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 BaiduAuthRequest : DefaultAuthRequest
{
    public BaiduAuthRequest(ClientConfig config) : base(config, new BaiduAuthSource())
    {
    }

    public BaiduAuthRequest(ClientConfig config, IAuthStateCache authStateCache)
        : base(config, new BaiduAuthSource(), 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.expireIn = accessTokenObject.getInt32("expires_in");
        authToken.scope = accessTokenObject.getString("scope");

        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("userid");
        authUser.username = userObj.getString("username");
        authUser.nickname = userObj.getString("username");

        string protrait = userObj.getString("portrait");
        authUser.avatar = protrait.IsNullOrWhiteSpace() ? null : string.Format("http://himg.bdimg.com/sys/portrait/item/{0}.jpg", protrait);

        authUser.remark = userObj.getString("userdetail");
        authUser.gender = GlobalAuthUtil.getRealGender(userObj.getString("sex"));

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

    public override AuthResponse revoke(AuthToken authToken)
    {
        string response = doGetRevoke(authToken);
        var revokeObj = response.parseObject();
        this.checkResponse(revokeObj);
        // 返回1表示取消授权成功，否则失败
        AuthResponseStatus status = revokeObj.getInt32("result") == 1 ? AuthResponseStatus.SUCCESS : AuthResponseStatus.FAILURE;
        return new AuthResponse(status.GetCode(), status.GetDesc());
    }

    public override AuthResponse refresh(AuthToken authToken)
    {
        string refreshUrl = UrlBuilder.fromBaseUrl(this.source.refresh())
            .queryParam("grant_type", "refresh_token")
            .queryParam("refresh_token", authToken.refreshToken)
            .queryParam("client_id", this.config.clientId)
            .queryParam("client_secret", this.config.clientSecret)
            .build();
        string response = HttpUtils.RequestGet(refreshUrl);
        var accessTokenObject = response.parseObject();
        this.checkResponse(accessTokenObject);

        var newAuthToken = new AuthToken();
        newAuthToken.accessToken = accessTokenObject.getString("access_token");
        newAuthToken.refreshToken = accessTokenObject.getString("refresh_token");
        newAuthToken.expireIn = accessTokenObject.getInt32("expires_in");
        newAuthToken.scope = accessTokenObject.getString("scope");

        return new AuthResponse(AuthResponseStatus.SUCCESS.GetCode(), AuthResponseStatus.SUCCESS.GetDesc(), newAuthToken);
    }

    /**
     * 返回带{@code state}参数的授权url，授权回调时会带上这个{@code state}
     *
     * @param state state 验证授权流程的参数，可以防止csrf
     * @return 返回授权地址
     * @since 1.9.3
     */
    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("display", "page")
            .queryParam("scope", "basic")
            .queryParam("state", getRealState(state))
            .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JSONObject
     */
    private void checkResponse(Dictionary<string, object> dic)
    {
        if (dic.ContainsKey("error") || dic.ContainsKey("error_code"))
        {
            throw new Exception($@"error_code: {dic.getString("error_code")}," +
                $" error_description: {dic.getString("error_description")}," +
                $" error_msg: {dic.getString("error_msg")}");
        }
    }
}