import dayjs from "dayjs";
/**
 * Provides utilities to transform hydrated and persisted data.
 */
export class DateUtils {
    // -------------------------------------------------------------------------
    // Public Static Methods
    // -------------------------------------------------------------------------
    /**
     * Normalizes date object hydrated from the database.
     */
    static normalizeHydratedDate(mixedDate) {
        if (!mixedDate)
            return mixedDate;
        return typeof mixedDate === "string"
            ? new Date(mixedDate)
            : mixedDate;
    }
    /**
     * Converts given value into date string in a "YYYY-MM-DD" format.
     */
    static mixedDateToDateString(value, options) {
        const utc = options?.utc ?? false;
        if (value instanceof Date) {
            if (utc) {
                return (this.formatZerolessValue(value.getUTCFullYear(), 4) +
                    "-" +
                    this.formatZerolessValue(value.getUTCMonth() + 1) +
                    "-" +
                    this.formatZerolessValue(value.getUTCDate()));
            }
            return (this.formatZerolessValue(value.getFullYear(), 4) +
                "-" +
                this.formatZerolessValue(value.getMonth() + 1) +
                "-" +
                this.formatZerolessValue(value.getDate()));
        }
        return value;
    }
    /**
     * Converts given value into date object.
     */
    static mixedDateToDate(mixedDate, toUtc = false, useMilliseconds = true) {
        /**
         * new Date(ISOString) is not a reliable parser to date strings.
         * It's better to use 'date-fns' parser to parser string in ISO Format.
         *
         * The problem here is with wrong timezone.
         *
         * For example:
         *
         * ``new Date('2021-04-28')`` will generate `2021-04-28T00:00:00.000Z`
         * in my timezone, which is not true for my timezone (GMT-0300). It should
         * be `2021-04-28T03:00:00.000Z` as `new Date(2021, 3, 28)` generates.
         *
         * https://stackoverflow.com/a/2587398
         */
        let date = typeof mixedDate === "string"
            ? dayjs(mixedDate).toDate()
            : mixedDate;
        if (toUtc)
            date = new Date(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(), date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds(), date.getUTCMilliseconds());
        if (!useMilliseconds)
            date.setUTCMilliseconds(0);
        return date;
    }
    /**
     * Converts given value into time string in a "HH:mm:ss" format.
     */
    static mixedDateToTimeString(value, skipSeconds = false) {
        if (value instanceof Date)
            return (this.formatZerolessValue(value.getHours()) +
                ":" +
                this.formatZerolessValue(value.getMinutes()) +
                (!skipSeconds
                    ? ":" + this.formatZerolessValue(value.getSeconds())
                    : ""));
        return value;
    }
    /**
     * Converts given value into time string in a "HH:mm:ss" format.
     */
    static mixedTimeToDate(value) {
        if (typeof value === "string") {
            const [hours, minutes, seconds] = value.split(":");
            const date = new Date();
            if (hours)
                date.setHours(parseInt(hours));
            if (minutes)
                date.setMinutes(parseInt(minutes));
            if (seconds)
                date.setSeconds(parseInt(seconds));
            return date;
        }
        return value;
    }
    /**
     * Converts given string value with "-" separator into a "HH:mm:ss" format.
     */
    static mixedTimeToString(value, skipSeconds = false) {
        value =
            value instanceof Date
                ? value.getHours() +
                    ":" +
                    value.getMinutes() +
                    (!skipSeconds ? ":" + value.getSeconds() : "")
                : value;
        if (typeof value === "string") {
            return value
                .split(":")
                .map((v) => (v.length === 1 ? "0" + v : v)) // append zero at beginning if we have a first-zero-less number
                .join(":");
        }
        return value;
    }
    /**
     * Converts given value into datetime string in a "YYYY-MM-DD HH-mm-ss" format.
     */
    static mixedDateToDatetimeString(value, useMilliseconds) {
        if (typeof value === "string") {
            value = new Date(value);
        }
        if (value instanceof Date) {
            let finalValue = this.formatZerolessValue(value.getFullYear(), 4) +
                "-" +
                this.formatZerolessValue(value.getMonth() + 1) +
                "-" +
                this.formatZerolessValue(value.getDate()) +
                " " +
                this.formatZerolessValue(value.getHours()) +
                ":" +
                this.formatZerolessValue(value.getMinutes()) +
                ":" +
                this.formatZerolessValue(value.getSeconds());
            if (useMilliseconds)
                finalValue += `.${this.formatMilliseconds(value.getMilliseconds())}`;
            value = finalValue;
        }
        return value;
    }
    /**
     * Converts given value into utc datetime string in a "YYYY-MM-DD HH-mm-ss.sss" format.
     */
    static mixedDateToUtcDatetimeString(value) {
        if (typeof value === "string") {
            value = new Date(value);
        }
        if (value instanceof Date) {
            return (this.formatZerolessValue(value.getUTCFullYear(), 4) +
                "-" +
                this.formatZerolessValue(value.getUTCMonth() + 1) +
                "-" +
                this.formatZerolessValue(value.getUTCDate()) +
                " " +
                this.formatZerolessValue(value.getUTCHours()) +
                ":" +
                this.formatZerolessValue(value.getUTCMinutes()) +
                ":" +
                this.formatZerolessValue(value.getUTCSeconds()) +
                "." +
                this.formatMilliseconds(value.getUTCMilliseconds()));
        }
        return value;
    }
    /**
     * Converts each item in the given array to string joined by "," separator.
     */
    static simpleArrayToString(value) {
        if (Array.isArray(value)) {
            return value.map((i) => String(i)).join(",");
        }
        return value;
    }
    /**
     * Converts given string to simple array split by "," separator.
     */
    static stringToSimpleArray(value) {
        if (typeof value === "string") {
            if (value.length > 0) {
                return value.split(",");
            }
            else {
                return [];
            }
        }
        return value;
    }
    static simpleJsonToString(value) {
        return JSON.stringify(value);
    }
    static stringToSimpleJson(value) {
        return typeof value === "string" ? JSON.parse(value) : value;
    }
    static simpleEnumToString(value) {
        return "" + value;
    }
    static stringToSimpleEnum(value, columnMetadata) {
        if (columnMetadata.enum &&
            !isNaN(value) &&
            columnMetadata.enum.indexOf(parseInt(value)) >= 0) {
            // convert to number if that exists in poosible enum options
            value = parseInt(value);
        }
        return value;
    }
    // -------------------------------------------------------------------------
    // Private Static Methods
    // -------------------------------------------------------------------------
    /**
     * Formats given number to "0x" format, e.g. if the totalLength = 2 and the value is 1 then it will return "01".
     */
    static formatZerolessValue(value, totalLength = 2) {
        const pad = "0".repeat(totalLength);
        return String(`${pad}${value}`).slice(-totalLength);
    }
    /**
     * Formats given number to "0x" format, e.g. if it is 1 then it will return "01".
     */
    static formatMilliseconds(value) {
        if (value < 10) {
            return "00" + value;
        }
        else if (value < 100) {
            return "0" + value;
        }
        else {
            return String(value);
        }
    }
}

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