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package com.github.datalking.util;

/**
 * 判断型工具类
 *
 * @author yaoo on 4/3/18
 */
public interface Assert {


    static void notNull(Object object, String message) {
        if (object == null) {
            throw new IllegalArgumentException(message);
        }
    }

    static void isNull(Object object, String message) {
        if (object != null) {
            throw new IllegalArgumentException(message);
        }
    }

    static void isNull(Object object) {
        isNull(object, "[Assertion failed] - the object argument must be null");
    }

    public static void isAssignable(Class superType, Class subType) {
        isAssignable(superType, subType, "");
    }

    static void isAssignable(Class superType, Class subType, String message) {
        notNull(superType, "Type to check against must not be null");
        if (subType == null || !superType.isAssignableFrom(subType)) {
            throw new IllegalArgumentException(message + subType + " is not assignable to " + superType);
        }
    }

    static void hasLength(String text, String message) {
        if (!StringUtils.hasLength(text)) {
            throw new IllegalArgumentException(message);
        }
    }

    static void isTrue(boolean expression, String message) {
        if (!expression) {
            throw new IllegalArgumentException(message);
        }
    }

    static void isTrue(boolean expression) {
        isTrue(expression, "[Assertion failed] - this expression must be true");
    }

    static void hasText(String text, String message) {
        if (!StringUtils.hasText(text)) {
            throw new IllegalArgumentException(message);
        }
    }

    static void hasText(String text) {
        hasText(text, "[Assertion failed] - this String argument must have text; it must not be null, empty, or blank");
    }

    static void notEmpty(Object[] array, String message) {
        if (ObjectUtils.isEmpty(array)) {
            throw new IllegalArgumentException(message);
        }
    }

    static void notEmpty(Object[] array) {
        notEmpty(array, "[Assertion failed] - this array must not be empty: it must contain at least 1 element");
    }

    static void isInstanceOf(Class clazz, Object obj) {
        isInstanceOf(clazz, obj, "");
    }

    static void isInstanceOf(Class type, Object obj, String message) {
        notNull(type, "Type to check against must not be null");
        if (!type.isInstance(obj)) {
            throw new IllegalArgumentException(
                    (StringUtils.hasLength(message) ? message + " " : "") +
                            "Object of class [" + (obj != null ? obj.getClass().getName() : "null") +
                            "] must be an instance of " + type);
        }
    }

    static void state(boolean expression, String message) {
        if (!expression) {
            throw new IllegalStateException(message);
        }
    }

}