using Core.Models;
using Core.Notes;
using Microsoft.Extensions.Configuration;

namespace WebApp.Models;

/// <summary>
/// Configuration for chapter-specific information
/// </summary>
public class ChapterSettings
{
    /// <summary>
    /// Full chapter name (e.g., "Your Chapter Name")
    /// </summary>
    public string Name { get; set; } = "Your Chapter Name";

    /// <summary>
    /// Short chapter name abbreviation (e.g., "YCN")
    /// </summary>
    public string ShortName { get; set; } = "YCN";

    /// <summary>
    /// National chapter ID (4 digits, e.g., "0000")
    /// </summary>
    public string NationalId { get; set; } = "0000";

    /// <summary>
    /// State chapter ID (5 digits, e.g., "00000")
    /// </summary>
    public string StateId { get; set; } = "00000";

    /// <summary>
    /// Regional chapter ID (5 digits, e.g., "00000")
    /// </summary>
    public string RegionalId { get; set; } = "00000";

    /// <summary>
    /// Competition year (e.g., "2026")
    /// </summary>
    public string CompetitionYear { get; set; } = "2026";

    /// <summary>
    /// National TSA yearly theme (e.g., "Unity Through Community")
    /// </summary>
    public string YearlyTheme { get; set; } = "Unity Through Community";

    /// <summary>
    /// Postal state abbreviation for printed schedules (example placeholder: "ST").
    /// </summary>
    public string StateAbbrev { get; set; } = "ST";

    /// <summary>
    /// School level for the chapter (null = import both MS and HS events)
    /// </summary>
    public SchoolLevel? SchoolLevel { get; set; }

    /// <summary>
    /// Field names from student note <c>## Additional fields</c> tables to show as Students index columns.
    /// </summary>
    public List<string> StudentIndexNoteFields { get; set; } = [.. StudentNoteFieldDefaults.IndexColumns];

    public static ChapterSettings FromConfiguration(IConfiguration configuration)
    {
        var settings = configuration.GetSection("ChapterSettings").Get<ChapterSettings>()
                       ?? new ChapterSettings();
        settings.StudentIndexNoteFields = ReadIndexNoteFields(configuration);
        return settings;
    }

    public static List<string> ReadIndexNoteFields(IConfiguration configuration)
    {
        var fields = configuration.GetSection("ChapterSettings:StudentIndexNoteFields").Get<List<string>>();
        if (fields is null)
            return [.. StudentNoteFieldDefaults.IndexColumns];

        return [.. fields.Where(f => !string.IsNullOrWhiteSpace(f)).Select(f => f.Trim())];
    }
}