"""Blog layout functions for defpage rendering."""
from __future__ import annotations

from typing import Any


# ---------------------------------------------------------------------------
# Header helpers (moved from sx_components — thin sx_call wrappers)
# ---------------------------------------------------------------------------

def _settings_header_sx(ctx: dict, *, oob: bool = False) -> str:
    from shared.sx.helpers import sx_call
    from quart import url_for as qurl

    settings_href = qurl("settings.defpage_settings_home")
    label_sx = sx_call("blog-admin-label")
    nav_sx = _settings_nav_sx(ctx)

    return sx_call("menu-row-sx",
        id="root-settings-row", level=1,
        link_href=settings_href,
        link_label_content=label_sx,
        nav=nav_sx or None,
        child_id="root-settings-header-child", oob=oob)


def _settings_nav_sx(ctx: dict) -> str:
    from shared.sx.helpers import sx_call
    return sx_call("blog-settings-nav")


def _sub_settings_header_sx(row_id: str, child_id: str, href: str,
                             icon: str, label: str, ctx: dict,
                             *, oob: bool = False, nav_sx: str = "") -> str:
    from shared.sx.helpers import sx_call
    from shared.sx.parser import SxExpr

    label_sx = sx_call("blog-sub-settings-label",
        icon=f"fa fa-{icon}", label=label)
    return sx_call("menu-row-sx",
        id=row_id, level=2,
        link_href=href,
        link_label_content=label_sx,
        nav=SxExpr(nav_sx) if nav_sx else None,
        child_id=child_id, oob=oob)


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

def _register_blog_layouts() -> None:
    from shared.sx.layouts import register_custom_layout
    register_custom_layout("blog", _blog_full, _blog_oob)
    register_custom_layout("blog-settings", _settings_full, _settings_oob,
                           mobile_fn=_settings_mobile)
    register_custom_layout("blog-cache", _cache_full, _cache_oob)
    register_custom_layout("blog-snippets", _snippets_full, _snippets_oob)
    register_custom_layout("blog-menu-items", _menu_items_full, _menu_items_oob)
    register_custom_layout("blog-tag-groups", _tag_groups_full, _tag_groups_oob)
    register_custom_layout("blog-tag-group-edit",
                           _tag_group_edit_full, _tag_group_edit_oob)


# --- Blog layout (root + blog header) ---

async def _blog_full(ctx: dict, **kw: Any) -> str:
    from shared.sx.helpers import render_to_sx_with_env
    return await render_to_sx_with_env("blog-layout-full", {})


async def _blog_oob(ctx: dict, **kw: Any) -> str:
    from shared.sx.helpers import render_to_sx_with_env, oob_header_sx
    rows = await render_to_sx_with_env("blog-layout-full", {})
    return await oob_header_sx("root-header-child", "blog-header-child", rows)


# --- Settings layout (root + settings header) ---

async def _settings_full(ctx: dict, **kw: Any) -> str:
    from shared.sx.helpers import render_to_sx_with_env
    return await render_to_sx_with_env("settings-layout-full", {},
        settings_header=_settings_header_sx(ctx))


async def _settings_oob(ctx: dict, **kw: Any) -> str:
    from shared.sx.helpers import render_to_sx_with_env, oob_header_sx
    rows = await render_to_sx_with_env("settings-layout-full", {},
        settings_header=_settings_header_sx(ctx))
    return await oob_header_sx("root-header-child", "root-settings-header-child", rows)


def _settings_mobile(ctx: dict, **kw: Any) -> str:
    return _settings_nav_sx(ctx)


