namespace PrismaticSync.Infrastructure;

/// <summary>Strongly-typed config bound from the "Sync" section of appsettings.json.</summary>
public class SyncConfig
{
    public string BaseUrl { get; set; } = "https://www.prismaticpowders.com";
    public string ColorsPath { get; set; } = "/shop/powder-coating-colors";

    public string ProductUrlsFile { get; set; } = "product-urls.txt";
    public string OutputJsonFile { get; set; } = "prismatic_powders.json";
    public string LogFile { get; set; } = "prismatic-sync.log";

    /// <summary>Politeness delay between product scrapes (randomized within the range).</summary>
    public int MinDelaySeconds { get; set; } = 6;
    public int MaxDelaySeconds { get; set; } = 14;

    /// <summary>On a 403/block, cool down this many seconds × the consecutive-block count, then retry.</summary>
    public int BlockedCooldownSeconds { get; set; } = 120;

    /// <summary>Upper bound on a single cooldown so escalation can't run away.</summary>
    public int BlockedCooldownMaxSeconds { get; set; } = 600;

    /// <summary>How many times to cool-down-and-retry a blocked product before recording it as an error.</summary>
    public int BlockedMaxRetries { get; set; } = 3;

    /// <summary>Take a longer rest after this many products (0 disables). Eases load and looks less robotic.</summary>
    public int LongRestEveryProducts { get; set; } = 150;

    /// <summary>Length of the periodic long rest, in seconds.</summary>
    public int LongRestSeconds { get; set; } = 45;

    /// <summary>Extra settle time after a product page loads before reading it.</summary>
    public int PageSettleSeconds { get; set; } = 4;

    /// <summary>Pause after each scroll while a listing lazy-loads more items.</summary>
    public int ScrollWaitMs { get; set; } = 1500;

    /// <summary>Hard cap on scrolls per listing, as a safety stop.</summary>
    public int MaxScrolls { get; set; } = 400;

    /// <summary>Full discovery: stop a listing after this many scrolls add no new links.</summary>
    public int StopAfterNoNewScrolls { get; set; } = 10;

    /// <summary>
    /// Incremental discovery: stop the newest-first listing after this many consecutive scrolls
    /// that surfaced only already-known URLs — i.e. we've scrolled past the new products.
    /// </summary>
    public int StopAfterKnownScrolls { get; set; } = 8;

    /// <summary>Color filter params used by full discovery.</summary>
    public string[] ColorParams { get; set; } = Array.Empty<string>();

    public ImportConfig Import { get; set; } = new();

    public string ColorsUrl => $"{BaseUrl.TrimEnd('/')}{ColorsPath}";
}

/// <summary>Where and how to push the scraped catalog into the app.</summary>
public class ImportConfig
{
    /// <summary>Full URL of the app's token-authenticated catalog import endpoint.</summary>
    public string EndpointUrl { get; set; } = "";

    /// <summary>Shared secret sent in the X-Import-Token header. Must match the app's config.</summary>
    public string Token { get; set; } = "";

    /// <summary>Vendor name applied to every record on import.</summary>
    public string VendorName { get; set; } = "Prismatic Powders";
}