using System;
using System.Collections.Generic;
using System.Text.Json.Serialization;

namespace StellaOps.Cli.Services.Models;

// CLI-PARITY-41-002: Notify command models for CLI

/// <summary>
/// Notify channel types.
/// </summary>
[JsonConverter(typeof(JsonStringEnumConverter))]
internal enum NotifyChannelType
{
    Slack,
    Teams,
    Email,
    Webhook,
    Custom,
    PagerDuty,
    OpsGenie,
    Cli,
    InAppInbox,
    InApp
}

/// <summary>
/// Notify delivery status.
/// </summary>
[JsonConverter(typeof(JsonStringEnumConverter))]
internal enum NotifyDeliveryStatus
{
    Pending,
    Sent,
    Failed,
    Throttled,
    Digested,
    Dropped
}

/// <summary>
/// Notify channel list request.
/// </summary>
internal sealed class NotifyChannelListRequest
{
    [JsonPropertyName("tenant")]
    public string? Tenant { get; init; }

    [JsonPropertyName("type")]
    public string? Type { get; init; }

    [JsonPropertyName("enabled")]
    public bool? Enabled { get; init; }

    [JsonPropertyName("limit")]
    public int? Limit { get; init; }

    [JsonPropertyName("offset")]
    public int? Offset { get; init; }

    [JsonPropertyName("cursor")]
    public string? Cursor { get; init; }
}

/// <summary>
/// Notify channel list response.
/// </summary>
internal sealed class NotifyChannelListResponse
{
    [JsonPropertyName("items")]
    public IReadOnlyList<NotifyChannelSummary> Items { get; init; } = [];

    [JsonPropertyName("total")]
    public int Total { get; init; }

    [JsonPropertyName("hasMore")]
    public bool HasMore { get; init; }

    [JsonPropertyName("nextCursor")]
    public string? NextCursor { get; init; }
}

/// <summary>
/// Notify channel summary for list view.
/// </summary>
internal sealed class NotifyChannelSummary
{
    [JsonPropertyName("channelId")]
    public string ChannelId { get; init; } = string.Empty;

    [JsonPropertyName("name")]
    public string Name { get; init; } = string.Empty;

    [JsonPropertyName("displayName")]
    public string? DisplayName { get; init; }

    [JsonPropertyName("type")]
    public string Type { get; init; } = string.Empty;

    [JsonPropertyName("enabled")]
    public bool Enabled { get; init; }

    [JsonPropertyName("createdAt")]
    public DateTimeOffset CreatedAt { get; init; }

    [JsonPropertyName("updatedAt")]
    public DateTimeOffset UpdatedAt { get; init; }

    [JsonPropertyName("deliveryCount")]
    public int DeliveryCount { get; init; }

    [JsonPropertyName("failureRate")]
    public double? FailureRate { get; init; }
}

/// <summary>
/// Detailed notify channel response.
/// </summary>
internal sealed class NotifyChannelDetail
{
    [JsonPropertyName("channelId")]
    public string ChannelId { get; init; } = string.Empty;

    [JsonPropertyName("tenantId")]
    public string TenantId { get; init; } = string.Empty;

    [JsonPropertyName("name")]
    public string Name { get; init; } = string.Empty;

    [JsonPropertyName("displayName")]
    public string? DisplayName { get; init; }

    [JsonPropertyName("description")]
    public string? Description { get; init; }

    [JsonPropertyName("type")]
    public string Type { get; init; } = string.Empty;

    [JsonPropertyName("enabled")]
    public bool Enabled { get; init; }

    [JsonPropertyName("config")]
    public NotifyChannelConfigInfo? Config { get; init; }

    [JsonPropertyName("labels")]
    public IReadOnlyDictionary<string, string>? Labels { get; init; }

    [JsonPropertyName("metadata")]
    public IReadOnlyDictionary<string, string>? Metadata { get; init; }

    [JsonPropertyName("createdBy")]
    public string? CreatedBy { get; init; }

    [JsonPropertyName("createdAt")]
    public DateTimeOffset CreatedAt { get; init; }

    [JsonPropertyName("updatedBy")]
    public string? UpdatedBy { get; init; }

    [JsonPropertyName("updatedAt")]
    public DateTimeOffset UpdatedAt { get; init; }

