from __future__ import annotations

import os

from contextlib import suppress
from pathlib import PurePath
from typing import TYPE_CHECKING, Union

from pykotor.extract.file import ResourceIdentifier
from pykotor.resource.formats.bwm import BWM, bytes_bwm, read_bwm
from pykotor.resource.formats.erf import ERF, bytes_erf, read_erf
from pykotor.resource.formats.gff import GFF, GFFContent, bytes_gff, read_gff
from pykotor.resource.formats.lip import LIP, bytes_lip, read_lip
from pykotor.resource.formats.ltr import LTR, bytes_ltr, read_ltr
from pykotor.resource.formats.lyt import LYT, bytes_lyt, read_lyt
from pykotor.resource.formats.mdl import MDL, bytes_mdl, read_mdl
from pykotor.resource.formats.ncs import NCS, bytes_ncs, read_ncs
from pykotor.resource.formats.rim import RIM, bytes_rim, read_rim
from pykotor.resource.formats.ssf import SSF, bytes_ssf, read_ssf
from pykotor.resource.formats.tlk import TLK, bytes_tlk, read_tlk
from pykotor.resource.formats.tpc import TPC, bytes_tpc, read_tpc
from pykotor.resource.formats.twoda import TwoDA, bytes_2da, read_2da
from pykotor.resource.formats.vis import VIS, bytes_vis, read_vis
from pykotor.resource.generics.are import ARE, dismantle_are
from pykotor.resource.generics.dlg import DLG, dismantle_dlg
from pykotor.resource.generics.git import GIT, dismantle_git
from pykotor.resource.generics.ifo import IFO, dismantle_ifo
from pykotor.resource.generics.jrl import JRL, dismantle_jrl
from pykotor.resource.generics.pth import PTH, dismantle_pth
from pykotor.resource.generics.utc import UTC, dismantle_utc
from pykotor.resource.generics.utd import UTD, dismantle_utd
from pykotor.resource.generics.ute import UTE, dismantle_ute
from pykotor.resource.generics.utm import UTM, dismantle_utm
from pykotor.resource.generics.utp import UTP, dismantle_utp
from pykotor.resource.generics.uts import UTS, dismantle_uts
from pykotor.resource.generics.utt import UTT, dismantle_utt
from pykotor.resource.generics.utw import UTW, dismantle_utw
from pykotor.resource.type import ResourceType

if TYPE_CHECKING:
    from pykotor.resource.type import SOURCE_TYPES


def read_resource(  # noqa: C901, PLR0911, PLR0912
    source: SOURCE_TYPES,
    resource_type: ResourceType | None = None,
) -> bytes:
    """Reads a resource from a source and returns it as bytes.

    This is a convenience method to make getting the resource's data easier.
    Can handle various formats (XML/CSV/JSON etc).

    Args:
    ----
        source: SOURCE_TYPES: The source of the resource
        resource_type: ResourceType | None: The type of the resource

    Returns:
    -------
        bytes: The resource data as bytes
    """
    source_path: os.PathLike | str | None = None
    with suppress(Exception):
        if isinstance(source, (os.PathLike, str)):
            source_path = source
            if not resource_type:
                _resname, resource_type = ResourceIdentifier.from_path(source).unpack()

    if not resource_type:
        return read_unknown_resource(source)

    try:  # try from extension/resource_type arg
        ext_obj = PurePath(resource_type.extension)
        resource_ext = ext_obj.stem.lower() if "." in ext_obj.name else ext_obj.suffix.lower()[1:]
        if resource_type.category == "Talk Tables":
            return bytes_tlk(read_tlk(source))
        if resource_type in {ResourceType.TGA, ResourceType.TPC}:
            return bytes_tpc(read_tpc(source))
        if resource_ext == "ssf":
            return bytes_ssf(read_ssf(source))
        if resource_ext == "2da":
            return bytes_2da(read_2da(source))
        if resource_ext == "lip":
            return bytes_lip(read_lip(source))
        if ResourceType.from_extension(resource_ext) in (ResourceType.ERF, ResourceType.MOD, ResourceType.SAV):
            return bytes_erf(read_erf(source))
        if resource_ext == "rim":
            return bytes_rim(read_rim(source))
        if resource_type.extension.upper() in GFFContent.__members__:
            return bytes_gff(read_gff(source))
        if resource_ext == "ncs":
            return bytes(bytes_ncs(read_ncs(source)))
        if resource_ext == "mdl":
            return bytes_mdl(read_mdl(source))
        if resource_ext == "vis":
            return bytes_vis(read_vis(source))
        if resource_ext == "lyt":
            return bytes_lyt(read_lyt(source))
        if resource_ext == "ltr":
            return bytes_ltr(read_ltr(source))
        if resource_type.category == "Walkmeshes":
            return bytes_bwm(read_bwm(source))
    except Exception as e:  # pylint: disable=W0718  # noqa: BLE001
        new_err = ValueError(f"Could not load resource '{source_path}' as resource type '{resource_type}")
        print((new_err.__class__.__name__, str(new_err)))
        raise new_err from e

