using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FrameworkDAL.DTO.EIPConversation
{
    public class EIPFlowExecutionResultDTO
    {
        public bool IsCompleted { get; set; }

        public string? FlowCode { get; set; }           // 🔥 ADD
        public string? CurrentStepCode { get; set; }    // 🔥 ADD
        public string? NextStepCode { get; set; }

        public string? ResponseMessage { get; set; }

        /// <summary>Propagated from EIPFlowStepDTO.MessageKey — EIPResponseEngine uses this to
        /// resolve a localized MEIPMESSAGETEMPLATE row, falling back to ResponseMessage if unset
        /// or no template matches.</summary>
        public string? MessageKey { get; set; }

        public string? CapabilityCode { get; set; }
        public string? ActionCode { get; set; }

        public List<EIPButtonDTO> Buttons { get; set; } = new(); // ✅ FIX NULL
        public string? MediaUrl { get; set; }                    // ✅ nullable

        /// <summary>
        /// Populated when a CALL_API or PRESENT step has ResponseFormat configured.
        /// Channel handlers use this to render TABLE, CARD, or LIST; text channels
        /// call EIPTextFormatter.FormatAsText() to produce a plain-text fallback.
        /// </summary>
        public EIPStructuredDataDTO? StructuredData { get; set; }

        /// <summary>QR code data string — channels encode this as a displayable QR image.</summary>
        public string? QrCodeData { get; set; }

        /// <summary>
        /// Input type hint for the next expected user input: "text"|"number"|"date"|"email"|
        /// "phone"|"qr_scan"|"file"|"rating"|"location". AppChat renders the appropriate widget.
        /// </summary>
        public string? InputHint { get; set; }

        /// <summary>Max star value when InputHint="rating".</summary>
        public int? RatingMax { get; set; }

        /// <summary>When true, the channel should prompt the user to share their location.</summary>
        public bool RequestLocation { get; set; }

        /// <summary>SSML or plain-text TTS override for Voice channel responses.</summary>
        public string? VoiceHint { get; set; }
    }
}