"""
Copyright (C) 2019 Remington Creative

This file is part of Atomic Data Manager.

Atomic Data Manager is free software: you can redistribute
it and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

Atomic Data Manager is distributed in the hope that it will
be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License along
with Atomic Data Manager.  If not, see <https://www.gnu.org/licenses/>.

---

This file contains functions that detect unnamed data-blocks in the
Blender project.

"""

import bpy
import re
from ..utils import compat


def collections():
    # returns the keys of all unnamed collections in the project
    unnamed = []

    for collection in bpy.data.collections:
        # Skip library-linked and override datablocks
        if compat.is_library_or_override(collection):
            continue
        if re.match(r'.*\.\d\d\d$', collection.name) or \
                collection.name.startswith("Collection"):
            unnamed.append(collection.name)

    return unnamed


def images():
    # returns the keys of all unnamed images in the project
    unnamed = []

    for image in bpy.data.images:
        # Skip library-linked and override datablocks
        if compat.is_library_or_override(image):
            continue
        if re.match(r'.*\.\d\d\d$', image.name) or \
                image.name.startswith("Untitled"):
            unnamed.append(image.name)

    return unnamed


def lights():
    # returns the keys of all unnamed lights in the project
    unnamed = []

    for light in bpy.data.lights:
        # Skip library-linked and override datablocks
        if compat.is_library_or_override(light):
            continue
        if re.match(r'.*\.\d\d\d$', light.name) or \
                light.name.startswith("Light"):
            unnamed.append(light.name)

    return unnamed


def materials():
    # returns the keys of all unnamed materials in the project
    unnamed = []

    for material in bpy.data.materials:
        # Skip library-linked and override datablocks
        if compat.is_library_or_override(material):
            continue
        if re.match(r'.*\.\d\d\d$', material.name) or \
                material.name.startswith("Material"):
            unnamed.append(material.name)

    return unnamed


def objects():
    # returns the keys of all unnamed materials in the project
    # NOTE: lists of default names must be tuples!

    # the default names all curve objects
    curve_names = (
        "BezierCircle",
        "BezierCurve",
        "NurbsCircle",
        "NurbsCurve",
        "NurbsPath"
    )

    # the default names of all grease pencil objects
    gpencil_names = (
        "GPencil",
        "Stroke"
    )

    # the default names of all light objects
    light_names = (
        "Area",
        "Light",
        "Point",
        "Spot",
        "Sun"
    )

    # the default names of all light probe objects
    lprobe_names = (
        "IrradianceVolume",
        "ReflectionCubemap",
        "ReflectionPlane"
    )

    # the default names of all mesh objects
    mesh_names = (
        "Circle",
        "Cone",
        "Cube",
        "Cylinder",
        "Grid",
        "Icosphere",
        "Plane",
        "Sphere",
        "Torus"
    )

    # the default names of all miscellaneous objects
    misc_names = (
        "Mball",
        "Text",
        "Armature",
        "Lattice",
        "Empty",
        "Camera",
        "Speaker",
        "Field"
    )

    # the default names of all nurbs objects
    nurbs_names = (
        "SurfCircle",
        "SurfCurve",
        "SurfPatch",
        "SurfTorus",
        "Surface"
    )

    # the default names of all objects compiled into one tuple
    default_obj_names = \
        curve_names + gpencil_names + light_names + lprobe_names + \
        mesh_names + misc_names + nurbs_names

    unnamed = []

    for obj in bpy.data.objects:
        # Skip library-linked and override datablocks
        if compat.is_library_or_override(obj):
            continue
        if re.match(r'.*\.\d\d\d$', obj.name) or \
                obj.name.startswith(default_obj_names):
            unnamed.append(obj.name)

    return unnamed


def node_groups():
    # returns the keys of all unnamed node groups in the project
    unnamed = []

    for node_group in bpy.data.node_groups:
        # Skip library-linked and override datablocks
        if compat.is_library_or_override(node_group):
            continue
        if re.match(r'.*\.\d\d\d$', node_group.name) or \
                node_group.name.startswith("NodeGroup"):
            unnamed.append(node_group.name)

    return unnamed


def particles():
    # returns the keys of all unnamed particle systems in the project
    unnamed = []

    for particle in bpy.data.particles:
        # Skip library-linked and override datablocks
        if compat.is_library_or_override(particle):
            continue
        if re.match(r'.*\.\d\d\d$', particle.name) or \
                particle.name.startswith("ParticleSettings"):
            unnamed.append(particle.name)

    return unnamed


def textures():
    # returns the keys of all unnamed textures in the project
    unnamed = []

    for texture in bpy.data.textures:
        # Skip library-linked and override datablocks
        if compat.is_library_or_override(texture):
            continue
        if re.match(r'.*\.\d\d\d$', texture.name) or \
                texture.name.startswith("Texture"):
            unnamed.append(texture.name)

    return unnamed


def worlds():
    # returns the keys of all unnamed worlds in the project
    unnamed = []

    for world in bpy.data.worlds:
        # Skip library-linked and override datablocks
        if compat.is_library_or_override(world):
            continue
        if re.match(r'.*\.\d\d\d$', world.name) or \
                world.name.startswith("World"):
            unnamed.append(world.name)

    return unnamed