using System;

namespace Geocoding

{

/// <summary>

/// Most basic and generic form of address.

/// Just the full address string and a lat/long

/// </summary>

public abstract class Address

{

string formattedAddress = string.Empty;

Location coordinates;

string provider = string.Empty;

public Address(string formattedAddress, Location coordinates, string provider)

{

FormattedAddress = formattedAddress;

Coordinates = coordinates;

Provider = provider;

}

public virtual string FormattedAddress

{

get { return formattedAddress; }

set

{

if (string.IsNullOrWhiteSpace(value))

throw new ArgumentException("FormattedAddress is null or blank");

formattedAddress = value.Trim();

}

}

public virtual Location Coordinates

{

get { return coordinates; }

set

{

if (value == null)

throw new ArgumentNullException("Coordinates");

coordinates = value;

}

}

public virtual string Provider

{

get { return provider; }

protected set

{

if (string.IsNullOrWhiteSpace(value))

throw new ArgumentException("Provider can not be null or blank");

provider = value;

}

}

public virtual Distance DistanceBetween(Address address)

{

return this.Coordinates.DistanceBetween(address.Coordinates);

}

public virtual Distance DistanceBetween(Address address, DistanceUnits units)

{

return this.Coordinates.DistanceBetween(address.Coordinates, units);

}

public override string ToString()

{

return FormattedAddress;

}

}

}