DOSSIER/rhino/overrides_panel.py

#! python 3
# -*- coding: utf-8 -*-
# SPDX-License-Identifier: AGPL-3.0-or-later
# Copyright (C) 2026 Karim Gabriele Varano
"""
overrides_panel.py
OVERRIDES-Panel: Rule-Editor fuer grafische Overrides.
Liest/schreibt rhino/overrides.py-Engine.
"""
import os
import sys
import uuid
import Rhino
import scriptcontext as sc

_HERE = os.path.dirname(os.path.abspath(__file__))
if _HERE not in sys.path:
    sys.path.insert(0, _HERE)

import panel_base
import overrides

PANEL_GUID_STR = "8f2a7b6c-9f3a-4f4d-e6f7-08192a3c4d62"


def _list_layer_names(doc):
    out = []
    try:
        for layer in doc.Layers:
            if layer is None or layer.IsDeleted: continue
            try:
                out.append({"name": layer.Name, "fullPath": layer.FullPath or layer.Name})
            except Exception:
                pass
    except Exception:
        pass
    return out


def _list_linetypes(doc):
    out = []
    try:
        for lt in doc.Linetypes:
            try:
                if lt.Name and not lt.IsDeleted:
                    out.append(lt.Name)
            except Exception:
                pass
    except Exception:
        pass
    return out


def _list_hatch_patterns(doc):
    out = []
    try:
        for i in range(doc.HatchPatterns.Count):
            try:
                hp = doc.HatchPatterns[i]
                if hp and hp.Name:
                    out.append(hp.Name)
            except Exception:
                pass
    except Exception:
        pass
    return out


def _payload(doc):
    cfg = overrides.load_config(doc)
    return {
        "enabled":        bool(cfg.get("enabled")),
        "rules":          cfg.get("rules") or [],
        "layers":         _list_layer_names(doc),
        "linetypes":      _list_linetypes(doc),
        "hatchPatterns":  _list_hatch_patterns(doc),
        "presets":        overrides.list_presets(),
        "activePreset":   cfg.get("activePreset"),
        "ruleTemplates":  overrides.list_rule_templates(),
    }


class OverridesBridge(panel_base.BaseBridge):
    def __init__(self):
        panel_base.BaseBridge.__init__(self, "overrides")

    def _on_ready(self):
        self._send_state()

    def _send_state(self):
        doc = Rhino.RhinoDoc.ActiveDoc
        self.send("STATE", _payload(doc))
        # Oberleiste mit-informieren: deren Topbar zeigt
        # Toggle + Preset-Dropdown, das vom selben State abhaengt.
        # Cache invalidieren, dann force-send, sonst sieht die Topbar
        # neue Rules/Presets erst beim naechsten Toggle.
        try:
            b = sc.sticky.get("oberleiste_bridge")
            if b is not None:
                b._cached_overrides = None
                b._send_state(force=True)
        except Exception as ex:
            print("[OVERRIDES] notify oberleiste:", ex)

    def handle(self, data):
        if not isinstance(data, dict): return
        t = data.get("type", "")
        p = data.get("payload") or {}
        if not isinstance(p, dict): p = {}
        doc = Rhino.RhinoDoc.ActiveDoc

        if t == "READY" or t == "REQUEST_STATE":
            self._on_ready()
        elif t == "SET_ENABLED":
            overrides.set_enabled(doc, bool(p.get("enabled")))
            self._send_state()
        elif t == "ADD_RULE":
            cfg = overrides.load_config(doc)
            rule = p.get("rule") or {}
            if not rule.get("id"):
                rule["id"] = "rule_" + uuid.uuid4().hex[:8]
            rule.setdefault("name", "Neue Regel")
            rule.setdefault("enabled", True)
            rule.setdefault("condition", {"type": "layer_name", "operator": "equals", "value": ""})
            rule.setdefault("actions", {})
            # Neue Regel oben einfuegen (= hoechste Prioritaet)
            rules = cfg.get("rules") or []
            rules.insert(0, rule)
            overrides.update_rules(doc, rules, cfg.get("enabled"))
            self._send_state()
        elif t == "UPDATE_RULE":
            cfg = overrides.load_config(doc)
            rid = p.get("id")
            patch = p.get("rule") or {}
            rules = cfg.get("rules") or []
            for i, r in enumerate(rules):
                if r.get("id") == rid:
                    rules[i] = patch
                    break
            overrides.update_rules(doc, rules, cfg.get("enabled"))
            self._send_state()
        elif t == "DELETE_RULE":
            cfg = overrides.load_config(doc)
            rid = p.get("id")
            rules = [r for r in (cfg.get("rules") or []) if r.get("id") != rid]
            overrides.update_rules(doc, rules, cfg.get("enabled"))
            self._send_state()
        elif t == "REORDER_RULES":
            cfg = overrides.load_config(doc)
            order = p.get("order") or []
            by_id = {r.get("id"): r for r in (cfg.get("rules") or [])}
            new_rules = [by_id[i] for i in order if i in by_id]
            # Verbleibende (falls Liste inkonsistent) hinten anhaengen
            for r in (cfg.get("rules") or []):
                if r not in new_rules:
                    new_rules.append(r)
            overrides.update_rules(doc, new_rules, cfg.get("enabled"))
            self._send_state()
        elif t == "DUPLICATE_RULE":
            cfg = overrides.load_config(doc)
            rid = p.get("id")
            rules = cfg.get("rules") or []
            for i, r in enumerate(rules):
                if r.get("id") == rid:
                    import json
                    clone = json.loads(json.dumps(r, ensure_ascii=False))
                    clone["id"] = "rule_" + uuid.uuid4().hex[:8]
                    clone["name"] = (r.get("name", "Regel") + " Kopie")
                    rules.insert(i + 1, clone)
                    break
            overrides.update_rules(doc, rules, cfg.get("enabled"))
            self._send_state()
        elif t == "REAPPLY":
            if overrides.load_config(doc).get("enabled"):
                overrides.restore_all(doc)
                overrides.apply_all(doc)
            self._send_state()
        elif t == "CLEAR_RULES":
            # Alle Regeln entfernen und activePreset clearen — wird vom
            # Topbar/Kombination-Dropdown beim Wechsel auf "— neu / keine —"
            # gefeuert, damit der Editor wirklich leer ist.
            cfg = overrides.load_config(doc)
            overrides.update_rules(doc, [], cfg.get("enabled"))
            self._send_state()

