import shutil
import bpy
import subprocess
import os
from bpy.types import Menu, Panel, UIList
from bpy.props import *
from arm.props_traits_params import *
from arm.props_traits_props import *
import arm.utils
import arm.write_data as write_data

def trigger_recompile(self, context):
    wrd = bpy.data.worlds['Arm']
    wrd.arm_recompile = True

def update_trait_group(self, context):
    o = context.object
    if o == None:
        return
    i = o.arm_traitlist_index
    if i >= 0 and i < len(o.arm_traitlist):
        t = o.arm_traitlist[i]
        if t.type_prop == 'Haxe Script' or t.type_prop == 'Bundled Prop':
            t.name = t.class_name_prop
        elif t.type_prop == 'WebAssembly':
            t.name = t.webassembly_prop
        elif t.type_prop == 'UI Canvas':
            t.name = t.canvas_name_prop
        elif t.type_prop == 'Logic Nodes':
            t.name = t.nodes_name_prop
    # Clean
    for g in bpy.data.groups:
        if g.name.startswith('Trait|') and o.name in g.objects:
            g.objects.unlink(o)
    # Readd
    for t in o.arm_traitlist:
        if 'Trait|' + t.name not in bpy.data.groups:
            g = bpy.data.groups.new('Trait|' + t.name)
        else:
            g = bpy.data.groups['Trait|' + t.name]
        g.objects.link(o)

class ArmTraitListItem(bpy.types.PropertyGroup):
    name = bpy.props.StringProperty(name="Name", description="A name for this item", default="")
    enabled_prop = bpy.props.BoolProperty(name="", description="A name for this item", default=True, update=trigger_recompile)
    type_prop = bpy.props.EnumProperty(
        items = [('Haxe Script', 'Haxe Script', 'Haxe Script'),
                 ('WebAssembly', 'WebAssembly', 'WebAssembly'),
                 ('UI Canvas', 'UI Canvas', 'UI Canvas'),
                 ('Bundled Script', 'Bundled Script', 'Bundled Script'),
                 ('Logic Nodes', 'Logic Nodes', 'Logic Nodes')
                 ],
        name = "Type")
    class_name_prop = bpy.props.StringProperty(name="Class", description="A name for this item", default="", update=update_trait_group)
    canvas_name_prop = bpy.props.StringProperty(name="Canvas", description="A name for this item", default="", update=update_trait_group)
    webassembly_prop = bpy.props.StringProperty(name="Text", description="A name for this item", default="", update=update_trait_group)
    nodes_name_prop = bpy.props.StringProperty(name="Nodes", description="A name for this item", default="", update=update_trait_group)

    arm_traitparamslist = bpy.props.CollectionProperty(type=ArmTraitParamListItem)
    arm_traitparamslist_index = bpy.props.IntProperty(name="Index for my_list", default=0)
    arm_traitpropslist = bpy.props.CollectionProperty(type=ArmTraitPropListItem)
    arm_traitpropslist_index = bpy.props.IntProperty(name="Index for my_list", default=0)

class ArmTraitList(bpy.types.UIList):
    def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
        # We could write some code to decide which icon to use here...
        custom_icon = 'OBJECT_DATAMODE'

        # Make sure your code supports all 3 layout types
        if self.layout_type in {'DEFAULT', 'COMPACT'}:
            layout.prop(item, "enabled_prop")
            layout.label(item.name, icon=custom_icon)

        elif self.layout_type in {'GRID'}:
            layout.alignment = 'CENTER'
            layout.label("", icon = custom_icon)

class ArmTraitListNewItem(bpy.types.Operator):
    # Add a new item to the list
    bl_idname = "arm_traitlist.new_item"
    bl_label = "Add a new item"

    is_object = bpy.props.BoolProperty(name="", description="A name for this item", default=False)

    def execute(self, context):
        if self.is_object:
            obj = bpy.context.object
        else:
            obj = bpy.context.scene
        trait = obj.arm_traitlist.add()
        obj.arm_traitlist_index = len(obj.arm_traitlist) - 1
        trigger_recompile(None, None)
        return{'FINISHED'}


class ArmTraitListDeleteItem(bpy.types.Operator):
    # Delete the selected item from the list
    bl_idname = "arm_traitlist.delete_item"
    bl_label = "Deletes an item"

    is_object = bpy.props.BoolProperty(name="", description="A name for this item", default=False)

