using System;

using System.Linq;

using System.Reflection;

using JSONAPI.Extensions;

using Newtonsoft.Json;

namespace JSONAPI.Core

{

/// <summary>

/// Default implementation of INamingConventions

/// </summary>

public class DefaultNamingConventions : INamingConventions

{

private readonly IPluralizationService _pluralizationService;

/// <summary>

/// Creates a new DefaultNamingConventions

/// </summary>

/// <param name="pluralizationService"></param>

public DefaultNamingConventions(IPluralizationService pluralizationService)

{

_pluralizationService = pluralizationService;

}

/// <summary>

/// This method first checks if the property has a [JsonProperty] attribute. If so,

/// it uses the attribute's PropertyName. Otherwise, it falls back to taking the

/// property's name, and dasherizing it.

/// </summary>

/// <param name="property"></param>

/// <returns></returns>

public virtual string GetFieldNameForProperty(PropertyInfo property)

{

var jsonPropertyAttribute = (JsonPropertyAttribute)property.GetCustomAttributes(typeof(JsonPropertyAttribute)).FirstOrDefault();

return jsonPropertyAttribute != null ? jsonPropertyAttribute.PropertyName : property.Name.Dasherize();

}

/// <summary>

/// This method first checks if the type has a [JsonObject] attribute. If so,

/// it uses the attribute's Title. Otherwise it falls back to pluralizing the

/// type's name using the given <see cref="IPluralizationService" /> and then

/// dasherizing that value.

/// </summary>

/// <param name="type"></param>

/// <returns></returns>

public virtual string GetResourceTypeNameForType(Type type)

{

var jsonObjectAttribute = type.GetCustomAttributes().OfType<JsonObjectAttribute>().FirstOrDefault();

string title = null;

if (jsonObjectAttribute != null)

{

title = jsonObjectAttribute.Title;

}

if (string.IsNullOrEmpty(title))

{

title = GetNameForType(type);

}

return _pluralizationService.Pluralize(title).Dasherize();

}

/// <summary>

/// Gets the name for a CLR type.

/// </summary>

protected virtual string GetNameForType(Type type)

{

return type.Name;

}

}

}