using System.Threading;

using DropNetRT.HttpHelpers;

using DropNetRT.Models;

using System.Net.Http;

using System.Threading.Tasks;

namespace DropNetRT

{

public partial class DropNetClient

{

/// <summary>

/// Auth Step 1. Gets a Request Token which is required for the login request

/// </summary>

/// <returns></returns>

public async Task<UserLogin> GetRequestToken()

{

var requestUrl = MakeRequestString("1/oauth/request_token", ApiType.Base);

var request = new HttpRequest(HttpMethod.Get, requestUrl);

_oauthHandler.Authenticate(request);

var response = await _httpClient.SendAsync(request);

string responseBody = await response.Content.ReadAsStringAsync();

UserLogin = GetUserLoginFromParams(responseBody);

SetUserToken(UserLogin);

return UserLogin;

}

/// <summary>

/// Auth Step 3. Once a Request Token has been authorized convert it to an access token for API usage.

/// </summary>

/// <returns></returns>

public async Task<UserLogin> GetAccessToken()

{

var requestUrl = MakeRequestString("1/oauth/access_token", ApiType.Base);

var request = new HttpRequest(HttpMethod.Get, requestUrl);

_oauthHandler.Authenticate(request);

var response = await _httpClient.SendAsync(request);

string responseBody = await response.Content.ReadAsStringAsync();

UserLogin = GetUserLoginFromParams(responseBody);

SetUserToken(UserLogin);

return UserLogin;

}

/// <summary>

/// Gets the account info of the current logged in user

/// </summary>

/// <returns></returns>

public Task<AccountInfo> AccountInfo()

{

return AccountInfo(CancellationToken.None);

}

/// <summary>

/// Gets the account info of the current logged in user

/// </summary>

/// <returns></returns>

public async Task<AccountInfo> AccountInfo(CancellationToken cancellationToken)

{

var requestUrl = MakeRequestString("1/account/info", ApiType.Base);

var request = new HttpRequest(HttpMethod.Get, requestUrl);

var response = await SendAsync<AccountInfo>(request, cancellationToken);

return response;

}

/// <summary>

/// Gets the oauth2 token for current logged in user

/// </summary>

/// <returns></returns>

public Task<string> GetOAuth2Token()

{

return GetOAuth2Token(CancellationToken.None);

}

/// <summary>

/// Gets the oauth2 token for current logged in user

/// </summary>

/// <returns></returns>

public async Task<string> GetOAuth2Token(CancellationToken cancellationToken)

{

var requestUrl = MakeRequestString("1/oauth2/token_from_oauth1", ApiType.Base);

var request = new HttpRequest (HttpMethod.Post, requestUrl);

var response = await SendAsync<OAuth2TokenResponse>(request, cancellationToken);

return response.Token;

}

/// <summary>

/// Disables the access token used to authenticate the call.

/// This method works for OAuth 1 and OAuth 2 tokens.

/// </summary>

public async Task DisableAccessToken(CancellationToken cancellationToken)

{

var requestUrl = MakeRequestString("1/disable_access_token", ApiType.Base);

var request = new HttpRequest(HttpMethod.Post, requestUrl);

await SendAsync(request, cancellationToken);

}

}

}