import { isPlainObject } from "../../is/funcs/primitive"
import { objectEach } from "./objectEach"
import { setObjectValue } from "./setObjectValue"

/**
 * 过滤对象属性
 */
export function objectFilter(
    srcOb: any,
    filter: (key: string, value: any, keyPath: string[]) => boolean,
    options?: { deep?: boolean }
) {
    let newOb: any = {}
    if (options?.deep) {
        objectEach(
            srcOb,
            (value, key, { keyPath }) => {
                if (filter(key, value, <any>keyPath)) {
                    if (isPlainObject(value)) {
                        setObjectValue(newOb, <any>keyPath, {})
                    } else if (Array.isArray(value)) {
                        setObjectValue(newOb, <any>keyPath, [])
                    } else {
                        setObjectValue(newOb, <any>keyPath, value)
                    }
                }
            },
            { needKeyPath: true }
        )
    } else {
        for (let key in srcOb) {
            let srcValue = srcOb[key]
            // @ts-ignore
            if (filter(key, srcValue)) {
                newOb[key] = srcValue
            }
        }
    }

    return newOb
}