    msg = f"Resource type {resource_type!r} is not supported by this library."
    raise ValueError(msg)


def read_unknown_resource(  # noqa: PLR0911
    source: SOURCE_TYPES,
) -> bytes:
    with suppress(OSError, ValueError):
        return bytes_tlk(read_tlk(source))
    with suppress(OSError, ValueError):
        return bytes_ssf(read_ssf(source))
    with suppress(OSError, ValueError):
        return bytes_2da(read_2da(source))
    with suppress(OSError, ValueError):
        return bytes_lip(read_lip(source))
    with suppress(OSError, ValueError):
        return bytes_tpc(read_tpc(source))
    with suppress(OSError, ValueError):
        return bytes_erf(read_erf(source))
    with suppress(OSError, ValueError):
        return bytes_rim(read_rim(source))
    with suppress(OSError, ValueError):
        return bytes(bytes_ncs(read_ncs(source)))
    with suppress(OSError, ValueError):
        return bytes_gff(read_gff(source))
    with suppress(OSError, ValueError):
        return bytes_mdl(read_mdl(source))
    with suppress(OSError, ValueError):
        return bytes_vis(read_vis(source))
    with suppress(OSError, ValueError):
        return bytes_lyt(read_lyt(source))
    with suppress(OSError, ValueError):
        return bytes_ltr(read_ltr(source))
    with suppress(OSError, ValueError):
        return bytes_bwm(read_bwm(source))
    msg = "Source resource data not recognized as any kotor file formats."
    raise ValueError(msg)


GFF_GENERICS = Union[ARE, DLG, GIT, IFO, JRL, PTH, UTC, UTD, UTE, UTM, UTP, UTS, UTW]


def dismantle_generic(  # noqa: PLR0911, C901, PLR0912, ANN201
    generic: GFF_GENERICS,
) -> GFF:
    """Returns a GFF object from a constructed obj.

    Args:
    ----
        generic: The constructed loaded object to deconstruct into GFF (e.g. DLG, PTH, IFO...)

    Returns:
    -------
        A deconstructed_gff
    """
    if isinstance(generic, ARE):
        return dismantle_are(generic)
    if isinstance(generic, DLG):
        return dismantle_dlg(generic)
    if isinstance(generic, GIT):
        return dismantle_git(generic)
    if isinstance(generic, IFO):
        return dismantle_ifo(generic)
    if isinstance(generic, JRL):
        return dismantle_jrl(generic)
    if isinstance(generic, PTH):
        return dismantle_pth(generic)
    if isinstance(generic, UTC):
        return dismantle_utc(generic)
    if isinstance(generic, UTD):
        return dismantle_utd(generic)
    if isinstance(generic, UTE):
        return dismantle_ute(generic)
    if isinstance(generic, UTM):
        return dismantle_utm(generic)
    if isinstance(generic, UTP):
        return dismantle_utp(generic)
    if isinstance(generic, UTS):
        return dismantle_uts(generic)
    if isinstance(generic, UTT):
        return dismantle_utt(generic)
    if isinstance(generic, UTW):
        return dismantle_utw(generic)
    if isinstance(generic, GFF):
        return generic  # Guess whoever called this didn't get the memo.
    raise TypeError(f"Could not dismantle generic, invalid object passed ({generic}) of type '{type(generic).__name__}' was unexpected.")


def resource_to_bytes(  # noqa: PLR0912, C901, PLR0911
    resource: BWM | ERF | GFF | LIP | LTR | LYT | MDL | NCS | RIM | SSF | TLK | TPC | TwoDA | VIS | GFF_GENERICS,
) -> bytes:
    if isinstance(resource, GFF_GENERICS):
        return bytes_gff(dismantle_generic(resource))
    if isinstance(resource, BWM):
        return bytes_bwm(resource)
    if isinstance(resource, GFF):
        return bytes_gff(resource)
    if isinstance(resource, ERF):
        return bytes_erf(resource)
    if isinstance(resource, LIP):
        return bytes_lip(resource)
    if isinstance(resource, LTR):
        return bytes_ltr(resource)
    if isinstance(resource, LYT):
        return bytes_lyt(resource)
    if isinstance(resource, MDL):
        return bytes_mdl(resource)
    if isinstance(resource, NCS):
        return bytes(bytes_ncs(resource))
    if isinstance(resource, RIM):
        return bytes_rim(resource)
    if isinstance(resource, SSF):
        return bytes_ssf(resource)
    if isinstance(resource, TLK):
        return bytes_tlk(resource)
    if isinstance(resource, TPC):
        return bytes_tpc(resource)
    if isinstance(resource, TwoDA):
        return bytes_2da(resource)
    if isinstance(resource, VIS):
        return bytes_vis(resource)
    raise TypeError(f"Invalid resource {resource} of type '{type(resource).__name__}' passed to `resource_to_bytes`.")
