/*
 * $Id: base64.js,v 2.15 2014/04/05 12:58:57 dankogai Exp dankogai $
 *
 *  Licensed under the MIT license.
 *    http://opensource.org/licenses/mit-license
 *
 *  References:
 *    http://en.wikipedia.org/wiki/Base64
 */

;(function (global) {
  'use strict'
  // existing version for noConflict()
  var _Base64 = global.Base64
  var version = '2.1.5'
  // if node.js, we use Buffer
  var buffer
  if (typeof module !== 'undefined' && module.exports) {
    buffer = require('buffer').Buffer
  }
  // constants
  var b64chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
  var b64tab = (function (bin) {
    var t = {}
    for (var i = 0, l = bin.length; i < l; i++) t[bin.charAt(i)] = i
    return t
  })(b64chars)
  var fromCharCode = String.fromCharCode
  // encoder stuff
  var cb_utob = function (c) {
    if (c.length < 2) {
      var cc = c.charCodeAt(0)
      return cc < 0x80
        ? c
        : cc < 0x800
          ? fromCharCode(0xc0 | (cc >>> 6)) + fromCharCode(0x80 | (cc & 0x3f))
          : fromCharCode(0xe0 | ((cc >>> 12) & 0x0f)) +
            fromCharCode(0x80 | ((cc >>> 6) & 0x3f)) +
            fromCharCode(0x80 | (cc & 0x3f))
    } else {
      var cc = 0x10000 + (c.charCodeAt(0) - 0xd800) * 0x400 + (c.charCodeAt(1) - 0xdc00)
      return (
        fromCharCode(0xf0 | ((cc >>> 18) & 0x07)) +
        fromCharCode(0x80 | ((cc >>> 12) & 0x3f)) +
        fromCharCode(0x80 | ((cc >>> 6) & 0x3f)) +
        fromCharCode(0x80 | (cc & 0x3f))
      )
    }
  }
  var re_utob = /[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g
  var utob = function (u) {
    return u.replace(re_utob, cb_utob)
  }
  var cb_encode = function (ccc) {
    var padlen = [0, 2, 1][ccc.length % 3],
      ord =
        (ccc.charCodeAt(0) << 16) |
        ((ccc.length > 1 ? ccc.charCodeAt(1) : 0) << 8) |
        (ccc.length > 2 ? ccc.charCodeAt(2) : 0),
      chars = [
        b64chars.charAt(ord >>> 18),
        b64chars.charAt((ord >>> 12) & 63),
        padlen >= 2 ? '=' : b64chars.charAt((ord >>> 6) & 63),
        padlen >= 1 ? '=' : b64chars.charAt(ord & 63),
      ]
    return chars.join('')
  }
  var btoa = global.btoa
    ? function (b) {
        return global.btoa(b)
      }
    : function (b) {
        return b.replace(/[\s\S]{1,3}/g, cb_encode)
      }
  var _encode = buffer
    ? function (u) {
        return new buffer(u).toString('base64')
      }
    : function (u) {
        return btoa(utob(u))
      }
  var encode = function (u, urisafe) {
    return !urisafe
      ? _encode(u)
      : _encode(u)
          .replace(/[+\/]/g, function (m0) {
            return m0 == '+' ? '-' : '_'
          })
          .replace(/=/g, '')
  }
  var encodeURI = function (u) {
    return encode(u, true)
  }
  // decoder stuff
  var re_btou = new RegExp(
    ['[\xC0-\xDF][\x80-\xBF]', '[\xE0-\xEF][\x80-\xBF]{2}', '[\xF0-\xF7][\x80-\xBF]{3}'].join('|'),
    'g'
  )
  var cb_btou = function (cccc) {
    switch (cccc.length) {
      case 4:
        var cp =
            ((0x07 & cccc.charCodeAt(0)) << 18) |
            ((0x3f & cccc.charCodeAt(1)) << 12) |
            ((0x3f & cccc.charCodeAt(2)) << 6) |
            (0x3f & cccc.charCodeAt(3)),
          offset = cp - 0x10000
        return fromCharCode((offset >>> 10) + 0xd800) + fromCharCode((offset & 0x3ff) + 0xdc00)
      case 3:
        return fromCharCode(
          ((0x0f & cccc.charCodeAt(0)) << 12) |
            ((0x3f & cccc.charCodeAt(1)) << 6) |
            (0x3f & cccc.charCodeAt(2))
        )
      default:
        return fromCharCode(((0x1f & cccc.charCodeAt(0)) << 6) | (0x3f & cccc.charCodeAt(1)))
    }
  }
  var btou = function (b) {
    return b.replace(re_btou, cb_btou)
  }
  var cb_decode = function (cccc) {
    var len = cccc.length,
      padlen = len % 4,
      n =
        (len > 0 ? b64tab[cccc.charAt(0)] << 18 : 0) |
        (len > 1 ? b64tab[cccc.charAt(1)] << 12 : 0) |
        (len > 2 ? b64tab[cccc.charAt(2)] << 6 : 0) |
        (len > 3 ? b64tab[cccc.charAt(3)] : 0),
      chars = [fromCharCode(n >>> 16), fromCharCode((n >>> 8) & 0xff), fromCharCode(n & 0xff)]
    chars.length -= [0, 0, 2, 1][padlen]
    return chars.join('')
  }
  var atob = global.atob
    ? function (a) {
        return global.atob(a)
      }
    : function (a) {
        return a.replace(/[\s\S]{1,4}/g, cb_decode)
      }
  var _decode = buffer
    ? function (a) {
        return new buffer(a, 'base64').toString()
      }
    : function (a) {
        return btou(atob(a))
      }
  var decode = function (a) {
    return _decode(
      a
        .replace(/[-_]/g, function (m0) {
          return m0 == '-' ? '+' : '/'
        })
        .replace(/[^A-Za-z0-9\+\/]/g, '')
    )
  }
  var noConflict = function () {
    var Base64 = global.Base64
    global.Base64 = _Base64
    return Base64
  }
  // export Base64
  global.Base64 = {
    VERSION: version,
    atob: atob,
    btoa: btoa,
    fromBase64: decode,
    toBase64: encode,
    utob: utob,
    encode: encode,
    encodeURI: encodeURI,
    btou: btou,
    decode: decode,
    noConflict: noConflict,
  }
  // if ES5 is available, make Base64.extendString() available
  if (typeof Object.defineProperty === 'function') {
    var noEnum = function (v) {
      return { value: v, enumerable: false, writable: true, configurable: true }
    }
    global.Base64.extendString = function () {
      Object.defineProperty(
        String.prototype,
        'fromBase64',
        noEnum(function () {
          return decode(this)
        })
      )
      Object.defineProperty(
        String.prototype,
        'toBase64',
        noEnum(function (urisafe) {
          return encode(this, urisafe)
        })
      )
      Object.defineProperty(
        String.prototype,
        'toBase64URI',
        noEnum(function () {
          return encode(this, true)
        })
      )
    }
  }
  // that's it!
})(this)

