using System;

namespace ZB.MOM.WW.CBDDC.Core.Exceptions;

/// <summary>
/// Base exception for all CBDDC-related errors.
/// </summary>
public class CBDDCException : Exception
{
    /// <summary>
    /// Error code for programmatic error handling.
    /// </summary>
    public string ErrorCode { get; }

    /// <summary>
    /// Initializes a new instance of the <see cref="CBDDCException"/> class.
    /// </summary>
    /// <param name="errorCode">The application-specific error code.</param>
    /// <param name="message">The exception message.</param>
    public CBDDCException(string errorCode, string message)
        : base(message)
    {
        ErrorCode = errorCode;
    }

    /// <summary>
    /// Initializes a new instance of the <see cref="CBDDCException"/> class.
    /// </summary>
    /// <param name="errorCode">The application-specific error code.</param>
    /// <param name="message">The exception message.</param>
    /// <param name="innerException">The exception that caused the current exception.</param>
    public CBDDCException(string errorCode, string message, Exception innerException)
        : base(message, innerException)
    {
        ErrorCode = errorCode;
    }
}

/// <summary>
/// Exception thrown when network operations fail.
/// </summary>
public class NetworkException : CBDDCException
{
    /// <summary>
    /// Initializes a new instance of the <see cref="NetworkException"/> class.
    /// </summary>
    /// <param name="message">The exception message.</param>
    public NetworkException(string message)
        : base("NETWORK_ERROR", message) { }

    /// <summary>
    /// Initializes a new instance of the <see cref="NetworkException"/> class.
    /// </summary>
    /// <param name="message">The exception message.</param>
    /// <param name="innerException">The exception that caused the current exception.</param>
    public NetworkException(string message, Exception innerException)
        : base("NETWORK_ERROR", message, innerException) { }
}

/// <summary>
/// Exception thrown when persistence operations fail.
/// </summary>
public class PersistenceException : CBDDCException
{
    /// <summary>
    /// Initializes a new instance of the <see cref="PersistenceException"/> class.
    /// </summary>
    /// <param name="message">The exception message.</param>
    public PersistenceException(string message)
        : base("PERSISTENCE_ERROR", message) { }

    /// <summary>
    /// Initializes a new instance of the <see cref="PersistenceException"/> class.
    /// </summary>
    /// <param name="message">The exception message.</param>
    /// <param name="innerException">The exception that caused the current exception.</param>
    public PersistenceException(string message, Exception innerException)
        : base("PERSISTENCE_ERROR", message, innerException) { }
}

/// <summary>
/// Exception thrown when synchronization operations fail.
/// </summary>
public class SyncException : CBDDCException
{
    /// <summary>
    /// Initializes a new instance of the <see cref="SyncException"/> class.
    /// </summary>
    /// <param name="message">The exception message.</param>
    public SyncException(string message)
        : base("SYNC_ERROR", message) { }

    /// <summary>
    /// Initializes a new instance of the <see cref="SyncException"/> class.
    /// </summary>
    /// <param name="message">The exception message.</param>
    /// <param name="innerException">The exception that caused the current exception.</param>
    public SyncException(string message, Exception innerException)
        : base("SYNC_ERROR", message, innerException) { }
}

/// <summary>
/// Exception thrown when configuration is invalid.
/// </summary>
public class ConfigurationException : CBDDCException
{
    /// <summary>
    /// Initializes a new instance of the <see cref="ConfigurationException"/> class.
    /// </summary>
    /// <param name="message">The exception message.</param>
    public ConfigurationException(string message)
        : base("CONFIG_ERROR", message) { }
}

/// <summary>
/// Exception thrown when database corruption is detected.
/// </summary>
public class DatabaseCorruptionException : PersistenceException
{
    /// <summary>
    /// Initializes a new instance of the <see cref="DatabaseCorruptionException"/> class.
    /// </summary>
    /// <param name="message">The exception message.</param>
    public DatabaseCorruptionException(string message)
        : base(message) { }

    /// <summary>
    /// Initializes a new instance of the <see cref="DatabaseCorruptionException"/> class.
    /// </summary>
    /// <param name="message">The exception message.</param>
    /// <param name="innerException">The exception that caused the current exception.</param>
    public DatabaseCorruptionException(string message, Exception innerException)
        : base(message, innerException) { }
}

/// <summary>
/// Exception thrown when a timeout occurs.
/// </summary>
public class TimeoutException : CBDDCException
{
    /// <summary>
    /// Initializes a new instance of the <see cref="TimeoutException"/> class.
    /// </summary>
    /// <param name="operation">The operation that timed out.</param>
    /// <param name="timeoutMs">The timeout in milliseconds.</param>
    public TimeoutException(string operation, int timeoutMs)
        : base("TIMEOUT_ERROR", $"Operation '{operation}' timed out after {timeoutMs}ms") { }
}


/// <summary>
/// Exception thrown when a document is not found in a collection.
/// </summary>
public class DocumentNotFoundException : PersistenceException
{
    /// <summary>
    /// Gets the document key that was not found.
    /// </summary>
    public string Key { get; }

    /// <summary>
    /// Gets the collection where the document was searched.
    /// </summary>
    public string Collection { get; }

    /// <summary>
    /// Initializes a new instance of the <see cref="DocumentNotFoundException"/> class.
    /// </summary>
    /// <param name="collection">The collection where the document was searched.</param>
    /// <param name="key">The document key that was not found.</param>
    public DocumentNotFoundException(string collection, string key)
        : base($"Document with key '{key}' not found in collection '{collection}'.")
    {
        Collection = collection;
        Key = key;
    }
}

/// <summary>
/// Exception thrown when a concurrency conflict occurs during persistence operations.
/// </summary>
public class CBDDCConcurrencyException : PersistenceException
{
    /// <summary>
    /// Initializes a new instance of the <see cref="CBDDCConcurrencyException"/> class.
    /// </summary>
    /// <param name="message">The exception message.</param>
    public CBDDCConcurrencyException(string message) : base(message) { }
}