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

from pathlib import Path

import bpy
from bpy.types import Panel, Menu
from bl_ui.utils import PresetPanel

from vse_toolbox.bl_utils import (get_addon_prefs, get_scene_settings, get_strip_settings)
from vse_toolbox.constants import ASSET_PREVIEWS, REVIEW_TEMPLATE_BLEND
from vse_toolbox.sequencer_utils import (set_active_strip, get_channel_name, get_strips)
from vse_toolbox.file_utils import norm_str


class VSETB_main:
    bl_space_type = "SEQUENCE_EDITOR"
    bl_region_type = "UI"
    bl_category = "VSE ToolBox"
    bl_label = "VSE ToolBox"


class VSETB_PT_main(VSETB_main, Panel):
    bl_options = {"HIDE_HEADER"}

    # def draw_header(self, context):
    #     settings = get_scene_settings()
    #     prefs = get_addon_prefs()

    #     row = self.layout.row(align=True)
    #     row.label('VSE Toolbox')

    #     row.prop(settings, 'project_name', text='')
        
    #     project = settings.active_project

    #     if project and project.type == 'TVSHOW':
    #         row.prop(project, 'episode_name', text='')

    #     row.operator('vse_toolbox.load_projects', icon='FILE_REFRESH', text='', emboss=False)

    def draw(self, context):
        layout = self.layout
        wm = context.window_manager
        scn = context.scene
        settings = get_scene_settings()
        prefs = get_addon_prefs()

        row = layout.row(align=True)

        row.operator('vse_toolbox.load_projects', icon='FILE_REFRESH', text='', emboss=False)
        row.separator(factor=0.5)
        row.prop(settings, 'project_name', text='')
        
        project = settings.active_project

        if not project:
            return

        if project and project.type == 'TVSHOW':
            row.separator(factor=0.5)
            row.prop(project, 'episode_name', text='')
        
        row.separator(factor=0.5)
        row.prop(project, "show_settings", icon="PREFERENCES", text='')
        if project.show_settings:
            box = layout.box()
            split = box.split(factor=0.3)
            name_col = split.column()
            template_col = split.column()

            row = name_col.row(align=True)  # Padding
            row.separator(factor=0.5)
            row.label(text="Name")

            row = template_col.row(align=True)  # Padding
            row.separator(factor=0.5)
            row.label(text="Template")

            row.operator("vse_toolbox.add_template", text="", icon='ADD', emboss=False)

            for i, template in enumerate(project.templates):
                row = name_col.row()
                row.prop(template, "name", text="")

                row = template_col.row(align=True)
                subrow = row.row()
                subrow.prop(template, "value", text="")
                row.separator(factor=0.25)
                row.operator("vse_toolbox.remove_template", text="", icon='REMOVE', emboss=False).index = i


        # settings = get_scene_settings()
        # prefs = get_addon_prefs()
        
        # project = settings.active_project

        # layout = self.layout
        # col = layout.column()

        # col.prop(settings, 'project_name', text='Project')

        # if project:
        #     if project.type == 'TVSHOW':
        #         col.prop(project, 'episode_name', text='Episodes')

        #col.separator()

        #row = col.row(align=True)
        
        #row.prop(settings, 'toogle_prefs', text='', icon='PREFERENCES', toggle=True)
        
        '''
        if settings.toogle_prefs:
            box = col.box()
            col = box.column(align=True)
            col.use_property_split = True
            col.use_property_decorate = False
            
            col.prop(settings, 'project_name', text='Projects')

            if project:
                if project.type == 'TV Shows':
                    col.prop(project, 'episode_name', text='Episodes')
                
                #col.prop(project, 'sequence_template')
                #col.prop(project, 'shot_template')
                # col.separator()
                # col.operator('vse_toolbox.new_episode', text='Add Episode', icon='IMPORT')
        '''

        # Rename

class VSETB_PT_strip(Panel):
    bl_space_type = "SEQUENCE_EDITOR"
    bl_region_type = "UI"
    bl_category = "Strip"
    bl_label = "VSE ToolBox"
    #bl_order = 0