if (this['Meteor']) {
  Base64 = global.Base64 // for normal export in Meteor.js
}

;(function (root) {
  // body...

  var videoajax = function (argument) {
    // body...
    var host = '/'

    this._setHost = function (hoststr) {
      host = hoststr
    }
    this._getHost = function () {
      return host
    }
  }

  $.extend(videoajax.prototype, {
    /**
     * 设置主域名
     * @param hosts {String} default: '/' 主域名字符串
     */
    setHost: function (hosts) {
      this._setHost(hosts)
    },
    //user_id,course_id,lesson_id，break_point
    /**
     * 播放退出时间点
     * @param data {dataObject} 向后台传递的数据对象，应该包含
     *          user_id {Number} 用户ID
     *          course_id {Number} 课程ID
     *          lesson_id {Number} 课时ID
     *          break_point {Number} 断点
     *@param callback {Function} 回调方法
     */
    quitBreakPoint: function (data, callback) {
      var paramfiled = ['user_id', 'course_id', 'lesson_id', 'break_point']
      var dataStr = verfiyData(paramfiled, data)
      getDate(
        this._getHost() + 'index.php?m=zzplatform&c=userview&a=addBreakPoint',
        {
          userViewPoint: dataStr,
        },
        function (data) {
          isFunction(callback) ? callback(data.code == 200, data) : ''
        }
      )
    },
    /**
     * user_id:123,course_id:23,lesson_id:3
     *播放历史记录
     * @param data {dataObject} 向后台传递的数据对象，应该包含
     *          user_id {Number} 用户ID
     *          course_id {Number} 课程ID
     *          lesson_id {Number} 课时ID
     *@param callback {Function} 回调方法
     */
    getBreakPoint: function (data, callback) {
      var paramfiled = ['user_id', 'course_id', 'lesson_id']
      var dataStr = verfiyData(paramfiled, data)
      getDate(
        this._getHost() + 'index.php?m=zzplatform&c=userview&a=userbreakpoint',
        {
          userCourseInfo: dataStr,
        },
        function (data) {
          isFunction(callback) ? callback(data.code == 200, data) : ''
          // isFunction(callback) ? callback(data) : '';
        }
      )
    },
    /**
     *用户答题答案
     * @param data {dataObject} 向后台传递的数据对象，应该包含
     *          user_id {Number} 用户ID
     *          course_id {Number} 课程ID
     *          lesson_id {Number} 课时ID
     *          question_order {Number} 问题序号
     *          answer {String} 问题
     *@param callback {Function} 回调方法
     */
    getUserAnswer: function (data, callback) {
      var paramfiled = ['user_id', 'lesson_id', 'course_id', 'question_order', 'answer']
      var dataStr = verfiyData(paramfiled, data)
      getDate(
        this._getHost() + 'index.php?m=zzplatform&c=userview&a=addUserAnswer',
        {
          userAnswerInfo: dataStr,
        },
        function (data) {
          isFunction(callback) ? callback(data.code == 200, data) : ''
        }
      )
    },
    /**
     *播放结束
     * @param data {dataObject} 向后台传递的数据对象，应该包含
     *          order {Number} 排序ID
     *          co {Number} 课时ID
     *@param callback {Function} 回调方法
     */
    finishCourse: function (data, callback) {
      var paramfiled = ['order', 'co', 'process']
      var dataStr = verfiyData(paramfiled, data)
      getDate(
        this._getHost() + 'index.php?m=user&c=learnrecord&a=playcount',
        data,
        function (data) {
          isFunction(callback) ? callback(data.code == 200, data) : ''
          // isFunction(callback) ? callback(data) : '';
        }
      )
    },
    /**
     *课程进度获取
     * @param data {dataObject} 向后台传递的数据对象，应该包含
     *          order {Number} 排序ID
     *          co {Number} 课时ID
     *@param callback {Function} 回调方法