    [JsonPropertyName("stats")]
    public NotifyChannelStats? Stats { get; init; }

    [JsonPropertyName("health")]
    public NotifyChannelHealth? Health { get; init; }
}

/// <summary>
/// Notify channel configuration info (redacted secrets).
/// </summary>
internal sealed class NotifyChannelConfigInfo
{
    [JsonPropertyName("secretRef")]
    public string SecretRef { get; init; } = string.Empty;

    [JsonPropertyName("target")]
    public string? Target { get; init; }

    [JsonPropertyName("endpoint")]
    public string? Endpoint { get; init; }

    [JsonPropertyName("properties")]
    public IReadOnlyDictionary<string, string>? Properties { get; init; }

    [JsonPropertyName("limits")]
    public NotifyChannelLimitsInfo? Limits { get; init; }
}

/// <summary>
/// Notify channel limits.
/// </summary>
internal sealed class NotifyChannelLimitsInfo
{
    [JsonPropertyName("concurrency")]
    public int? Concurrency { get; init; }

    [JsonPropertyName("requestsPerMinute")]
    public int? RequestsPerMinute { get; init; }

    [JsonPropertyName("timeoutSeconds")]
    public int? TimeoutSeconds { get; init; }

    [JsonPropertyName("maxBatchSize")]
    public int? MaxBatchSize { get; init; }
}

/// <summary>
/// Notify channel statistics.
/// </summary>
internal sealed class NotifyChannelStats
{
    [JsonPropertyName("totalDeliveries")]
    public long TotalDeliveries { get; init; }

    [JsonPropertyName("successfulDeliveries")]
    public long SuccessfulDeliveries { get; init; }

    [JsonPropertyName("failedDeliveries")]
    public long FailedDeliveries { get; init; }

    [JsonPropertyName("throttledDeliveries")]
    public long ThrottledDeliveries { get; init; }

    [JsonPropertyName("lastDeliveryAt")]
    public DateTimeOffset? LastDeliveryAt { get; init; }

    [JsonPropertyName("avgLatencyMs")]
    public double? AvgLatencyMs { get; init; }
}

/// <summary>
/// Notify channel health status.
/// </summary>
internal sealed class NotifyChannelHealth
{
    [JsonPropertyName("status")]
    public string Status { get; init; } = string.Empty;

    [JsonPropertyName("lastCheckAt")]
    public DateTimeOffset? LastCheckAt { get; init; }

    [JsonPropertyName("consecutiveFailures")]
    public int ConsecutiveFailures { get; init; }

    [JsonPropertyName("errorMessage")]
    public string? ErrorMessage { get; init; }
}

/// <summary>
/// Channel test request.
/// </summary>
internal sealed class NotifyChannelTestRequest
{
    [JsonPropertyName("tenant")]
    public string? Tenant { get; init; }

    [JsonPropertyName("channelId")]
    public string ChannelId { get; init; } = string.Empty;

    [JsonPropertyName("message")]
    public string? Message { get; init; }
}

/// <summary>
/// Channel test result.
/// </summary>
internal sealed class NotifyChannelTestResult
{
    [JsonPropertyName("success")]
    public bool Success { get; init; }

    [JsonPropertyName("channelId")]
    public string ChannelId { get; init; } = string.Empty;

    [JsonPropertyName("latencyMs")]
    public long? LatencyMs { get; init; }

    [JsonPropertyName("responseCode")]
    public int? ResponseCode { get; init; }

    [JsonPropertyName("errorMessage")]
    public string? ErrorMessage { get; init; }

    [JsonPropertyName("deliveryId")]
    public string? DeliveryId { get; init; }
}

/// <summary>
/// Notify rule list request.
/// </summary>
internal sealed class NotifyRuleListRequest
{
    [JsonPropertyName("tenant")]
    public string? Tenant { get; init; }

    [JsonPropertyName("enabled")]
    public bool? Enabled { get; init; }

    [JsonPropertyName("eventType")]
    public string? EventType { get; init; }

    [JsonPropertyName("channelId")]
    public string? ChannelId { get; init; }

    [JsonPropertyName("limit")]
    public int? Limit { get; init; }

    [JsonPropertyName("offset")]
    public int? Offset { get; init; }
}

/// <summary>
/// Notify rule list response.
/// </summary>
internal sealed class NotifyRuleListResponse
{
    [JsonPropertyName("items")]
    public IReadOnlyList<NotifyRuleSummary> Items { get; init; } = [];

