from lnx.logicnode.lnx_nodes import *


class FloatArrayNode(LnxLogicVariableNodeMixin, LnxLogicTreeNode):
    """Stores an array of float elements as a variable."""
    bl_idname = 'LNArrayFloatNode'
    bl_label = 'Array Float'
    lnx_version = 3
    lnx_section = 'variable'
    min_inputs = 0

    def __init__(self):
        super(FloatArrayNode, self).__init__()
        self.register_id()

    def lnx_init(self, context):
        self.add_output('LnxNodeSocketArray', 'Array', is_var=True)
        self.add_output('LnxIntSocket', 'Length')

    def draw_content(self, context, layout):
        row = layout.row(align=True)

        op = row.operator('lnx.node_add_input', text='New', icon='PLUS', emboss=True)
        op.node_index = self.get_id_str()
        op.socket_type = 'LnxFloatSocket'
        column = row.column(align=True)
        op = column.operator('lnx.node_remove_input', text='', icon='X', emboss=True)
        op.node_index = self.get_id_str()
        if len(self.inputs) == self.min_inputs:
            column.enabled = False

    def draw_label(self) -> str:
        if len(self.inputs) == self.min_inputs:
            return super().draw_label()

        return f'{super().draw_label()} [{len(self.inputs)}]'

    def synchronize_from_master(self, master_node: LnxLogicVariableNodeMixin):
        self.inputs.clear()
        for i in range(len(master_node.inputs)):
            inp = self.add_input('LnxFloatSocket', master_node.inputs[i].name)
            inp.hide = self.lnx_logic_id != ''
            inp.enabled = self.lnx_logic_id == ''
            inp.default_value_raw = master_node.inputs[i].get_default_value()

    def get_replacement_node(self, node_tree: bpy.types.NodeTree):
        if self.lnx_version < 0 or self.lnx_version > 2:
            raise LookupError()

        newnode = node_tree.nodes.new(FloatArrayNode.bl_idname)
        for inp_old in self.inputs:
            inp_new = newnode.add_input('LnxFloatSocket', inp_old.name)
            inp_new.hide = self.lnx_logic_id != ''
            inp_new.enabled = self.lnx_logic_id != ''
            inp_new.default_value_raw = inp_old.get_default_value()
            NodeReplacement.replace_input_socket(node_tree, inp_old, inp_new)

        NodeReplacement.replace_output_socket(node_tree, self.outputs[0], newnode.outputs[0])
        NodeReplacement.replace_output_socket(node_tree, self.outputs[1], newnode.outputs[1])

        return newnode