package com.ruoyi.shadow.evidence;

import java.util.Objects;

public final class ShadowDifference {
    private final ShadowDifferenceCategory category;
    private final String reasonCode;
    private final String expectedJson;
    private final String actualJson;

    public ShadowDifference(ShadowDifferenceCategory category,
                            String reasonCode,
                            String expectedJson,
                            String actualJson) {
        this.category = Objects.requireNonNull(category, "category");
        this.reasonCode = required(reasonCode, "reasonCode");
        this.expectedJson = expectedJson;
        this.actualJson = actualJson;
    }

    public ShadowDifferenceCategory getCategory() { return category; }
    public String getReasonCode() { return reasonCode; }
    public String getExpectedJson() { return expectedJson; }
    public String getActualJson() { return actualJson; }

    private static String required(String value, String name) {
        if (value == null || value.trim().isEmpty()) {
            throw new IllegalArgumentException(name + " must not be blank");
        }
        return value.trim();
    }
}