    @classmethod
    def poll(self, context):
        """ Enable if there's something in the list """
        obj = bpy.context.object
        if obj == None:
            return False
        return len(obj.arm_traitlist) > 0

    def execute(self, context):
        obj = bpy.context.object
        lst = obj.arm_traitlist
        index = obj.arm_traitlist_index

        if len(lst) <= index:
            return{'FINISHED'}

        lst.remove(index)
        update_trait_group(self, context)

        if index > 0:
            index = index - 1

        obj.arm_traitlist_index = index
        return{'FINISHED'}

class ArmTraitListDeleteItemScene(bpy.types.Operator):
    # Delete the selected item from the list
    bl_idname = "arm_traitlist.delete_item_scene"
    bl_label = "Deletes an item"

    is_object = bpy.props.BoolProperty(name="", description="A name for this item", default=False)

    @classmethod
    def poll(self, context):
        """ Enable if there's something in the list """
        obj = bpy.context.scene
        if obj == None:
            return False
        return len(obj.arm_traitlist) > 0

    def execute(self, context):
        obj = bpy.context.scene
        lst = obj.arm_traitlist
        index = obj.arm_traitlist_index

        if len(lst) <= index:
            return{'FINISHED'}

        lst.remove(index)

        if index > 0:
            index = index - 1

        obj.arm_traitlist_index = index
        return{'FINISHED'}

class ArmTraitListMoveItem(bpy.types.Operator):
    # Move an item in the list
    bl_idname = "arm_traitlist.move_item"
    bl_label = "Move an item in the list"
    direction = bpy.props.EnumProperty(
                items=(
                    ('UP', 'Up', ""),
                    ('DOWN', 'Down', ""),))

    is_object = bpy.props.BoolProperty(name="", description="A name for this item", default=False)

    # @classmethod
    # def poll(self, context):
    #     if self.is_object:
    #         obj = bpy.context.object
    #     else:
    #         obj = bpy.context.scene
    #     if obj == None:
    #         return False
    #     """ Enable if there's something in the list. """
    #     return len(obj.arm_traitlist) > 0


    def move_index(self):
        # Move index of an item render queue while clamping it
        if self.is_object:
            obj = bpy.context.object
        else:
            obj = bpy.context.scene
        index = obj.arm_traitlist_index
        list_length = len(obj.arm_traitlist) - 1
        new_index = 0

        if self.direction == 'UP':
            new_index = index - 1
        elif self.direction == 'DOWN':
            new_index = index + 1

        new_index = max(0, min(new_index, list_length))
        index = new_index


    def execute(self, context):
        if self.is_object:
            obj = bpy.context.object
        else:
            obj = bpy.context.scene
        list = obj.arm_traitlist
        index = obj.arm_traitlist_index

        if self.direction == 'DOWN':
            neighbor = index + 1
            #queue.move(index,neighbor)
            self.move_index()

        elif self.direction == 'UP':
            neighbor = index - 1
            #queue.move(neighbor, index)
            self.move_index()
        else:
            return{'CANCELLED'}
        return{'FINISHED'}

class ArmEditScriptButton(bpy.types.Operator):
    '''Edit script in Kode Studio'''
    bl_idname = 'arm.edit_script'
    bl_label = 'Edit Script'

    is_object = bpy.props.BoolProperty(name="", description="A name for this item", default=False)
 
    def execute(self, context):
        if self.is_object:
            obj = bpy.context.object
        else:
            obj = bpy.context.scene
        project_path = arm.utils.get_fp()
        item = obj.arm_traitlist[obj.arm_traitlist_index]
        pkg = arm.utils.safestr(bpy.data.worlds['Arm'].arm_project_package)
        hx_path = project_path + '/Sources/' + pkg + '/' + item.class_name_prop + '.hx'

        sdk_path = arm.utils.get_sdk_path()
        if arm.utils.get_os() == 'win':
            arm.utils.kode_studio_mklink(sdk_path)
            kode_path = sdk_path + '/win32/Kode Studio.exe'
            subprocess.Popen([kode_path, arm.utils.get_fp(), hx_path])
        elif arm.utils.get_os() == 'mac':
            kode_path = '"' + sdk_path + '/Kode Studio.app/Contents/MacOS/Electron"'
            subprocess.Popen([kode_path + ' "' + arm.utils.get_fp() + '" "' + hx_path + '"'], shell=True)
        else:
            kode_path = sdk_path + '/linux64/kodestudio'
            subprocess.Popen([kode_path, arm.utils.get_fp(), hx_path])
        
