from lnx.logicnode.lnx_nodes import *


class CreateTorrentNode(LnxLogicTreeNode):
    """Create Torrent"""
    bl_idname = 'LNCreateTorrentNode'
    bl_label = 'Create Torrent'
    bl_description = ('Build a .torrent from content (file, files or folder)')
    lnx_category = 'Leenkx'
    lnx_version = 1

    def __init__(self, *args, **kwargs):
        super(CreateTorrentNode, self).__init__(*args, **kwargs)
        array_nodes[str(id(self))] = self

    def update_sockets(self, context):
        if not self.inputs:
            return
        links = {}
        for socket in self.inputs:
            for link in socket.links:
                links.setdefault(socket.name, []).append(
                    (link.from_node, link.from_socket))
        for socket in self.inputs[1:]:
            self.inputs.remove(socket)
        self._add_data_inputs()
        tree = self.id_data
        for socket in self.inputs:
            if socket.name in links:
                for from_node, from_socket in links[socket.name]:
                    tree.links.new(from_socket, socket)

    def _add_data_inputs(self):
        mode_sockets = {
            'file': ('LnxDynamicSocket', 'File (Bytes)', 'Content of the single file as Bytes'),
            'files': ('LnxNodeSocketArray', 'Files ({path, data})', 'Array of {path, data} objects'),
            'folder': ('LnxStringSocket', 'Folder Path', 'Folder read recursively for content (native targets only)'),
        }
        socket_type, label, desc = mode_sockets.get(self.property1, mode_sockets['file'])
        self.add_input(socket_type, label)
        self.add_input('LnxStringSocket', 'Name')
        self.add_input('LnxStringSocket', 'Comment')
        self.add_input('LnxStringSocket', 'Created By')
        self.add_input('LnxStringSocket', 'Source')
        self.add_input('LnxNodeSocketArray', 'Trackers')
        self.add_input('LnxBoolSocket', 'Private')
        self.add_input('LnxIntSocket', 'Piece Length')
        self.add_input('LnxNodeSocketArray', 'Web Seeds')

    property0: HaxeEnumProperty('property0',
        items=[('1', 'V1', 'BitTorrent v1 - SHA-1 piece list over one packed stream; works with every client'),
               ('2', 'V2', 'BitTorrent v2 (BEP 52) - SHA-256 merkle tree per file, pieces aligned to file boundaries; needs modern peers'),
               ('3', 'Hybrid', 'One .torrent with both v1 and v2 metadata - two infohashes (btih + btmh) over the same info dict')],
        name='Version', default='1')

    property1: HaxeEnumProperty('property1',
        items=[('file', 'File', 'Single file: Data is a Bytes payload'),
               ('files', 'Files', 'Multiple files: Data is an array of {path, data}'),
               ('folder', 'Folder', 'Read a folder recursively (native targets only): Data is a folder path string')],
        name='Data', default='file', update=update_sockets)

    def lnx_init(self, context):
        self.add_input('LnxNodeSocketAction', 'In')
        self._add_data_inputs()

        self.add_output('LnxNodeSocketAction', 'Out')
        self.add_output('LnxDynamicSocket', 'Meta')
        self.add_output('LnxDynamicSocket', 'Torrent Bytes')
        self.add_output('LnxStringSocket', 'InfoHash')
        self.add_output('LnxStringSocket', 'Magnet')

    def draw_buttons(self, context, layout):
        layout.prop(self, 'property0')
        layout.prop(self, 'property1')


def register():
    add_category('Leenkx', icon='ORIENTATION_CURSOR')
    CreateTorrentNode.on_register()