    @classmethod
    def poll(cls, context):
        strip = context.active_sequence_strip
        return strip and get_channel_name(strip) == 'Shots'

    def draw(self, context):
        prefs = get_addon_prefs()
        layout = self.layout
        settings = get_strip_settings()

        layout.use_property_split = True
        layout.use_property_decorate = False

        layout.prop(settings, 'source_name', text='Source Name')
                     

class VSETB_PT_sequencer(VSETB_main, Panel):
    bl_label = "Sequencer"
    #bl_parent_id = "VSETB_PT_main"
    
    def draw_header_preset(self, context):
        settings = get_scene_settings()

        audio_strips = [s for s in get_strips('Audio') if s.type == "SOUND"]

        depress = any(s.show_waveform for s in audio_strips)
        self.layout.operator('vse_toolbox.show_waveform', text="", icon="IPO_ELASTIC", depress=depress).enabled = not depress

        ico = ("RESTRICT_SELECT_OFF" if settings.auto_select_strip else "RESTRICT_SELECT_ON")
        self.layout.prop(settings, "auto_select_strip", text="", icon=ico)

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

        strip = context.active_sequence_strip
        channel = get_channel_name(strip)

        col = layout.column()
        col.operator('vse_toolbox.set_sequencer', text='Set-Up Sequencer', icon='SEQ_SEQUENCER')
        col.operator('vse_toolbox.strips_rename', text=f'Rename {channel}', icon='SORTALPHA')
        col.operator('vse_toolbox.set_stamps', text='Set Stamps', icon='COLOR')
        col.operator("vse_toolbox.collect_files", text='Collect Files', icon='PACKAGE')


class VSETB_PT_settings(VSETB_main, Panel):
    bl_label = "Settings"
    #bl_parent_id = "VSETB_PT_main"
    bl_options = {'DEFAULT_CLOSED'}
    
    #def draw_header_preset(self, context):
    #    self.layout.operator('vse_toolbox.import_files', icon='IMPORT', text='', emboss=False)

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

        col = layout.column()
        #row = col.row(align=True)
        col.prop(project, 'sequence_template')
        col.prop(project, 'shot_template')
        col.prop(project, 'render_template')


class VSETB_PT_imports(VSETB_main, Panel):
    bl_label = "Imports"
    #bl_parent_id = "VSETB_PT_main"
    #bl_options = {'DEFAULT_CLOSED'}
    
    def draw_header_preset(self, context):
        self.layout.operator('vse_toolbox.import_files', icon='IMPORT', text='', emboss=False)

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

        col = layout.column()
        #row = col.row(align=True)
        #col.operator('vse_toolbox.import_files', text='Import', icon='IMPORT')
        col.operator('vse_toolbox.import_spreadsheet', text='Import Spreadsheet', icon='SPREADSHEET')
        col.operator("vse_toolbox.import_shots", text='Import Shots', icon="FILE_MOVIE")


class VSETB_PT_presets(PresetPanel, Panel):
    bl_label = 'Spreadsheet Presets'
    preset_subdir = 'vse_toolbox'
    preset_operator = 'script.execute_preset'
    preset_add_operator = "vse_toolbox.add_spreadsheet_preset"


class VSETB_PT_exports(VSETB_main, Panel):
    bl_label = "Exports"
    #bl_parent_id = "VSETB_PT_main"
    bl_options = {'DEFAULT_CLOSED'}
    
    def draw_header_preset(self, context):
        self.layout.operator('vse_toolbox.export_spreadsheet', icon='EXPORT', text='', emboss=False)

    def draw(self, context):
        prefs = get_addon_prefs()
        layout = self.layout
        settings = get_scene_settings()
        project = settings.active_project
        col = layout.column(align=False)

        # TODO FAIRE DES VRAIS OPS
        col.operator('vse_toolbox.strips_render', text='Render Strips', icon='SEQUENCE')

        tracker_label = settings.tracker_name.title().replace('_', ' ')
        col.operator('vse_toolbox.upload_to_tracker', text=f'Upload to {tracker_label}', icon='EXPORT')
        col.operator('vse_toolbox.export_spreadsheet', text='Export Spreadsheet', icon='SPREADSHEET')
        col.operator('vse_toolbox.export_edl', text='Export edl', icon='SEQ_SEQUENCER')


class VSETB_PT_tracker(VSETB_main, Panel):
    bl_label = "Tracker"
    #bl_parent_id = "VSETB_PT_main"
    bl_options = {'DEFAULT_CLOSED'}

