using System.ComponentModel.DataAnnotations;
using PlotLine.Models;

namespace PlotLine.ViewModels;

public sealed class OnboardingWizardViewModel
{
    public string CurrentStep { get; set; } = OnboardingSteps.Welcome;
    public int StepNumber { get; set; } = 1;
    public int TotalSteps { get; set; } = 6;
    public string? WritingJourney { get; set; }
    public string? WritingSoftware { get; set; }
    public int? ProjectID { get; set; }
    public int? BookID { get; set; }
    public string? SelectedProjectName { get; set; }
    public string? SelectedBookTitle { get; set; }
    public bool IsMicrosoftWordPath => string.Equals(WritingSoftware, WritingSoftwareValues.MicrosoftWord, StringComparison.Ordinal);
    public IReadOnlyList<OnboardingOptionViewModel> Options { get; set; } = [];
    public IReadOnlyList<OnboardingProjectOptionViewModel> ProjectOptions { get; set; } = [];
    public IReadOnlyList<OnboardingBookOptionViewModel> BookOptions { get; set; } = [];
    public ProjectOnboardingForm ProjectForm { get; set; } = new();
    public BookOnboardingForm BookForm { get; set; } = new();
}

public sealed class OnboardingOptionViewModel
{
    public string Value { get; init; } = string.Empty;
    public string Title { get; init; } = string.Empty;
    public string Description { get; init; } = string.Empty;
    public string? Badge { get; init; }
}

public sealed class WritingJourneyOnboardingForm
{
    [Required(ErrorMessage = "Choose the closest writing stage before continuing.")]
    public string? WritingJourney { get; set; }
}

public sealed class WritingSoftwareOnboardingForm
{
    [Required(ErrorMessage = "Choose the software you write in before continuing.")]
    public string? WritingSoftware { get; set; }
}

public static class OnboardingSelectionModes
{
    public const string Create = "Create";
    public const string Select = "Select";
}

public sealed class ProjectOnboardingForm
{
    [Required]
    public string Mode { get; set; } = OnboardingSelectionModes.Create;

    public int? SelectedProjectID { get; set; }

    [StringLength(200)]
    public string? ProjectName { get; set; }

    public string? Description { get; set; }
}

public sealed class BookOnboardingForm
{
    [Required]
    public string Mode { get; set; } = OnboardingSelectionModes.Create;

    public int? SelectedBookID { get; set; }

    [StringLength(200)]
    public string? BookTitle { get; set; }

    [StringLength(200)]
    public string? Subtitle { get; set; }

    [Range(1, int.MaxValue, ErrorMessage = "Target word count must be greater than zero.")]
    public int? TargetWordCount { get; set; }
}

public sealed class OnboardingProjectOptionViewModel
{
    public int ProjectID { get; init; }
    public string ProjectName { get; init; } = string.Empty;
    public string Description { get; init; } = string.Empty;
}

public sealed class OnboardingBookOptionViewModel
{
    public int BookID { get; init; }
    public string DisplayTitle { get; init; } = string.Empty;
    public string Detail { get; init; } = string.Empty;
}

public sealed class OnboardingNudgeViewModel
{
    public bool ShouldShow { get; init; }
    public string ButtonText { get; init; } = "Start setup";
    public string Title { get; init; } = "Set up PlotDirector around the way you write";
    public string Description { get; init; } = "Answer a few quick questions so PlotDirector can guide your first project.";
}