        return{'FINISHED'}

class ArmEditBundledScriptButton(bpy.types.Operator):
    '''Copy script to project and edit in Kode Studio'''
    bl_idname = 'arm.edit_bundled_script'
    bl_label = 'Edit Script'

    is_object = bpy.props.BoolProperty(name="", description="A name for this item", default=False)
 
    def execute(self, context):
        if self.is_object:
            obj = bpy.context.object
        else:
            obj = bpy.context.scene
        sdk_path = arm.utils.get_sdk_path()
        project_path = arm.utils.get_fp()
        pkg = arm.utils.safestr(bpy.data.worlds['Arm'].arm_project_package)
        item = obj.arm_traitlist[obj.arm_traitlist_index]  
        source_hx_path = sdk_path + '/armory/Sources/armory/trait/' + item.class_name_prop + '.hx'
        target_hx_path = project_path + '/Sources/' + pkg + '/' + item.class_name_prop + '.hx'

        if not os.path.isfile(target_hx_path):
            # Rewrite package and copy
            sf = open(source_hx_path)
            sf.readline()
            tf = open(target_hx_path, 'w')
            tf.write('package ' + pkg + ';\n')
            shutil.copyfileobj(sf, tf)
            sf.close()
            tf.close()
            arm.utils.fetch_script_names()

        # From bundled to script
        item.type_prop = 'Haxe Script'

        # Edit in Kode Studio
        bpy.ops.arm.edit_script('EXEC_DEFAULT', is_object=self.is_object)
        
        return{'FINISHED'}

class ArmEditCanvasButton(bpy.types.Operator):
    '''Edit ui canvas'''
    bl_idname = 'arm.edit_canvas'
    bl_label = 'Edit Canvas'

    is_object = bpy.props.BoolProperty(name="", description="A name for this item", default=False)
 
    def execute(self, context):
        if self.is_object:
            obj = bpy.context.object
        else:
            obj = bpy.context.scene
        project_path = arm.utils.get_fp()
        item = obj.arm_traitlist[obj.arm_traitlist_index]
        canvas_path = project_path + '/Bundled/canvas/' + item.canvas_name_prop + '.json'
        write_data.write_canvasprefs(canvas_path)

        sdk_path = arm.utils.get_sdk_path()
        armorui_path = sdk_path + '/armory/tools/armorui/krom'
        krom_location, krom_path = arm.utils.krom_paths()
        os.chdir(krom_location)
        subprocess.Popen([krom_path, armorui_path, armorui_path, '--nosound'])
        return{'FINISHED'}

class ArmNewScriptDialog(bpy.types.Operator):
    '''Create blank script'''
    bl_idname = "arm.new_script"
    bl_label = "New Script"
 
    is_object = bpy.props.BoolProperty(name="", description="A name for this item", default=False)
    class_name = StringProperty(name="Name")
 
    def execute(self, context):
        if self.is_object:
            obj = bpy.context.object
        else:
            obj = bpy.context.scene
        self.class_name = self.class_name.replace(' ', '')
        write_data.write_traithx(self.class_name)
        arm.utils.fetch_script_names()
        item = obj.arm_traitlist[obj.arm_traitlist_index] 
        item.class_name_prop = self.class_name 
        return {'FINISHED'}
 
    def invoke(self, context, event):
        if not arm.utils.check_saved(self):
            return {'CANCELLED'}
        self.class_name = 'MyTrait'
        return context.window_manager.invoke_props_dialog(self)

class ArmNewCanvasDialog(bpy.types.Operator):
    '''Create blank canvas'''
    bl_idname = "arm.new_canvas"
    bl_label = "New Canvas"
 
    is_object = bpy.props.BoolProperty(name="", description="A name for this item", default=False)
    canvas_name = StringProperty(name="Name")
 
    def execute(self, context):
        if self.is_object:
            obj = bpy.context.object
        else:
            obj = bpy.context.scene
        self.canvas_name = self.canvas_name.replace(' ', '')
        write_data.write_canvasjson(self.canvas_name)
        arm.utils.fetch_script_names()
        item = obj.arm_traitlist[obj.arm_traitlist_index] 
        item.canvas_name_prop = self.canvas_name 
        return {'FINISHED'}
 
    def invoke(self, context, event):
        if not arm.utils.check_saved(self):
            return {'CANCELLED'}
        self.canvas_name = 'MyCanvas'
        return context.window_manager.invoke_props_dialog(self)

