using FluentValidation;

namespace FileService.WebApi.Controllers.FileTask
{
    public class FileTaskInitRequest
    {
        public Guid ConversationId { get; set; }
        public string? ChatType { get; set; }
        public Guid? TargetId { get; set; }
        public string FileName { get; set; } = string.Empty;
        public long FileSize { get; set; }
        public string ContentType { get; set; } = string.Empty;
        public string CheckSum { get; set; } = string.Empty;

    }
    public class FileTaskInitRequestValidator: AbstractValidator<FileTaskInitRequest>
    {
        public FileTaskInitRequestValidator()
        {
            RuleFor(x => x.FileName).NotEmpty().MaximumLength(255);
            RuleFor(x => x.FileSize).GreaterThan(0);
            RuleFor(x => x.ContentType).NotEmpty().MaximumLength(255);
            RuleFor(x => x.CheckSum).NotEmpty().MaximumLength(128);
            RuleFor(x => x.ChatType)
                .Must(value => string.IsNullOrWhiteSpace(value) ||
                    value.Equals("PRIVATE", StringComparison.OrdinalIgnoreCase) ||
                    value.Equals("GROUP", StringComparison.OrdinalIgnoreCase))
                .WithMessage("chatType 必须为 PRIVATE 或 GROUP");
            RuleFor(x => x.TargetId)
                .NotEmpty()
                .When(x => !string.IsNullOrWhiteSpace(x.ChatType));
        }
    }
}