"""Badge helpers, OOB helpers, formatting utilities, list containers."""
from __future__ import annotations

from shared.sx.helpers import sx_call


# ---------------------------------------------------------------------------
# OOB header helper — delegates to shared
# ---------------------------------------------------------------------------



# ---------------------------------------------------------------------------
# Post header helpers — thin wrapper over shared post_header_sx
# ---------------------------------------------------------------------------

async def _ensure_container_nav(ctx: dict) -> dict:
    """Fetch container_nav if not already present (for post header row)."""
    if ctx.get("container_nav"):
        return ctx
    post = ctx.get("post") or {}
    post_id = post.get("id")
    slug = post.get("slug", "")
    if not post_id:
        return ctx
    from quart import g
    from shared.infrastructure.fragments import fetch_fragments
    current_cal = getattr(g, "calendar_slug", "") or ""
    nav_params = {
        "container_type": "page",
        "container_id": str(post_id),
        "post_slug": slug,
        "current_calendar": current_cal,
    }
    events_nav, market_nav = await fetch_fragments([
        ("events", "container-nav", nav_params),
        ("market", "container-nav", nav_params),
    ], required=False)
    return {**ctx, "container_nav": events_nav + market_nav}


# ---------------------------------------------------------------------------
# Utility
# ---------------------------------------------------------------------------

def _list_container(ctx: dict) -> str:
    styles = ctx.get("styles") or {}
    return getattr(styles, "list_container", "") if hasattr(styles, "list_container") else styles.get("list_container", "")


def _entry_state_badge_html(state: str) -> str:
    """Render an entry state badge."""
    state_classes = {
        "confirmed": "bg-emerald-100 text-emerald-800",
        "provisional": "bg-amber-100 text-amber-800",
        "ordered": "bg-sky-100 text-sky-800",
        "pending": "bg-stone-100 text-stone-700",
        "declined": "bg-red-100 text-red-800",
    }
    cls = state_classes.get(state, "bg-stone-100 text-stone-700")
    label = state.replace("_", " ").capitalize()
    return sx_call("badge", cls=cls, label=label)


# ---------------------------------------------------------------------------
# View toggle + SVG caching
# ---------------------------------------------------------------------------

_LIST_SVG = None
_TILE_SVG = None


def _get_list_svg():
    global _LIST_SVG
    if _LIST_SVG is None:
        _LIST_SVG = sx_call("list-svg")
    return _LIST_SVG


def _get_tile_svg():
    global _TILE_SVG
    if _TILE_SVG is None:
        _TILE_SVG = sx_call("tile-svg")
    return _TILE_SVG


def _view_toggle_html(ctx: dict, view: str) -> str:
    """Render the list/tile view toggle bar."""
    from shared.utils import route_prefix
    prefix = route_prefix()
    clh = ctx.get("current_local_href", "/")
    hx_select = ctx.get("hx_select_search", "#main-panel")

    list_href = prefix + str(clh)
    tile_href = prefix + str(clh)
    if "?" in list_href:
        list_href = list_href.split("?")[0]
    if "?" in tile_href:
        tile_href = tile_href.split("?")[0] + "?view=tile"
    else:
        tile_href = tile_href + "?view=tile"

    list_active = 'bg-stone-200 text-stone-800' if view != 'tile' else 'text-stone-400 hover:text-stone-600'
    tile_active = 'bg-stone-200 text-stone-800' if view == 'tile' else 'text-stone-400 hover:text-stone-600'

    return sx_call("view-toggle",
                  list_href=list_href, tile_href=tile_href,
                  hx_select=hx_select, list_cls=list_active,
                  tile_cls=tile_active, storage_key="events_view",
                  list_svg=_get_list_svg(), tile_svg=_get_tile_svg())


def _cart_icon_oob(count: int) -> str:
    """Render the OOB cart icon/badge swap."""
    ctx = _cart_icon_ctx(count)
    return sx_call("events-cart-icon", **ctx)


def _cart_icon_ctx(count: int) -> dict:
    """Return data dict for the ~page/cart-icon component."""
    from quart import g

    blog_url_fn = getattr(g, "blog_url", None)
    cart_url_fn = getattr(g, "cart_url", None)
    site_fn = getattr(g, "site", None)
    logo = ""
    if site_fn:
        site_obj = site_fn() if callable(site_fn) else site_fn
        logo = getattr(site_obj, "logo", "") if site_obj else ""

    blog_href = blog_url_fn("/") if blog_url_fn else "/"
    cart_href = cart_url_fn("/") if cart_url_fn else "/"
    return {
        "cart_count": count,
        "blog_href": blog_href,
        "cart_href": cart_href,
        "logo": logo,
    }