using JNPF.Extras.CollectiveOAuth.Cache;
using JNPF.Extras.CollectiveOAuth.Config;
using JNPF.Extras.CollectiveOAuth.Models;
using JNPF.Extras.CollectiveOAuth.Utils;

namespace JNPF.Extras.CollectiveOAuth.Request;

public class OschinaAuthRequest : DefaultAuthRequest
{
    public OschinaAuthRequest(ClientConfig config) : base(config, new OschinaAuthSource())
    {
    }

    public OschinaAuthRequest(ClientConfig config, IAuthStateCache authStateCache)
        : base(config, new OschinaAuthSource(), authStateCache)
    {
    }

    protected override AuthToken getAccessToken(AuthCallback authCallback)
    {
        string response = doPostAuthorizationCode(authCallback.code);
        var accessTokenObject = response.parseObject();
        this.checkResponse(accessTokenObject);

        var authToken = new AuthToken();
        authToken.accessToken = accessTokenObject.getString("access_token");
        authToken.refreshToken = accessTokenObject.getString("refresh_token");
        authToken.uid = accessTokenObject.getString("uid");
        authToken.expireIn = accessTokenObject.getInt32("expires_in");
        authToken.code = authCallback.code;
        return authToken;
    }

    protected override AuthUser getUserInfo(AuthToken authToken)
    {
        string response = doGetUserInfo(authToken);

        var userObj = response.parseObject();
        this.checkResponse(userObj);

        var authUser = new AuthUser();
        authUser.uuid = userObj.getString("id");
        authUser.username = userObj.getString("name");
        authUser.nickname = userObj.getString("name");
        authUser.avatar = userObj.getString("avatar");
        authUser.blog = userObj.getString("url");
        authUser.location = userObj.getString("location");
        authUser.email = userObj.getString("email");
        authUser.gender = GlobalAuthUtil.getRealGender(userObj.getString("gender"));

        authUser.token = authToken;
        authUser.source = source.getName();
        authUser.originalUser = userObj;
        authUser.originalUserStr = response;
        return authUser;
    }

    /**
     * 返回获取accessToken的url
     *
     * @param code 授权回调时带回的授权码
     * @return 返回获取accessToken的url
     */
    protected override string accessTokenUrl(string code)
    {
        return UrlBuilder.fromBaseUrl(source.accessToken())
            .queryParam("code", code)
            .queryParam("client_id", config.clientId)
            .queryParam("client_secret", config.clientSecret)
            .queryParam("grant_type", "authorization_code")
            .queryParam("redirect_uri", config.redirectUri)
            .queryParam("dataType", "json")
            .build();
    }

    /**
     * 返回获取userInfo的url
     *
     * @param authToken 用户授权后的token
     * @return 返回获取userInfo的url
     */
    protected override string userInfoUrl(AuthToken authToken)
    {
        return UrlBuilder.fromBaseUrl(source.userInfo())
            .queryParam("access_token", authToken.accessToken)
            .queryParam("dataType", "json")
            .build();
    }


    /**
   * 校验请求结果
   *
   * @param response 请求结果
   * @return 如果请求结果正常，则返回Exception
   */
    private void checkResponse(Dictionary<string, object> dic)
    {
        if (dic.ContainsKey("error"))
        {
            throw new Exception($"{dic.getString("error_description")}");
        }
    }
}