/** @format */

export function md5(md5str: string) {
    var createMD5String = function (string: string) {
        var x = Array()
        var k, AA, BB, CC, DD, a, b, c, d
        var S11 = 7,
            S12 = 12,
            S13 = 17,
            S14 = 22
        var S21 = 5,
            S22 = 9,
            S23 = 14,
            S24 = 20
        var S31 = 4,
            S32 = 11,
            S33 = 16,
            S34 = 23
        var S41 = 6,
            S42 = 10,
            S43 = 15,
            S44 = 21
        string = uTF8Encode(string)
        x = convertToWordArray(string)
        a = 0x67452301
        b = 0xefcdab89
        c = 0x98badcfe
        d = 0x10325476
        for (k = 0; k < x.length; k += 16) {
            AA = a
            BB = b
            CC = c
            DD = d
            a = FF(a, b, c, d, x[k + 0], S11, 0xd76aa478)
            d = FF(d, a, b, c, x[k + 1], S12, 0xe8c7b756)
            c = FF(c, d, a, b, x[k + 2], S13, 0x242070db)
            b = FF(b, c, d, a, x[k + 3], S14, 0xc1bdceee)
            a = FF(a, b, c, d, x[k + 4], S11, 0xf57c0faf)
            d = FF(d, a, b, c, x[k + 5], S12, 0x4787c62a)
            c = FF(c, d, a, b, x[k + 6], S13, 0xa8304613)
            b = FF(b, c, d, a, x[k + 7], S14, 0xfd469501)
            a = FF(a, b, c, d, x[k + 8], S11, 0x698098d8)
            d = FF(d, a, b, c, x[k + 9], S12, 0x8b44f7af)
            c = FF(c, d, a, b, x[k + 10], S13, 0xffff5bb1)
            b = FF(b, c, d, a, x[k + 11], S14, 0x895cd7be)
            a = FF(a, b, c, d, x[k + 12], S11, 0x6b901122)
            d = FF(d, a, b, c, x[k + 13], S12, 0xfd987193)
            c = FF(c, d, a, b, x[k + 14], S13, 0xa679438e)
            b = FF(b, c, d, a, x[k + 15], S14, 0x49b40821)
            a = GG(a, b, c, d, x[k + 1], S21, 0xf61e2562)
            d = GG(d, a, b, c, x[k + 6], S22, 0xc040b340)
            c = GG(c, d, a, b, x[k + 11], S23, 0x265e5a51)
            b = GG(b, c, d, a, x[k + 0], S24, 0xe9b6c7aa)
            a = GG(a, b, c, d, x[k + 5], S21, 0xd62f105d)
            d = GG(d, a, b, c, x[k + 10], S22, 0x2441453)
            c = GG(c, d, a, b, x[k + 15], S23, 0xd8a1e681)
            b = GG(b, c, d, a, x[k + 4], S24, 0xe7d3fbc8)
            a = GG(a, b, c, d, x[k + 9], S21, 0x21e1cde6)
            d = GG(d, a, b, c, x[k + 14], S22, 0xc33707d6)
            c = GG(c, d, a, b, x[k + 3], S23, 0xf4d50d87)
            b = GG(b, c, d, a, x[k + 8], S24, 0x455a14ed)
            a = GG(a, b, c, d, x[k + 13], S21, 0xa9e3e905)
            d = GG(d, a, b, c, x[k + 2], S22, 0xfcefa3f8)
            c = GG(c, d, a, b, x[k + 7], S23, 0x676f02d9)
            b = GG(b, c, d, a, x[k + 12], S24, 0x8d2a4c8a)
            a = HH(a, b, c, d, x[k + 5], S31, 0xfffa3942)
            d = HH(d, a, b, c, x[k + 8], S32, 0x8771f681)
            c = HH(c, d, a, b, x[k + 11], S33, 0x6d9d6122)
            b = HH(b, c, d, a, x[k + 14], S34, 0xfde5380c)
            a = HH(a, b, c, d, x[k + 1], S31, 0xa4beea44)
            d = HH(d, a, b, c, x[k + 4], S32, 0x4bdecfa9)
            c = HH(c, d, a, b, x[k + 7], S33, 0xf6bb4b60)
            b = HH(b, c, d, a, x[k + 10], S34, 0xbebfbc70)
            a = HH(a, b, c, d, x[k + 13], S31, 0x289b7ec6)
            d = HH(d, a, b, c, x[k + 0], S32, 0xeaa127fa)
            c = HH(c, d, a, b, x[k + 3], S33, 0xd4ef3085)
            b = HH(b, c, d, a, x[k + 6], S34, 0x4881d05)
            a = HH(a, b, c, d, x[k + 9], S31, 0xd9d4d039)
            d = HH(d, a, b, c, x[k + 12], S32, 0xe6db99e5)
            c = HH(c, d, a, b, x[k + 15], S33, 0x1fa27cf8)
            b = HH(b, c, d, a, x[k + 2], S34, 0xc4ac5665)
            a = II(a, b, c, d, x[k + 0], S41, 0xf4292244)
            d = II(d, a, b, c, x[k + 7], S42, 0x432aff97)
            c = II(c, d, a, b, x[k + 14], S43, 0xab9423a7)
            b = II(b, c, d, a, x[k + 5], S44, 0xfc93a039)
            a = II(a, b, c, d, x[k + 12], S41, 0x655b59c3)
            d = II(d, a, b, c, x[k + 3], S42, 0x8f0ccc92)
            c = II(c, d, a, b, x[k + 10], S43, 0xffeff47d)
            b = II(b, c, d, a, x[k + 1], S44, 0x85845dd1)
            a = II(a, b, c, d, x[k + 8], S41, 0x6fa87e4f)
            d = II(d, a, b, c, x[k + 15], S42, 0xfe2ce6e0)
            c = II(c, d, a, b, x[k + 6], S43, 0xa3014314)
            b = II(b, c, d, a, x[k + 13], S44, 0x4e0811a1)
            a = II(a, b, c, d, x[k + 4], S41, 0xf7537e82)
            d = II(d, a, b, c, x[k + 11], S42, 0xbd3af235)
            c = II(c, d, a, b, x[k + 2], S43, 0x2ad7d2bb)
            b = II(b, c, d, a, x[k + 9], S44, 0xeb86d391)
            a = addUnsigned(a, AA)
