import os
import shutil
import arm.assets as assets
import arm.utils
import bpy
import stat
import subprocess
import webbrowser
from bpy.types import Menu, Panel, UIList
from bpy.props import *

def remove_readonly(func, path, excinfo):
    os.chmod(path, stat.S_IWRITE)
    func(path)

def update_gapi_custom(self, context):
    bpy.data.worlds['Arm'].arm_recompile = True
    assets.invalidate_compiled_data(self, context)

def update_gapi_win(self, context):
    if os.path.isdir(arm.utils.get_fp_build() + '/windows-build'):
        shutil.rmtree(arm.utils.get_fp_build() + '/windows-build', onerror=remove_readonly)
    bpy.data.worlds['Arm'].arm_recompile = True
    assets.invalidate_compiled_data(self, context)

def update_gapi_linux(self, context):
    if os.path.isdir(arm.utils.get_fp_build() + '/linux-build'):
        shutil.rmtree(arm.utils.get_fp_build() + '/linux-build', onerror=remove_readonly)
    bpy.data.worlds['Arm'].arm_recompile = True
    assets.invalidate_compiled_data(self, context)

def update_gapi_mac(self, context):
    if os.path.isdir(arm.utils.get_fp_build() + '/osx-build'):
        shutil.rmtree(arm.utils.get_fp_build() + '/osx-build', onerror=remove_readonly)
    bpy.data.worlds['Arm'].arm_recompile = True
    assets.invalidate_compiled_data(self, context)

def update_gapi_android(self, context):
    if os.path.isdir(arm.utils.get_fp_build() + '/android-build'):
        shutil.rmtree(arm.utils.get_fp_build() + '/android-build', onerror=remove_readonly)
    bpy.data.worlds['Arm'].arm_recompile = True
    assets.invalidate_compiled_data(self, context)

def update_gapi_ios(self, context):
    if os.path.isdir(arm.utils.get_fp_build() + '/ios-build'):
        shutil.rmtree(arm.utils.get_fp_build() + '/ios-build', onerror=remove_readonly)
    bpy.data.worlds['Arm'].arm_recompile = True
    assets.invalidate_compiled_data(self, context)

def update_gapi_html5(self, context):
    bpy.data.worlds['Arm'].arm_recompile = True
    assets.invalidate_compiled_data(self, context)

class ArmExporterListItem(bpy.types.PropertyGroup):
    name = bpy.props.StringProperty(
           name="Name",
           description="A name for this item",
           default="Preset")

    arm_project_rp = bpy.props.StringProperty(
           name="Render Path",
           description="A name for this item",
           default="Path")

    arm_project_scene = StringProperty(name="Scene", description="Scene to load when launching")

    arm_project_target = EnumProperty(
        items = [('html5', 'HTML5 (JS)', 'html5'),
                 ('windows-hl', 'Windows (C)', 'windows-hl'),
                 ('krom-windows', 'Windows (Krom)', 'krom-windows'),
                 ('macos-hl', 'macOS (C)', 'macos-hl'),
                 ('krom-macos', 'macOS (Krom)', 'krom-macos'),
                 ('linux-hl', 'Linux (C)', 'linux-hl'),
                 ('krom-linux', 'Linux (Krom)', 'krom-linux'),
                 ('ios-hl', 'iOS (C)', 'ios-hl'),
                 ('android-native-hl', 'Android (C)', 'android-native-hl'),
                 ('node', 'Node (JS)', 'node'),
                 ('custom', 'Custom', 'custom'),],
        name="Target", default='html5', description='Build platform')

    arm_project_khamake = StringProperty(name="Khamake", description="Specify arguments for the 'node Kha/make' call")

    arm_gapi_custom = EnumProperty(
        items = [('opengl', 'OpenGL', 'opengl'),
                 ('vulkan', 'Vulkan', 'vulkan'),
                 ('direct3d11', 'Direct3D11', 'direct3d11'),
                 ('direct3d12', 'Direct3D12', 'direct3d12'),
                 ('metal', 'Metal', 'metal')],
        name="Graphics API", default='opengl', description='Based on currently selected target', update=update_gapi_custom)
    arm_gapi_win = EnumProperty(
        items = [('opengl', 'Auto', 'opengl'),
                 ('opengl', 'OpenGL', 'opengl'),
                 ('vulkan', 'Vulkan', 'vulkan'),
                 ('direct3d11', 'Direct3D11', 'direct3d11'),
                 ('direct3d12', 'Direct3D12', 'direct3d12')],
        name="Graphics API", default='opengl', description='Based on currently selected target', update=update_gapi_win)
    arm_gapi_linux = EnumProperty(
        items = [('opengl', 'Auto', 'opengl'),
                 ('opengl', 'OpenGL', 'opengl'),
                 ('vulkan', 'Vulkan', 'vulkan')],
        name="Graphics API", default='opengl', description='Based on currently selected target', update=update_gapi_linux)
    arm_gapi_android = EnumProperty(
        items = [('opengl', 'Auto', 'opengl'),
                 ('opengl', 'OpenGL', 'opengl'),
                 ('vulkan', 'Vulkan', 'vulkan')],
        name="Graphics API", default='opengl', description='Based on currently selected target', update=update_gapi_android)
    arm_gapi_mac = EnumProperty(
        items = [('opengl', 'Auto', 'opengl'),
                 ('opengl', 'OpenGL', 'opengl'),
                 ('metal', 'Metal', 'metal')],
        name="Graphics API", default='opengl', description='Based on currently selected target', update=update_gapi_mac)
    arm_gapi_ios = EnumProperty(
        items = [('opengl', 'Auto', 'opengl'),
                 ('opengl', 'OpenGL', 'opengl'),
                 ('metal', 'Metal', 'metal')],
        name="Graphics API", default='opengl', description='Based on currently selected target', update=update_gapi_ios)
    arm_gapi_html5 = EnumProperty(
        items = [('webgl', 'Auto', 'webgl'),
                 ('webgl', 'WebGL2', 'webgl')],
        name="Graphics API", default='webgl', description='Based on currently selected target', update=update_gapi_html5)

class ArmExporterList(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'}:
            row = layout.row()
            row.prop(item, "name", text="", emboss=False, icon=custom_icon)
            col = row.column()
            col.alignment = 'RIGHT'
            col.label(text=item.arm_project_target)

