import bpy
from bpy.props import StringProperty
from bpy.types import PropertyGroup, UIList, Panel

class FMT_PT_Panel(Panel):
    """Find missing texture panel"""
    bl_label = "Find missing textures"
    bl_idname = "FMT_PT_Panel"
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "scene"

    bl_category = "FMT"
    bl_icon = "OUTLINER_OB_HAIR"

    def invoke(self, context, event):
        bpy.context.scene.fmt_search_bars.add()

    def draw(self, context):
        scene = context.scene
        layout = self.layout
        row = layout.row()
        row.label(text=f"Bad images list: ({len(scene.fmt_list)} images)", icon ="LIBRARY_DATA_BROKEN")
        row = layout.row()
        row.template_list("List_View", "", scene, "fmt_list", scene, "fmt_list_index")
        row = layout.row()
        row.prop(bpy.context.scene, "fmt_select_bad_obj",  text = "Select objects with bad textures")
        row = layout.row()

        row.scale_x = .3
        row.operator("texture.remove_image", text = 'Delete selected image', icon ="TRASH")
        row.scale_x = .7
        row.operator("texture.find_missing_textures", icon ="FILE_REFRESH")
        row = layout.row()
        if len(bpy.context.scene.fmt_list) > 0 and len(scene.fmt_search_bars) > 0:
            
            row.prop(bpy.context.scene, "fmt_extension_replace",  text = "Search for images with different extension")
            row = layout.row()
            for bar_index in range (len(scene.fmt_search_bars)):
                row = layout.row()
                row.prop(scene.fmt_search_bars[bar_index], "bars", text ="Search path")                
                row.operator("texture.bars", text = "", icon ="REMOVE").add = 'F'+ str(bar_index)                
            row.operator("texture.bars", text = "", icon ="ADD").add = 'T'
            row = layout.row()
            row.operator("texture.folder_find", text = "Find textures in this folders", icon ="VIEWZOOM")
            

class List_View(UIList):    
    def draw_item(self, context, layout, data, item, icon, active_data,
                  active_propname, index):
        custom_icon = 'OBJECT_DATAMODE'
        if self.layout_type in {'DEFAULT', 'COMPACT'}:
            path_scale = 0.7
            layout.scale_x = 1 - path_scale
            layout.label(text=item.img_name)
            layout.scale_x = path_scale
            if not bpy.data.images[item.img_name].has_data:
                layout.prop(bpy.data.images[item.img_name], "filepath", text = "",icon="LIBRARY_DATA_BROKEN")
            else:
                layout.prop(bpy.data.images[item.img_name], "filepath", text = "",icon="IMAGE_DATA")
            

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

class ListItem(PropertyGroup):
    """Group of properties representing an item in the list."""
    img_name: StringProperty(
           name="Name",
           description="Name of the image",
           default="Non")

class SearchBars(PropertyGroup):
    bars: StringProperty(
           name="Searching folder",
           subtype="DIR_PATH",
           description="Searching path for the images (folder and sub folders)",
           default="//")