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

namespace JNPF.Extras.CollectiveOAuth.Request;

public class RenrenAuthRequest : DefaultAuthRequest
{
    public RenrenAuthRequest(ClientConfig config) : base(config, new RenrenAuthSource())
    {
    }

    public RenrenAuthRequest(ClientConfig config, IAuthStateCache authStateCache)
        : base(config, new RenrenAuthSource(), authStateCache)
    {
    }

    protected override AuthToken getAccessToken(AuthCallback authCallback)
    {
        return this.getToken(accessTokenUrl(authCallback.code));
    }

    protected override AuthUser getUserInfo(AuthToken authToken)
    {
        var response = doGetUserInfo(authToken);
        var userObj = response.parseObject().getJSONObject("response");

        var authUser = new AuthUser();
        authUser.uuid = userObj.getString("id");
        authUser.username = userObj.getString("name");
        authUser.nickname = userObj.getString("name");
        authUser.avatar = getAvatarUrl(userObj);
        authUser.company = getCompany(userObj);
        authUser.gender = getGender(userObj);

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

    public override AuthResponse refresh(AuthToken authToken)
    {
        var token = getToken(this.refreshTokenUrl(authToken.refreshToken));
        return new AuthResponse(AuthResponseStatus.SUCCESS.GetCode(), AuthResponseStatus.SUCCESS.GetDesc(), token);
    }

    private AuthToken getToken(string url)
    {
        var response = HttpUtils.RequestPost(url);
        var jsonObject = response.parseObject();
        if (jsonObject.ContainsKey("error"))
        {
            throw new Exception("Failed to get token from Renren: " + jsonObject);
        }

        var authToken = new AuthToken();
        authToken.accessToken = jsonObject.getString("access_token");
        authToken.tokenType = jsonObject.getString("token_type");
        authToken.expireIn = jsonObject.getInt32("expires_in");
        authToken.refreshToken = jsonObject.getString("refresh_token");
        authToken.openId = jsonObject.getJSONObject("user").getString("id");

        return authToken;
    }

    private string getAvatarUrl(Dictionary<string, object> userObj)
    {
        var jsonArray = userObj.getJSONArray("avatar");
        if (jsonArray.Count == 0)
        {
            return null;
        }
        return jsonArray[0].getString("url");
    }

    private AuthUserGender getGender(Dictionary<string, object> userObj)
    {
        var basicInformation = userObj.getJSONObject("basicInformation");
        if (basicInformation.Count == 0)
        {
            return AuthUserGender.UNKNOWN;
        }
        return GlobalAuthUtil.getRealGender(basicInformation.getString("sex"));
    }

    private string getCompany(Dictionary<string, object> userObj)
    {
        var jsonArray = userObj.getJSONArray("work");
        if (jsonArray.Count == 0)
        {
            return null;
        }
        return jsonArray[0].getString("name");
    }

    /**
     * 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("userId", authToken.openId)
            .build();
    }

    public override string authorize(string state)
    {
        return UrlBuilder.fromBaseUrl(source.authorize())
            .queryParam("response_type", "code")
            .queryParam("client_id", config.clientId)
            .queryParam("redirect_uri", config.redirectUri)
            .queryParam("state", getRealState(state))
            .queryParam("display", "page")
            .build();
    }
}