            b = addUnsigned(b, BB)
            c = addUnsigned(c, CC)
            d = addUnsigned(d, DD)
        }
        var tempValue = wordToHex(a) + wordToHex(b) + wordToHex(c) + wordToHex(d)
        return tempValue.toLowerCase()
    }
    var rotateLeft = function (lValue: number, iShiftBits: number) {
        return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits))
    }
    var addUnsigned = function (lX: number, lY: number) {
        var lX4, lY4, lX8, lY8, lResult
        lX8 = lX & 0x80000000
        lY8 = lY & 0x80000000
        lX4 = lX & 0x40000000
        lY4 = lY & 0x40000000
        lResult = (lX & 0x3fffffff) + (lY & 0x3fffffff)
        if (lX4 & lY4) return lResult ^ 0x80000000 ^ lX8 ^ lY8
        if (lX4 | lY4) {
            if (lResult & 0x40000000) return lResult ^ 0xc0000000 ^ lX8 ^ lY8
            else return lResult ^ 0x40000000 ^ lX8 ^ lY8
        } else {
            return lResult ^ lX8 ^ lY8
        }
    }
    var F = function (x: number, y: number, z: number) {
        return (x & y) | (~x & z)
    }
    var G = function (x: number, y: number, z: number) {
        return (x & z) | (y & ~z)
    }
    var H = function (x: number, y: number, z: number) {
        return x ^ y ^ z
    }
    var I = function (x: number, y: number, z: number) {
        return y ^ (x | ~z)
    }
    var FF = function (a: number, b: number, c: number, d: number, x: number, s: number, ac: number) {
        a = addUnsigned(a, addUnsigned(addUnsigned(F(b, c, d), x), ac))
        return addUnsigned(rotateLeft(a, s), b)
    }
    var GG = function (a: number, b: number, c: number, d: number, x: number, s: number, ac: number) {
        a = addUnsigned(a, addUnsigned(addUnsigned(G(b, c, d), x), ac))
        return addUnsigned(rotateLeft(a, s), b)
    }
    var HH = function (a: number, b: number, c: number, d: number, x: number, s: number, ac: number) {
        a = addUnsigned(a, addUnsigned(addUnsigned(H(b, c, d), x), ac))
        return addUnsigned(rotateLeft(a, s), b)
    }
    var II = function (a: number, b: number, c: number, d: number, x: number, s: number, ac: number) {
        a = addUnsigned(a, addUnsigned(addUnsigned(I(b, c, d), x), ac))
        return addUnsigned(rotateLeft(a, s), b)
    }
    var convertToWordArray = function (string: string) {
        var lWordCount
        var lMessageLength = string.length
        var lNumberOfWordsTempOne = lMessageLength + 8
        var lNumberOfWordsTempTwo = (lNumberOfWordsTempOne - (lNumberOfWordsTempOne % 64)) / 64
        var lNumberOfWords = (lNumberOfWordsTempTwo + 1) * 16
        var lWordArray = Array(lNumberOfWords - 1)
        var lBytePosition = 0
        var lByteCount = 0
        while (lByteCount < lMessageLength) {
            lWordCount = (lByteCount - (lByteCount % 4)) / 4
            lBytePosition = (lByteCount % 4) * 8
            lWordArray[lWordCount] = lWordArray[lWordCount] | (string.charCodeAt(lByteCount) << lBytePosition)
            lByteCount++
        }
        lWordCount = (lByteCount - (lByteCount % 4)) / 4
        lBytePosition = (lByteCount % 4) * 8
        lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition)
        lWordArray[lNumberOfWords - 2] = lMessageLength << 3
        lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29
        return lWordArray
    }
    var wordToHex = function (lValue: number) {
        var WordToHexValue = '',
            WordToHexValueTemp = '',
            lByte,
            lCount
        for (lCount = 0; lCount <= 3; lCount++) {
            lByte = (lValue >>> (lCount * 8)) & 255
            WordToHexValueTemp = '0' + lByte.toString(16)
            WordToHexValue = WordToHexValue + WordToHexValueTemp.substr(WordToHexValueTemp.length - 2, 2)
        }
        return WordToHexValue
    }
    var uTF8Encode = function (string: string) {
        string = string.toString().replace(/\x0d\x0a/g, '\x0a')
        var output = ''
        for (var n = 0; n < string.length; n++) {
            var c = string.charCodeAt(n)
            if (c < 128) {
                output += String.fromCharCode(c)
            } else if (c > 127 && c < 2048) {
                output += String.fromCharCode((c >> 6) | 192)
                output += String.fromCharCode((c & 63) | 128)
            } else {
                output += String.fromCharCode((c >> 12) | 224)
                output += String.fromCharCode(((c >> 6) & 63) | 128)
                output += String.fromCharCode((c & 63) | 128)
            }
        }
        return output
    }
    return createMD5String(md5str)
}