    [JsonPropertyName("total")]
    public int Total { get; init; }

    [JsonPropertyName("hasMore")]
    public bool HasMore { get; init; }
}

/// <summary>
/// Notify rule summary.
/// </summary>
internal sealed class NotifyRuleSummary
{
    [JsonPropertyName("ruleId")]
    public string RuleId { get; init; } = string.Empty;

    [JsonPropertyName("name")]
    public string Name { get; init; } = string.Empty;

    [JsonPropertyName("description")]
    public string? Description { get; init; }

    [JsonPropertyName("enabled")]
    public bool Enabled { get; init; }

    [JsonPropertyName("eventTypes")]
    public IReadOnlyList<string> EventTypes { get; init; } = [];

    [JsonPropertyName("channelIds")]
    public IReadOnlyList<string> ChannelIds { get; init; } = [];

    [JsonPropertyName("priority")]
    public int Priority { get; init; }

    [JsonPropertyName("matchCount")]
    public long MatchCount { get; init; }
}

/// <summary>
/// Notify delivery list request.
/// </summary>
internal sealed class NotifyDeliveryListRequest
{
    [JsonPropertyName("tenant")]
    public string? Tenant { get; init; }

    [JsonPropertyName("channelId")]
    public string? ChannelId { get; init; }

    [JsonPropertyName("status")]
    public string? Status { get; init; }

    [JsonPropertyName("eventType")]
    public string? EventType { get; init; }

    [JsonPropertyName("since")]
    public DateTimeOffset? Since { get; init; }

    [JsonPropertyName("until")]
    public DateTimeOffset? Until { get; init; }

    [JsonPropertyName("limit")]
    public int? Limit { get; init; }

    [JsonPropertyName("cursor")]
    public string? Cursor { get; init; }
}

/// <summary>
/// Notify delivery list response.
/// </summary>
internal sealed class NotifyDeliveryListResponse
{
    [JsonPropertyName("items")]
    public IReadOnlyList<NotifyDeliverySummary> Items { get; init; } = [];

    [JsonPropertyName("total")]
    public int Total { get; init; }

    [JsonPropertyName("hasMore")]
    public bool HasMore { get; init; }

    [JsonPropertyName("nextCursor")]
    public string? NextCursor { get; init; }
}

/// <summary>
/// Notify delivery summary.
/// </summary>
internal sealed class NotifyDeliverySummary
{
    [JsonPropertyName("deliveryId")]
    public string DeliveryId { get; init; } = string.Empty;

    [JsonPropertyName("channelId")]
    public string ChannelId { get; init; } = string.Empty;

    [JsonPropertyName("channelName")]
    public string? ChannelName { get; init; }

    [JsonPropertyName("channelType")]
    public string ChannelType { get; init; } = string.Empty;

    [JsonPropertyName("eventType")]
    public string EventType { get; init; } = string.Empty;

    [JsonPropertyName("status")]
    public string Status { get; init; } = string.Empty;

    [JsonPropertyName("attemptCount")]
    public int AttemptCount { get; init; }

    [JsonPropertyName("createdAt")]
    public DateTimeOffset CreatedAt { get; init; }

    [JsonPropertyName("sentAt")]
    public DateTimeOffset? SentAt { get; init; }

    [JsonPropertyName("latencyMs")]
    public long? LatencyMs { get; init; }
}

/// <summary>
/// Notify delivery detail.
/// </summary>
internal sealed class NotifyDeliveryDetail
{
    [JsonPropertyName("deliveryId")]
    public string DeliveryId { get; init; } = string.Empty;

    [JsonPropertyName("tenantId")]
    public string TenantId { get; init; } = string.Empty;

    [JsonPropertyName("channelId")]
    public string ChannelId { get; init; } = string.Empty;

    [JsonPropertyName("channelName")]
    public string? ChannelName { get; init; }

    [JsonPropertyName("channelType")]
    public string ChannelType { get; init; } = string.Empty;

