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 PinterestAuthRequest : DefaultAuthRequest
{
    public PinterestAuthRequest(ClientConfig config) : base(config, new PinterestAuthSource())
    {
    }

    public PinterestAuthRequest(ClientConfig config, IAuthStateCache authStateCache)
        : base(config, new PinterestAuthSource(), authStateCache)
    {
    }

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

        var authToken = new AuthToken
        {
            accessToken = accessTokenObject.getString("access_token"),
            tokenType = accessTokenObject.getString("token_type"),
            code = authCallback.code
        };

        return authToken;
    }

    protected override AuthUser getUserInfo(AuthToken authToken)
    {
        string userinfoUrl = userInfoUrl(authToken);
        var response = HttpUtils.RequestGet(userinfoUrl);
        var responseObj = response.parseObject();
        this.checkResponse(responseObj);

        var userObj = responseObj.getString("data").parseObject();

        var authUser = new AuthUser();
        authUser.uuid = userObj.getString("id");
        authUser.username = userObj.getString("username");
        authUser.nickname = userObj.getString("first_name") + userObj.getString("last_name");
        authUser.avatar = getAvatarUrl(userObj);
        authUser.remark = userObj.getString("bio");
        authUser.gender = AuthUserGender.UNKNOWN;
        authUser.token = authToken;
        authUser.source = source.getName();
        authUser.originalUser = responseObj;
        authUser.originalUserStr = response;
        return authUser;
    }


    private string getAvatarUrl(Dictionary<string, object> userObj)
    {
        // image is a map data structure
        var jsonObject = userObj.getString("image").parseObject();
        if (jsonObject.Count == 0)
        {
            return null;
        }
        return jsonObject.getString("60x60").parseObject().getString("url");
    }

    /**
     * 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("scope", config.scope.IsNullOrWhiteSpace() ? "read_public" : config.scope)
            .queryParam("state", getRealState(state))
            .build();
    }

    /**
     * 返回获取userInfo的url
     *
     * @param authToken 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("fields", "id,username,first_name,last_name,bio,image")
            .build();
    }


    /**
     * 检查响应内容是否正确
     *
     * @param object 请求响应内容
     */
    private void checkResponse(Dictionary<string, object> dic)
    {
        if (dic.ContainsKey("status") && "failure".Equals(dic.getString("status")))
        {
            throw new Exception($"{dic.getString("message")}");
        }
    }
}