        # --- Presets (cross-doc) ----------------------------------------
        elif t == "SAVE_PRESET":
            name = (p.get("name") or "").strip()
            if name:
                cfg = overrides.load_config(doc)
                overrides.save_preset(name, cfg.get("rules") or [])
            self._send_state()
        elif t == "LOAD_PRESET":
            name = (p.get("name") or "").strip()
            mode = p.get("mode") or "replace"  # 'replace' oder 'append'
            if mode == "replace":
                # set_active_preset macht alles richtig: Rules ersetzen,
                # activePreset = name, ggf. neu anwenden.
                overrides.set_active_preset(doc, name)
            else:
                # Append-Mode: bestehende + Preset-Rules. activePreset wird
                # in update_rules auf None gesetzt — passt, weil's eine
                # Mischung ist, kein einzelnes Preset mehr.
                rules = overrides.load_preset(name)
                if rules is not None:
                    cfg = overrides.load_config(doc)
                    new_rules = list(cfg.get("rules") or []) + list(rules)
                    overrides.update_rules(doc, new_rules, cfg.get("enabled"))
            self._send_state()
        elif t == "DELETE_PRESET":
            name = (p.get("name") or "").strip()
            if name:
                overrides.delete_preset(name)
            self._send_state()

        # --- Rule-Templates (cross-doc, einzelne Regeln) ----------------
        elif t == "SAVE_RULE_TEMPLATE":
            name = (p.get("name") or "").strip()
            rule = p.get("rule") or {}
            if name and isinstance(rule, dict):
                # ID/Name aus dem Template-Rule herausschneiden (template hat
                # eigenen Namen, ID wird beim Insert neu generiert)
                clean = {k: v for k, v in rule.items() if k not in ("id",)}
                overrides.save_rule_template(name, clean)
            self._send_state()
        elif t == "DELETE_RULE_TEMPLATE":
            name = (p.get("name") or "").strip()
            if name:
                overrides.delete_rule_template(name)
            self._send_state()
        elif t == "ADD_FROM_TEMPLATE":
            name = (p.get("name") or "").strip()
            if not name: return
            tpl = overrides.load_rule_template(name)
            if not tpl: return
            cfg = overrides.load_config(doc)
            new_rule = dict(tpl)
            new_rule["id"] = "rule_" + uuid.uuid4().hex[:8]
            new_rule.setdefault("enabled", True)
            new_rule.setdefault("name", name)
            rules = cfg.get("rules") or []
            rules.insert(0, new_rule)
            overrides.update_rules(doc, rules, cfg.get("enabled"))
            self._send_state()


def _ensure_listeners_once():
    """Overrides-Listener nur EINMAL global installieren (statt bei jedem
    open_as_window)."""
    if sc.sticky.get("overrides_listeners_installed"):
        return
    try:
        overrides.install_listeners()
        sc.sticky["overrides_listeners_installed"] = True
    except Exception as ex:
        print("[OVERRIDES] install_listeners:", ex)


def open_as_window():
    """Oeffnet OVERRIDES als echtes Rhino-Fenster (Eto.Form + WebView).
    Wird vom Oberleiste-Bridge bei OPEN_OVERRIDES_PANEL gerufen.

    Pro Fenster eine eigene OverridesBridge-Instanz. Die letzte Instanz
    landet in sticky["overrides_bridge"] — andere Panels (Oberleiste) die
    Cross-Updates an Overrides senden, treffen das aktive Fenster."""
    _ensure_listeners_once()
    b = OverridesBridge()
    sc.sticky["overrides_bridge"] = b
    panel_base.open_satellite_window(
        "overrides",
        title="Overrides",
        size=(760, 580),
        bridge=b)


# OVERRIDES laeuft jetzt als Satelliten-Fenster (geoeffnet vom Oberleiste-
# Gear-Button), nicht mehr als gedocktes Panel. Listener werden lazy beim
# ersten open_as_window installiert. Falls jemand das alte Panel via
# Workspace-Layout noch geoeffnet hat, wird es nicht mehr registriert →
# Rhino zeigt es leer / nicht mehr an.