namespace FozFc.Api.Configuration;

/// <summary>
/// Strongly-typed application configuration, loaded from environment variables
/// (the same names the docker-compose file provides).
/// </summary>
public sealed class AppOptions
{
    public int Port { get; init; } = 4000;
    public string MongoUri { get; init; } = "mongodb://localhost:27017";
    public string MongoDatabase { get; init; } = "foz_fc";
    public string JwtSecret { get; init; } = "insecure-dev-secret-change-me-please-32chars";
    public int JwtTtlSeconds { get; init; } = 60 * 60 * 24 * 30;
    public string[] CorsOrigins { get; init; } = Array.Empty<string>();
    public string FirebaseProjectId { get; init; } = string.Empty;
    public string PublicBaseUrl { get; init; } = "http://localhost:4000";
    public bool AllowUnverifiedGoogle { get; init; } = false;
    public string SeedAdminEmail { get; init; } = "admin@foz.pt";
    public string SeedAdminPassword { get; init; } = "admin123";

    // ZeroZero feed (scrapes zerozero.pt directly; replaces the Cloudflare worker).
    public string RenderProxyUrl { get; init; } = "";
    public string RenderProxySecret { get; init; } = "";

    public const string JwtIssuer = "foz-fc";

    public static AppOptions FromEnvironment()
    {
        static string Env(string key, string fallback = "") =>
            Environment.GetEnvironmentVariable(key) is { Length: > 0 } v ? v : fallback;

        return new AppOptions
        {
            Port = int.TryParse(Env("PORT", "4000"), out var p) ? p : 4000,
            MongoUri = Env("MONGODB_URI", "mongodb://localhost:27017"),
            MongoDatabase = Env("MONGODB_DB", "foz_fc"),
            JwtSecret = Env("JWT_SECRET", "insecure-dev-secret-change-me-please-32chars"),
            JwtTtlSeconds = int.TryParse(Env("JWT_TTL_SECONDS", "2592000"), out var ttl) ? ttl : 2592000,
            CorsOrigins = Env("CORS_ORIGINS", "http://localhost:5173,http://localhost:8080,http://localhost:4173")
                .Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries),
            FirebaseProjectId = Env("FIREBASE_PROJECT_ID"),
            PublicBaseUrl = Env("PUBLIC_BASE_URL", "http://localhost:4000").TrimEnd('/'),
            AllowUnverifiedGoogle = Env("ALLOW_UNVERIFIED_GOOGLE", "false").Equals("true", StringComparison.OrdinalIgnoreCase),
            SeedAdminEmail = Env("SEED_ADMIN_EMAIL", "admin@foz.pt"),
            SeedAdminPassword = Env("SEED_ADMIN_PASSWORD", "admin123"),
            RenderProxyUrl = Env("RENDER_PROXY_URL"),
            RenderProxySecret = Env("RENDER_PROXY_SECRET"),
        };
    }
}