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 XiaoMiAuthRequest : DefaultAuthRequest
{
    private static readonly string PREFIX = "&&&START&&&";
    public XiaoMiAuthRequest(ClientConfig config) : base(config, new XiaoMiAuthSource())
    {
    }

    public XiaoMiAuthRequest(ClientConfig config, IAuthStateCache authStateCache)
        : base(config, new XiaoMiAuthSource(), authStateCache)
    {
    }

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

    private AuthToken getToken(string accessTokenUrl)
    {
        string response = HttpUtils.RequestGet(accessTokenUrl);
        string jsonStr = response.Replace(PREFIX, "");
        var accessTokenObject = jsonStr.parseObject();

        if (accessTokenObject.ContainsKey("error"))
        {
            throw new Exception(accessTokenObject.getString("error_description"));
        }

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

        authToken.openId = accessTokenObject.getString("openId");
        authToken.macAlgorithm = accessTokenObject.getString("mac_algorithm");
        authToken.macKey = accessTokenObject.getString("mac_key");

        return authToken;
    }

    protected override AuthUser getUserInfo(AuthToken authToken)
    {
        // 获取用户信息
        string userResponse = doGetUserInfo(authToken);

        var userProfile = userResponse.parseObject();
        if ("error".Equals(userProfile.getString("result"), StringComparison.OrdinalIgnoreCase))
        {
            throw new Exception(userProfile.getString("description"));
        }

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

        var authUser = new AuthUser();
        authUser.uuid = userObj.getString("id");
        authUser.username = userObj.getString("miliaoNick");
        authUser.nickname = userObj.getString("miliaoNick");
        authUser.avatar = userObj.getString("miliaoIcon");
        authUser.email = userObj.getString("mail");
        authUser.gender = AuthUserGender.UNKNOWN;

        authUser.token = authToken;
        authUser.source = source.getName();
        authUser.originalUser = userObj;
        authUser.originalUserStr = userResponse;
        //return authUser;

        // 获取用户邮箱手机号等信息
        string emailPhoneUrl = $"{{https://open.account.xiaomi.com/user/phoneAndEmail}}?clientId={config.clientId}&token={authToken.accessToken}";

        string emailResponse = HttpUtils.RequestGet(emailPhoneUrl);
        var userEmailPhone = emailResponse.parseObject();
        if (!"error".Equals(userEmailPhone.getString("result"), StringComparison.OrdinalIgnoreCase))
        {
            var emailPhone = userEmailPhone.getString("data").parseObject();
            authUser.email = emailPhone.getString("email");
        }
        else
        {
            //Log.warn("小米开发平台暂时不对外开放用户手机及邮箱信息的获取");
        }

        return authUser;
    }

    /**
     * 刷新access token （续期）
     *
     * @param authToken 登录成功后返回的Token信息
     * @return AuthResponse
     */
    public override AuthResponse refresh(AuthToken authToken)
    {
        var token = getToken(refreshTokenUrl(authToken.refreshToken));
        return new AuthResponse(AuthResponseStatus.SUCCESS.GetCode(), AuthResponseStatus.SUCCESS.GetDesc(), token);
    }

    /**
     * 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() ? "user/profile%20user/openIdV2%20user/phoneAndEmail" : config.scope)
            .queryParam("skip_confirm", "false")
            .queryParam("state", getRealState(state))
            .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("clientId", config.clientId)
            .queryParam("token", authToken.accessToken)
            .build();
    }

}