# --- Sub-settings helpers ---

async def _sub_settings_full(ctx: dict, row_id: str, child_id: str,
                       endpoint: str, icon: str, label: str) -> str:
    from shared.sx.helpers import render_to_sx_with_env
    from quart import url_for as qurl
    return await render_to_sx_with_env("sub-settings-layout-full", {},
        settings_header=_settings_header_sx(ctx),
        sub_header=_sub_settings_header_sx(
            row_id, child_id, qurl(endpoint), icon, label, ctx))


async def _sub_settings_oob(ctx: dict, row_id: str, child_id: str,
                      endpoint: str, icon: str, label: str) -> str:
    from shared.sx.helpers import oob_header_sx, sx_call
    from quart import url_for as qurl
    settings_hdr_oob = _settings_header_sx(ctx, oob=True)
    sub_hdr = _sub_settings_header_sx(
        row_id, child_id, qurl(endpoint), icon, label, ctx)
    sub_oob = await oob_header_sx("root-settings-header-child", child_id, sub_hdr)
    return sx_call("sub-settings-layout-oob",
        settings_header_oob=settings_hdr_oob,
        sub_header_oob=sub_oob)


# --- Cache ---

async def _cache_full(ctx: dict, **kw: Any) -> str:
    return await _sub_settings_full(ctx, "cache-row", "cache-header-child",
                              "defpage_cache_page", "refresh", "Cache")


async def _cache_oob(ctx: dict, **kw: Any) -> str:
    return await _sub_settings_oob(ctx, "cache-row", "cache-header-child",
                             "defpage_cache_page", "refresh", "Cache")


# --- Snippets ---

async def _snippets_full(ctx: dict, **kw: Any) -> str:
    return await _sub_settings_full(ctx, "snippets-row", "snippets-header-child",
                              "defpage_snippets_page", "puzzle-piece", "Snippets")


async def _snippets_oob(ctx: dict, **kw: Any) -> str:
    return await _sub_settings_oob(ctx, "snippets-row", "snippets-header-child",
                             "defpage_snippets_page", "puzzle-piece", "Snippets")


# --- Menu Items ---

async def _menu_items_full(ctx: dict, **kw: Any) -> str:
    return await _sub_settings_full(ctx, "menu_items-row", "menu_items-header-child",
                              "defpage_menu_items_page", "bars", "Menu Items")


async def _menu_items_oob(ctx: dict, **kw: Any) -> str:
    return await _sub_settings_oob(ctx, "menu_items-row", "menu_items-header-child",
                             "defpage_menu_items_page", "bars", "Menu Items")


# --- Tag Groups ---

async def _tag_groups_full(ctx: dict, **kw: Any) -> str:
    return await _sub_settings_full(ctx, "tag-groups-row", "tag-groups-header-child",
                              "defpage_tag_groups_page", "tags", "Tag Groups")


async def _tag_groups_oob(ctx: dict, **kw: Any) -> str:
    return await _sub_settings_oob(ctx, "tag-groups-row", "tag-groups-header-child",
                             "defpage_tag_groups_page", "tags", "Tag Groups")


# --- Tag Group Edit ---

async def _tag_group_edit_full(ctx: dict, **kw: Any) -> str:
    from quart import request, url_for as qurl
    from shared.sx.helpers import render_to_sx_with_env
    g_id = (request.view_args or {}).get("id")
    return await render_to_sx_with_env("sub-settings-layout-full", {},
        settings_header=_settings_header_sx(ctx),
        sub_header=_sub_settings_header_sx(
            "tag-groups-row", "tag-groups-header-child",
            qurl("defpage_tag_group_edit", id=g_id),
            "tags", "Tag Groups", ctx))


async def _tag_group_edit_oob(ctx: dict, **kw: Any) -> str:
    from quart import request, url_for as qurl
    from shared.sx.helpers import oob_header_sx, sx_call
    g_id = (request.view_args or {}).get("id")
    settings_hdr_oob = _settings_header_sx(ctx, oob=True)
    sub_hdr = _sub_settings_header_sx(
        "tag-groups-row", "tag-groups-header-child",
        qurl("defpage_tag_group_edit", id=g_id),
        "tags", "Tag Groups", ctx)
    sub_oob = await oob_header_sx("root-settings-header-child", "tag-groups-header-child", sub_hdr)
    return sx_call("sub-settings-layout-oob",
        settings_header_oob=settings_hdr_oob,
        sub_header_oob=sub_oob)