# -*- coding: utf-8 -*-
class ApiError(Exception):
    def __init__(self, error_params):
        self.code = error_params['error_code']
        self.message = error_params['error_msg']
        self.captcha_sid = error_params.get('captcha_sid')
        self.captcha_img = error_params.get('captcha_img')
        self.redirect_uri = error_params.get('redirect_uri')
        params = {param['key']: param['value']
                  for param in error_params['request_params']}
        self.oauth = params.pop('oauth')
        self.method = params.pop('method')
        self.params = params

    def __str__(self):
        return "[{}] {}".format(self.code, self.message)

# Специфические ошибки.
class AuthorizationFailed(ApiError):
    """User authorization failed"""
    pass

class TooManyRequests(ApiError):
    """Too many requests per second"""
    pass

class FloodControl(ApiError):
    """Flood control"""
    pass

class InternalError(ApiError):
    """Internal server error"""
    pass

class CaptchaNeeded(ApiError):
    """Captcha needed"""
    pass

class AccessDenied(ApiError):
    """Access denied"""
    pass

class ValidationRequired(ApiError):
    """Validation required"""
    pass

class InvalidUserId(ApiError):
    """Invalid user id"""
    pass

class AlbumAccessDenied(ApiError):
    """Access to album denied"""
    pass

class AudioAccessDenied(ApiError):
    """Access to audio denied"""
    pass

class GroupAccessDenied(ApiError):
    """Access to group denied"""
    pass

class AlbumFull(ApiError):
    """This album is full"""
    pass