    @classmethod
    def poll(cls, context):
        return context.active_sequence_strip

    def draw_header_preset(self, context):
        active_strip = context.active_sequence_strip
        self.layout.label(text=active_strip.name)

    def draw(self, context):
        return

class VSETB_PT_casting(VSETB_main, Panel):
    bl_label = "Casting"
    bl_parent_id = "VSETB_PT_tracker"
    bl_options = {'DEFAULT_CLOSED'}

    @classmethod
    def poll(cls, context):
        strip = context.active_sequence_strip
        return strip and get_channel_name(strip) == 'Shots'

    def draw(self, context):
        layout = self.layout
        
        settings = get_scene_settings()
        strip_settings = get_strip_settings()

        project = settings.active_project

        if not project:
            return

        if not project.assets:
            row = layout.row(align=True)
            row.label(text='No Assets in this Project')
        else:

            row = layout.row()
            col = row.column()
            col.template_list("VSETB_UL_casting", "shot_casting", strip_settings, "casting", strip_settings, "casting_index", rows=6)
                                
            col_tool = row.column(align=True)
            col_tool.operator('vse_toolbox.casting_add', icon='ADD', text="")
            col_tool.operator('vse_toolbox.casting_remove', icon='REMOVE', text="")
            col_tool.separator()
            col_tool.operator('vse_toolbox.casting_move', icon='TRIA_UP', text="").direction = 'UP'
            col_tool.operator('vse_toolbox.casting_move', icon='TRIA_DOWN', text="").direction = 'DOWN'
            col_tool.separator()
            col_tool.operator('vse_toolbox.copy_casting', icon='COPYDOWN', text="")
            col_tool.operator('vse_toolbox.paste_casting', icon='PASTEDOWN', text="")
            col_tool.separator()

            col_tool.operator('vse_toolbox.casting_replace', icon='ZOOM_ALL', text="")

            if strip_settings.casting:
                casting_item = strip_settings.casting[strip_settings.casting_index]
                asset = casting_item.asset
                if asset:        
                    if asset.icon_id:
                        row = col.row(align=True)
                        #row.scale_y = 0.5
                        #     box = col.box()
                        #     box.template_icon(icon_value=ico.icon_id, scale=7.5)

                        row.template_icon_view(asset, "previews", show_labels=False)


class VSETB_PT_metadata(VSETB_main, Panel):
    bl_label = "Shot Metadata"
    bl_parent_id = "VSETB_PT_tracker"
    bl_options = {'DEFAULT_CLOSED'}

    @classmethod
    def poll(cls, context):
        return context.active_sequence_strip and get_scene_settings().active_project

    def draw(self, context):
        
        strip_settings = get_strip_settings()
        project = get_scene_settings().active_project

        layout = self.layout
        row = layout.row(align=True)
        label_col = row.column(align=True)
        label_col.alignment = 'RIGHT'
        field_col = row.column(align=True)

        for metadata_type in project.metadata_types:
            if metadata_type.entity_type != 'SHOT':
                continue
            
            metadata_key = metadata_type.field_name
            metadata_label = metadata_key.title()

            label_col.label(text=metadata_label)
            field_row = field_col.row(align=True)
            field_row.separator()

            if metadata_type.choices:
                metadata_value = getattr(strip_settings.metadata, metadata_key)
                icon = 'LAYER_USED'
                if metadata_value:
                    if metadata_value in metadata_type.choices:
                        icon = 'DOT'
                    else:
                        icon = 'ADD'

                field_row.prop_search(strip_settings.metadata, metadata_key, metadata_type, 'choices', 
                    results_are_suggestions=True, icon=icon, text='')
                
            else:
                field_row.prop(strip_settings.metadata, metadata_key, text='')


class VSETB_PT_comments(VSETB_main, Panel):
    bl_label = "Comments"
    bl_parent_id = "VSETB_PT_tracker"
    bl_options = {'DEFAULT_CLOSED'}

