package me.zhyd.oauth.request;

import com.alibaba.fastjson.JSONObject;
import com.xkcoding.http.support.HttpHeader;
import me.zhyd.oauth.cache.AuthStateCache;
import me.zhyd.oauth.config.AuthConfig;
import me.zhyd.oauth.config.AuthDefaultSource;
import me.zhyd.oauth.enums.AuthResponseStatus;
import me.zhyd.oauth.enums.AuthUserGender;
import me.zhyd.oauth.enums.scope.AuthWeiboScope;
import me.zhyd.oauth.exception.AuthException;
import me.zhyd.oauth.model.AuthCallback;
import me.zhyd.oauth.model.AuthResponse;
import me.zhyd.oauth.model.AuthToken;
import me.zhyd.oauth.model.AuthUser;
import me.zhyd.oauth.utils.HttpUtils;
import me.zhyd.oauth.utils.IpUtils;
import me.zhyd.oauth.utils.StringUtils;
import me.zhyd.oauth.utils.UrlBuilder;


/**
 * 微博登录
 *
 * @author yadong.zhang (yadong.zhang0415(a)gmail.com)
 * @since 1.0.0
 */
public class AuthWeiboRequest extends AuthDefaultRequest {

    public AuthWeiboRequest(AuthConfig config) {
        super(config, AuthDefaultSource.WEIBO);
    }

    public AuthWeiboRequest(AuthConfig config, AuthStateCache authStateCache) {
        super(config, AuthDefaultSource.WEIBO, authStateCache);
    }

    @Override
    protected AuthToken getAccessToken(AuthCallback authCallback) {
        String response = doPostAuthorizationCode(authCallback.getCode());
        JSONObject accessTokenObject = JSONObject.parseObject(response);
        if (accessTokenObject.containsKey("error")) {
            throw new AuthException(accessTokenObject.getString("error_description"));
        }
        return AuthToken.builder()
            .accessToken(accessTokenObject.getString("access_token"))
            .uid(accessTokenObject.getString("uid"))
            .openId(accessTokenObject.getString("uid"))
            .expireIn(accessTokenObject.getIntValue("expires_in"))
            .build();
    }

    @Override
    protected AuthUser getUserInfo(AuthToken authToken) {
        String accessToken = authToken.getAccessToken();
        String uid = authToken.getUid();
        String oauthParam = String.format("uid=%s&access_token=%s", uid, accessToken);

        HttpHeader httpHeader = new HttpHeader();
        httpHeader.add("Authorization", "OAuth2 " + oauthParam);
        httpHeader.add("API-RemoteIP", IpUtils.getLocalIp());
        String userInfo = new HttpUtils(config.getHttpConfig()).get(userInfoUrl(authToken), null, httpHeader, false);
        JSONObject object = JSONObject.parseObject(userInfo);
        if (object.containsKey("error")) {
            throw new AuthException(object.getString("error"));
        }
        return AuthUser.builder()
            .rawUserInfo(object)
            .uuid(object.getString("id"))
            .username(object.getString("name"))
            .avatar(object.getString("profile_image_url"))
            .blog(StringUtils.isEmpty(object.getString("url")) ? "https://weibo.com/" + object.getString("profile_url") : object
                .getString("url"))
            .nickname(object.getString("screen_name"))
            .location(object.getString("location"))
            .remark(object.getString("description"))
            .gender(AuthUserGender.getRealGender(object.getString("gender")))
            .token(authToken)
            .source(source.toString())
            .build();
    }

    /**
     * 返回获取userInfo的url
     *
     * @param authToken authToken
     * @return 返回获取userInfo的url
     */
    @Override
    protected String userInfoUrl(AuthToken authToken) {
        return UrlBuilder.fromBaseUrl(source.userInfo())
            .queryParam("access_token", authToken.getAccessToken())
            .queryParam("uid", authToken.getUid())
            .build();
    }

    @Override
    public String authorize(String state) {
        return UrlBuilder.fromBaseUrl(super.authorize(state))
            .queryParam("scope", this.getScopes(",", false, AuthWeiboScope.getDefaultScopes()))
            .build();
    }

    @Override
    public AuthResponse revoke(AuthToken authToken) {
        String response = doGetRevoke(authToken);
        JSONObject object = JSONObject.parseObject(response);
        if (object.containsKey("error")) {
            return AuthResponse.builder()
                .code(AuthResponseStatus.FAILURE.getCode())
                .msg(object.getString("error"))
                .build();
        }
        // 返回 result = true 表示取消授权成功，否则失败
        AuthResponseStatus status = object.getBooleanValue("result") ? AuthResponseStatus.SUCCESS : AuthResponseStatus.FAILURE;
        return AuthResponse.builder().code(status.getCode()).msg(status.getMsg()).build();
    }
}