import bpy
import bmesh
import operator
import string
from mathutils import Vector
from collections import defaultdict
from math import pi

from . import utilities_color

class op(bpy.types.Operator):
    bl_idname = "uv.textools_color_io_import"
    bl_label = "Import"
    bl_description = "Import hex colors from the clipboard as current color palette"

    @classmethod
    def poll(cls, context):
        

        #Only in UV editor mode
        if bpy.context.area.type != 'IMAGE_EDITOR':
            return False

        return True
    
    def execute(self, context):
        import_colors(self, context)
        return {'FINISHED'}



def import_colors(self, context):
    # Clipboard hex strings
    hex_strings = bpy.context.window_manager.clipboard.split(',')

    for i in range(len(hex_strings)):
        hex_strings[i] = hex_strings[i].strip().strip('#')
        if len(hex_strings[i]) != 6 or not all(c in string.hexdigits for c in hex_strings[i]):
            # Incorrect format
            self.report({'ERROR_INVALID_INPUT'}, "Incorrect hex format '{}' use a #RRGGBB pattern".format(hex_strings[i]))
            return
        else:
            name = "color_ID_color_{}".format(i)
            if hasattr(bpy.context.scene.texToolsSettings, name):
                # Color Index exists
                color = utilities_color.hex_to_color( hex_strings[i] )
                setattr(bpy.context.scene.texToolsSettings, name, color)
            else:
                # More colors imported than supported
                self.report({'ERROR_INVALID_INPUT'}, "Only {}x colors have been imported instead of {}x".format(
                    i,len(hex_strings)
                ))
                return
    
    # Set number of colors
    bpy.context.scene.texToolsSettings.color_ID_count = len(hex_strings)

    bpy.ops.ui.textools_popup('INVOKE_DEFAULT', message="{}x colors imported from clipboard".format( len(hex_strings) ))

bpy.utils.register_class(op)