using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;
using Microsoft.IdentityModel.Tokens;

namespace Bunny.Common.Utils.Jwt;

public static partial class JwtUtil
{
    /// <summary>
    ///     生成token
    /// </summary>
    /// <param name="data">实体类数据</param>
    /// <param name="day">多少天之后过期</param>
    /// <returns>生成好的token</returns>
    public static string GenerateJwt<T>(T data, int day = Day)
    {
        if (data == null) return "";
        // 初始化字典
        var propertyInfos = data.GetType().GetProperties();
        var claims = (from propertyInfo in propertyInfos
            let name = propertyInfo.Name
            let value = propertyInfo.GetValue(data)?.ToString()
            select value.IsNullOrEmpty() ? new Claim(name, "") : new Claim(name, value!)).ToList();

        // 生成token
        var token = new JwtSecurityToken(expires: DateTime.UtcNow.AddDays(day), claims: claims);

        return new JwtSecurityTokenHandler().WriteToken(token);
    }

    /// <summary>
    ///     生成token
    /// </summary>
    /// <param name="claims">负载，放入你的内容</param>
    /// <param name="day">多少天之后过期</param>
    /// <returns>生成好的token</returns>
    public static string GenerateJwt(IEnumerable<Claim>? claims = default, int day = Day)
    {
        var token = new JwtSecurityToken(expires: DateTime.UtcNow.AddDays(day), claims: claims);

        return new JwtSecurityTokenHandler().WriteToken(token);
    }

    /// <summary>
    ///     生成token
    /// </summary>
    /// <param name="jwtKey">生成JWT的key</param>
    /// <param name="claims">负载，放入你的内容</param>
    /// <param name="day">多少天之后过期</param>
    /// <returns>生成好的token</returns>
    public static string GenerateJwt(string jwtKey = JwtKey, IEnumerable<Claim>? claims = default, int day = Day)
    {
        var token = new JwtSecurityToken(
            expires: DateTime.UtcNow.AddDays(day),
            claims: claims,
            signingCredentials: Credentials(jwtKey));

        return new JwtSecurityTokenHandler().WriteToken(token);
    }

    /// <summary>
    ///     生成token
    /// </summary>
    /// <param name="issuer">授权</param>
    /// <param name="audience">认证</param>
    /// <param name="jwtKey">生成JWT的key</param>
    /// <param name="claims">负载，放入你的内容</param>
    /// <param name="day">多少天之后过期</param>
    /// <returns>生成好的token</returns>
    public static string GenerateJwt(string issuer, string audience, string jwtKey = JwtKey,
        IEnumerable<Claim>? claims = default, int day = Day)
    {
        var token = new JwtSecurityToken(
            issuer,
            audience,
            expires: DateTime.UtcNow.AddDays(day),
            claims: claims,
            signingCredentials: Credentials(jwtKey));

        return new JwtSecurityTokenHandler().WriteToken(token);
    }
}