# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========

from functools import partial

from mirage.accessor.base import Accessor
from mirage.commands.builtin.generic.crossmount.utils import \
    transfer_primitives
from mirage.commands.builtin.generic.unzip import unzip_generic
from mirage.commands.builtin.generic_bind.adapter import (Builder, CommandIO,
                                                          Operation, bound_op)
from mirage.commands.config import CommandOpts
from mirage.io.types import ByteSource, IOResult
from mirage.types import PathSpec


async def unzip(ops: CommandIO, accessor: Accessor, paths: list[PathSpec],
                texts: list[str],
                opts: CommandOpts) -> tuple[ByteSource | None, IOResult]:
    if not ops.is_mounted(accessor) or not paths:
        raise ValueError("unzip: missing operand")
    resolved = await ops.resolve_glob(accessor, paths, opts.index)
    if opts.dispatch is not None:
        # Extraction writes wherever cwd or -d says, which need not be
        # this mount, so the doors are dispatch-relayed and each path
        # routes to the mount that owns it.
        prim = transfer_primitives(opts.dispatch)
        return await unzip_generic(resolved,
                                   list(texts),
                                   opts,
                                   prim["read_bytes"],
                                   prim["write"],
                                   prim["mkdir"],
                                   stat=prim["stat"],
                                   relay=True)
    return await unzip_generic(resolved, list(texts), opts,
                               bound_op(ops.read_bytes, accessor, opts.index),
                               partial(ops.require(Operation.WRITE), accessor),
                               partial(ops.require(Operation.MKDIR), accessor))


BUILDER = Builder('unzip',
                  unzip,
                  write=True,
                  requirements=frozenset({Operation.WRITE, Operation.MKDIR}))
