# vim:ts=4:et
# ##### BEGIN GPL LICENSE BLOCK #####
#
#  This program 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 2
#  of the License, or (at your option) any later version.
#
#  This program 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 this program; if not, write to the Free Software Foundation,
#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####

# copied from io_scene_obj

# <pep8 compliant>

bl_info = {
    "name": "Quake map format",
    "author": "Bill Currie",
    "blender": (2, 6, 3),
    "api": 35622,
    "location": "File > Import-Export",
    "description": "Import-Export Quake maps",
    "warning": "not even alpha",
    "wiki_url": "",
    "tracker_url": "",
#    "support": 'OFFICIAL',
    "category": "Import-Export"}

# To support reload properly, try to access a package var, if it's there,
# reload everything
if "bpy" in locals():
    import imp
    if "import_map" in locals():
        imp.reload(import_map)
    if "export_map" in locals():
        imp.reload(export_map)

from pprint import pprint

import bpy
from bpy.props import BoolProperty, FloatProperty, StringProperty, EnumProperty
from bpy.props import FloatVectorProperty, PointerProperty
from bpy_extras.io_utils import ExportHelper, ImportHelper, path_reference_mode, axis_conversion
from bpy.app.handlers import persistent

from .entityclass import EntityClassDict, EntityClassError
from . import entity
from . import import_map
#from . import export_map

def ecm_draw(self, context):
    layout = self.layout
    for item in self.menu_items:
        if type(item[1]) is str:
            ec = context.scene.qfmap.entity_classes.entity_classes[item[1]]
            if ec.size:
                icon = 'OBJECT_DATA'
            else:
                icon = 'MESH_DATA'
            op = layout.operator("object.add_entity", text=item[0], icon=icon)
            op.entclass=item[1]
            if ec.comment:
                pass
        else:
            layout.menu(item[1].bl_idname)

class EntityClassMenu:
    @classmethod
    def clear(cls):
        while cls.menu_items:
            if type(cls.menu_item[0][1]) is not str:
                bpy.utils.unregister_class(cls.menu_items[0][1])
                cls.menu_items[0][1].clear()
            del cls.menu_items[0]
    @classmethod
    def build(cls, menudict, name="INFO_MT_entity_add", label="entity"):
        items = list(menudict.items())
        items.sort()
        menu_items = []
        for i in items:
            i = list(i)
            if type(i[1]) is dict:
                if i[0]:
                    nm = "_".join((name, i[0]))
                else:
                    nm = name
                i[1] = cls.build(i[1], nm, i[0])
            menu_items.append(i)
        attrs = {}
        attrs["menu_items"] = menu_items
        attrs["draw"] = ecm_draw
        attrs["bl_idname"] = name
        attrs["bl_label"] = label
        attrs["clear"] = cls.clear
        menu = type(name, (bpy.types.Menu,), attrs)
        bpy.utils.register_class(menu)
        return menu

@persistent
def scene_load_handler(dummy):
    for scene in bpy.data.scenes:
        if hasattr(scene, "qfmap"):
            scene.qfmap.script_update(bpy.context)

class MapeditMessage(bpy.types.Operator):
    bl_idname = "qfmapedit.message"
    bl_label = "Message"
    type = StringProperty()
    message = StringProperty()

    def execute(self, context):
        self.report({'INFO'}, message)
        return {'FINISHED'}
    def invoke(self, context, event):
        wm = context.window_manager
        return wm.invoke_popup(self, width=400, height=200)
    def draw(self, context):
        self.layout.label(self.type, icon='ERROR')
        self.layout.label(self.message)

def scan_entity_classes(context):
    qfmap = context.scene.qfmap
    if not qfmap.dirpath:
        return
    qfmap.entity_classes.from_source_tree(qfmap.dirpath)
    name = context.scene.name + '-EntityClasses'
    if name in bpy.data.texts:
        txt = bpy.data.texts[name]
    else:
        txt = bpy.data.texts.new(name)
    txt.from_string(qfmap.entity_classes.to_plist())
    qfmap.script = name

def parse_entity_classes(context):
    context.scene.qfmap.script_update(context)

def ec_dir_update(self, context):
    try:
        scan_entity_classes(context)
    except EntityClassError as err:
        self.dirpath = ""
        bpy.ops.qfmapedit.message('INVOKE_DEFAULT', type="Error",
                                  message="Entity Class Error: %s" % err)

def ec_script_update(self, context):
    self.script_update(context)

class AddEntity(bpy.types.Operator):
    '''Add an entity'''
    bl_idname = "object.add_entity"
    bl_label = "Entity"
    entclass = StringProperty(name = "entclass")

