from flask import render_template, request, redirect, url_for, abort

import db


def _data_form(slug, definition_id, row):
    game = db.game_meta(slug)
    definition = db.get_definition(slug, definition_id)
    if not definition:
        abort(404)

    # Pour chaque champ de type relation, on prépare les options du <select>
    # à partir des lignes déjà enregistrées de l'objet lié.
    relation_options = {}
    for f in definition["fields"]:
        if f["type"] == "relation":
            relation_options[f["id"]] = db.relation_options(slug, f["relation_definition_id"])

    if request.method == "POST":
        if row is None:
            db.insert_row(slug, definition, request.form)
        else:
            db.update_row(slug, definition, row["id"], request.form)
        return redirect(url_for("object_view", slug=slug, definition_id=definition_id))

    return render_template(
        "data_form.html",
        game=game,
        definition=definition,
        relation_options=relation_options,
        row=row,
    )