window.shiptastic = window.shiptastic || {};
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/*
 * http://www.myersdaily.org/joseph/javascript/md5-text.html
 */
( function (global) {

    var md5cycle = function (x, k) {
        var a = x[0],
            b = x[1],
            c = x[2],
            d = x[3];

        a = ff(a, b, c, d, k[0], 7, -680876936);
        d = ff(d, a, b, c, k[1], 12, -389564586);
        c = ff(c, d, a, b, k[2], 17, 606105819);
        b = ff(b, c, d, a, k[3], 22, -1044525330);
        a = ff(a, b, c, d, k[4], 7, -176418897);
        d = ff(d, a, b, c, k[5], 12, 1200080426);
        c = ff(c, d, a, b, k[6], 17, -1473231341);
        b = ff(b, c, d, a, k[7], 22, -45705983);
        a = ff(a, b, c, d, k[8], 7, 1770035416);
        d = ff(d, a, b, c, k[9], 12, -1958414417);
        c = ff(c, d, a, b, k[10], 17, -42063);
        b = ff(b, c, d, a, k[11], 22, -1990404162);
        a = ff(a, b, c, d, k[12], 7, 1804603682);
        d = ff(d, a, b, c, k[13], 12, -40341101);
        c = ff(c, d, a, b, k[14], 17, -1502002290);
        b = ff(b, c, d, a, k[15], 22, 1236535329);

        a = gg(a, b, c, d, k[1], 5, -165796510);
        d = gg(d, a, b, c, k[6], 9, -1069501632);
        c = gg(c, d, a, b, k[11], 14, 643717713);
        b = gg(b, c, d, a, k[0], 20, -373897302);
        a = gg(a, b, c, d, k[5], 5, -701558691);
        d = gg(d, a, b, c, k[10], 9, 38016083);
        c = gg(c, d, a, b, k[15], 14, -660478335);
        b = gg(b, c, d, a, k[4], 20, -405537848);
        a = gg(a, b, c, d, k[9], 5, 568446438);
        d = gg(d, a, b, c, k[14], 9, -1019803690);
        c = gg(c, d, a, b, k[3], 14, -187363961);
        b = gg(b, c, d, a, k[8], 20, 1163531501);
        a = gg(a, b, c, d, k[13], 5, -1444681467);
        d = gg(d, a, b, c, k[2], 9, -51403784);
        c = gg(c, d, a, b, k[7], 14, 1735328473);
        b = gg(b, c, d, a, k[12], 20, -1926607734);

        a = hh(a, b, c, d, k[5], 4, -378558);
        d = hh(d, a, b, c, k[8], 11, -2022574463);
        c = hh(c, d, a, b, k[11], 16, 1839030562);
        b = hh(b, c, d, a, k[14], 23, -35309556);
        a = hh(a, b, c, d, k[1], 4, -1530992060);
        d = hh(d, a, b, c, k[4], 11, 1272893353);
        c = hh(c, d, a, b, k[7], 16, -155497632);
        b = hh(b, c, d, a, k[10], 23, -1094730640);
        a = hh(a, b, c, d, k[13], 4, 681279174);
        d = hh(d, a, b, c, k[0], 11, -358537222);
        c = hh(c, d, a, b, k[3], 16, -722521979);
        b = hh(b, c, d, a, k[6], 23, 76029189);
        a = hh(a, b, c, d, k[9], 4, -640364487);
        d = hh(d, a, b, c, k[12], 11, -421815835);
        c = hh(c, d, a, b, k[15], 16, 530742520);
        b = hh(b, c, d, a, k[2], 23, -995338651);

        a = ii(a, b, c, d, k[0], 6, -198630844);
        d = ii(d, a, b, c, k[7], 10, 1126891415);
        c = ii(c, d, a, b, k[14], 15, -1416354905);
        b = ii(b, c, d, a, k[5], 21, -57434055);
        a = ii(a, b, c, d, k[12], 6, 1700485571);
        d = ii(d, a, b, c, k[3], 10, -1894986606);
        c = ii(c, d, a, b, k[10], 15, -1051523);
        b = ii(b, c, d, a, k[1], 21, -2054922799);
        a = ii(a, b, c, d, k[8], 6, 1873313359);
        d = ii(d, a, b, c, k[15], 10, -30611744);
        c = ii(c, d, a, b, k[6], 15, -1560198380);
        b = ii(b, c, d, a, k[13], 21, 1309151649);
        a = ii(a, b, c, d, k[4], 6, -145523070);
        d = ii(d, a, b, c, k[11], 10, -1120210379);
        c = ii(c, d, a, b, k[2], 15, 718787259);
        b = ii(b, c, d, a, k[9], 21, -343485551);

        x[0] = add32(a, x[0]);
        x[1] = add32(b, x[1]);
        x[2] = add32(c, x[2]);
        x[3] = add32(d, x[3]);