class ArmRefreshScriptsButton(bpy.types.Operator):
    '''Fetch all script names'''
    bl_idname = 'arm.refresh_scripts'
    bl_label = 'Refresh'
 
    def execute(self, context):
        arm.utils.fetch_bundled_script_names()
        arm.utils.fetch_script_names()
        arm.utils.fetch_trait_props()
        return{'FINISHED'}

class ArmRefreshCanvasListButton(bpy.types.Operator):
    '''Fetch all canvas names'''
    bl_idname = 'arm.refresh_canvas_list'
    bl_label = 'Refresh'
 
    def execute(self, context):
        arm.utils.fetch_script_names()
        return{'FINISHED'}

class ArmTraitsPanel(bpy.types.Panel):
    bl_label = "Armory Traits"
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "object"
 
    def draw(self, context):
        layout = self.layout
        obj = bpy.context.object
        draw_traits(layout, obj, is_object=True)

class ArmSceneTraitsPanel(bpy.types.Panel):
    bl_label = "Armory Traits"
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "scene"
 
    def draw(self, context):
        layout = self.layout        
        obj = bpy.context.scene
        draw_traits(layout, obj, is_object=False)

def draw_traits(layout, obj, is_object):
    rows = 2
    if len(obj.arm_traitlist) > 1:
        rows = 4
    
    row = layout.row()
    row.template_list("ArmTraitList", "The_List", obj, "arm_traitlist", obj, "arm_traitlist_index", rows=rows)
    
    col = row.column(align=True)
    op = col.operator("arm_traitlist.new_item", icon='ZOOMIN', text="")
    op.is_object = is_object
    if is_object:
        op = col.operator("arm_traitlist.delete_item", icon='ZOOMOUT', text="")#.all = False
    else:
        op = col.operator("arm_traitlist.delete_item_scene", icon='ZOOMOUT', text="")#.all = False
    op.is_object = is_object

    if len(obj.arm_traitlist) > 1:
        col.separator()
        op = col.operator("arm_traitlist.move_item", icon='TRIA_UP', text="")
        op.direction = 'UP'
        op.is_object = is_object
        op = col.operator("arm_traitlist.move_item", icon='TRIA_DOWN', text="")
        op.direction = 'DOWN'
        op.is_object = is_object

    if obj.arm_traitlist_index >= 0 and len(obj.arm_traitlist) > 0:
        item = obj.arm_traitlist[obj.arm_traitlist_index]
        # Default props
        row = layout.row()
        row.prop(item, "type_prop")

        if item.type_prop == 'Haxe Script' or item.type_prop == 'Bundled Script':
            item.name = item.class_name_prop
            row = layout.row()
            # row.prop(item, "class_name_prop")
            if item.type_prop == 'Haxe Script':
                row.prop_search(item, "class_name_prop", bpy.data.worlds['Arm'], "arm_scripts_list", "Class")
            else:
                # Bundled scripts not yet fetched
                if len(bpy.data.worlds['Arm'].arm_bundled_scripts_list) == 0:
                    arm.utils.fetch_bundled_script_names()
                row.prop_search(item, "class_name_prop", bpy.data.worlds['Arm'], "arm_bundled_scripts_list", "Class")
            
            # Props
            if len(item.arm_traitpropslist) > 0:
                propsrow = layout.row()
                propsrows = 2
                if len(item.arm_traitpropslist) > 2:
                    propsrows = 4
                row = layout.row()
                row.template_list("ArmTraitPropList", "The_List", item, "arm_traitpropslist", item, "arm_traitpropslist_index", rows=propsrows)
            
            # Params
            layout.label("Parameters")
            paramsrow = layout.row()
            paramsrows = 2
            if len(item.arm_traitparamslist) > 1:
                paramsrows = 4
            
            row = layout.row()
            row.template_list("ArmTraitParamList", "The_List", item, "arm_traitparamslist", item, "arm_traitparamslist_index", rows=paramsrows)

            col = row.column(align=True)
            op = col.operator("arm_traitparamslist.new_item", icon='ZOOMIN', text="")
            op.is_object = is_object
            op = col.operator("arm_traitparamslist.delete_item", icon='ZOOMOUT', text="")
            op.is_object = is_object

            if len(item.arm_traitparamslist) > 1:
                col.separator()
                op = col.operator("arm_traitparamslist.move_item", icon='TRIA_UP', text="")
                op.direction = 'UP'
                op.is_object = is_object
                op = col.operator("arm_traitparamslist.move_item", icon='TRIA_DOWN', text="")
                op.direction = 'DOWN'
                op.is_object = is_object

