using System;

namespace LeanCloud
{
    /// <summary>
    /// Exceptions that may occur when sending requests to LeanCloud.
    /// </summary>
    public class AVException : Exception
    {
        /// <summary>
        /// Error codes that may be delivered in response to requests to LeanCloud.
        /// </summary>
        public enum ErrorCode
        {
            /// <summary>
            /// Error code indicating that an unknown error or an error unrelated to LeanCloud
            /// occurred.
            /// </summary>
            OtherCause = -1,

            /// <summary>
            /// Error code indicating that something has gone wrong with the server.
            /// If you get this error code, it is LeanCloud's fault. 
            /// </summary>
            InternalServerError = 1,

            /// <summary>
            /// Error code indicating the connection to the LeanCloud servers failed.
            /// </summary>
            ConnectionFailed = 100,

            /// <summary>
            /// Error code indicating the specified object doesn't exist.
            /// </summary>
            ObjectNotFound = 101,

            /// <summary>
            /// Error code indicating you tried to query with a datatype that doesn't
            /// support it, like exact matching an array or object.
            /// </summary>
            InvalidQuery = 102,

            /// <summary>
            /// Error code indicating a missing or invalid classname. Classnames are
            /// case-sensitive. They must start with a letter, and a-zA-Z0-9_ are the
            /// only valid characters.
            /// </summary>
            InvalidClassName = 103,

            /// <summary>
            /// Error code indicating an unspecified object id.
            /// </summary>
            MissingObjectId = 104,

            /// <summary>
            /// Error code indicating an invalid key name. Keys are case-sensitive. They
            /// must start with a letter, and a-zA-Z0-9_ are the only valid characters.
            /// </summary>
            InvalidKeyName = 105,

            /// <summary>
            /// Error code indicating a malformed pointer. You should not see this unless
            /// you have been mucking about changing internal LeanCloud code.
            /// </summary>
            InvalidPointer = 106,

            /// <summary>
            /// Error code indicating that badly formed JSON was received upstream. This
            /// either indicates you have done something unusual with modifying how
            /// things encode to JSON, or the network is failing badly.
            /// </summary>
            InvalidJSON = 107,

            /// <summary>
            /// Error code indicating that the feature you tried to access is only
            /// available internally for testing purposes.
            /// </summary>
            CommandUnavailable = 108,

            /// <summary>
            /// You must call LeanCloud.initialize before using the LeanCloud library.
            /// </summary>
            NotInitialized = 109,

            /// <summary>
            /// Error code indicating that a field was set to an inconsistent type.
            /// </summary>
            IncorrectType = 111,

            /// <summary>
            /// Error code indicating an invalid channel name. A channel name is either
            /// an empty string (the broadcast channel) or contains only a-zA-Z0-9_
            /// characters and starts with a letter.
            /// </summary>
            InvalidChannelName = 112,

            /// <summary>
            /// Error code indicating that push is misconfigured.
            /// </summary>
            PushMisconfigured = 115,

            /// <summary>
            /// Error code indicating that the object is too large.
            /// </summary>
            ObjectTooLarge = 116,

            /// <summary>
            /// Error code indicating that the operation isn't allowed for clients.
            /// </summary>
            OperationForbidden = 119,

            /// <summary>
            /// Error code indicating the result was not found in the cache.
            /// </summary>
            CacheMiss = 120,

            /// <summary>
            /// Error code indicating that an invalid key was used in a nested
            /// JSONObject.
            /// </summary>
            InvalidNestedKey = 121,

            /// <summary>
            /// Error code indicating that an invalid filename was used for AVFile.
            /// A valid file name contains only a-zA-Z0-9_. characters and is between 1
            /// and 128 characters.
            /// </summary>
            InvalidFileName = 122,

            /// <summary>
            /// Error code indicating an invalid ACL was provided.
            /// </summary>
            InvalidACL = 123,

            /// <summary>
            /// Error code indicating that the request timed out on the server. Typically
            /// this indicates that the request is too expensive to run.
            /// </summary>
            Timeout = 124,

            /// <summary>
            /// Error code indicating that the email address was invalid.
            /// </summary>
            InvalidEmailAddress = 125,

            /// <summary>
            /// Error code indicating that a unique field was given a value that is
            /// already taken.
            /// </summary>
            DuplicateValue = 137,

            /// <summary>
            /// Error code indicating that a role's name is invalid.
            /// </summary>
            InvalidRoleName = 139,

            /// <summary>
            /// Error code indicating that an application quota was exceeded. Upgrade to
            /// resolve.
            /// </summary>
            ExceededQuota = 140,

            /// <summary>
            /// Error code indicating that a Cloud Code script failed.
            /// </summary>
            ScriptFailed = 141,

            /// <summary>
            /// Error code indicating that a Cloud Code validation failed.
            /// </summary>
            ValidationFailed = 142,

            /// <summary>
            /// Error code indicating that deleting a file failed.
            /// </summary>
            FileDeleteFailed = 153,

            /// <summary>
            /// Error code indicating that the application has exceeded its request limit.
            /// </summary>
            RequestLimitExceeded = 155,

            /// <summary>
            /// Error code indicating that the provided event name is invalid.
            /// </summary>
            InvalidEventName = 160,

            /// <summary>
            /// Error code indicating that the username is missing or empty.
            /// </summary>
            UsernameMissing = 200,

            /// <summary>
            /// Error code indicating that the password is missing or empty.
            /// </summary>
            PasswordMissing = 201,

            /// <summary>
            /// Error code indicating that the username has already been taken.
            /// </summary>
            UsernameTaken = 202,

            /// <summary>
            /// Error code indicating that the email has already been taken.
            /// </summary>
            EmailTaken = 203,

            /// <summary>
            /// Error code indicating that the email is missing, but must be specified.
            /// </summary>
            EmailMissing = 204,

            /// <summary>
            /// Error code indicating that a user with the specified email was not found.
            /// </summary>
            EmailNotFound = 205,

            /// <summary>
            /// Error code indicating that a user object without a valid session could
            /// not be altered.
            /// </summary>
            SessionMissing = 206,

            /// <summary>
            /// Error code indicating that a user can only be created through signup.
            /// </summary>
            MustCreateUserThroughSignup = 207,

            /// <summary>
            /// Error code indicating that an an account being linked is already linked
            /// to another user.
            /// </summary>
            AccountAlreadyLinked = 208,

            /// <summary>
            /// Error code indicating that the current session token is invalid.
            /// </summary>
            InvalidSessionToken = 209,

            /// <summary>
            /// Error code indicating that a user cannot be linked to an account because
            /// that account's id could not be found.
            /// </summary>
            LinkedIdMissing = 250,

            /// <summary>
            /// Error code indicating that a user with a linked (e.g. Facebook) account
            /// has an invalid session.
            /// </summary>
            InvalidLinkedSession = 251,

            /// <summary>
            /// Error code indicating that a service being linked (e.g. Facebook or
            /// Twitter) is unsupported.
            /// </summary>
            UnsupportedService = 252,

            /// <summary>
            /// 手机号不合法
            /// </summary>
            MobilePhoneInvalid = 253
        }

        internal AVException(ErrorCode code, string message, Exception cause = null)
          : base(message, cause)
        {
            this.Code = code;
        }

        /// <summary>
        /// The LeanCloud error code associated with the exception.
        /// </summary>
        public ErrorCode Code { get; private set; }
    }
}