# SPDX-License-Identifier: GPL-2.0-or-later

import importlib
import os

import bpy
from bpy.types import Operator

import vse_toolbox


from vse_toolbox.bl_utils import (get_addon_prefs, get_scene_settings)
from vse_toolbox.file_utils import (read_file, )



class VSETB_OT_reload_addon(Operator):
    bl_idname = "vse_toolbox.reload_addon"
    bl_options = {"UNDO"}
    bl_label = 'Reload VSE ToolBox Addon'
    bl_description = 'Reload The VSE ToolBox Addon'

    def execute(self, context):

        print('Execute reload')

        vse_toolbox.unregister()
        importlib.reload(vse_toolbox)
        vse_toolbox.register()

        return {'FINISHED'}


class VSETB_OT_load_settings(Operator):
    bl_idname = "vse_toolbox.load_settings"
    bl_options = {"UNDO"}
    bl_label = 'Load Settings'
    bl_description = 'Load VSE ToolBox settings from config file'

    def execute(self, context):
        prefs = get_addon_prefs()
        settings = get_scene_settings()
        project = settings.active_project

        if not prefs.config_path:
            return {'FINISHED'}

        addon_config = read_file(os.path.expandvars(prefs.config_path))

        addon_config['trackers'] = addon_config.get('trackers')
        trackers = addon_config.pop('trackers')
        
        addon_config['spreadsheet_export'] = addon_config.get('spreadsheet_export')
        spreadsheet_export_config = addon_config.pop('spreadsheet_export')

        project_name = addon_config.get('project_name')
        if project_name:
            settings.project_name = project_name

        # Project Properties
        for k, v in addon_config.items():
            try:
                setattr(project, k, v)
            except Exception:
                print(f'Could not set property {k} with value {v} to project {settings.project_name}')

        
        export_cells = project.spreadsheet_export.cells
        for k, v in spreadsheet_export_config.items():
            if k == 'cells':
                #project.spreadsheet.clear()

                for i, cell_data in enumerate(v):
                    if not 'name' in cell_data:
                        print(f'cell_data {cell_data} need to have a attribute name')
                        continue

                    cell = export_cells.get(cell_data['name'])

                    if not cell:
                        print(f"cell {cell_data['name']} not in spreadsheet")
                        continue

                    export_cells.move(list(export_cells).index(cell), i)

                    for prop_name in ('export_name', 'enabled'):
                        if prop_name in cell_data:
                            setattr(cell, prop_name, cell_data[prop_name])

            else:
                try:
                    setattr(project.spreadsheet_export, k, v)
                except Exception:
                    print(f'Could not set option {k} with value {v} to spreadsheet')

        return {'FINISHED'}


classes = (
    VSETB_OT_reload_addon,
    VSETB_OT_load_settings
)

def register(): 
    for cls in classes:
        bpy.utils.register_class(cls)

def unregister():
    for cls in reversed(classes):
        bpy.utils.unregister_class(cls)