package com.xjhs.findmemerchant.entity;

import com.xjhs.findmemerchant.common.jpa.AbstractBaseEntity;
import com.xjhs.findmemerchant.types.WithdrawalStatus;
import jakarta.persistence.*;
import lombok.Getter;
import lombok.Setter;
import org.hibernate.annotations.Comment;

import java.math.BigDecimal;
import java.time.LocalDateTime;

/**
 * 提现申请
 * 对应表：withdrawals
 */
@Getter
@Setter
@Entity
@Table(
        name = "withdrawals",
        indexes = {
                @Index(name = "idx_withdrawals_merchant_id", columnList = "merchant_id"),
                @Index(name = "idx_withdrawals_wallet_id", columnList = "wallet_id"),
                @Index(name = "idx_withdrawals_status", columnList = "status"),
                @Index(name = "idx_withdrawals_created_at", columnList = "created_at")
        }
)
public class Withdrawal extends AbstractBaseEntity {


    /**
     * 提现金额
     */
    @Column(name = "amount",  precision = 12, scale = 2)
    @Comment("提现金额")
    private BigDecimal amount;

    /**
     * 手续费
     */
    @Column(name = "fee",  precision = 10, scale = 2)
    @Comment("提现手续费")
    private BigDecimal fee = BigDecimal.ZERO;

    /**
     * 实际到账金额
     */
    @Column(name = "actual_amount",  precision = 12, scale = 2)
    @Comment("实际到账金额")
    private BigDecimal actualAmount;

    /**
     * 银行名称
     */
    @Column(name = "bank_name",  length = 50)
    @Comment("银行名称")
    private String bankName;

    /**
     * 银行账号（加密存储）
     */
    @Column(name = "bank_account",  length = 30)
    @Comment("银行账号（加密）")
    private String bankAccount;

    /**
     * 户名
     */
    @Column(name = "account_name",  length = 50)
    @Comment("开户人姓名")
    private String accountName;

    /**
     * 状态：0-待审核 1-处理中 2-已完成 3-已拒绝 4-已取消
     */
    @Column(name = "status")
    @Comment("提现状态")
    private Byte status = 0;

    /**
     * 拒绝原因
     */
    @Column(name = "reject_reason", length = 200)
    @Comment("拒绝原因")
    private String rejectReason;

    /**
     * 审核/处理时间
     */
    @Column(name = "processed_at")
    @Comment("审核/处理时间")
    private LocalDateTime processedAt;

    /**
     * 完成时间
     */
    @Column(name = "completed_at")
    @Comment("完成时间")
    private LocalDateTime completedAt;

    /**
     * 银行流水号
     */
    @Column(name = "transaction_no", length = 64)
    @Comment("银行流水号")
    private String transactionNo;

    /**
     * 备注
     */
    @Column(name = "remark", length = 200)
    @Comment("备注")
    private String remark;

    /**
     * 商家
     */
    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "merchant_id", insertable = false, updatable = false)
    private Merchant merchant;

    /**
     * 钱包
     */
    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "wallet_id", insertable = false, updatable = false)
    private Wallet wallet;

    // ========= 业务方法 =========

    public WithdrawalStatus getStatusEnum() {
        return WithdrawalStatus.fromCode(this.status);
    }

    public void setStatusEnum(WithdrawalStatus statusEnum) {
        this.status = statusEnum == null ? null : statusEnum.code();
    }

    public String getStatusText() {
        WithdrawalStatus e = getStatusEnum();
        return e != null ? e.getDesc() : "未知";
    }

    /**
     * 是否待审核
     */
    public boolean isPending() {
        return getStatusEnum() == WithdrawalStatus.PENDING;
    }

    /**
     * 是否已完成
     */
    public boolean isCompleted() {
        return getStatusEnum() == WithdrawalStatus.COMPLETED;
    }

    /**
     * 是否可以取消
     */
    public boolean canCancel() {
        return getStatusEnum() == WithdrawalStatus.PENDING;
    }

    /**
     * 脱敏银行卡号
     */
    public String getMaskedBankAccount() {
        if (bankAccount == null || bankAccount.length() <= 8) {
            return bankAccount;
        }
        return bankAccount.substring(0, 4) + "****" + bankAccount.substring(bankAccount.length() - 4);
    }
}