    def execute(self, context):
        keywords = self.as_keywords()
        return entity.add_entity(self, context, **keywords)

class QFEntityClassScan(bpy.types.Operator):
    '''Rescan the specified QuakeC source tree'''
    bl_idname = "scene.scan_entity_classes"
    bl_label = "RELOAD"

    def execute(self, context):
        scan_entity_classes(context)
        return {'FINISHED'}

class QFEntityClassParse(bpy.types.Operator):
    '''Reparse the specified entity class script'''
    bl_idname = "scene.parse_entity_classes"
    bl_label = "RELOAD"

    def execute(self, context):
        parse_entity_classes(context)
        return {'FINISHED'}

class QFEntityClasses(bpy.types.PropertyGroup):
    wadpath = StringProperty(
        name="wadpath",
        description="Path to search for wad files",
        subtype='DIR_PATH')
    dirpath = StringProperty(
        name="dirpath",
        description="Path to qc source tree",
        subtype='DIR_PATH',
        update=ec_dir_update)
    script = StringProperty(
        name="script",
        description="entity class storage",
        update=ec_script_update)
    entity_classes = EntityClassDict()
    ecm = EntityClassMenu.build({})
    entity_targets = {}
    target_entities = []

    def script_update(self, context):
        if self.script in bpy.data.texts:
            script = bpy.data.texts[self.script].as_string()
            self.entity_classes.from_plist(script)
            menudict = {}
            entclasses = self.entity_classes.entity_classes.keys()
            for ec in entclasses:
                ecsub = ec.split("_")
                d = menudict
                for sub in ecsub[:-1]:
                    if sub not in d:
                        d[sub] = {}
                    elif type(d[sub]) is str:
                        d[sub] = {"":d[sub]}
                    d = d[sub]
                sub = ecsub[-1]
                if sub in d:
                    d[sub][""] = ec
                else:
                    d[sub] = ec
            self.__class__.ecm = EntityClassMenu.build(menudict)

class QFECPanel(bpy.types.Panel):
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'WINDOW'
    bl_context = 'scene'
    bl_label = 'QF Entity Classes'

    @classmethod
    def poll(cls, context):
        return True

    def draw(self, context):
        layout = self.layout
        scene = context.scene
        row = layout.row()
        layout.prop(scene.qfmap, "wadpath")
        row = layout.row()
        row.prop(scene.qfmap, "dirpath")
        row.operator("scene.scan_entity_classes", text="", icon="FILE_REFRESH")
        row = layout.row()
        row.prop(scene.qfmap, "script")
        row.operator("scene.parse_entity_classes", text="", icon="FILE_REFRESH")

class ImportMap(bpy.types.Operator, ImportHelper):
    '''Load a Quake map File'''
    bl_idname = "import_mesh.quake_map"
    bl_label = "Import map"

    filename_ext = ".map"
    filter_glob = StringProperty(default="*.map", options={'HIDDEN'})

    def execute(self, context):
        keywords = self.as_keywords (ignore=("filter_glob",))
        return import_map.import_map(self, context, **keywords)

class ExportMap(bpy.types.Operator, ExportHelper):
    '''Save a Quake map File'''

    bl_idname = "export_mesh.quake_map"
    bl_label = "Export map"

    filename_ext = ".map"
    filter_glob = StringProperty(default="*.map", options={'HIDDEN'})

    @classmethod
    def poll(cls, context):
        return (context.active_object != None
                and type(context.active_object.data) == bpy.types.Mesh)

    def execute(self, context):
        keywords = self.as_keywords (ignore=("check_existing", "filter_glob"))
        return export_map.export_map(self, context, **keywords)

def menu_func_import(self, context):
    self.layout.operator(ImportMap.bl_idname, text="Quake map (.map)")

def menu_func_export(self, context):
    self.layout.operator(ExportMap.bl_idname, text="Quake map (.map)")

def menu_func_add(self, context):
    self.layout.menu(context.scene.qfmap.ecm.bl_idname, icon='PLUGIN')

def register():
    bpy.utils.register_module(__name__)

    bpy.types.Scene.qfmap = PointerProperty(type=QFEntityClasses)

    bpy.types.INFO_MT_file_import.append(menu_func_import)
    bpy.types.INFO_MT_file_export.append(menu_func_export)
    bpy.types.INFO_MT_add.append(menu_func_add)

    bpy.app.handlers.load_post.append(scene_load_handler)
    entity.register()


def unregister():
    bpy.utils.unregister_module(__name__)

    bpy.types.INFO_MT_file_import.remove(menu_func_import)
    bpy.types.INFO_MT_file_export.remove(menu_func_export)
    bpy.types.INFO_MT_add.remove(menu_func_add)

if __name__ == "__main__":
    register()