package com.wyrs.admin.entity;

import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.PrePersist;
import jakarta.persistence.Table;
import jakarta.persistence.Transient;
import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.util.LinkedHashMap;
import java.util.Map;
import org.hibernate.annotations.JdbcTypeCode;

@Entity
@Table(name = "membership_price")
public class MembershipPrice {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
    @Column(nullable = false, length = 32)
    private String appCode;
    /** applicationId / package name; empty = default for appCode. @Transient avoids ddl=validate schema change; still persisted in prices.json via Jackson. */
    @Transient
    private String packageName;
    @Column(length = 64)
    private String productId;
    @Column(length = 128)
    private String name;
    @Column(precision = 10, scale = 2)
    private BigDecimal price;
    @Column(precision = 10, scale = 2)
    private BigDecimal originalPrice;
    private Integer durationDays;
    @Column(length = 32)
    private String billingType;
    @JdbcTypeCode(value = 3001)
    @Column(columnDefinition = "TEXT")
    private Map<String, String> channelProductCodes;
    private Boolean enabled;
    private LocalDateTime createdAt;

    @PrePersist
    void prePersist() {
        if (this.createdAt == null) {
            this.createdAt = LocalDateTime.now();
        }
        if (this.enabled == null) {
            this.enabled = true;
        }
        if (this.billingType == null || this.billingType.isBlank()) {
            this.billingType = this.durationDays != null && this.durationDays > 0 ? "subscription" : "one_time";
        }
        if (this.channelProductCodes == null) {
            this.channelProductCodes = new LinkedHashMap<>();
        }
        if (this.packageName == null) {
            this.packageName = "";
        }
    }

    private static Map<String, String> defaultChannelProductCodes() {
        return new LinkedHashMap<>();
    }

    public static MembershipPriceBuilder builder() {
        return new MembershipPriceBuilder();
    }

    public Long getId() { return this.id; }
    public String getAppCode() { return this.appCode; }
    public String getPackageName() { return this.packageName == null ? "" : this.packageName; }
    public String getProductId() { return this.productId; }
    public String getName() { return this.name; }
    public BigDecimal getPrice() { return this.price; }
    public BigDecimal getOriginalPrice() { return this.originalPrice; }
    public Integer getDurationDays() { return this.durationDays; }
    public String getBillingType() { return this.billingType; }
    public Map<String, String> getChannelProductCodes() { return this.channelProductCodes; }
    public Boolean getEnabled() { return this.enabled; }
    public LocalDateTime getCreatedAt() { return this.createdAt; }

    public void setId(Long id) { this.id = id; }
    public void setAppCode(String appCode) { this.appCode = appCode; }
    public void setPackageName(String packageName) {
        this.packageName = packageName == null ? "" : packageName.trim();
    }
    public void setProductId(String productId) { this.productId = productId; }
    public void setName(String name) { this.name = name; }
    public void setPrice(BigDecimal price) { this.price = price; }
    public void setOriginalPrice(BigDecimal originalPrice) { this.originalPrice = originalPrice; }
    public void setDurationDays(Integer durationDays) { this.durationDays = durationDays; }
    public void setBillingType(String billingType) { this.billingType = billingType; }
    public void setChannelProductCodes(Map<String, String> channelProductCodes) {
        this.channelProductCodes = channelProductCodes;
    }
    public void setEnabled(Boolean enabled) { this.enabled = enabled; }
    public void setCreatedAt(LocalDateTime createdAt) { this.createdAt = createdAt; }

    public MembershipPrice() {
        this.channelProductCodes = MembershipPrice.defaultChannelProductCodes();
        this.packageName = "";
    }

    public MembershipPrice(Long id, String appCode, String packageName, String productId, String name,
            BigDecimal price, BigDecimal originalPrice, Integer durationDays, String billingType,
            Map<String, String> channelProductCodes, Boolean enabled, LocalDateTime createdAt) {
        this.id = id;
        this.appCode = appCode;
        this.packageName = packageName == null ? "" : packageName;
        this.productId = productId;
        this.name = name;
        this.price = price;
        this.originalPrice = originalPrice;
        this.durationDays = durationDays;
        this.billingType = billingType;
        this.channelProductCodes = channelProductCodes;
        this.enabled = enabled;
        this.createdAt = createdAt;
    }

    public static class MembershipPriceBuilder {
        private Long id;
        private String appCode;
        private String packageName = "";
        private String productId;
        private String name;
        private BigDecimal price;
        private BigDecimal originalPrice;
        private Integer durationDays;
        private String billingType;
        private Map<String, String> channelProductCodes = MembershipPrice.defaultChannelProductCodes();
        private Boolean enabled;
        private LocalDateTime createdAt;

        public MembershipPriceBuilder id(Long id) { this.id = id; return this; }
        public MembershipPriceBuilder appCode(String appCode) { this.appCode = appCode; return this; }
        public MembershipPriceBuilder packageName(String packageName) { this.packageName = packageName; return this; }
        public MembershipPriceBuilder productId(String productId) { this.productId = productId; return this; }
        public MembershipPriceBuilder name(String name) { this.name = name; return this; }
        public MembershipPriceBuilder price(BigDecimal price) { this.price = price; return this; }
        public MembershipPriceBuilder originalPrice(BigDecimal originalPrice) { this.originalPrice = originalPrice; return this; }
        public MembershipPriceBuilder durationDays(Integer durationDays) { this.durationDays = durationDays; return this; }
        public MembershipPriceBuilder billingType(String billingType) { this.billingType = billingType; return this; }
        public MembershipPriceBuilder channelProductCodes(Map<String, String> m) { this.channelProductCodes = m; return this; }
        public MembershipPriceBuilder enabled(Boolean enabled) { this.enabled = enabled; return this; }
        public MembershipPriceBuilder createdAt(LocalDateTime createdAt) { this.createdAt = createdAt; return this; }

        public MembershipPrice build() {
            return new MembershipPrice(id, appCode, packageName, productId, name, price, originalPrice,
                    durationDays, billingType, channelProductCodes, enabled, createdAt);
        }
    }
}