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

namespace qdr.app.studiou.orders2printpack.EmailStorage
{
    /// <summary>
    /// Configuration class for the EmailStorageProcessor containing all necessary
    /// settings for TSS (Temporary Shared Storage) API and SMTP server connectivity.
    /// This class is designed to be serialized/deserialized from JSON configuration files.
    /// </summary>
    public class EmailProcessorConfiguration
    {
        #region TSS API Configuration

        /// <summary>
        /// API key for accessing the Temporary Shared Storage (TSS) service.
        /// This key is required for file upload operations to the shared storage.
        /// </summary>
        [JsonPropertyName("tss-api-key")]
        [JsonRequired]
        public string TssAPIKey { get; set; } = string.Empty;
        
        /// <summary>
        /// Base URL for the Temporary Shared Storage (TSS) API endpoint.
        /// Should include the protocol (https://) and domain.
        /// </summary>
        [JsonPropertyName("tss-url")]
        [JsonRequired]
        public string TssUrl { get; set; } = string.Empty;

        #endregion

        #region SMTP Server Configuration

        /// <summary>
        /// SMTP server hostname or IP address for sending emails.
        /// Examples: smtp.gmail.com, mail.company.com, 192.168.1.100
        /// </summary>
        [JsonPropertyName("smtp-server")]
        [JsonRequired]
        public string SmtpServer { get; set; } = string.Empty;
        
        /// <summary>
        /// SMTP server port number for email communication.
        /// Common ports: 25 (plain), 587 (STARTTLS), 465 (SSL/TLS)
        /// Defaults to 587 which is the standard submission port with STARTTLS.
        /// </summary>
        [JsonPropertyName("smtp-server-port")]
        [JsonRequired]
        public int SmtpServerPort { get; set; } = 587; // Default SMTP submission port
        
        /// <summary>
        /// Username for SMTP server authentication.
        /// This is typically an email address or account name depending on the server.
        /// </summary>
        [JsonPropertyName("smtp-server-user")]
        [JsonRequired]
        public string SmtpServerUser { get; set; } = string.Empty;
        
        /// <summary>
        /// Password for SMTP server authentication.
        /// For security, consider using app-specific passwords when available.
        /// This value should be kept secure and not logged.
        /// </summary>
        [JsonPropertyName("smtp-server-pwd")]
        [JsonRequired]
        public string SmtpServerPassword { get; set; } = string.Empty;
        
        /// <summary>
        /// Indicates whether to enable SSL/TLS encryption for SMTP communication.
        /// Defaults to true for security. Most modern SMTP servers require encryption.
        /// </summary>
        [JsonPropertyName("smtp-enable-ssl")]
        public bool SmtpEnableSsl { get; set; } = true; // Default to secure connection

        #endregion
    }
}