using System;
using System.Collections.Generic;

namespace FrameworkDAL.DTO.EIPConversation
{
    public class EIPExecutionResultDTO
    {
        /// <summary>
        /// Tenant Identifier
        /// </summary>
        public int TenantId { get; set; }

        /// <summary>
        /// Channel Type (WhatsApp, Telegram, Slack, Web, etc.)
        /// </summary>
        public EIPChannelType ChannelType { get; set; }

        /// <summary>
        /// Unique user identifier (phone/email/userId/etc.)
        /// </summary>
        public string UserIdentifier { get; set; } = string.Empty;

        /// <summary>
        /// Flow that was executed
        /// </summary>
        public string FlowCode { get; set; } = string.Empty;

        /// <summary>
        /// Conversation Id for tracking
        /// </summary>
        public int ConversationId { get; set; }

        /// <summary>
        /// Current step executed
        /// </summary>
        public string? CurrentStepCode { get; set; }

        /// <summary>
        /// Next step determined by transition
        /// </summary>
        public string? NextStepCode { get; set; }

        /// <summary>
        /// Final response message generated
        /// </summary>
        public string? ResponseMessage { get; set; }

        /// <summary>
        /// Indicates if flow execution completed
        /// </summary>
        public bool IsCompleted { get; set; }

        /// <summary>
        /// Indicates if execution was successful
        /// </summary>
        public bool IsSuccess { get; set; } = true;

        /// <summary>
        /// Error message if execution failed
        /// </summary>
        public string? ErrorMessage { get; set; }

        /// <summary>
        /// Structured response (buttons, attachments, cards etc.)
        /// Used by Response Engine
        /// </summary>
        public object? ChannelResponse { get; set; }

        /// <summary>
        /// Execution metadata (timings, risk score, OTP status etc.)
        /// </summary>
        public Dictionary<string, object> Metadata { get; set; } = new();

        /// <summary>
        /// Execution Phase Trace (Normalizer, Routing, Flow, Capability, Action, Response)
        /// Used for debugging and monitoring
        /// </summary>
        public List<EIPExecutionPhaseDTO> PhaseTrace { get; set; } = new();

        /// <summary>
        /// Populated when a CALL_API or PRESENT step has ResponseFormat configured.
        /// AppChat renders TABLE/CARD/LIST natively; text channels receive a plain-text fallback.
        /// </summary>
        public EIPStructuredDataDTO? StructuredData { get; set; }

        public string? QrCodeData { get; set; }
        public string? InputHint { get; set; }
        public int? RatingMax { get; set; }
        public bool RequestLocation { get; set; }
        public string? VoiceHint { get; set; }

        /// <summary>
        /// Interactive buttons from CHOICE or DYNAMIC_CHOICE steps.
        /// AppChat renders these as clickable reply buttons.
        /// </summary>
        public List<EIPButtonDTO>? Buttons { get; set; }
    }

    public class EIPExecutionPhaseDTO
    {
        /// <summary>
        /// Phase Name (Normalizer, Routing, Flow, Capability, Action, Response)
        /// </summary>
        public string PhaseName { get; set; } = string.Empty;

        /// <summary>
        /// Status (SUCCESS, FAILED, SKIPPED)
        /// </summary>
        public string Status { get; set; } = string.Empty;

        /// <summary>
        /// Description of execution
        /// </summary>
        public string? Description { get; set; }

        /// <summary>
        /// Optional phase data
        /// </summary>
        public object? Data { get; set; }

        /// <summary>
        /// Execution time for phase
        /// </summary>
        public DateTime Timestamp { get; set; } = DateTime.UtcNow;
    }
}