            if item.arm_traitparamslist_index >= 0 and len(item.arm_traitparamslist) > 0:
                paramitem = item.arm_traitparamslist[item.arm_traitparamslist_index]   

            if item.type_prop == 'Haxe Script':
                row = layout.row(align=True)
                row.alignment = 'EXPAND'
                column = row.column(align=True)
                column.alignment = 'EXPAND'
                if item.class_name_prop == '':
                    column.enabled = False
                op = column.operator("arm.edit_script")
                op.is_object = is_object
                op = row.operator("arm.new_script")
                op.is_object = is_object
                op = row.operator("arm.refresh_scripts")
            else: # Bundled
                op = layout.operator("arm.edit_bundled_script")
                op.is_object = is_object
        
        elif item.type_prop == 'WebAssembly':
            pass
            # item.name = item.webassembly_prop
            # row = layout.row()
            # row.prop_search(item, "webassembly_prop", bpy.data, "texts", "Text")

        elif item.type_prop == 'UI Canvas':
            item.name = item.canvas_name_prop
            row = layout.row()
            row.prop_search(item, "canvas_name_prop", bpy.data.worlds['Arm'], "arm_canvas_list", "Canvas")
            
            row = layout.row(align=True)
            row.alignment = 'EXPAND'
            column = row.column(align=True)
            column.alignment = 'EXPAND'
            if item.canvas_name_prop == '':
                column.enabled = False
            op = column.operator("arm.edit_canvas")
            op.is_object = is_object
            op = row.operator("arm.new_canvas")
            op.is_object = is_object
            op = row.operator("arm.refresh_canvas_list")

        elif item.type_prop == 'Logic Nodes':
            item.name = item.nodes_name_prop
            row = layout.row()
            row.prop_search(item, "nodes_name_prop", bpy.data, "node_groups", "Tree")

def register():  
    bpy.utils.register_class(ArmTraitListItem)
    bpy.utils.register_class(ArmTraitList)
    bpy.utils.register_class(ArmTraitListNewItem)
    bpy.utils.register_class(ArmTraitListDeleteItem)
    bpy.utils.register_class(ArmTraitListDeleteItemScene)
    bpy.utils.register_class(ArmTraitListMoveItem)
    bpy.utils.register_class(ArmEditScriptButton)
    bpy.utils.register_class(ArmEditBundledScriptButton)
    bpy.utils.register_class(ArmEditCanvasButton)
    bpy.utils.register_class(ArmNewScriptDialog)
    bpy.utils.register_class(ArmNewCanvasDialog)
    bpy.utils.register_class(ArmRefreshScriptsButton)
    bpy.utils.register_class(ArmRefreshCanvasListButton)
    bpy.utils.register_class(ArmTraitsPanel)
    bpy.utils.register_class(ArmSceneTraitsPanel)
    bpy.types.Object.arm_traitlist = bpy.props.CollectionProperty(type=ArmTraitListItem)
    bpy.types.Object.arm_traitlist_index = bpy.props.IntProperty(name="Index for arm_traitlist", default=0)
    bpy.types.Scene.arm_traitlist = bpy.props.CollectionProperty(type=ArmTraitListItem)
    bpy.types.Scene.arm_traitlist_index = bpy.props.IntProperty(name="Index for arm_traitlist", default=0)

def unregister():
    bpy.utils.unregister_class(ArmTraitListItem)
    bpy.utils.unregister_class(ArmTraitList)
    bpy.utils.unregister_class(ArmTraitListNewItem)
    bpy.utils.unregister_class(ArmTraitListDeleteItem)
    bpy.utils.unregister_class(ArmTraitListDeleteItemScene)
    bpy.utils.unregister_class(ArmTraitListMoveItem)
    bpy.utils.unregister_class(ArmEditScriptButton)
    bpy.utils.unregister_class(ArmEditBundledScriptButton)
    bpy.utils.unregister_class(ArmEditCanvasButton)
    bpy.utils.unregister_class(ArmNewScriptDialog)
    bpy.utils.unregister_class(ArmNewCanvasDialog)
    bpy.utils.unregister_class(ArmRefreshScriptsButton)
    bpy.utils.unregister_class(ArmRefreshCanvasListButton)
    bpy.utils.unregister_class(ArmTraitsPanel)
    bpy.utils.unregister_class(ArmSceneTraitsPanel)