package cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.plan;

import io.swagger.v3.oas.annotations.media.Schema;
import jakarta.validation.Valid;
import jakarta.validation.constraints.NotEmpty;
import jakarta.validation.constraints.NotNull;
import lombok.Data;

import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.List;

@Schema(description = "管理后台 - ERP 采购计划新增/修改 Request VO")
@Data
public class ErpPurchasePlanSaveReqVO {

    @Schema(description = "编号（修改时必填）", example = "1")
    private Long id;

    @Schema(description = "计划名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "2026年8月运维备件计划")
    @NotEmpty(message = "计划名称不能为空")
    private String name;

    @Schema(description = "需求来源（1=库存预警，2=运维/生产计划）", example = "1")
    private Integer demandSource;

    @Schema(description = "计划日期", requiredMode = Schema.RequiredMode.REQUIRED)
    @NotNull(message = "计划日期不能为空")
    private LocalDateTime planDate;

    @Schema(description = "供应商编号（可选）", example = "1")
    private Long supplierId;

    @Schema(description = "备注", example = "备注")
    private String remark;

    @Schema(description = "计划明细列表", requiredMode = Schema.RequiredMode.REQUIRED)
    @NotEmpty(message = "计划明细不能为空")
    @Valid
    private List<Item> items;

    @Schema(description = "计划明细项")
    @Data
    public static class Item {

        @Schema(description = "编号（修改时必填）", example = "1")
        private Long id;

        @Schema(description = "产品编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
        @NotNull(message = "产品编号不能为空")
        private Long productId;

        @Schema(description = "产品单位编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
        @NotNull(message = "产品单位不能为空")
        private Long productUnitId;

        @Schema(description = "计划采购数量", requiredMode = Schema.RequiredMode.REQUIRED, example = "10")
        @NotNull(message = "数量不能为空")
        private BigDecimal count;

        @Schema(description = "需求日期")
        private LocalDate demandTime;

        @Schema(description = "备注", example = "备注")
        private String remark;

        @Schema(description = "产品名称（前端展示用，后端忽略）", example = "产品A")
        private String productName;

        @Schema(description = "产品单位名称（前端展示用，后端忽略）", example = "个")
        private String productUnitName;

    }

}