import bpy
from bpy.props import EnumProperty, PointerProperty, StringProperty

from .. import config
from ..core import contexts, runner
from ..core.check import ADDON_ID


class WTD_SanitySettings(bpy.types.PropertyGroup):
    """Per-file settings, saved in the .blend."""

    context: EnumProperty(
        name="Context",
        description="Production context the file is checked against",
        items=contexts.enum_items(),
        update=lambda self, context: runner.clear(),
    )
    asset_name: StringProperty(
        name="Asset Name",
        description="Asset / character name. Leave empty to read it from the file name",
    )
    disabled_checks: StringProperty(
        name="Disabled Checks",
        description="Ids of the checks disabled in this file, separated by ';'",
    )


def get_prefs():
    addon = bpy.context.preferences.addons.get(ADDON_ID)
    return addon.preferences if addon else None


def _apply_config_override(self, context):
    load_config_override(self.config_path)


def load_config_override(path=""):
    try:
        applied = config.apply_overrides(bpy.path.abspath(path) if path else "")
    except (OSError, ValueError) as exc:
        print(f"[WTD Sanity] Could not load config override: {exc}")
    else:
        if applied:
            print(f"[WTD Sanity] Config override: {', '.join(applied)}")


class WTD_SanityPreferences(bpy.types.AddonPreferences):
    bl_idname = ADDON_ID

    char_reference_path: StringProperty(
        name="Character Reference",
        description="Reference JSON exported from the master character (falls back to $WTD_CHAR_REFERENCE)",
        subtype="FILE_PATH",
    )
    config_path: StringProperty(
        name="Config Override",
        description="JSON file overriding values of config.py (falls back to $WTD_SANITY_CONFIG)",
        subtype="FILE_PATH",
        update=_apply_config_override,
    )

    def draw(self, context):
        layout = self.layout
        layout.prop(self, "char_reference_path")
        layout.prop(self, "config_path")


classes = (WTD_SanitySettings, WTD_SanityPreferences)


def register():
    for cls in classes:
        bpy.utils.register_class(cls)
    bpy.types.Scene.wtd_sanity = PointerProperty(type=WTD_SanitySettings)


def unregister():
    del bpy.types.Scene.wtd_sanity
    for cls in reversed(classes):
        bpy.utils.unregister_class(cls)