    @classmethod
    def poll(cls, context):
        return context.active_sequence_strip and get_scene_settings().active_project

    def draw(self, context):
        layout = self.layout

        row = layout.row(align=True)
        label_col = row.column(align=True)
        label_col.alignment = 'RIGHT'
        field_col = row.column(align=True)
        
        strip_settings = get_strip_settings()
        project = get_scene_settings().active_project

        
        for task_type in project.task_types:

            norm_task_name = norm_str(task_type.name)
            
            if not hasattr(strip_settings.tasks, norm_task_name):
                continue

            label_col.label(text=task_type.name)

            row = field_col.row(align=True)
            row.separator()
            sub = row.row(align=True)
            sub.alignment = 'LEFT'
            sub.scale_x = 0.15

            sub.prop(task_type, 'color', text='')
            sub.enabled = False

            row.prop(getattr(strip_settings.tasks, norm_task_name), 'comment', text='')


def context_menu_prop(self, context):
    if not hasattr(context, 'button_prop') or context.space_data.type != 'SEQUENCE_EDITOR':
        return
    
    settings = get_strip_settings()
    if not settings:
        return

    button_prop = context.button_prop
    if button_prop not in settings.metadata.bl_rna.properties.values():
        return
    
    layout = self.layout
    layout.separator()
    layout.operator('vse_toolbox.copy_metadata', icon='PASTEDOWN', text='Copy metadata to selected').metadata = button_prop.name


class VSETB_MT_main_menu(Menu):
    bl_label = "Vse Toolbox"

    def draw(self, context):
        layout = self.layout

        op = layout.operator('workspace.append_activate', text='Set Review Workspace', icon="WORKSPACE")
        op.idname = 'Review'
        op.filepath = str(REVIEW_TEMPLATE_BLEND)

        layout.operator("wm.split_view", icon="ARROW_LEFTRIGHT")
        layout.separator()
        layout.operator('vse_toolbox.update_media', text='Update Media', icon='FILE_REFRESH')
        layout.operator('vse_toolbox.open_shot_on_tracker', text='Open Shot on Tracker', icon='URL')
        layout.operator('vse_toolbox.open_strip_folder', text='Open Strip Folder', icon='FILE_FOLDER')
        layout.separator()
        layout.operator('vse_toolbox.insert_channel', text='Insert Channel', icon='TRIA_UP_BAR')
        layout.operator('vse_toolbox.remove_channel', text='Remove Channel', icon='TRIA_DOWN_BAR')
        layout.separator()
        layout.operator('vse_toolbox.merge_shot_strips', text='Merge Shots')
        layout.operator('vse_toolbox.scene_cut_detection', text='Scene Cut Detection', icon='SCULPTMODE_HLT')

def draw_vse_toolbox_menu(self, context):
    self.layout.menu("VSETB_MT_main_menu")
    

def draw_file_new(self, context):
    self.layout.separator()
    op = self.layout.operator('wm.read_homefile', text="Review")
    op.filepath = str(REVIEW_TEMPLATE_BLEND)
    op.load_ui = True


classes = (
    VSETB_PT_main,
    VSETB_PT_imports,
    VSETB_PT_sequencer,
    VSETB_PT_tracker,
    VSETB_PT_casting,
    VSETB_PT_metadata,
    VSETB_PT_comments,
    VSETB_PT_presets,
    VSETB_PT_exports,
    VSETB_PT_strip,
    VSETB_MT_main_menu
)

def register(): 
    for cls in classes:
        bpy.utils.register_class(cls)
    
    bpy.types.UI_MT_button_context_menu.append(context_menu_prop)
    bpy.types.SEQUENCER_MT_editor_menus.append(draw_vse_toolbox_menu)

    bpy.types.TOPBAR_MT_file_new.append(draw_file_new)

def unregister():
    for cls in reversed(classes):
        bpy.utils.unregister_class(cls)
    
    bpy.types.UI_MT_button_context_menu.remove(context_menu_prop)
    bpy.types.SEQUENCER_MT_editor_menus.remove(draw_vse_toolbox_menu)

    bpy.types.TOPBAR_MT_file_new.remove(draw_file_new)