# -*- coding: utf-8 -*-
# This file is for code dealing specifically with blender

import bpy
from bpy.props import CollectionProperty
from bpy.types import PropertyGroup, Panel, UIList, AddonPreferences, Operator
from .subprocess_adapter import SubprocessOperatorMixin

class RepositoryProperty(PropertyGroup):
    url = bpy.props.StringProperty(name="URL")

class PACKAGE_UL_repositories(UIList):
    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
        split = layout.split(0.3)
        split.prop(item, "name")
        split.prop(item, "url")

    def invoke(self, onctext, event):
        pass

class PackagePreferences(AddonPreferences):
    bl_idname = __package__

    repositories = CollectionProperty(type=RepositoryProperty)
    active_repository = bpy.props.IntProperty()

    def draw(self, context):
        layout = self.layout
        row = layout.row()
        row.template_list("PACKAGE_UL_repositories", "", self, "repositories", self, "active_repository")
        col = row.column(align=True)
        col.operator("package.add_repository", icon="ZOOMIN", text="")
        col.operator("package.remove_repository", icon="ZOOMOUT", text="")

class PACKAGE_OT_fetch(SubprocessOperatorMixin, bpy.types.Operator):
    bl_idname = "package.fetch"
    bl_label = "Update package list(s)"

    last_response = None

    def __init__(self):
        super().__init__()
        settings = bpy.context.window_manager.package_manager_settings
        self.subprocess = Process(target=blenderpack.fetch, args=(settings.url, self.pipe))

    def handle_response(self, resp):
        self.__class__.last_response = resp
        self.report({'INFO'}, "Request returned %s" % self.__class__.last_response)

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

class PACKAGE_OT_add_repository(bpy.types.Operator):
    bl_idname = "package.add_repository"
    bl_label = "Add Repository"

    def execute(self, context):
        prefs = context.user_preferences.addons[__package__].preferences
        prefs.repositories.add()
        return {'FINISHED'}

class PACKAGE_OT_remove_repository(bpy.types.Operator):
    bl_idname = "package.remove_repository"
    bl_label = "Remove Repository"

    def execute(self, context):
        prefs = context.user_preferences.addons[__package__].preferences
        prefs.repositories.remove(prefs.active_repository)
        return {'FINISHED'}


def register():
    bpy.utils.register_class(RepositoryProperty)
    bpy.utils.register_class(PackagePreferences)

    bpy.utils.register_class(PACKAGE_OT_fetch)

    bpy.utils.register_class(PACKAGE_OT_add_repository)
    bpy.utils.register_class(PACKAGE_OT_remove_repository)
    bpy.utils.register_class(PACKAGE_UL_repositories)

def unregister():
    bpy.utils.unregister_class(RepositoryProperty)
    bpy.utils.unregister_class(PackagePreferences)

    bpy.utils.unregister_class(PACKAGE_OT_fetch)

    bpy.utils.unregister_class(PACKAGE_OT_add_repository)
    bpy.utils.unregister_class(PACKAGE_OT_remove_repository)
    bpy.utils.unregister_class(PACKAGE_UL_repositories)