using System;
using System.Collections.Generic;

namespace NexusReader.Application.DTOs.Creator;

/// <summary>
/// Telemetry metrics for the Creator Dashboard.
/// </summary>
public record DashboardMetricsDto(
    int TotalReads,
    double AvgReadTimeMinutes,
    int ActiveReaders,
    decimal GrossRevenue
);

/// <summary>
/// Lightweight revision details for the Creator Dashboard.
/// </summary>
public record CreatorBookRevisionDto(
    Guid Id,
    string VersionString,
    bool IsPublished,
    DateTime CreatedAt,
    DateTime? PublishedAt
);

/// <summary>
/// Lightweight book publication details for the Creator Dashboard.
/// </summary>
public record CreatorBookDto(
    Guid Id,
    string Title,
    int WordCount,
    int AggregatedReads,
    Guid? FirstChapterId,
    CreatorBookRevisionDto? LivePublishedRevision,
    CreatorBookRevisionDto? CurrentDraftRevision
);

/// <summary>
/// Root data envelope for Creator Dashboard loading.
/// </summary>
public record CreatorDashboardDataDto(
    DashboardMetricsDto Metrics,
    List<CreatorBookDto> Books
);

/// <summary>
/// Request DTO for creating a new Book.
/// </summary>
public record CreateBookRequestDto(
    string Title,
    string? Description
);

/// <summary>
/// Response DTO for creating a new Book.
/// </summary>
public record CreateBookResponseDto(
    Guid BookId
);