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

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

    def execute(self, context):
        mdata = bpy.data.worlds['Arm']
        mdata.arm_exporterlist.add()
        mdata.arm_exporterlist_index = len(mdata.arm_exporterlist) - 1
        if len(mdata.arm_rplist) > mdata.arm_exporterlist_index:
            mdata.arm_exporterlist[-1].arm_project_rp = mdata.arm_rplist[mdata.arm_rplist_index].name
        return{'FINISHED'}

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

    @classmethod
    def poll(self, context):
        """ Enable if there's something in the list """
        mdata = bpy.data.worlds['Arm']
        return len(mdata.arm_exporterlist) > 0

    def execute(self, context):
        mdata = bpy.data.worlds['Arm']
        list = mdata.arm_exporterlist
        index = mdata.arm_exporterlist_index

        list.remove(index)

        if index > 0:
            index = index - 1

        mdata.arm_exporterlist_index = index
        return{'FINISHED'}

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

    def move_index(self):
        # Move index of an item render queue while clamping it
        mdata = bpy.data.worlds['Arm']
        index = mdata.arm_exporterlist_index
        list_length = len(mdata.arm_exporterlist) - 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))
        mdata.arm_exporterlist.move(index, new_index)
        mdata.arm_exporterlist_index = new_index

    def execute(self, context):
        mdata = bpy.data.worlds['Arm']
        list = mdata.arm_exporterlist
        index = mdata.arm_exporterlist_index

        if self.direction == 'DOWN':
            neighbor = index + 1
            self.move_index()

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

class ArmExporterSpecialsMenu(bpy.types.Menu):
    bl_label = "More"
    bl_idname = "arm_exporterlist_specials"

    def draw(self, context):
        layout = self.layout
        layout.operator("arm.exporter_open_folder")
        layout.operator("arm.exporter_gpuprofile")

class ArmoryExporterOpenFolderButton(bpy.types.Operator):
    '''Open published folder'''
    bl_idname = 'arm.exporter_open_folder'
    bl_label = 'Open Folder'

    def execute(self, context):
        wrd = bpy.data.worlds['Arm']
        if len(wrd.arm_exporterlist) == 0:
            return {'CANCELLED'}
        item = wrd.arm_exporterlist[wrd.arm_exporterlist_index]
        p = os.path.join(arm.utils.get_fp_build(), item.arm_project_target)
        if os.path.exists(p):
            webbrowser.open('file://' + p)
        return{'FINISHED'}

class ArmExporterGpuProfileButton(bpy.types.Operator):
    '''GPU profile'''
    bl_idname = 'arm.exporter_gpuprofile'
    bl_label = 'Open in RenderDoc'

    def execute(self, context):
        p = arm.utils.get_renderdoc_path()
        if p == '':
            self.report({'ERROR'}, 'Configure RenderDoc path in Armory add-on preferences')
            return {'CANCELLED'}
        pbin = ''
        base = arm.utils.get_fp_build()
        ext1 =  '/krom-windows/' + arm.utils.safestr(bpy.data.worlds['Arm'].arm_project_name) + '.exe'
        ext2 =  '/krom-linux/' + arm.utils.safestr(bpy.data.worlds['Arm'].arm_project_name)
        if os.path.exists(base + ext1):
            pbin = base + ext1
        elif os.path.exists(base + ext2):
            pbin = base + ext2
        if pbin == '':
            self.report({'ERROR'}, 'Publish project using Krom target first')
            return {'CANCELLED'}
        subprocess.Popen([p, pbin])
        return{'FINISHED'}

def register():
    bpy.utils.register_class(ArmExporterListItem)
    bpy.utils.register_class(ArmExporterList)
    bpy.utils.register_class(ArmExporterListNewItem)
    bpy.utils.register_class(ArmExporterListDeleteItem)
    bpy.utils.register_class(ArmExporterListMoveItem)
    bpy.utils.register_class(ArmExporterSpecialsMenu)
    bpy.utils.register_class(ArmExporterGpuProfileButton)
    bpy.utils.register_class(ArmoryExporterOpenFolderButton)

    bpy.types.World.arm_exporterlist = bpy.props.CollectionProperty(type=ArmExporterListItem)
    bpy.types.World.arm_exporterlist_index = bpy.props.IntProperty(name="Index for my_list", default=0)

def unregister():
    bpy.utils.unregister_class(ArmExporterListItem)
    bpy.utils.unregister_class(ArmExporterList)
    bpy.utils.unregister_class(ArmExporterListNewItem)
    bpy.utils.unregister_class(ArmExporterListDeleteItem)
    bpy.utils.unregister_class(ArmExporterListMoveItem)
    bpy.utils.unregister_class(ArmExporterSpecialsMenu)
    bpy.utils.unregister_class(ArmExporterGpuProfileButton)
    bpy.utils.unregister_class(ArmoryExporterOpenFolderButton)