    [JsonPropertyName("ruleId")]
    public string? RuleId { get; init; }

    [JsonPropertyName("eventId")]
    public string? EventId { get; init; }

    [JsonPropertyName("eventType")]
    public string EventType { get; init; } = string.Empty;

    [JsonPropertyName("status")]
    public string Status { get; init; } = string.Empty;

    [JsonPropertyName("subject")]
    public string? Subject { get; init; }

    [JsonPropertyName("attemptCount")]
    public int AttemptCount { get; init; }

    [JsonPropertyName("attempts")]
    public IReadOnlyList<NotifyDeliveryAttempt>? Attempts { get; init; }

    [JsonPropertyName("createdAt")]
    public DateTimeOffset CreatedAt { get; init; }

    [JsonPropertyName("sentAt")]
    public DateTimeOffset? SentAt { get; init; }

    [JsonPropertyName("failedAt")]
    public DateTimeOffset? FailedAt { get; init; }

    [JsonPropertyName("errorMessage")]
    public string? ErrorMessage { get; init; }

    [JsonPropertyName("idempotencyKey")]
    public string? IdempotencyKey { get; init; }
}

/// <summary>
/// Notify delivery attempt.
/// </summary>
internal sealed class NotifyDeliveryAttempt
{
    [JsonPropertyName("attemptNumber")]
    public int AttemptNumber { get; init; }

    [JsonPropertyName("status")]
    public string Status { get; init; } = string.Empty;

    [JsonPropertyName("attemptedAt")]
    public DateTimeOffset AttemptedAt { get; init; }

    [JsonPropertyName("latencyMs")]
    public long? LatencyMs { get; init; }

    [JsonPropertyName("responseCode")]
    public int? ResponseCode { get; init; }

    [JsonPropertyName("errorMessage")]
    public string? ErrorMessage { get; init; }
}

/// <summary>
/// Retry delivery request.
/// </summary>
internal sealed class NotifyRetryRequest
{
    [JsonPropertyName("tenant")]
    public string? Tenant { get; init; }

    [JsonPropertyName("deliveryId")]
    public string DeliveryId { get; init; } = string.Empty;

    [JsonPropertyName("idempotencyKey")]
    public string? IdempotencyKey { get; init; }
}

/// <summary>
/// Retry delivery result.
/// </summary>
internal sealed class NotifyRetryResult
{
    [JsonPropertyName("success")]
    public bool Success { get; init; }

    [JsonPropertyName("deliveryId")]
    public string DeliveryId { get; init; } = string.Empty;

    [JsonPropertyName("newStatus")]
    public string? NewStatus { get; init; }

    [JsonPropertyName("errors")]
    public IReadOnlyList<string>? Errors { get; init; }

    [JsonPropertyName("auditEventId")]
    public string? AuditEventId { get; init; }
}

/// <summary>
/// Send notification request.
/// </summary>
internal sealed class NotifySendRequest
{
    [JsonPropertyName("tenant")]
    public string? Tenant { get; init; }

    [JsonPropertyName("channelId")]
    public string? ChannelId { get; init; }

    [JsonPropertyName("eventType")]
    public string EventType { get; init; } = string.Empty;

    [JsonPropertyName("subject")]
    public string? Subject { get; init; }

    [JsonPropertyName("body")]
    public string Body { get; init; } = string.Empty;

    [JsonPropertyName("severity")]
    public string? Severity { get; init; }

    [JsonPropertyName("metadata")]
    public IReadOnlyDictionary<string, string>? Metadata { get; init; }

    [JsonPropertyName("idempotencyKey")]
    public string? IdempotencyKey { get; init; }
}

/// <summary>
/// Send notification result.
/// </summary>
internal sealed class NotifySendResult
{
    [JsonPropertyName("success")]
    public bool Success { get; init; }

    [JsonPropertyName("eventId")]
    public string? EventId { get; init; }

    [JsonPropertyName("deliveryIds")]
    public IReadOnlyList<string>? DeliveryIds { get; init; }

    [JsonPropertyName("channelsMatched")]
    public int ChannelsMatched { get; init; }

    [JsonPropertyName("errors")]
    public IReadOnlyList<string>? Errors { get; init; }

    [JsonPropertyName("idempotencyKey")]
    public string? IdempotencyKey { get; init; }
}