import { isUndefinedOrNull, isObject, isTypedArray } from './types.js';
function deepClone(obj) {
    if (!obj || typeof obj !== 'object') {
        return obj;
    }
    if (obj instanceof RegExp) {
        return obj;
    }
    const result = Array.isArray(obj) ? [] : {};
    Object.entries(obj).forEach(([key, value]) => {
        result[key] = value && typeof value === 'object' ? deepClone(value) : value;
    });
    return result;
}
function deepFreeze(obj) {
    if (!obj || typeof obj !== 'object') {
        return obj;
    }
    const stack = [obj];
    while (stack.length > 0) {
        const obj = stack.shift();
        for (const key in obj) {
            if (_hasOwnProperty.call(obj, key)) {
                const prop = obj[key];
                if (typeof prop === 'object' && !Object.isFrozen(prop) && !isTypedArray(prop)) {
                    stack.push(prop);
                }
            }
        }
    }
    return obj;
}
const _hasOwnProperty = Object.prototype.hasOwnProperty;
function cloneAndChange(obj, changer) {
    return _cloneAndChange(obj, changer, ( new Set()));
}
function _cloneAndChange(obj, changer, seen) {
    if (isUndefinedOrNull(obj)) {
        return obj;
    }
    const changed = changer(obj);
    if (typeof changed !== 'undefined') {
        return changed;
    }
    if (Array.isArray(obj)) {
        const r1 = [];
        for (const e of obj) {
            r1.push(_cloneAndChange(e, changer, seen));
        }
        return r1;
    }
    if (isObject(obj)) {
        if (( seen.has(obj))) {
            throw ( new Error('Cannot clone recursive data-structure'));
        }
        seen.add(obj);
        const r2 = {};
        for (const i2 in obj) {
            if (_hasOwnProperty.call(obj, i2)) {
                r2[i2] = _cloneAndChange(obj[i2], changer, seen);
            }
        }
        seen.delete(obj);
        return r2;
    }
    return obj;
}
function mixin(destination, source, overwrite = true) {
    if (!isObject(destination)) {
        return source;
    }
    if (isObject(source)) {
        ( Object.keys(source)).forEach(key => {
            if (key in destination) {
                if (overwrite) {
                    if (isObject(destination[key]) && isObject(source[key])) {
                        mixin(destination[key], source[key], overwrite);
                    }
                    else {
                        destination[key] = source[key];
                    }
                }
            }
            else {
                destination[key] = source[key];
            }
        });
    }
    return destination;
}
function equals(one, other) {
    if (one === other) {
        return true;
    }
    if (one === null || one === undefined || other === null || other === undefined) {
        return false;
    }
    if (typeof one !== typeof other) {
        return false;
    }
    if (typeof one !== 'object') {
        return false;
    }
    if ((Array.isArray(one)) !== (Array.isArray(other))) {
        return false;
    }
    let i;
    let key;
    if (Array.isArray(one)) {
        if (one.length !== other.length) {
            return false;
        }
        for (i = 0; i < one.length; i++) {
            if (!equals(one[i], other[i])) {
                return false;
            }
        }
    }
    else {
        const oneKeys = [];
        for (key in one) {
            oneKeys.push(key);
        }
        oneKeys.sort();
        const otherKeys = [];
        for (key in other) {
            otherKeys.push(key);
        }
        otherKeys.sort();
        if (!equals(oneKeys, otherKeys)) {
            return false;
        }
        for (i = 0; i < oneKeys.length; i++) {
            if (!equals(one[oneKeys[i]], other[oneKeys[i]])) {
                return false;
            }
        }
    }
    return true;
}
function safeStringify(obj) {
    const seen = ( new Set());
    return JSON.stringify(obj, (key, value) => {
        if (isObject(value) || Array.isArray(value)) {
            if (( seen.has(value))) {
                return '[Circular]';
            }
            else {
                seen.add(value);
            }
        }
        return value;
    });
}
function distinct(base, target) {
    const result = Object.create(null);
    if (!base || !target) {
        return result;
    }
    const targetKeys = ( Object.keys(target));
    targetKeys.forEach(k => {
        const baseValue = base[k];
        const targetValue = target[k];
        if (!equals(baseValue, targetValue)) {
            result[k] = targetValue;
        }
    });
    return result;
}
function filter(obj, predicate) {
    const result = Object.create(null);
    for (const [key, value] of Object.entries(obj)) {
        if (predicate(key, value)) {
            result[key] = value;
        }
    }
    return result;
}
function getAllPropertyNames(obj) {
    let res = [];
    while (Object.prototype !== obj) {
        res = res.concat(Object.getOwnPropertyNames(obj));
        obj = Object.getPrototypeOf(obj);
    }
    return res;
}
function getAllMethodNames(obj) {
    const methods = [];
    for (const prop of getAllPropertyNames(obj)) {
        if (typeof obj[prop] === 'function') {
            methods.push(prop);
        }
    }
    return methods;
}
function createProxyObject(methodNames, invoke) {
    const createProxyMethod = (method) => {
        return function () {
            const args = Array.prototype.slice.call(arguments, 0);
            return invoke(method, args);
        };
    };
    const result = {};
    for (const methodName of methodNames) {
        result[methodName] = createProxyMethod(methodName);
    }
    return result;
}
export { cloneAndChange, createProxyObject, deepClone, deepFreeze, distinct, equals, filter, getAllMethodNames, getAllPropertyNames, mixin, safeStringify };