     *   注回调使用的参数,值类似为: {"status":true,"data":{"process":"91"}}
     *                        或: {"status":false,"data":'参数丢失'}
     *                        其中status为true为调用正常, 如果有值则data返回json形式的进度, 没有值则返回[]
     *                        status为false时, data保存的是错误提示
     */
    getfinishCourse: function (data, callback) {
      var paramfiled = ['order', 'co']
      var dataStr = verfiyData(paramfiled, data)
      getDate(
        this._getHost() + 'index.php?m=user&c=learnrecord&a=getuserlessionprocess',
        data,
        function (data) {
          isFunction(callback) ? callback(data) : ''
          // isFunction(callback) ? callback(data) : '';
        }
      )
    },
    /**
     *解码加密的breakpoint
     * @pparam basecode {String} 要解码的字符串
     */
    fromBaseCode: function (basecode) {
      return getBreakPoint(basecode)
    },
    /**
     *通过key值和课时值获取自定的数据
     * @param data {dataObject} 向后台传递的数据对象，应该包含
     *          lessonId {Number} 课时ID
     *          order {Number} 排序ID
     *@param callback {Function} 回调方法
     */
    getUserDefineInfo: function (data, callback) {
      var paramfiled = ['lessonId', 'order']
      var dataStr = verfiyData(paramfiled, data)
      getDate(
        this._getHost() + 'index.php?m=zzplatform&c=userview&a=getUserDefineInfo',
        {
          defineDate: dataStr,
        },
        function (data) {
          isFunction(callback) ? callback(data) : ''
        }
      )
    },
    /**
     *通过key值和课时值及用户ID获取自定的数据
     * @param data {dataObject} 向后台传递的数据对象，应该包含
     *          lessonId {Number} 课时ID
     *          order {Number} 排序ID
     *@param callback {Function} 回调方法
     */
    getUserDefineInfoByUser: function (data, callback) {
      var paramfiled = ['lessonId', 'order']
      var dataStr = verfiyData(paramfiled, data)
      getDate(
        this._getHost() + 'index.php?m=zzplatform&c=userview&a=getUserDefineInfoByUser',
        {
          defineUserDate: dataStr,
        },
        function (data) {
          isFunction(callback) ? callback(data) : ''
        }
      )
    },
    /**
     *增加自定数据
     * @param data {dataObject} 向后台传递的数据对象，应该包含
     *          lessonId {Number} 课时ID
     *          key {string} 键值ID
     *          content {string} 字内容
     *@param callback {Function} 回调方法
     */
    addUserDefine: function (data, callback) {
      var paramfiled = ['lessonId', 'key', 'content']
      var dataStr = verfiyData(paramfiled, data)
      getDate(
        this._getHost() + 'index.php?m=zzplatform&c=userview&a=addUserDefine',
        {
          addDefineDate: dataStr,
        },
        function (data) {
          isFunction(callback) ? callback(data) : ''
        }
      )
    },
  })

  var getDate = function (url, data, callback) {
    $.get(
      url,
      data,
      function (data) {
        callback(data)
      },
      'json'
    )
  }

  var isFunction = function (fn) {
    if (typeof fn === 'function') return true
    return false
  }
  var verfiyData = function (field, data) {
    var arr = []
    console.log(field)
    console.log('<br/>')
    console.log(data)
    for (var i in field) {
      if (!data[field[i]]) {
        throw new Error('data is error')
      }
      arr.push(field[i] + ':' + data[field[i]])
    }
    if (root.JSON) {
      return JSON.stringify(data)
    } else {
      return '{' + arr.join(',') + '}'
    }
  }

  var getBreakPoint = function (base64point) {
    var newbc = base64point.split('').reverse().join('')
    return Base64.fromBase64(newbc)
  }

  root.videoAjax = function () {
    return new videoajax()
  }
})(this)