"""Orders defpage setup — registers layouts and loads .sx pages."""
from __future__ import annotations

from typing import Any


def setup_orders_pages() -> None:
    """Register orders-specific layouts and load page definitions."""
    _register_orders_layouts()
    _load_orders_page_files()


def _load_orders_page_files() -> None:
    """Load defpage definitions from orders/sxc/pages/*.sx."""
    import os
    from shared.sx.pages import load_page_dir
    load_page_dir(os.path.dirname(__file__), "orders")


# ---------------------------------------------------------------------------
# Layouts
# ---------------------------------------------------------------------------

def _register_orders_layouts() -> None:
    from shared.sx.layouts import register_custom_layout
    register_custom_layout("orders", _orders_full, _orders_oob, _orders_mobile)
    register_custom_layout("order-detail", _order_detail_full, _order_detail_oob, _order_detail_mobile)


async def _orders_full(ctx: dict, **kw: Any) -> str:
    from shared.sx.helpers import root_header_sx, header_child_sx, call_url, render_to_sx

    list_url = kw.get("list_url", "/")
    account_url = call_url(ctx, "account_url", "")
    root_hdr = await root_header_sx(ctx)
    auth_hdr = await render_to_sx("auth-header-row",
        account_url=account_url,
        select_colours=ctx.get("select_colours", ""),
        account_nav=_as_sx_nav(ctx),
    )
    orders_hdr = await render_to_sx("orders-header-row", list_url=list_url)
    inner = "(<> " + auth_hdr + " " + orders_hdr + ")"
    return "(<> " + root_hdr + " " + await header_child_sx(inner) + ")"


async def _orders_oob(ctx: dict, **kw: Any) -> str:
    from shared.sx.helpers import root_header_sx, render_to_sx
    from shared.sx.helpers import call_url
    from shared.sx.parser import SxExpr

    list_url = kw.get("list_url", "/")
    account_url = call_url(ctx, "account_url", "")
    auth_hdr = await render_to_sx("auth-header-row",
        account_url=account_url,
        select_colours=ctx.get("select_colours", ""),
        account_nav=_as_sx_nav(ctx),
        oob=True,
    )
    orders_hdr = await render_to_sx("orders-header-row", list_url=list_url)
    auth_child_oob = await render_to_sx("oob-header-sx",
                         parent_id="auth-header-child",
                         row=SxExpr(orders_hdr))
    root_hdr = await root_header_sx(ctx, oob=True)
    return "(<> " + auth_hdr + " " + auth_child_oob + " " + root_hdr + ")"


async def _orders_mobile(ctx: dict, **kw: Any) -> str:
    from shared.sx.helpers import mobile_menu_sx, mobile_root_nav_sx
    return mobile_menu_sx(await mobile_root_nav_sx(ctx))


async def _order_detail_full(ctx: dict, **kw: Any) -> str:
    from shared.sx.helpers import root_header_sx, render_to_sx
    from shared.sx.helpers import call_url
    from shared.sx.parser import SxExpr

    list_url = kw.get("list_url", "/")
    detail_url = kw.get("detail_url", "/")
    account_url = call_url(ctx, "account_url", "")
    root_hdr = await root_header_sx(ctx)
    order_row = await render_to_sx(
        "menu-row-sx",
        id="order-row", level=3, colour="sky", link_href=detail_url,
        link_label="Order", icon="fa fa-gbp",
    )
    auth_hdr = await render_to_sx("auth-header-row",
        account_url=account_url,
        select_colours=ctx.get("select_colours", ""),
        account_nav=_as_sx_nav(ctx),
    )
    orders_hdr = await render_to_sx("orders-header-row", list_url=list_url)
    detail_header = await render_to_sx(
        "order-detail-header-stack",
        auth=SxExpr(auth_hdr),
        orders=SxExpr(orders_hdr),
        order=SxExpr(order_row),
    )
    return "(<> " + root_hdr + " " + detail_header + ")"


async def _order_detail_oob(ctx: dict, **kw: Any) -> str:
    from shared.sx.helpers import root_header_sx, render_to_sx
    from shared.sx.parser import SxExpr

    detail_url = kw.get("detail_url", "/")
    order_row_oob = await render_to_sx(
        "menu-row-sx",
        id="order-row", level=3, colour="sky", link_href=detail_url,
        link_label="Order", icon="fa fa-gbp", oob=True,
    )
    header_child_oob = await render_to_sx("oob-header-sx",
                               parent_id="orders-header-child",
                               row=SxExpr(order_row_oob))
    root_hdr = await root_header_sx(ctx, oob=True)
    return "(<> " + header_child_oob + " " + root_hdr + ")"


async def _order_detail_mobile(ctx: dict, **kw: Any) -> str:
    from shared.sx.helpers import mobile_menu_sx, mobile_root_nav_sx
    return mobile_menu_sx(await mobile_root_nav_sx(ctx))


def _as_sx_nav(ctx: dict) -> Any:
    """Convert account_nav fragment to SxExpr for use in component calls."""
    from shared.sx.helpers import _as_sx
    return _as_sx(ctx.get("account_nav"))