import json

from flask import render_template, request, abort

import db
import screens

from core.flask_app import app


@app.route("/game/<slug>/screens/<int:screen_id>/edit")
def screen_edit(slug, screen_id):
    game = db.game_meta(slug)
    screen = screens.get_screen(slug, screen_id)
    if not screen:
        abort(404)
    elements = screens.list_elements(slug, screen_id)
    all_screens = screens.list_screens(slug)
    element_types = screens.list_element_types(slug)
    selected_id = request.args.get("selected", type=int)
    selected_controls = None
    if selected_id:
        selected_el = next((e for e in elements if e["id"] == selected_id), None)
        if selected_el:
            template_definition_id = None
            if screen.get("is_template"):
                owning_type = screens.get_element_type_by_template_screen(slug, screen_id)
                if owning_type:
                    template_definition_id = owning_type.get("bound_definition_id")
            selected_controls = screens.controls_with_values(slug, selected_el, template_definition_id)
    children_of = {}
    for el in elements:
        if el.get("parent_id"):
            children_of.setdefault(el["parent_id"], []).append(el)
    top_level_elements = [el for el in elements if not el.get("parent_id")]
    elements_by_id = {el["id"]: el for el in elements}

    definitions = db.list_definitions(slug)
    definitions_data = {str(d["id"]): screens.data_definition_options(slug, d["id"]) for d in definitions}

    # list_flow_blocks() rattache paresseusement les nœuds "orphelins"
    # (block_id NULL, jeux créés avant les blocs) à un "Bloc principal" —
    # DOIT tourner avant list_flow_nodes() ci-dessous, sinon flow_nodes
    # garderait en mémoire un block_id périmé (None) pour ces nœuds.
    flow_blocks = screens.list_flow_blocks(slug, screen_id)
    flow_nodes = screens.list_flow_nodes(slug, screen_id)
    flow_edges = screens.list_flow_edges(slug, screen_id)
    elements_labels = {el["id"]: screens.element_label(el, screens.WIDGETS) for el in elements}
    screens_map = {s["id"]: s["name"] for s in all_screens}
    animation_clips = screens.list_animation_clips(slug, screen_id)
    global_variables = db.list_global_variables(slug)
    custom_events = db.list_custom_events(slug)
    custom_event_usages = screens.list_custom_event_usages(slug)
    custom_events_map = {e["id"]: {"name": e["name"]} for e in custom_events}

    blocks_view = screens.blocks_view(flow_blocks, flow_nodes, elements_labels)

    return render_template(
        "screen_edit.html",
        game=game, screen=screen, elements=elements, top_level_elements=top_level_elements,
        children_of=children_of, container_widgets=screens.CONTAINER_WIDGETS,
        elements_by_id=elements_by_id,
        all_screens=all_screens,
        element_types=element_types, widgets=screens.WIDGETS,
        trigger_labels=screens.TRIGGER_LABELS, action_type_labels=screens.ACTION_TYPE_LABELS,
        element_action_properties=screens.ELEMENT_ACTION_PROPERTIES,
        element_action_property_labels=screens.ELEMENT_ACTION_PROPERTY_LABELS,
        element_visibility_values=screens.ELEMENT_VISIBILITY_VALUES,
        element_visibility_labels=screens.ELEMENT_VISIBILITY_LABELS,
        element_surbrillance_values=screens.ELEMENT_SURBRILLANCE_VALUES,
        element_desactive_values=screens.ELEMENT_DESACTIVE_VALUES,
        data_operations=screens.DATA_OPERATIONS,
        data_operation_labels=screens.DATA_OPERATION_LABELS,
        definitions=definitions, definitions_json=json.dumps(definitions_data),
        selected_id=selected_id, selected_controls=selected_controls,
        flow_nodes=flow_nodes, flow_edges=flow_edges,
        flow_nodes_json=json.dumps(flow_nodes), flow_edges_json=json.dumps(flow_edges),
        trigger_events=screens.TRIGGER_EVENTS, condition_operators=screens.CONDITION_OPERATORS,
        elements_labels_json=json.dumps(elements_labels), screens_map_json=json.dumps(screens_map),
        action_type_labels_json=json.dumps(screens.ACTION_TYPE_LABELS),
        element_action_property_labels_json=json.dumps(screens.ELEMENT_ACTION_PROPERTY_LABELS),
        element_visibility_labels_json=json.dumps(screens.ELEMENT_VISIBILITY_LABELS),
        element_surbrillance_labels_json=json.dumps(screens.ELEMENT_SURBRILLANCE_LABELS),
        element_desactive_labels_json=json.dumps(screens.ELEMENT_DESACTIVE_LABELS),
        data_operation_labels_json=json.dumps(screens.DATA_OPERATION_LABELS),
        condition_operator_labels_json=json.dumps(screens.CONDITION_OPERATOR_LABELS),
        trigger_labels_json=json.dumps(screens.TRIGGER_LABELS),
        animation_clips=animation_clips, animation_clips_json=json.dumps(animation_clips),
        animate_css_catalog=screens.ANIMATE_CSS_CATALOG,
        animate_css_labels_json=json.dumps(screens.ANIMATE_CSS_LABELS),
        fontawesome_icons=screens.FONTAWESOME_ICONS,
        global_variables=global_variables,
        custom_events=custom_events, custom_event_usages=custom_event_usages,
        custom_events_map_json=json.dumps(custom_events_map),
        blocks_view=blocks_view,
        flow_blocks_json=json.dumps(flow_blocks),
    )