from __future__ import annotations

from app.services.catalog import MetricCatalog, get_catalog



def build_capabilities(catalog: MetricCatalog | None = None) -> dict:
    catalog = catalog or get_catalog()
    settings = catalog.settings

    string_rows = []
    for item in settings.strings:
        metric_ids = list(item.get("metrics", {}).values())
        if any(catalog.safe_get(metric_id) for metric_id in metric_ids):
            string_rows.append(item)

    analytics_enabled = settings.modules.get("analytics", False)

    return {
        "modules": settings.modules,
        "strings_enabled": settings.modules.get("strings", False) and len(string_rows) > 0,
        "strings_count": len(string_rows),
        "phases_enabled": False,
        "phases_count": 0,
        "analytics_enabled": analytics_enabled,
        "realtime_enabled": settings.modules.get("realtime_overview", False),
        "comparison_modes": list(settings.analytics["compare_modes"].keys()),
        "ranges": [
            {"key": key, "label": definition["label"]}
            for key, definition in settings.time_ranges.items()
        ],
        "buckets": [
            {"key": key, "label": label}
            for key, label in settings.analytics["bucket_labels"].items()
        ],
        "historical_import_enabled": settings.modules.get("historical_import", False),
        "history": {
            "enabled": settings.history.get("enabled", True),
            "default_chunk_days": settings.history.get("default_chunk_days", 7),
            "auto_sync_enabled": settings.history.get("auto_sync_enabled", False),
            "auto_sync_interval_minutes": settings.history.get("auto_sync_interval_minutes", 30),
        },
    }