    }

    var cmn = function (q, a, b, x, s, t) {
        a = add32(add32(a, q), add32(x, t));
        return add32((a << s) | (a >>> (32 - s)), b);
    }

    var ff = function (a, b, c, d, x, s, t) {
        return cmn((b & c) | ((~b) & d), a, b, x, s, t);
    }

    var gg = function (a, b, c, d, x, s, t) {
        return cmn((b & d) | (c & (~d)), a, b, x, s, t);
    }

    var hh = function (a, b, c, d, x, s, t) {
        return cmn(b ^ c ^ d, a, b, x, s, t);
    }

    var ii = function (a, b, c, d, x, s, t) {
        return cmn(c ^ (b | (~d)), a, b, x, s, t);
    }

    var md51 = function (s) {
        var txt = '',
            n = s.length,
            state = [1732584193, -271733879, -1732584194, 271733878],
            i;
        for (i = 64; i <= s.length; i += 64) {
            md5cycle(state, md5blk(s.substring(i - 64, i)));
        }
        s = s.substring(i - 64);
        var tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
        for (i = 0; i < s.length; i++)
            tail[i >> 2] |= s.charCodeAt(i) << ((i % 4) << 3);
        tail[i >> 2] |= 0x80 << ((i % 4) << 3);
        if (i > 55) {
            md5cycle(state, tail);
            for (i = 0; i < 16; i++) tail[i] = 0;
        }
        tail[14] = n * 8;
        md5cycle(state, tail);
        return state;
    }

    /* there needs to be support for Unicode here,
     * unless we pretend that we can redefine the MD-5
     * algorithm for multi-byte characters (perhaps
     * by adding every four 16-bit characters and
     * shortening the sum to 32 bits). Otherwise
     * I suggest performing MD-5 as if every character
     * was two bytes--e.g., 0040 0025 = @%--but then
     * how will an ordinary MD-5 sum be matched?
     * There is no way to standardize text to something
     * like UTF-8 before transformation; speed cost is
     * utterly prohibitive. The JavaScript standard
     * itself needs to look at this: it should start
     * providing access to strings as preformed UTF-8
     * 8-bit unsigned value arrays.
     */
    var md5blk = function (s) { /* I figured global was faster.   */
        var md5blks = [],
            i; /* Andy King said do it this way. */
        for (i = 0; i < 64; i += 4) {
            md5blks[i >> 2] = s.charCodeAt(i) + (s.charCodeAt(i + 1) << 8) + (s.charCodeAt(i + 2) << 16) + (s.charCodeAt(i + 3) << 24);
        }
        return md5blks;
    }

    var hex_chr = '0123456789abcdef'.split('');

    var rhex = function (n) {
        var s = '',
            j = 0;
        for (; j < 4; j++)
            s += hex_chr[(n >> (j * 8 + 4)) & 0x0F] + hex_chr[(n >> (j * 8)) & 0x0F];
        return s;
    }

    var hex = function (x) {
        for (var i = 0; i < x.length; i++)
            x[i] = rhex(x[i]);
        return x.join('');
    }

    var md5 = global.md5 = function (s) {
        return hex(md51(s));
    }

    /* this function is much faster,
    so if possible we use it. Some IEs
    are the only ones I know of that
    need the idiotic second function,
    generated by an if clause.  */

    var add32 = function (a, b) {
        return (a + b) & 0xFFFFFFFF;
    }

    if (md5('hello') != '5d41402abc4b2a76b9719d911017c592') {
        var add32 = function (x, y) {
            var lsw = (x & 0xFFFF) + (y & 0xFFFF),
                msw = (x >> 16) + (y >> 16) + (lsw >> 16);
            return (msw << 16) | (lsw & 0xFFFF);
        }
    }
})(window);

( function( $, admin, window ) {

    /**
     * Core
     */
    admin.dhl_internetmarke = {
        params: {},

        init: function () {
            var self = admin.dhl_internetmarke;

            self.params = wc_shiptastic_dhl_admin_internetmarke_params;

            $( document ).on( 'click', '#woocommerce_stc_dhl_im_portokasse_charge', self.onCharge );
        },

        onCharge: function() {
            var $button = $( this ),
                self= admin.dhl_internetmarke,
                amount  = $( '#woocommerce_stc_dhl_im_portokasse_charge_amount' ).val();

            $button.addClass( 'loading button-disabled' );
            $button.append( '<span class="spinner is-active"></span>' );
            $button.prop( 'disabled', true );
            $button.parents( 'td' ).find( '.notice' ).remove();

            $.ajax({
                type: "POST",
                url:  self.params.ajax_url,
                data: {
                    'security': self.params.charge_deutsche_post_im_nonce,
                    'action': 'woocommerce_stc_dhl_charge_deutsche_post_im',
                    'amount': amount,
                },
                success: function( data ) {
                    $button.removeClass( 'loading' );
                    $button.find( '.spinner' ).remove();

                    if ( data['success'] ) {
                        $balance_parent = $( '#im_balance' ).parents( 'tr' );

                        if ( $balance_parent.length > 0 ) {
                            $balance_parent.find( '.forminp-html' ).html( data['balance'] );
                        }

                        $button.after( '<p class="notice notice-success">' + data['message'] + '</p>' );
                    } else {
                        $button.prop( 'disabled', false );
                        $button.removeClass( 'button-disabled' );

                        $button.after( '<p class="notice notice-error">' + data['message'] + '</p>' );
                    }
                },
                error: function( data ) {
                    $button.find( '.spinner' ).remove();
                    $button.prop( 'disabled', false );
                    $button.removeClass( 'loading button-disabled' );

                    $button.after( '<p class="notice notice-error">There was an error.</p>' );
                },
                dataType: 'json'
            });

            return false;
        }
    };

    $( document ).ready( function() {
        shiptastic.admin.dhl_internetmarke.init();
    });

})( jQuery, window.shiptastic.admin, window );