ArrayList<>();
        @NotNull @Size(max = 20) private List<@NotBlank @Size(max = 100) String> preferredIndustries = new ArrayList<>();
        @Size(max = 20) private List<@NotBlank @Size(max = 64) String> preferredIndustryCodes;
        @NotNull @Size(max = 20) private List<@NotBlank @Size(max = 100) String> preferredJobTypes = new ArrayList<>();
        private boolean remoteAllowed;
        private JobSeekingStatus jobSeekingStatus;
        private EmploymentStatus employmentStatus;
        private LocalDate availableFrom;
        @AssertTrue(message = "expectedSalaryMin must not exceed expectedSalaryMax")
        @com.fasterxml.jackson.annotation.JsonIgnore
        public boolean isSalaryRangeValid() {
            return expectedSalaryMin == null || expectedSalaryMax == null || expectedSalaryMin <= expectedSalaryMax;
        }
    }

    @Data @io.swagger.v3.oas.annotations.media.Schema(name = "OnlineResumeDatedEntry")
    public static class DatedEntry {
        @Pattern(regexp = "[a-f0-9\\-]{36}") private String id;
        @NotNull private LocalDate startDate;
        private LocalDate endDate;
        private boolean ongoing;
        @Size(max = 5000) private String description;
        @AssertTrue(message = "ongoing entries have no endDate; otherwise endDate >= startDate is required")
        @com.fasterxml.jackson.annotation.JsonIgnore
        public boolean isDateRangeValid() {
            return ongoing ? endDate == null : startDate != null && endDate != null && !endDate.isBefore(startDate);
        }
    }

    @Data @lombok.EqualsAndHashCode(callSuper = true) @io.swagger.v3.oas.annotations.media.Schema(name = "OnlineResumeEducation", additionalProperties = io.swagger.v3.oas.annotations.media.Schema.AdditionalPropertiesValue.FALSE)
    public static class Education extends DatedEntry {
        @NotBlank @Size(max = 150) private String school;
        @Size(max = 150) private String major;
        @NotBlank @Size(max = 100) private String degree;
    }
    @Data @lombok.EqualsAndHashCode(callSuper = true) @io.swagger.v3.oas.annotations.media.Schema(name = "OnlineResumeWork", additionalProperties = io.swagger.v3.oas.annotations.media.Schema.AdditionalPropertiesValue.FALSE)
    public static class Work extends DatedEntry {
        @NotBlank @Size(max = 150) private String company;
        @NotBlank @Size(max = 120) private String position;
        @Pattern(regexp = "^(FULL_TIME|INTERNSHIP)$")
        @io.swagger.v3.oas.annotations.media.Schema(types = {"string", "null"}, pattern = "^(FULL_TIME|INTERNSHIP)$",
                description = "经历类型：FULL_TIME 正式工作、INTERNSHIP 实习；省略或null表示未区分，不推断历史记录。条目PUT为完整替换，保留类型须回传该字段。")
        private String experienceType;
    }
    @Data @lombok.EqualsAndHashCode(callSuper = true) @io.swagger.v3.oas.annotations.media.Schema(name = "OnlineResumeProject", additionalProperties = io.swagger.v3.oas.annotations.media.Schema.AdditionalPropertiesValue.FALSE)
    public static class Project extends DatedEntry {
        @NotBlank @Size(max = 150) private String name;
        @Size(max = 120) private String role;
    }
    public enum SkillLevel { BEGINNER, FAMILIAR, PROFICIENT, EXPERT }
    @Data @io.swagger.v3.oas.annotations.media.Schema(name = "OnlineResumeSkill", additionalProperties = io.swagger.v3.oas.annotations.media.Schema.AdditionalPropertiesValue.FALSE)
    public static class Skill {
        @Pattern(regexp = "[a-f0-9\\-]{36}") private String id;
        @NotBlank @Size(max = 100) private String name;
        private SkillLevel level;
        @Min(0) @Max(80) private Integer years;
        @Size(max = 1000) private String description;
    }
}