using FastEndpoints;
using MediatR;
using Microsoft.AspNetCore.Mvc;
using Fengling.Member.Application.Commands.Member;

namespace Fengling.Member.Web.Endpoints.v1;

public class BindWechatEndpoint : Endpoint<BindWechatRequest, BindWechatResponse>
{
    private readonly IMediator _mediator;

    public BindWechatEndpoint(IMediator mediator)
    {
        _mediator = mediator;
    }

    public override void Configure()
    {
        Post("/api/v1/members/{MemberId}/wechat");
        Summary(s =>
        {
            s.Summary = "绑定微信";
            s.Description = "为会员绑定微信OpenID";
        });
    }

    public override async Task HandleAsync(BindWechatRequest req, CancellationToken ct)
    {
        var command = new BindWechatCommand
        {
            MemberId = req.MemberId,
            OpenId = req.OpenId,
            UnionId = req.UnionId
        };

        var result = await _mediator.Send(command, ct);

        Response = new BindWechatResponse
        {
            MemberId = result.MemberId,
            OpenId = result.OpenId,
            UnionId = result.UnionId,
            BoundAt = result.BoundAt
        };
    }
}

public class BindWechatRequest
{
    [FromRoute]
    public long MemberId { get; set; }
    public string OpenId { get; set; } = string.Empty;
    public string? UnionId { get; set; }
}

public class BindWechatResponse
{
    public long MemberId { get; set; }
    public string OpenId { get; set; } = string.Empty;
    public string? UnionId { get; set; }
    public DateTime BoundAt { get; set; }
}