from flask import Response, render_template
from tinydb import where

from ttfrog import app


def get_page(stub):
    """
    Get one page, including its subpages, but not recursively.
    """
    app.web.logger.debug(f"Looking for page with {stub = }")
    matches = app.db.Page.search(where("stub") == stub, recurse=False)
    if not matches:
        return
    uids = [pointer.split("::")[-1] for pointer in matches[0].pages]
    subpages = app.db.Page.search(where("uid").one_of(uids), recurse=False)
    matches[0].pages = subpages
    return matches[0]


@app.web.route("/")
def index():
    page = get_page("Home")
    if not page:
        return Response("Home page not found", status=404)
    return render_template("page.html", page=page)


@app.web.route("/view/<path:path>")
def page_view(path):
    path = path.rstrip("/")
    stub = path.split("/")[-1]
    page = get_page(stub)
    app.web.logger.debug(f"page_view: {path =} {stub =} {page =}")
    if not page:
        return Response(f"{stub} ({path}) not found", status=404)
    return render_template(
        "page.html",
        page=page,
        meta={
            'uri': path,
        }
    )


@app.web.after_request
def add_header(r):
    r.headers["Cache-Control"] = "no-cache, no-store, must-revalidate, public, max-age=0"
    r.headers["Pragma"] = "no-cache"
    r.headers["Expires"] = "0"
    return r